All Stories

  1. Global change-driven effects on dissolved organic matter composition: Implications for food webs of northern lakes

    Article • April 2018, Wiley

    Prof. Dag O. Hessen, Nancy B Grimm

  2. Modelling ROS formation in boreal lakes from interactions between dissolved organic matter and absorbed solar photon flux

    Article • Water Research, April 2018, Elsevier

    Prof. Dag O. Hessen

  3. Effects of water browning on freshwater biodiversity: the case of the predatory phantom midge Chaoborus nyblaei

    Article • Hydrobiologia, January 2018, Springer Science + Business Media

    Prof. Dag O. Hessen

  4. Will Invertebrates Require Increasingly Carbon-Rich Food in a Warming World?

    Article • The American Naturalist, December 2017, University of Chicago Press

    Jotaro Urabe, Prof. Dag O. Hessen

  5. Ecological resilience in lakes and the conjunction fallacy

    Article • Nature Ecology & Evolution, October 2017, Springer Science + Business Media

    Prof. Dag O. Hessen

  6. Growth, stoichiometry and cell size; temperature and nutrient responses in haptophytes

    Article • PeerJ, September 2017, PeerJ

    Prof. Dag O. Hessen

  7. Impacts of Nitrogen and Phosphorus: From Genomes to Natural Ecosystems and Agriculture

    Article • Frontiers in Ecology and Evolution, July 2017, Frontiers

    Prof. Dag O. Hessen

  8. Genome size in arthropods; different roles of phylogeny, habitat and life history in insects and crustaceans

    Article • Ecology and Evolution, June 2017, Wiley

    Prof. Dag O. Hessen

  9. Impact of Noncoding DNA on Phenotype Evolution

    Article • May 2017, Wiley

    Prof. Dag O. Hessen

  10. Coupling dissolved organic carbon, CO2and productivity in boreal lakes

    Article • March 2017, Wiley

    Prof. Dag O. Hessen

  11. Plasticity in algal stoichiometry: Experimental evidence of a temperature-induced shift in optimal supply N:P ratio

    Article • Limnology and Oceanography, March 2017, Wiley

    Prof. Dag O. Hessen

  12. Changes in Stoichiometry, Cellular RNA, and Alkaline Phosphatase Activity of Chlamydomonas in Response to Temperature and Nutrients

    Article • Frontiers in Microbiology, January 2017, Frontiers

    Prof. Dag O. Hessen

  13. When soft waters becomes softer; drivers of critically low levels of Ca in Norwegian lakes

    Article • Limnology and Oceanography, October 2016, Wiley

    Prof. Dag O. Hessen

  14. The influence of dissolved organic carbon and ultraviolet radiation on the genomic integrity of Daphnia magna

    Article • Functional Ecology, September 2016, Wiley

    Prof. Dag O. Hessen

  15. Global change and ecosystem connectivity: How geese link fields of central Europe to eutrophication of Arctic freshwaters

    Article • AMBIO, June 2016, Springer Science + Business Media

    Prof. Dag O. Hessen

  16. The impact of irradiance on optimal and cellular nitrogen to phosphorus ratios in phytoplankton

    Article • Ecology Letters, June 2016, Wiley

    Prof. Dag O. Hessen

  17. Can IVF influence human evolution?: Table I

    Article • Human Reproduction, April 2016, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  18. Krepsen som ble kanarifugl

    Article • Naturen, March 2016, Scandinavian University Press / Universitetsforlaget AS

    Prof. Dag O. Hessen

  19. Water browning mediates predatory decimation of the Arctic fairy shrimpBranchinecta paludosa

    Article • Freshwater Biology, January 2016, Wiley

    Prof. Dag O. Hessen

  20. Birds, nutrients, and climate change: mtDNA haplotype diversity of Arctic Daphnia on Svalbard revisited

    Article • Polar Biology, January 2016, Springer Science + Business Media

    Prof. Dag O. Hessen

  21. Environmental Impacts—Lake Ecosystems

    Article • January 2016, Springer Science + Business Media

    Prof. Dag O. Hessen

  22. Greenhouse gas metabolism in Nordic boreal lakes

    Article • Biodegradation, October 2015, Springer Science + Business Media

    Prof. Dag O. Hessen

  23. Phosphorus use and excretion varies with ploidy level inDaphnia

    Article • Journal of Plankton Research, October 2015, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  24. Endopolyploidy as a potential driver of animal ecology and evolution

