All Stories

  1. A pulse check for trends in sea turtle numbers across the globe

    Article • iScience, March 2024, Elsevier

    Professor Graeme C Hays

  2. Remote submerged banks and mesophotic ecosystems can provide key habitat for endangered marine megafauna

    Article • Science Advances, February 2024, American Association for the Advancement of Science

    Professor Graeme C Hays

  3. Individual variation in home‐range across an ocean basin and links to habitat quality and management

    Article • Journal of Applied Ecology, February 2024, Wiley

    Professor Graeme C Hays

  4. Nest site selection in sea turtles shows consistencies across the globe in the face of climate change

    Article • Animal Behaviour, February 2024, Elsevier

    Professor Graeme C Hays

  5. Key issues in assessing threats to sea turtles: knowledge gaps and future directions

    Article • Endangered Species Research, December 2023, Inter-Research Science Center

    Professor Graeme C Hays

  6. Predation of sea turtle eggs by rats and crabs

    Article • Marine Biology, November 2023, Springer Science + Business Media

    Professor Graeme C Hays

  7. Marine turtle regional management units 2.0: an updated framework for conservation and research of wide-ranging megafauna species

    Article • Endangered Species Research, November 2023, Inter-Research Science Center

    Professor Graeme C Hays

  8. Climate warming and sea turtle sex ratios across the globe

    Article • Global Change Biology, November 2023, Wiley

    Professor Graeme C Hays

  9. Short‐term resilience to climate‐induced temperature increases for equatorial sea turtle populations

    Article • Global Change Biology, October 2023, Wiley

    Professor Graeme C Hays

  10. A review of the importance of south-east Australian waters as a global hotspot for leatherback turtle foraging and entanglement threat in fisheries

    Article • Marine Biology, May 2023, Springer Science + Business Media

    Professor Graeme C Hays

  11. High dive efficiency in shallow water

    Article • Marine Biology, March 2023, Springer Science + Business Media

    Professor Graeme C Hays

  12. Synergistic use of UAV surveys, satellite tracking data, and mark‐recapture to estimate abundance of elusive species

    Article • Ecosphere, March 2023, Wiley

    Professor Graeme C Hays

  13. Can a present-day thermal niche be preserved in a warming climate by a shift in phenology? A case study with sea turtles

    Article • Royal Society Open Science, February 2023, Royal Society Publishing

    Professor Graeme C Hays

  14. Evidence of adult male scarcity associated with female-skewed offspring sex ratios in sea turtles

    Article • Current Biology, January 2023, Elsevier

    Professor Graeme C Hays

  15. Operational sex ratio estimated from drone surveys for a species threatened by climate warming

    Article • Marine Biology, November 2022, Springer Science + Business Media

    Professor Graeme C Hays

  16. Long-term changes in adult size of green turtles at Aldabra Atoll and implications for clutch size, sexual dimorphism and growth rates

    Article • Marine Biology, September 2022, Springer Science + Business Media

    Professor Graeme C Hays

  17. Changes in mean body size in an expanding population of a threatened species

    Article • Proceedings of the Royal Society B Biological Sciences, June 2022, Royal Society Publishing

    Professor Graeme C Hays

  18. Travel routes to remote ocean targets reveal the map sense resolution for a marine migrant

    Article • Journal of The Royal Society Interface, May 2022, Royal Society Publishing

    Professor Graeme C Hays

  19. High accuracy tracking reveals how small conservation areas can protect marine megafauna

    Article • Ecological Applications, August 2021, Wiley

    Professor Graeme C Hays

  20. Impact of marine heatwaves for sea turtle nest temperatures

    Article • Biology Letters, May 2021, Royal Society Publishing

    Professor Graeme C Hays

  21. A standardisation framework for bio‐logging data to advance ecological research and conservation

    Article • Methods in Ecology and Evolution, April 2021, Wiley

    Professor Graeme C Hays

  22. Extreme rainfall events and cooling of sea turtle clutches: Implications in the face of climate warming

    Article • Ecology and Evolution, December 2020, Wiley

    Professor Graeme C Hays

  23. A global review of green turtle diet: sea surface temperature as a potential driver of omnivory levels

    Article • Marine Biology, November 2020, Springer Science + Business Media

    Professor Graeme C Hays

  24. A review of a decade of lessons from one of the world’s largest MPAs: conservation gains and key challenges

    Article • Marine Biology, October 2020, Springer Science + Business Media

    Professor Graeme C Hays

  25. Open Ocean Reorientation and Challenges of Island Finding by Sea Turtles during Long-Distance Migration

    Article • Current Biology, August 2020, Elsevier

    Professor Graeme C Hays

  26. Production of male hatchlings at a remote South Pacific green sea turtle rookery: conservation implications in a female-dominated world

    Article • Marine Biology, May 2020, Springer Science + Business Media

    Professor Graeme C Hays

  27. Estimates of marine turtle nesting populations in the south-west Indian Ocean indicate the importance of the Chagos Archipelago

    Article • Oryx, February 2020, Cambridge University Press

    Professor Graeme C Hays

  28. Conservation importance of previously undescribed abundance trends: increase in loggerhead turtle numbers nesting on an Atlantic island

    Article • Oryx, September 2019, Cambridge University Press

    Professor Graeme C Hays

  29. Ocean currents and marine life

    Article • Current Biology, June 2017, Elsevier

    Professor Graeme C Hays

  30. How numbers of nesting sea turtles can be overestimated by nearly a factor of two

    Article • Proceedings of the Royal Society B Biological Sciences, February 2017, Royal Society Publishing

    Professor Graeme C Hays

  31. Mismatch between marine plankton range movements and the velocity of climate change

    Article • Nature Communications, February 2017, Springer Science + Business Media

    Professor Graeme C Hays

  32. Population viability at extreme sex-ratio skews produced by temperature-dependent sex determination

    Article • Proceedings of the Royal Society B Biological Sciences, February 2017, Royal Society Publishing

    Professor Graeme C Hays

  33. A Review of Patterns of Multiple Paternity Across Sea Turtle Rookeries

    Article • January 2017, Elsevier

    Professor Graeme C Hays

  34. Are we working towards global research priorities for management and conservation of sea turtles?

    Article • Endangered Species Research, December 2016, Inter-Research Science Center

    Professor Graeme C Hays

  35. Using climatic suitability thresholds to identify past, present and future population viability

    Article • Ecological Indicators, December 2016, Elsevier

    Professor Graeme C Hays

  36. Diel and seasonal patterns in activity and home range size of green turtles on their foraging grounds revealed by extended Fastloc-GPS tracking

    Article • Marine Biology, November 2016, Springer Science + Business Media

    Professor Graeme C Hays

  37. Spatial variation in directional swimming enables juvenile sea turtles to reach and remain in productive waters

    Article • Marine Ecology Progress Series, September 2016, Inter-Research Science Center

    Professor Graeme C Hays

  38. Are vertical migrations driven by circadian behaviour? Decoupling of activity and depth use in a large riverine elasmobranch, the freshwater sawfish (Pristis pristis)

    Article • Hydrobiologia, August 2016, Springer Science + Business Media

    Professor Graeme C Hays

  39. Key Questions in Marine Megafauna Movement Ecology

    Article • Trends in Ecology & Evolution, June 2016, Elsevier

    Dr. DIRCEU COSTA, Professor Graeme C Hays

  40. Male hatchling production in sea turtles from one of the world’s largest marine protected areas, the Chagos Archipelago

    Article • Scientific Reports, February 2016, Springer Science + Business Media

    Professor Graeme C Hays

  41. Sand temperatures for nesting sea turtles in the Caribbean: Implications for hatchling sex ratios in the face of climate change

    Article • Journal of Experimental Marine Biology and Ecology, January 2016, Elsevier

    Professor Graeme C Hays

  42. Predators help protect carbon stocks in blue carbon ecosystems

    Article • Nature Climate Change, September 2015, Springer Science + Business Media

    Professor Graeme C Hays

  43. Quantifying wildlife-watching ecotourism intensity on an endangered marine vertebrate

    Article • Animal Conservation, April 2015, Wiley

    Dr Gail Schofield, Professor Graeme C Hays

  44. New insights: animal‐borne cameras and accelerometers reveal the secret lives of cryptic species

    Article • Journal of Animal Ecology, April 2015, Wiley

    Professor Graeme C Hays

  45. Current-Oriented Swimming by Jellyfish and Its Role in Bloom Maintenance

    Article • Current Biology, February 2015, Elsevier

    Professor Graeme C Hays

  46. The accuracy of Fastloc‐GPS locations and implications for animal tracking

    Article • Methods in Ecology and Evolution, November 2014, Wiley

    Professor Graeme C Hays

  47. Ontogeny of long distance migration

    Article • Ecology, October 2014, Wiley

    Professor Graeme C Hays

  48. Different male vs. female breeding periodicity helps mitigate offspring sex ratio skews in sea turtles

    Article • Frontiers in Marine Science, September 2014, Frontiers

    Professor Graeme C Hays, Dr Gail Schofield

  49. Ecosystem relevance of variable jellyfish biomass in the Irish Sea between years, regions and water types

    Article • Estuarine Coastal and Shelf Science, August 2014, Elsevier

    Professor Graeme C Hays

  50. Use of Long-Distance Migration Patterns of an Endangered Species to Inform Conservation Planning for the World's Largest Marine Protected Area

    Article • Conservation Biology, July 2014, Wiley

    Professor Graeme C Hays

  51. Migrations of Green Turtles (Chelonia mydas) between Nesting and Foraging Grounds across the Coral Sea

    Article • PLoS ONE, June 2014, PLOS

    Professor Graeme C Hays

  52. Population-level perspectives on global change: genetic and demographic analyses indicate various scales, timing, and causes of scyphozoan jellyfish blooms

    Article • Biological Invasions, June 2014, Springer Science + Business Media

    Professor Graeme C Hays

  53. Effects of rising temperature on the viability of an important sea turtle rookery

    Article • Nature Climate Change, May 2014, Springer Science + Business Media

    Professor Graeme C Hays

  54. Protected species use of a coastal marine migratory corridor connecting marine protected areas

    Article • Marine Biology, April 2014, Springer Science + Business Media

    Professor Graeme C Hays, Dr Gail Schofield

  55. Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries

    Article • Proceedings of the Royal Society B Biological Sciences, February 2014, Royal Society Publishing

    Prof Brendan John Godley, Dr Matthew Witt, Professor Graeme C Hays

  56. Charismatic marine mega-fauna: Some recent discoveries and future challenges

    Article • Journal of Experimental Marine Biology and Ecology, January 2014, Elsevier

    Professor Graeme C Hays

  57. Tracking animals to their death

    Article • Journal of Animal Ecology, December 2013, Wiley

    Professor Graeme C Hays

  58. Route optimisation and solving Zermelo's navigation problem during long distance migration in cross flows

    Article • Ecology Letters, December 2013, Wiley

    Professor Graeme C Hays, Dr Gail Schofield

  59. The Lévy flight foraging hypothesis in a pelagic seabird

    Article • Journal of Animal Ecology, November 2013, Wiley

    Professor Graeme C Hays

  60. Multi-decadal range changes vs. thermal adaptation for north east Atlantic oceanic copepods in the face of climate change

    Article • Global Change Biology, October 2013, Wiley

    Professor Graeme C Hays

  61. Ecological and Societal Benefits of Jellyfish

    Article • September 2013, Springer Science + Business Media

    Professor Graeme C Hays

  62. Evidence-based marine protected area planning for a highly mobile endangered marine vertebrate

    Article • Biological Conservation, May 2013, Elsevier

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  63. Satellite tracking large numbers of individuals to infer population level dispersal and core areas for the protection of an endangered species

    Article • Diversity and Distributions, March 2013, Wiley

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  64. Since turtles cannot talk: what beak movement sensors can tell us about the feeding ecology of neritic loggerhead turtles, Caretta caretta