    Article • October 2015, Wiley

    Prof. Dag O. Hessen

  25. Noncoding DNA as a Phenotypic Driver

    Article • Evolutionary Biology, June 2015, Springer Science + Business Media

    Prof. Dag O. Hessen

  26. Higher zooplankton species richness associated with an invertebrate top predator

    Article • Freshwater Biology, March 2015, Wiley

    Prof. Dag O. Hessen

  27. Phosphorus limitation enhances parasite impact: feedback effects at the population level

    Article • BMC Ecology, October 2014, Springer Science + Business Media

    Prof. Dag O. Hessen

  28. Multigenerational genomic responses to dietary phosphorus and temperature in Daphnia

    Article • Genome, August 2014, Canadian Science Publishing

    Prof. Dag O. Hessen

  29. The Absorption of Light in Lakes: Negative Impact of Dissolved Organic Carbon on Primary Productivity

    Article • Ecosystems, May 2014, Springer Science + Business Media

    Prof. Dag O. Hessen

  30. Ecological stoichiometry: An elementary approach using basic principles

    Article • Limnology and Oceanography, November 2013, Wiley

    Dr James Elser, Prof. Dag O. Hessen, Jotaro Urabe

  31. Unimodal response of fish yield to dissolved organic carbon

    Article • Ecology Letters, October 2013, Wiley

    Prof. Dag O. Hessen

  32. Larger Daphnia at lower temperature: a role for cell size and genome configuration? 1

    Article • Genome, September 2013, Canadian Science Publishing

    Prof. Dag O. Hessen

  33. Inorganic Nitrogen Deposition and Its Impacts on N:P-Ratios and Lake Productivity

    Article • Water, March 2013, MDPI AG

    Prof. Dag O. Hessen

  34. Juncus bulbosus nuisance growth in oligotrophic freshwater ecosystems: Different triggers for the same phenomenon in rivers and lakes?

    Article • Aquatic Botany, January 2013, Elsevier

    Prof. Dag O. Hessen

  35. Temperature-size relations from the cellular-genomic perspective

    Article • Biological Reviews, December 2012, Wiley

    Prof. Dag O. Hessen

  36. Climate-driven range retraction of an Arctic freshwater crustacean

    Article • Freshwater Biology, October 2012, Wiley

    Prof. Dag O. Hessen

  37. Differential short- and long-term effects of an invertebrate predator on zooplankton communities in invaded and native lakes

    Article • Diversity and Distributions, August 2012, Wiley

    Prof. Dag O. Hessen

  38. The ecological niches of Bythotrephes and Leptodora: lessons for predicting long-term effects of invasion

    Article • Biological Invasions, September 2011, Springer Science + Business Media

    Prof. Dag O. Hessen

  39. Predicting organic carbon in lakes from climate drivers and catchment properties

    Article • Global Biogeochemical Cycles, July 2011, American Geophysical Union (AGU)

    Prof. Dag O. Hessen

  40. ThepCO2in boreal lakes: Organic carbon as a universal predictor?

    Article • Global Biogeochemical Cycles, May 2011, American Geophysical Union (AGU)

    Prof. Dag O. Hessen

  41. Plant quality, seasonality and sheep grazing in an alpine ecosystem

    Article • Basic and Applied Ecology, May 2011, Elsevier

    Prof. Dag O. Hessen

  42. Climate change predicted to cause severe increase of organic carbon in lakes

    Article • Global Change Biology, January 2011, Wiley

    Prof. Dag O. Hessen

  43. Review of Polar lakes and rivers: limnology of Arctic and Antarctic aquatic systems, edited by Warwick F. Vincent and Johanna Laybourn-Parry (2008).