    Article • Marine Ecology, March 2013, Wiley

    Professor Graeme C Hays

  65. Global patterns for upper ceilings on migration distance in sea turtles and comparisons with fish, birds and mammals

    Article • Functional Ecology, February 2013, Wiley

    Professor Graeme C Hays

  66. Animal Navigation: Salmon Track Magnetic Variation

    Article • Current Biology, February 2013, Elsevier

    Professor Graeme C Hays

  67. Identification of genetically and oceanographically distinct blooms of jellyfish

    Article • Journal of The Royal Society Interface, January 2013, Royal Society Publishing

    Professor Graeme C Hays

  68. Publishing the best original research in animal ecology: looking forward from 2013

    Article • Journal of Animal Ecology, January 2013, Wiley

    Professor Graeme C Hays

  69. Identification of 100 fundamental ecological questions

    Article • Journal of Ecology, December 2012, Wiley

    Matt Keeling, Albert Phillimore, Professor Graeme C Hays

  70. Orientation of migrating leatherback turtles in relation to ocean currents

    Article • Animal Behaviour, December 2012, Elsevier

    Professor Graeme C Hays

  71. Phenological response of sea turtles to environmental variation across a species' northern range

    Article • Proceedings of the Royal Society B Biological Sciences, November 2012, Royal Society Publishing

    Professor Graeme C Hays

  72. Natal site and offshore swimming influence fitness and long-distance ocean transport in young sea turtles

    Article • Marine Biology, July 2012, Springer Science + Business Media

    Professor Graeme C Hays

  73. A biologist’s guide to assessing ocean currents: a review

    Article • Marine Ecology Progress Series, June 2012, Inter-Research Science Center

    Professor Graeme C Hays

  74. Movement Patterns for a Critically Endangered Species, the Leatherback Turtle (Dermochelys coriacea), Linked to Foraging Success and Population Status

    Article • PLoS ONE, May 2012, PLOS

    Professor Graeme C Hays

  75. Review of climate change impacts on marine aquaculture in the UK and Ireland

    Article • Aquatic Conservation Marine and Freshwater Ecosystems, May 2012, Wiley

    Professor Graeme C Hays, Professor Kevin J Flynn

  76. Dive performance in a small-bodied, semi-aquatic mammal in the wild

    Article • Journal of Mammalogy, February 2012, Oxford University Press (OUP)

    Professor Graeme C Hays

  77. Changes in marine dinoflagellate and diatom abundance under climate change

    Article • Nature Climate Change, February 2012, Springer Science + Business Media

    Professor Graeme C Hays

  78. Lost at sea: genetic, oceanographic and meteorological evidence for storm-forced dispersal

    Article • Journal of The Royal Society Interface, February 2012, Royal Society Publishing

    Professor Graeme C Hays

  79. Acceleration data reveal the energy management strategy of a marine ectotherm during reproduction

    Article • Functional Ecology, January 2012, Wiley

    Professor Graeme C Hays, Dr Gail Schofield

  80. Does prey size matter? Novel observations of feeding in the leatherback turtle (Dermochelys coriacea) allow a test of predator-prey size relationships

    Article • Proceedings of the Royal Society B Biological Sciences, November 2011, Royal Society Publishing

    Professor Graeme C Hays

  81. A little movement orientated to the geomagnetic field makes a big difference in strong flows

    Article • Marine Biology, November 2011, Springer Science + Business Media

    Professor Graeme C Hays

  82. Long-term changes in abundance and distribution of microzooplankton in the NE Atlantic and North Sea

    Article • Journal of Plankton Research, October 2011, Oxford University Press (OUP)

    Professor Graeme C Hays

  83. Life in the really slow lane: loggerhead sea turtles mature late relative to other reptiles

    Article • Functional Ecology, October 2011, Wiley

    Professor Graeme C Hays

  84. Animal Orientation Strategies for Movement in Flows

    Article • Current Biology, October 2011, Elsevier

    Professor Graeme C Hays

  85. Large-scale sampling reveals the spatio-temporal distributions of the jellyfish Aurelia aurita and Cyanea capillata in the Irish Sea

    Article • Marine Biology, August 2011, Springer Science + Business Media

    Professor Graeme C Hays

  86. High activity and Levy searches: jellyfish can search the water column like fish

    Article • Proceedings of the Royal Society B Biological Sciences, July 2011, Royal Society Publishing

    Professor Graeme C Hays

  87. Global patterns of epipelagic gelatinous zooplankton biomass

    Article • Marine Biology, July 2011, Springer Science + Business Media

    Professor Graeme C Hays

  88. Convergent evolution in locomotory patterns of flying and swimming animals

    Article • Nature Communications, June 2011, Springer Science + Business Media

    Professor Graeme C Hays

  89. Toxic marine microalgae and shellfish poisoning in the British isles: history, review of epidemiology, and future implications

    Article • Environmental Health, June 2011, Springer Science + Business Media

    Professor Graeme C Hays

  90. N-dimensional animal energetic niches clarify behavioural options in a variable marine environment

    Article • Journal of Experimental Biology, February 2011, The Company of Biologists

    Professor Graeme C Hays

  91. Fisheries bycatch data provide insights into the distribution of the mauve stinger (Pelagia noctiluca) around Ireland

    Article • ICES Journal of Marine Science, December 2010, Oxford University Press (OUP)

    Professor Graeme C Hays

  92. Behaviour and buoyancy regulation in the deepest-diving reptile: the leatherback turtle

    Article • Journal of Experimental Biology, December 2010, The Company of Biologists

    Professor Graeme C Hays

  93. Breeding Periodicity for Male Sea Turtles, Operational Sex Ratios, and Implications in the Face of Climate Change

    Article • Conservation Biology, November 2010, Wiley

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  94. Have jellyfish in the Irish Sea benefited from climate change and overfishing?

    Article • Global Change Biology, November 2010, Wiley

    Professor Graeme C Hays

  95. Multi-decadal oceanic ecological datasets and their application in marine policy and management

    Article • Trends in Ecology & Evolution, October 2010, Elsevier

    Professor Graeme C Hays

  96. Assessing accuracy and utility of satellite-tracking data using Argos-linked Fastloc-GPS

    Article • Animal Behaviour, September 2010, Elsevier

    Prof Brendan John Godley, Dr Matthew Witt, Professor Graeme C Hays

  97. Satellite tracking the world's largest jelly predator, the ocean sunfish, Mola mola, in the Western Pacific

    Article • Journal of Experimental Marine Biology and Ecology, September 2010, Elsevier

    Professor Graeme C Hays

  98. BIODIVERSITY RESEARCH: Fidelity to foraging sites, consistency of migration routes and habitat modulation of home range by sea turtles

    Article • Diversity and Distributions, August 2010, Wiley

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  99. Evidence from genetic and Lagrangian drifter data for transatlantic transport of small juvenile green turtles

    Article • Journal of Biogeography, August 2010, Wiley

    Professor Graeme C Hays

  100. Environmental context explains Lévy and Brownian movement patterns of marine predators

    Article • Nature, June 2010, Springer Science + Business Media

    Professor Graeme C Hays

  101. Global research priorities for sea turtles: informing management and conservation in the 21st century

    Article • Endangered Species Research, May 2010, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  102. Unravelling migratory connectivity in marine turtles using multiple methods

    Article • Journal of Applied Ecology, May 2010, Wiley

    Dr Matthew Witt, Professor Graeme C Hays, Prof Brendan John Godley

  103. Spatio-temporal foraging patterns of a giant zooplanktivore, the leatherback turtle

    Article • Journal of Marine Systems, May 2010, Elsevier

    Professor Graeme C Hays

  104. When surfacers do not dive: multiple significance of extended surface times in marine turtles

    Article • Journal of Experimental Biology, April 2010, The Company of Biologists

    Professor Graeme C Hays

  105. Use of respiration rates of scyphozoan jellyfish to estimate their effects on the food web

    Article • Hydrobiologia, April 2010, Springer Science + Business Media

    Professor Graeme C Hays

  106. Ontogenetic development of migration: Lagrangian drift trajectories suggest a new paradigm for sea turtles

    Article • Journal of The Royal Society Interface, March 2010, Royal Society Publishing

    Dr Kostas A. Katselidis, Professor Graeme C Hays

  107. Inter-annual variability in the home range of breeding turtles: Implications for current and future conservation management

    Article • Biological Conservation, March 2010, Elsevier

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  108. The biology and ecology of the ocean sunfish Mola mola: a review of current knowledge and future research perspectives

    Article • Reviews in Fish Biology and Fisheries, January 2010, Springer Science + Business Media

    Professor Graeme C Hays

  109. Use of respiration rates of scyphozoan jellyfish to estimate their effects on the food web

    Article • January 2010, Springer Science + Business Media

    Professor Graeme C Hays

  110. Long-Term GPS Tracking of Ocean Sunfish Mola mola Offers a New Direction in Fish Monitoring

    Article • PLoS ONE, October 2009, PLOS

    Professor Graeme C Hays

  111. Indicators of the impact of climate change on migratory species

    Article • Endangered Species Research, June 2009, Inter-Research Science Center

    Dr Nicholas K Dulvy, Professor Graeme C Hays

  112. Travelling through a warming world: climate change and migratory species

    Article • Endangered Species Research, June 2009, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  113. The jellyfish joyride: causes, consequences and management responses to a more gelatinous future

    Article • Trends in Ecology & Evolution, June 2009, Elsevier

    Professor Graeme C Hays

  114. Animal migration: linking models and data beyond taxonomic limits

    Article • Proceedings of the Royal Society B Biological Sciences, May 2009, Royal Society Publishing

    Professor John Michael McNamara, Professor Graeme C Hays

  115. Link between vertical and horizontal movement patterns of cod in the North Sea

    Article • Aquatic Biology, March 2009, Inter-Research Science Center

    Professor Graeme C Hays

  116. New frontiers in biologging science

    Article • Biology Letters, March 2009, Royal Society Publishing

    Professor Graeme C Hays

  117. Vertical niche overlap by two ocean giants with similar diets: Ocean sunfish and leatherback turtles

    Article • Journal of Experimental Marine Biology and Ecology, March 2009, Elsevier

    Professor Graeme C Hays

  118. Satellite tracking of the World's largest bony fish, the ocean sunfish (Mola mola L.) in the North East Atlantic

    Article • Journal of Experimental Marine Biology and Ecology, March 2009, Elsevier

    Professor Graeme C Hays

  119. Conservation hotspots: implications of intense spatial area use by breeding male and female loggerheads at the Mediterranean’s largest rookery

    Article • Endangered Species Research, January 2009, Inter-Research Science Center

    Dr Kostas A. Katselidis, Professor Graeme C Hays

  120. Chapter 2 Vulnerability of Marine Turtles to Climate Change

    Article • January 2009, Elsevier

    Professor Graeme C Hays

  121. Microhabitat selection by sea turtles in a dynamic thermal marine environment

    Article • Journal of Animal Ecology, December 2008, Wiley

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  122. Distribution, extent of inter-annual variability and diet of the bloom-forming jellyfish Rhizostoma in European waters

    Article • Journal of the Marine Biological Association of the United Kingdom, September 2008, Cambridge University Press

    Professor Graeme C Hays

  123. The role of infrequent and extraordinary deep dives in leatherback turtles (Dermochelys coriacea)

    Article • Journal of Experimental Biology, August 2008, The Company of Biologists

    Professor Graeme C Hays

  124. Widespread occurrence of the jellyfish Pelagia noctiluca in Irish coastal and shelf waters

    Article • Journal of Plankton Research, May 2008, Oxford University Press (OUP)

    Professor Graeme C Hays

  125. Sea turtles: A review of some key recent discoveries and remaining questions

    Article • Journal of Experimental Marine Biology and Ecology, March 2008, Elsevier

    Professor Graeme C Hays

  126. Measuring the state of consciousness in a free-living diving sea turtle

    Article • Journal of Experimental Marine Biology and Ecology, March 2008, Elsevier

    Professor Graeme C Hays

  127. Goal navigation and island-finding in sea turtles

    Article • Journal of Experimental Marine Biology and Ecology, March 2008, Elsevier