    Article • Polar Research, January 2011, Taylor & Francis

    Prof. Dag O. Hessen

  44. Joint effect of phosphorus limitation and temperature on alkaline phosphatase activity and somatic growth in Daphnia magna

    Article • Oecologia, December 2010, Springer Science + Business Media

    Dr James Elser, Prof. Dag O. Hessen

  45. Increased risk of phosphorus limitation at higher temperatures for Daphnia magna

    Article • Oecologia, August 2010, Springer Science + Business Media

    Prof. Dag O. Hessen

  46. Genome streamlining in prokaryotes versus eukaryotes

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

    Prof. Dag O. Hessen

  47. Genome streamlining and the elemental costs of growth

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

    Prof. Dag O. Hessen

  48. Nitrogen deposition, catchment productivity, and climate as determinants of lake stoichiometry

    Article • Limnology and Oceanography, November 2009, Wiley

    Prof. Dag O. Hessen

  49. Modelling crayfish population dynamics using catch data: A size-structured model

    Article • Ecological Modelling, October 2009, Elsevier

    Prof. Dag O. Hessen

  50. Genome size as a determinant of growth and life-history traits in crustaceans

    Article • Biological Journal of the Linnean Society, September 2009, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  51. The Structure and Development of Polar Research (1981–2007): a Publication-Based Approach

    Article • Arctic Antarctic and Alpine Research, May 2009, Institute of Arctic and Alpine Research (INSTAAR)

    Prof. Dag O. Hessen, Dag W Aksnes

  52. Diversity, Dispersal and Disturbance: Cladoceran Species Composition in the Okavango Delta

    Article • African Zoology, April 2009, Taylor & Francis

    Prof. Dag O. Hessen

  53. Diversity, dispersal and disturbance: cladoceran species composition in the Okavango Delta

    Article • African Zoology, April 2009, Taylor & Francis

    Prof. Dag O. Hessen

  54. The rarity concept and the commonness of rarity in freshwater zooplankton

    Article • Freshwater Biology, October 2008, Wiley

    Prof. Dag O. Hessen

  55. Do phosphorus requirements for RNA limit genome size in crustacean zooplankton?

    Article • Genome, September 2008, Canadian Science Publishing

    Dr James Elser, Prof. Dag O. Hessen

  56. Excess carbon in aquatic organisms and ecosystems: Physiological, ecological, and evolutionary implications

    Article • Limnology and Oceanography, July 2008, Wiley

    Prof. Dag O. Hessen

  57. Scale‐dependent carbon:nitrogen:phosphorus seston stoichiometry in marine and freshwaters

    Article • Limnology and Oceanography, May 2008, Wiley

    Dr James Elser, Prof. Dag O. Hessen, Jotaro Urabe

  58. Reduced Fitness of Daphnia magna Fed a Bt-Transgenic Maize Variety

    Article • Archives of Environmental Contamination and Toxicology, March 2008, Springer Science + Business Media

    Prof. Dag O. Hessen

  59. Efficiency, Energy and Stoichiometry in Pelagic Food Webs; Reciprocal Roles of Food Quality and Food Quantity

    Article • Freshwater Reviews, March 2008, Freshwater Biological Association (BioOne sponsored)

    Prof. Dag O. Hessen

  60. Morphological and genetic differences among recently founded poulations of noble crayfish (Astacus astacus)

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

    Prof. Dag O. Hessen

  61. Food webs and energy fluxes on a seasonal floodplain: The influence of flood size

    Article • Wetlands, December 2007, Springer Science + Business Media

    Prof. Dag O. Hessen

  62. Energy input and zooplankton species richness

    Article • Ecography, November 2007, Wiley

    Prof. Dag O. Hessen

  63. Competition and niche partitioning in a floodplain ecosystem: a cladoceran community squeezed between fish and invertebrate predation