    Professor Graeme C Hays

  128. Scaling laws of marine predator search behaviour

    Article • Nature, February 2008, Springer Science + Business Media

    Dr Matthew Witt, Professor Graeme C Hays

  129. Ocean surface warming: The North Atlantic remains within the envelope of previous recorded conditions

    Article • Deep Sea Research Part I Oceanographic Research Papers, February 2008, Elsevier

    Professor Graeme C Hays

  130. Leatherback turtles satellite-tagged in European waters

    Article • Endangered Species Research, January 2008, Inter-Research Science Center

    Professor Graeme C Hays

  131. Influence of ocean currents on long-distance movement of leatherback sea turtles in the Southwest Indian Ocean

    Article • Marine Ecology Progress Series, January 2008, Inter-Research Science Center

    Professor Graeme C Hays

  132. Diving behaviour of jellyfish equipped with electronic tags

    Article • Journal of Plankton Research, December 2007, Oxford University Press (OUP)

    Professor Graeme C Hays

  133. Vertical movements of North Sea cod

    Article • Marine Ecology Progress Series, October 2007, Inter-Research Science Center

    Professor Graeme C Hays

  134. Allometric scaling of lung volume and its consequences for marine turtle diving performance

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, October 2007, Elsevier

    Professor Graeme C Hays

  135. A novel technique for measuring heart rate in a free swimming marine vertebrate

    Article • Journal of Experimental Marine Biology and Ecology, September 2007, Elsevier

    Professor Graeme C Hays

  136. Why do Argos satellite tags deployed on marine animals stop transmitting?

    Article • Journal of Experimental Marine Biology and Ecology, September 2007, Elsevier

    Professor Graeme C Hays

  137. Novel GPS tracking of sea turtles as a tool for conservation management

    Article • Journal of Experimental Marine Biology and Ecology, August 2007, Elsevier

    Dr Kostas A. Katselidis, Professor Graeme C Hays, Dr Gail Schofield

  138. Protracted rainfall decreases temperature within leatherback turtle (Dermochelys coriacea) clutches in Grenada, West Indies: Ecological implications for a species displaying temperature dependent sex determination

    Article • Journal of Experimental Marine Biology and Ecology, June 2007, Elsevier

    Professor Graeme C Hays

  139. Stranding events provide indirect insights into the seasonality and persistence of jellyfish medusae (Cnidaria: Scyphozoa)

    Article • Hydrobiologia, May 2007, Springer Science + Business Media

    Professor Graeme C Hays

  140. Meta-analysis of movements in Atlantic leatherback turtles during the nesting season: conservation implications

    Article • Marine Ecology Progress Series, May 2007, Inter-Research Science Center

    Professor Graeme C Hays

  141. The energy density of jellyfish: Estimates from bomb-calorimetry and proximate-composition

    Article • Journal of Experimental Marine Biology and Ecology, May 2007, Elsevier

    Professor Graeme C Hays

  142. Female–female aggression: structure of interaction and outcome in loggerhead sea turtles

    Article • Marine Ecology Progress Series, April 2007, Inter-Research Science Center

    Dr Kostas A. Katselidis, Professor Graeme C Hays

  143. Behavioral Inference of Diving Metabolic Rate in Free‐Ranging Leatherback Turtles

    Article • Physiological and Biochemical Zoology, March 2007, University of Chicago Press

    Professor Graeme C Hays

  144. MEASUREMENT ERROR CAUSES SCALE-DEPENDENT THRESHOLD EROSION OF BIOLOGICAL SIGNALS IN ANIMAL MOVEMENT DATA

    Article • Ecological Applications, March 2007, Wiley

    Professor Graeme C Hays, Professor Corey J. A. Bradshaw

  145. Applying the Heat to Research Techniques for Species Conservation

    Article • Conservation Biology, February 2007, Wiley

    Professor Graeme C Hays

  146. Satellite tracking reveals unusual diving characteristics for a marine reptile, the olive ridley turtle Lepidochelys olivacea

    Article • Marine Ecology Progress Series, January 2007, Inter-Research Science Center

    Professor Graeme C Hays

  147. Recording the free-living behaviour of small-bodied, shallow-diving animals with data loggers

    Article • Journal of Animal Ecology, January 2007, Wiley

    Professor Graeme C Hays

  148. Overwintering behaviour in sea turtles: dormancy is optional

    Article • Marine Ecology Progress Series, January 2007, Inter-Research Science Center

    Professor Graeme C Hays

  149. Detecting female precise natal philopatry in green turtles using assignment methods

    Article • Molecular Ecology, December 2006, Wiley

    Professor Graeme C Hays

  150. Rhythmic Throat Oscillations in Nesting Green Turtles (Chelonia mydas)

    Article • Chelonian Conservation and Biology, December 2006, Chelonian Conservation and Biology Journal

    Professor Graeme C Hays, Prof Brendan John Godley

  151. The behaviour of a hawksbill turtle data-logged during the passage of hurricane Georges through the Caribbean

    Article • Marine and Freshwater Behaviour and Physiology, November 2006, Taylor & Francis

    Professor Graeme C Hays

  152. The broad-scale distribution of five jellyfish species across a temperate coastal environment

    Article • Hydrobiologia, November 2006, Springer Science + Business Media

    Professor Graeme C Hays

  153. FLEXIBLE FORAGING MOVEMENTS OF LEATHERBACK TURTLES ACROSS THE NORTH ATLANTIC OCEAN

    Article • Ecology, October 2006, Wiley

    Professor Graeme C Hays

  154. Do leatherback turtles Dermochelys coriacea forage during the breeding season? A combination of data-logging devices provide new insights

    Article • Marine Ecology Progress Series, September 2006, Inter-Research Science Center

    Professor Graeme C Hays

  155. The ocean sunfish Mola mola: insights into distribution, abundance and behaviour in the Irish and Celtic Seas

    Article • Journal of the Marine Biological Association of the United Kingdom, August 2006, Cambridge University Press

    Professor Graeme C Hays

  156. Keeping pace with movement analysis

    Article • Journal of Animal Ecology, August 2006, Wiley

    Professor Graeme C Hays

  157. JELLYFISH AGGREGATIONS AND LEATHERBACK TURTLE FORAGING PATTERNS IN A TEMPERATE COASTAL ENVIRONMENT

    Article • Ecology, August 2006, Wiley

    Professor Graeme C Hays

  158. Expanded thermal niche for a diving vertebrate: A leatherback turtle diving into near-freezing water

    Article • Journal of Experimental Marine Biology and Ecology, August 2006, Elsevier

    Professor Graeme C Hays

  159. Flipper beat frequency and amplitude changes in diving green turtles, Chelonia mydas

    Article • Marine Biology, July 2006, Springer Science + Business Media

    Professor Graeme C Hays

  160. Thermal control of hatchling emergence patterns in marine turtles

    Article • Journal of Experimental Marine Biology and Ecology, June 2006, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  161. Developing a simple, rapid method for identifying and monitoring jellyfish aggregations from the air

    Article • Marine Ecology Progress Series, May 2006, Inter-Research Science Center

    Professor Graeme C Hays

  162. Thermal niche, large-scale movements and implications of climate change for a critically endangered marine vertebrate

    Article • Global Change Biology, May 2006, Wiley

    Professor Graeme C Hays

  163. Tools for studying animal behaviour: validation of dive profiles relayed via the Argos satellite system

    Article • Animal Behaviour, April 2006, Elsevier

    Professor Graeme C Hays

  164. Are green turtles globally endangered?

    Article • Global Ecology and Biogeography, January 2006, Wiley

    Professor Graeme C Hays, Prof Brendan John Godley

  165. Long-term monitoring of leatherback turtle diving behaviour during oceanic movements

    Article • Journal of Experimental Marine Biology and Ecology, January 2006, Elsevier

    Professor Graeme C Hays

  166. Branding can be justified in vital conservation research

    Article • Nature, January 2006, Springer Science + Business Media

    Professor Graeme C Hays

  167. Animal-borne sensors successfully capture the real-time thermal properties of ocean basins

    Article • Limnology and Oceanography Methods, August 2005, Wiley

    Professor Graeme C Hays

  168. Climate change and marine plankton

    Article • Trends in Ecology & Evolution, June 2005, Elsevier

    Professor Graeme C Hays

  169. First records of dive durations for a hibernating sea turtle

    Article • Proceedings of the Royal Society B Biological Sciences, March 2005, Royal Society Publishing

    Professor Graeme C Hays

  170. Stemming the tide of turtle extinction

    Article • January 2005, Nature

    Professor Graeme C Hays

  171. Patterns in the emergence of green (Chelonia mydas) and loggerhead (Caretta caretta) turtle hatchlings from their nests

    Article • Marine Biology, November 2004, Springer Science + Business Media

    Prof Brendan John Godley, Professor Graeme C Hays

  172. Conservation of turtles

    Article • Trends in Ecology & Evolution, October 2004, Elsevier

    Professor Graeme C Hays

  173. How well does the Continuous Plankton Recorder (CPR) sample zooplankton? A comparison with the Longhurst Hardy Plankton Recorder (LHPR) in the northeast Atlantic

    Article • Deep Sea Research Part I Oceanographic Research Papers, September 2004, Elsevier

    Professor Graeme C Hays

  174. The volume of water filtered by a Continuous Plankton Recorder sample: the effect of ship speed

    Article • Journal of Plankton Research, August 2004, Oxford University Press (OUP)

    Professor Graeme C Hays

  175. Good news for sea turtles

    Article • Trends in Ecology & Evolution, July 2004, Elsevier

    Professor Graeme C Hays

  176. Endangered species: Pan-Atlantic leatherback turtle movements

    Article • June 2004, Nature

    Professor Graeme C Hays

  177. First records of flipper beat frequency during sea turtle diving

    Article • Journal of Experimental Marine Biology and Ecology, June 2004, Elsevier

    Professor Graeme C Hays

  178. Polyandry in a marine turtle: Females make the best of a bad job

    Article • Proceedings of the National Academy of Sciences, April 2004, Proceedings of the National Academy of Sciences

    Professor Graeme C Hays

  179. First records of oceanic dive profiles for leatherback turtles, Dermochelys coriacea, indicate behavioural plasticity associated with long-distance migration

    Article • Animal Behaviour, April 2004, Elsevier

    Professor Graeme C Hays

  180. THE IMPLICATIONS OF LUNG-REGULATED BUOYANCY CONTROL FOR DIVE DEPTH AND DURATION

    Article • Ecology, April 2004, Wiley

    Professor Graeme C Hays

  181. Tracking turtles to their death

    Article • Marine Ecology Progress Series, January 2004, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  182. Aircraft give a new view of jellyfish behaviour

    Article • November 2003, Nature

    Professor Graeme C Hays

  183. Navigation by green turtles: which strategy do displaced adults use to find Ascension Island?

    Article • Oikos, November 2003, Wiley

    Prof Brendan John Godley, Professor Graeme C Hays

  184. A review of long-distance movements by marine turtles, and the possible role of ocean currents

    Article • Oikos, October 2003, Wiley

    Professor Graeme C Hays

  185. Incubation environment affects phenotype of naturally incubated green turtle hatchlings

    Article • Journal of the Marine Biological Association of the United Kingdom, October 2003, Cambridge University Press

    Prof Brendan John Godley, Professor Graeme C Hays

  186. A review of the adaptive significance and ecosystem consequences of zooplankton diel vertical migrations

    Article • Hydrobiologia, August 2003, Springer Science + Business Media

    Professor Graeme C Hays

  187. Habitat utilization by juvenile hawksbill turtles (Eretmochelys imbricata, Linnaeus, 1766) around a shallow water coral reef

    Article • Journal of Natural History, May 2003, Taylor & Francis

    Professor Graeme C Hays

  188. Climate change and sea turtles: a 150-year reconstruction of incubation temperatures at a major marine turtle rookery

    Article • Global Change Biology, April 2003, Wiley

    Professor Graeme C Hays, Prof Brendan John Godley

  189. Variation in reproductive output of marine turtles

    Article • Journal of Experimental Marine Biology and Ecology, March 2003, Elsevier