    Article • African Zoology, October 2007, Taylor & Francis

    Prof. Dag O. Hessen

  64. Growth rate versus biomass accumulation: Different roles of food quality and quantity for consumers

    Article • Limnology and Oceanography, September 2007, Wiley

    Prof. Dag O. Hessen

  65. Predicting particulate pools of nitrogen, phosphorus and organic carbon in lakes

    Article • Aquatic Sciences, August 2007, Springer Science + Business Media

    Prof. Dag O. Hessen

  66. Zooplankton succession on seasonal floodplains: surfing on a wave of food

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

    Prof. Dag O. Hessen

  67. Ultraviolet radiation negatively affects growth but not food quality of arctic diatoms

    Article • Limnology and Oceanography, March 2007, Wiley

    Prof. Dag O. Hessen

  68. Does excess dietary carbon affect respiration of Daphnia?

    Article • Oecologia, January 2007, Springer Science + Business Media

    Prof. Dag O. Hessen

  69. Does excess carbon affect respiration of the rotifer Brachionus calyciflorus Pallas?

    Article • Freshwater Biology, December 2006, Wiley

    Prof. Dag O. Hessen

  70. UV effects on stoichiometry and PUFAs of Selenastrum capricornutum and their consequences for the grazer Daphnia magna

    Article • Freshwater Biology, December 2006, Wiley

    Prof. Dag O. Hessen

  71. Trophic transfer and trophic modification of fatty acids in high Arctic lakes

    Article • Freshwater Biology, November 2006, Wiley

    Prof. Dag O. Hessen

  72. Major contribution from littoral crustaceans to zooplankton species richness in lakes

    Article • Limnology and Oceanography, November 2006, Wiley

    Prof. Dag O. Hessen

  73. Age-dependent shift in response to food element composition in Collembola: contrasting effects of dietary nitrogen

    Article • Oecologia, August 2006, Springer Science + Business Media

    Prof. Dag O. Hessen

  74. Determinants of seston C : P-ratio in lakes

    Article • Freshwater Biology, August 2006, Wiley

    Prof. Dag O. Hessen

  75. Nutrient Enrichment and Planktonic Biomass Ratios in Lakes

    Article • Ecosystems, May 2006, Springer Science + Business Media

    Prof. Dag O. Hessen

  76. Fitness, developmental instability, and the ontogeny of fluctuating asymmetry in Daphnia magna

    Article • Biological Journal of the Linnean Society, May 2006, Oxford University Press (OUP)

    Prof. Dag O. Hessen, Leif Asbjørn Vøllestad

  77. EXTRINSIC AND INTRINSIC CONTROLS OF ZOOPLANKTON DIVERSITY IN LAKES

    Article • Ecology, February 2006, Wiley

    Prof. Dag O. Hessen

  78. Threshold elemental ratios for carbon versus phosphorus limitation inDaphnia

    Article • Freshwater Biology, December 2005, Wiley

    Prof. Dag O. Hessen

  79. A Freshwater Perspective on Climate Variability and its Effect on Marine Ecosystems

    Article • May 2005, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  80. Biosimplicity via stoichiometry: the evolution of food-web structure and processes

    Article • April 2005, Oxford University Press (OUP)

    Dr James Elser, Prof. Dag O. Hessen

  81. Elements of ecology and evolution

    Article • Oikos, February 2005, Wiley

    Dr James Elser, Prof. Dag O. Hessen

  82. Metabolic Stoichiometry and the Fate of Excess Carbon and Nutrients in Consumers

    Article • The American Naturalist, January 2005, University of Chicago Press

    Dr James Elser, Prof. Dag O. Hessen, Jotaro Urabe

  83. Severe food stress has no detectable impact on developmental instability inDaphnia magna

    Article • Oikos, December 2004, Wiley

    Prof. Dag O. Hessen, Leif Asbjørn Vøllestad

  84. Stoichiometry and population dynamics

    Article • Ecology Letters, August 2004, Wiley

    Dr James Elser, Prof. Dag O. Hessen

  85. CARBON SEQUESTRATION IN ECOSYSTEMS: THE ROLE OF STOICHIOMETRY

    Article • Ecology, May 2004, Wiley

    Dr James Elser, Prof. Dag O. Hessen

  86. Too Much Energy?1

    Article • Ecology, May 2004, Wiley

    Prof. Dag O. Hessen

  87. Circumpolar analysis of morphological and genetic diversity in the Notostracan Lepidurus arcticus

    Article • Hydrobiologia, May 2004, Springer Science + Business Media

    Prof. Dag O. Hessen

  88. Plant Exclusion of a Herbivore; Crayfish Population Decline caused by an Invading Waterweed

    Article • Biological Invasions, January 2004, Springer Science + Business Media

    Prof. Dag O. Hessen

  89. Allocation strategies in crustacean stoichiometry: the potential role of phosphorus in the limitation of reproduction