    Professor Graeme C Hays, Prof Brendan John Godley

  190. Post-nesting movements and submergence patterns of loggerhead marine turtles in the Mediterranean assessed by satellite tracking

    Article • Journal of Experimental Marine Biology and Ecology, February 2003, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  191. A review of the adaptive significance and ecosystem consequences of zooplankton diel vertical migrations

    Article • January 2003, Springer Science + Business Media

    Professor Graeme C Hays

  192. Satellite telemetry suggests high levels of fishing-induced mortality in marine turtles

    Article • Marine Ecology Progress Series, January 2003, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  193. Biphasal long-distance migration in green turtles

    Article • Animal Behaviour, December 2002, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  194. Behavioural plasticity in a large marine herbivore: contrasting patterns of depth utilisation between two green turtle (Chelonia mydas) populations

    Article • Marine Biology, November 2002, Springer Science + Business Media

    Prof Brendan John Godley, Professor Graeme C Hays

  195. Water temperature and internesting intervals for loggerhead (Caretta caretta) and green (Chelonia mydas) sea turtles

    Article • Journal of Thermal Biology, October 2002, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  196. Continuous plankton records stand the test of time: evaluation of flow rates, clogging and the continuity of the CPR time-series

    Article • Journal of Plankton Research, September 2002, Oxford University Press (OUP)

    Professor Graeme C Hays

  197. Estimating the number of green and loggerhead turtles nesting annually in the Mediterranean

    Article • Oryx, July 2002, Cambridge University Press

    Professor Graeme C Hays, Prof Brendan John Godley

  198. Change in body mass associated with long-term fasting in a marine reptile: the case of green turtles ( Chelonia mydas ) at Ascension Island

    Article • Canadian Journal of Zoology, July 2002, Canadian Science Publishing

    Professor Graeme C Hays, Prof Brendan John Godley

  199. Long-term satellite telemetry of the movements and habitat utilisation by green turtles in the Mediterranean

    Article • Ecography, June 2002, Wiley

    Prof Brendan John Godley, Professor Graeme C Hays

  200. Reproductive seasonality and sexual dimorphism in green turtles

    Article • Marine Ecology Progress Series, January 2002, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  201. Temperature-dependent sex determination of Ascension Island green turtles

    Article • Marine Ecology Progress Series, January 2002, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  202. Diving behaviour during the internesting interval for loggerhead turtles Caretta caretta nesting in Cyprus

    Article • Marine Ecology Progress Series, January 2002, Inter-Research Science Center

    Prof Brendan John Godley, Professor Graeme C Hays

  203. Comparison between zooplankton data collected by the Continuous Plankton Recorder survey in the English Channel and by WP-2 nets at station L4, Plymouth (UK)

    Article • Journal of Sea Research, December 2001, Elsevier

    Professor Graeme C Hays

  204. Testing the navigational abilities of ocean migrants: displacement experiments on green sea turtles ( Chelonia mydas )

    Article • Behavioral Ecology and Sociobiology, November 2001, Springer Science + Business Media

    Professor Graeme C Hays, Prof Brendan John Godley

  205. Individual variability in diel vertical migration of a marine copepod: Why some individuals remain at depth when others migrate

    Article • Limnology and Oceanography, November 2001, Wiley

    Professor Graeme C Hays

  206. Oceanic Long-distance Navigation: Do Experienced Migrants use the Earth's Magnetic Field?

    Article • Journal of Navigation, September 2001, Cambridge University Press

    Prof Brendan John Godley, Professor Graeme C Hays

  207. The movements and submergence behaviour of male green turtles at Ascension Island

    Article • Marine Biology, August 2001, Springer Science + Business Media

    Prof Brendan John Godley, Professor Graeme C Hays

  208. Thermal conditions in nests of loggerhead turtles: further evidence suggesting female skewed sex ratios of hatchling production in the Mediterranean

    Article • Journal of Experimental Marine Biology and Ecology, August 2001, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  209. Trophic status drives interannual variability in nesting numbers of marine turtles

    Article • Proceedings of the Royal Society B Biological Sciences, July 2001, Royal Society Publishing

    Prof Brendan John Godley, Professor Graeme C Hays

  210. The implications of location accuracy for the interpretation of satellite-tracking data

    Article • Animal Behaviour, May 2001, Elsevier

    Prof Brendan John Godley, Professor Graeme C Hays

  211. Asynchronous emergence by loggerhead turtle ( Caretta caretta ) hatchlings

    Article • The Science of Nature, April 2001, Springer Science + Business Media

    Professor Graeme C Hays

  212. Two hundred years after a commercial marine turtle fishery: the current status of marine turtles nesting in the Cayman Islands

    Article • Oryx, April 2001, Cambridge University Press

    Professor Graeme C Hays, Prof Brendan John Godley

  213. Two hundred years after a commercial marine turtle fishery: the current status of marine turtles nesting in the Cayman Islands

    Article • Oryx, April 2001, Cambridge University Press

    Professor Graeme C Hays, Prof Brendan John Godley

  214. Metabolic Heating and the Prediction of Sex Ratios for Green Turtles (Chelonia mydas)

    Article • Physiological and Biochemical Zoology, March 2001, University of Chicago Press

    Professor Graeme C Hays, Prof Brendan John Godley

  215. Nesting of green turtles ( Chelonia mydas ) at Ascension Island, South Atlantic

    Article • Biological Conservation, February 2001, Elsevier

    Professor Graeme C Hays, Prof Brendan John Godley

  216. Diel changes in the near-surface biomass of zooplankton and the carbon content of vertical migrants

    Article • Deep Sea Research Part II Topical Studies in Oceanography, January 2001, Elsevier

    Professor Graeme C Hays

  217. Large-scale patterns of zooplankton abundance in the NE Atlantic in June and July 1996

    Article • Deep Sea Research Part II Topical Studies in Oceanography, January 2001, Elsevier

    Professor Graeme C Hays

  218. Movements of migrating green turtles in relation to AVHRR derived sea surface temperature

    Article • International Journal of Remote Sensing, January 2001, Taylor & Francis

    Professor Graeme C Hays

  219. The Implications of Variable Remigration Intervals for the Assessment of Population Size in Marine Turtles

    Article • Journal of Theoretical Biology, September 2000, Elsevier

    Professor Graeme C Hays

  220. Sea turtle diving and foraging behaviour around the Greek Island of Kefalonia

    Article • Journal of the Marine Biological Association of the United Kingdom, August 2000, Cambridge University Press

    Professor Graeme C Hays

  221. The diving behaviour of green turtles at Ascension Island

    Article • Animal Behaviour, March 2000, Elsevier

    Professor Graeme C Hays, Prof Brendan John Godley

  222. Diet changes in the carbon and nitrogen content of the copepod Metridia lucens

    Article • Journal of Plankton Research, January 1998, Oxford University Press (OUP)

    Professor Graeme C Hays

  223. The U-Tow: a system for sampling mesozooplankton over extended spatial scales

    Article • Journal of Plankton Research, January 1998, Oxford University Press (OUP)

    Professor Graeme C Hays

  224. Why do the two most abundant copepods in the North Atlantic differ so markedly in their diel vertical migration behaviour?

    Article • Journal of Sea Research, December 1997, Elsevier

    Professor Graeme C Hays

  225. A technique for the in situ assessment of the vertical nitrogen flux caused by the diel vertical migration of zooplankton

    Article • Deep Sea Research Part I Oceanographic Research Papers, June 1997, Elsevier

    Professor Graeme C Hays

  226. Large scale spatial variations in the seasonal abundance of Calanus finmarchicus

    Article • Deep Sea Research Part I Oceanographic Research Papers, February 1997, Elsevier

    Professor Graeme C Hays

  227. Large-scale patterns of diel vertical migration in the North Atlantic

    Article • Deep Sea Research Part I Oceanographic Research Papers, October 1996, Elsevier

    Professor Graeme C Hays

  228. Long-term changes in the diel vertical migration behaviour of zooplankton

    Article • Marine Ecology Progress Series, January 1996, Inter-Research Science Center

    Professor Graeme C Hays

  229. Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa

    Article • Limnology and Oceanography, December 1995, Wiley

    Professor Graeme C Hays

  230. Zooplankton avoidance activity

    Article • Nature, August 1995, Springer Science + Business Media

    Professor Graeme C Hays

  231. Nest site selection by sea turtles

    Article • Journal of the Marine Biological Association of the United Kingdom, August 1995, Cambridge University Press

    Professor Graeme C Hays

  232. Spatio-temporal patterns in the diel vertical migration of the copepod Metridia lucens in the northeast Atlantic derived from the Continuous Plankton Recorder survey

    Article • Limnology and Oceanography, May 1995, Wiley

    Professor Graeme C Hays

  233. Inter- and Intra-Beach Thermal Variation for Green Turtle Nests on Ascension Island, South Atlantic

    Article • Journal of the Marine Biological Association of the United Kingdom, May 1995, Cambridge University Press

    Professor Graeme C Hays

  234. Is Hyperthermia a Constraint on the Diurnal Activity of Bats?

    Article • Journal of Theoretical Biology, December 1994, Elsevier

    Professor Graeme C Hays

  235. Interspecific differences in the diel vertical migration of marine copepods: The implications of size, color, and morphology

    Article • Limnology and Oceanography, November 1994, Wiley

    Professor Graeme C Hays

  236. Mesh selection and filtration efficiency of the Continuous Plankton Recorder

    Article • Journal of Plankton Research, January 1994, Oxford University Press (OUP)

    Professor Graeme C Hays

  237. Estimating chlorophyll a abundance from the ‘phytoplankton colour’ recorded by the Continuous Plankton Recorder survey: validation with simultaneous fluorometry

    Article • Journal of Plankton Research, January 1994, Oxford University Press (OUP)

    Professor Graeme C Hays

  238. Sampling by the continuous plankton recorder survey

    Article • Progress In Oceanography, January 1994, Elsevier

    Professor Graeme C Hays

  239. Consistency of Towing Speed and Sampling Depth for the Continuous Plankton Recorder

    Article • Journal of the Marine Biological Association of the United Kingdom, November 1993, Cambridge University Press

    Professor Graeme C Hays

  240. Reproductive investment by green turtles nesting on Ascension Island

    Article • Canadian Journal of Zoology, June 1993, Canadian Science Publishing

    Professor Graeme C Hays

  241. Nest placement by loggerhead turtles, Caretta caretta

    Article • Animal Behaviour, January 1993, Elsevier

    Professor Graeme C Hays

  242. The relationship between Gulf Stream position and copepod abundance derived from the Continuous Plankton Recorder Survey: separating biological signal from sampling noise

    Article • Journal of Plankton Research, January 1993, Oxford University Press (OUP)

    Professor Graeme C Hays

  243. Albedo and transmittance of short-wave radiation for bat wings

    Article • Journal of Thermal Biology, November 1992, Elsevier

    Professor Graeme C Hays

  244. The functional significance of ventilation frequency, and its relationship to oxygen demand in the resting brown long-eared bat, Plecotus auritus

    Article • Journal of Comparative Physiology B, March 1992, Springer Science + Business Media

    Professor Graeme C Hays

  245. Clutch size for Mediterranean loggerhead turtles (Caretta caretta)

    Article • Journal of Zoology, February 1992, Wiley

    Professor Graeme C Hays

  246. Arrhythmic breathing in torpid pipistrelle bats, Pipistrellus pipistrellus

    Article • Respiration Physiology, August 1991, Elsevier

    Professor Graeme C Hays

  247. Satellite Tracking of A Loggerhead Turtle (Caretta Caretta) in The Mediterranean

    Article • Journal of the Marine Biological Association of the United Kingdom, August 1991, Cambridge University Press

    Professor Graeme C Hays

  248. Reproductive Investment and Optimum Clutch Size of Loggerhead Sea Turtles (Caretta caretta)

    Article • Journal of Animal Ecology, June 1991, JSTOR

    Professor Graeme C Hays

  249. Remigration and Beach Fidelity of Loggerhead Turtles Nesting on the Island of Cephalonia, Greece

    Article • Journal of Herpetology, June 1991, JSTOR

    Professor Graeme C Hays