    Article • Freshwater Biology, October 2003, Wiley

    Prof. Dag O. Hessen

  90. How Daphnia copes with excess carbon in its food

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

    Prof. Dag O. Hessen

  91. Phytoplankton contribution to sestonic mass and elemental ratios in lakes: Implications for zooplankton nutrition

    Article • Limnology and Oceanography, May 2003, Wiley

    Prof. Dag O. Hessen

  92. Autotroph:herbivore biomass ratios; carbon deficits judged from plankton data

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

    Prof. Dag O. Hessen

  93. Image analysis of Daphnia populations: non-destructive determination of demography and biomass in cultures

    Article • Freshwater Biology, October 2002, Wiley

    Prof. Dag O. Hessen

  94. Calcium content of crustacean zooplankton and its potential role in species distribution

    Article • Freshwater Biology, October 2002, Wiley

    Prof. Dag O. Hessen

  95. Light, Nutrients, and P:C Ratios in Algae: Grazer Performance Related to Food Quality and Quantity

    Article • Ecology, July 2002, Wiley

    Prof. Dag O. Hessen

  96. UV Radiation and Arctic Ecosystems

    Article • January 2002, Springer Science + Business Media

    Prof. Dag O. Hessen

  97. The photoprotective role of humus-DOC for Selenastrum and Daphnia

    Article • January 2001, Springer Science + Business Media

    Prof. Dag O. Hessen

  98. UV radiation and low calcium as mutual stressors forDaphnia

    Article • Limnology and Oceanography, December 2000, Wiley

    Prof. Dag O. Hessen

  99. The costs of moulting inDaphnia;mineral regulation of carbon budgets

    Article • Freshwater Biology, October 2000, Wiley

    Prof. Dag O. Hessen

  100. Modelling ecological half-lives for radiocaesium in Norwegian brown trout populations

    Article • Journal of Applied Ecology, February 2000, Wiley

    Prof. Dag O. Hessen

  101. The effect of calcium concentration on the calcification of Daphnia magna

    Article • Limnology and Oceanography, December 1999, Wiley

    Prof. Dag O. Hessen

  102. UV-B susceptibility and photoprotection of Arctic Daphnia morphotypes

    Article • Polar Research, December 1999, Taylor & Francis

    Prof. Dag O. Hessen

  103. A scientific cocktail

    Article • Trends in Ecology & Evolution, May 1999, Elsevier

    Prof. Dag O. Hessen

  104. UV-B susceptibility and photoprotection of Arctic Daphnia morphotypes

    Article • Polar Research, January 1999, Taylor & Francis

    Prof. Dag O. Hessen

  105. Phosphorus distribution in three crustacean zooplankton species

    Article • Limnology and Oceanography, January 1999, Wiley

    Prof. Dag O. Hessen

  106. Food Webs and Carbon Cycling in Humic Lakes

    Article • January 1998, Springer Science + Business Media

    Prof. Dag O. Hessen

  107. Aquatic Humic Matter: from Molecular Structure to Ecosystem Stability

    Article • January 1998, Springer Science + Business Media

    Prof. Dag O. Hessen

  108. Humic Substances as Ecosystem Modifiers — Introduction

    Article • January 1998, Springer Science + Business Media

    Prof. Dag O. Hessen

  109. Aquatic Humic Substances

    Article • January 1998, Springer Science + Business Media

    Prof. Dag O. Hessen

  110. A model approach to planktonic stoichiometry and consumer-resource stability

    Article • Freshwater Biology, December 1997, Wiley

    Prof. Dag O. Hessen

  111. UV-induced changes in phytoplankton cells and its effects on grazers

    Article • Freshwater Biology, December 1997, Wiley

    Prof. Dag O. Hessen

  112. Response of surface microlayers to artificial acid precipitation in a meso-humic lake in Norway

    Article • Water Research, September 1997, Elsevier

    Prof. Dag O. Hessen

  113. Seasonal fluctuations and diurnal oscillations in nitrate of a heathland brook

    Article • Water Research, July 1997, Elsevier

    Prof. Dag O. Hessen

  114. Stoichiometry in Food Webs: Lotka Revisited

    Article • Oikos, May 1997, JSTOR

    Prof. Dag O. Hessen

  115. Competitive trade-off strategies in ArcticDaphnia linked to melanism and UV-B stress

    Article • Polar Biology, October 1996, Springer Science + Business Media

    Prof. Dag O. Hessen

  116. Competitive trade-off strategies in Arctic Daphnia linked to melanism and UV-B stress

    Article • Polar Biology, September 1996, Springer Science + Business Media

    Prof. Dag O. Hessen

  117. The use of field enclosure experiments to study the effect of pesticides on lake phytoplankton

    Article • Lakes & Reservoirs Science Policy and Management for Sustainable Use, September 1996, Wiley

    Prof. Dag O. Hessen

  118. The zooplankton story of humic Lake Skjervatjern during whole catchment acidification

    Article • Environment International, January 1996, Elsevier

    Prof. Dag O. Hessen

  119. Reduced digestibility of UV-B stressed and nutrient-limited algae by Daphnia magna

    Article • Hydrobiologia, July 1995, Springer Science + Business Media

    Prof. Dag O. Hessen

  120. Competition or niche segregation between Holopedium and Daphnia; empirical light on abiotic key parameters

    Article • Hydrobiologia, July 1995, Springer Science + Business Media

    Prof. Dag O. Hessen

  121. Carbon or nitrogen limitation in marine copepods?

    Article • Journal of Plankton Research, January 1995, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  122. Reduced digestibility of UV-B stressed and nutrient-limited algae by Daphnia magna

    Article • January 1995, Springer Science + Business Media

    Prof. Dag O. Hessen

  123. Competition or niche segregation between Holopedium and Daphnia; empirical light on abiotic key parameters

    Article • January 1995, Springer Science + Business Media

    Prof. Dag O. Hessen

  124. Growth responses, P-uptake and loss of flagellae in Chlamydomonas reinhardtii exposed to UV-B

    Article • Journal of Plankton Research, January 1995, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  125. Effects of UV-radiation of humic water on primary and secondary production

    Article • Water Air & Soil Pollution, June 1994, Springer Science + Business Media

    Prof. Dag O. Hessen

  126. Diatom kills by flagellates

    Article • Nature, February 1994, Nature

    Prof. Dag O. Hessen

  127. The effect of substrate stoichiometry on microbial activity and carbon degradation in humic lakes

    Article • Environment International, January 1994, Elsevier

    Prof. Dag O. Hessen

  128. The role of mineral nutrients for zooplankton nutrition: Reply to the comment by Brett

    Article • Limnology and Oceanography, September 1993, Wiley

    Prof. Dag O. Hessen

  129. Grazing resistance in nutrient-stressed phytoplankton

    Article • Oecologia, April 1993, Springer Science + Business Media

    Prof. Dag O. Hessen

  130. Nutrient Element Limitation of Zooplankton Production

    Article • The American Naturalist, November 1992, University of Chicago Press

    Prof. Dag O. Hessen

  131. Nitrogen and phosphorus excretion from the noble crayfish, Astacus astacus L., in relation to food type and temperature

    Article • Aquaculture, March 1992, Elsevier

    Prof. Dag O. Hessen

  132. Dissolved organic carbon in a humic lake: effects on bacterial production and respiration

    Article • Hydrobiologia, February 1992, Springer Science + Business Media

    Prof. Dag O. Hessen

  133. Acidification of the HUMEX Lake; Effects on epilimnetic pools and fluxes of carbon

    Article • Environment International, January 1992, Elsevier

    Prof. Dag O. Hessen

  134. Zooplankton contribution to particulate phosphorus and nitrogen in lakes

    Article • Journal of Plankton Research, January 1992, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  135. Dissolved organic carbon in a humic lake: effects on bacterial production and respiration

    Article • January 1992, Springer Science + Business Media

    Prof. Dag O. Hessen

  136. Life history, growth and production of Mysis relicta in the large, fiord-type Lake Mjøsa, Norway

    Article • Freshwater Biology, October 1991, Wiley

    Prof. Dag O. Hessen

  137. Carbon, nitrogen, and phosphorus content of freshwater zooplankton

    Article • Limnology and Oceanography, June 1991, Wiley

    Prof. Dag O. Hessen

  138. First Scandinavian Record of the Genus Speocyclops (Copepoda)

    Article • Journal of Crustacean Biology, January 1991, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  139. Calcium Uptake From Food and Water in the Crayfish Astacus Astacus (L., 1758), Measured By Radioactive 45Ca (Decapoda, Astacidea)

    Article • Crustaceana, January 1991, Brill

    Prof. Dag O. Hessen

  140. Bacteria as a source of phosphorus for zooplankton

    Article • Hydrobiologia, October 1990, Springer Science + Business Media

    Prof. Dag O. Hessen

  141. Biomanipulation and food-web dynamics — the importance of seasonal stability

    Article • Hydrobiologia, August 1990, Springer Science + Business Media

    Prof. Dag O. Hessen

  142. Niche overlap between herbivorous cladocerans; the role of food quality and habitat homogeneity

    Article • Hydrobiologia, February 1990, Springer Science + Business Media

    Prof. Dag O. Hessen

  143. Carbon, nitrogen and phosphorus status in Daphnia at varying food conditions

    Article • Journal of Plankton Research, January 1990, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  144. Biomanipulation and food-web dynamics — the importance of seasonal stability

    Article • January 1990, Springer Science + Business Media

    Prof. Dag O. Hessen

  145. Factors determining the nutritive status and production of zooplankton in a humic lake

    Article • Journal of Plankton Research, January 1989, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  146. Changes in gill ultrastructure and haemolymph chloride concentrations in the crayfish, Astacus astacus, exposed to de-acidified aluminium-rich water

    Article • Aquaculture, August 1988, Elsevier

    Prof. Dag O. Hessen

  147. Seasonal and Spatial Overlap between Cladocerans in Humic Lakes

    Article • International Review of Hydrobiology, January 1988, Wiley

    Prof. Dag O. Hessen

  148. Egg development and lifecycle timing in the noble crayfish (Astacus astacus)

    Article • Aquaculture, June 1987, Elsevier

    Prof. Dag O. Hessen

  149. Habitat use among size groups of monomorphic whitefishCoregonus lavaretus

    Article • Hydrobiologia, July 1986, Springer Science + Business Media

    Prof. Dag O. Hessen, Leif Asbjørn Vøllestad

  150. Food Size Spectra and Species Replacement within Herbivorous Zooplankton

    Article • International Review of Hydrobiology, January 1986, Wiley

    Prof. Dag O. Hessen

  151. The relation between bacterial carbon and dissolved humic compounds in oligotrophic lakes

    Article • FEMS Microbiology Letters, August 1985, Oxford University Press (OUP)

    Prof. Dag O. Hessen

  152. Filtering structures and particle size selection in coexisting Cladocera

    Article • Oecologia, June 1985, Springer Science + Business Media

    Prof. Dag O. Hessen

  153. Selective zooplankton predation by pre-adult roach (Rutilus rutilus): The size-selective hypothesis versus the visibility-selective hypothesis

    Article • Hydrobiologia, May 1985, Springer Science + Business Media

    Prof. Dag O. Hessen

  154. Effects of UV radiation in arctic and alpine freshwater ecosystems

    Article • Springer Science + Business Media

    Prof. Dag O. Hessen