David Roy

My co-authors include

Professor Tim M Blackburn

Professor Philip E Hulme

My Publications

Developing the global potential of citizen science: Assessing opportunities that benefi...

Journal of Applied Ecology
October 2018

Developing a framework of minimum standards for the risk assessment of alien species

Journal of Applied Ecology
November 2017

Native ladybird decline caused by the invasive harlequin ladybird Harmonia axyridis : e...

Insect Conservation and Diversity
October 2017

In the shadow of the condor: invasive Harmonia axyridis found at very high altitude in...

Insect Conservation and Diversity
September 2017

Socio-economic impact classification of alien taxa (SEICAT)

Methods in Ecology and Evolution
July 2017

Global trade networks determine the distribution of invasive non-native species

Global Ecology and Biogeography
June 2017

Urban indicators for UK butterflies

Ecological Indicators
May 2017

Efficient occupancy model-fitting for extensive citizen-science data

PLoS ONE
March 2017

Fifty years of the Biological Records Centre

Biological Journal of the Linnean Society
June 2015

The contribution of volunteer recorders to our understanding of biological invasions

Biological Journal of the Linnean Society
March 2015

Reconciling biodiversity and carbon conservation

Ecology Letters
December 2012

Population resilience to an extreme drought is influenced by habitat area and fragmenta...

Ecography
October 2012

Multi-generational long-distance migration of insects: studying the painted lady butter...

Ecography
October 2012

Uncertainty in thermal tolerances and climatic debt

Nature Climate Change
August 2012

Protected areas facilitate species' range expansions

Proceedings of the National Academy of Sciences
August 2012

Climatic Associations of British Species Distributions Show Good Transferability in Tim...

PLoS ONE
July 2012

Habitat associations of thermophilous butterflies are reduced despite climatic warming

Global Change Biology
June 2012

The role of the North Atlantic Oscillation in controlling U.K. butterfly population siz...

Ecological Entomology
May 2012

Temperature-Dependent Alterations in Host Use Drive Rapid Range Expansion in a Butterfly

Science
May 2012

Habitat associations of species show consistent but weak responses to climate

Proceedings of the Royal Society B Biological Sciences
April 2012

Population density but not stability can be predicted from species distribution models

Journal of Applied Ecology
April 2012

Reduced variability in range-edge butterfly populations over three decades of climate w...

Global Change Biology
February 2012

Invasive alien predator causes rapid declines of native European ladybirds

Diversity and Distributions
February 2012

Differences in the climatic debts of birds and butterflies at a continental scale

Nature Climate Change
January 2012

Spatial covariation between freshwater and terrestrial ecosystem services

Ecological Applications
September 2011

Rapid Range Shifts of Species Associated with High Levels of Climate Warming

Science
August 2011

Inventory of terrestrial alien arthropod predators and parasites established in Europe

BioControl
August 2011

Balancing alternative land uses in conservation prioritization

Ecological Applications
July 2011

A novel parasitoid and a declining butterfly: cause or coincidence?

Ecological Entomology
March 2011

Measuring functional connectivity using long-term monitoring data

Methods in Ecology and Evolution
March 2011

The role of ‘Big Society’ in monitoring the state of the natural environment

Journal of Environmental Monitoring
January 2011

Habitat microclimates drive fine-scale variation in extreme temperatures

Oikos
December 2010

Error propagation associated with benefits transfer-based mapping of ecosystem services

Biological Conservation
November 2010

A new Red List of British butterflies

Insect Conservation and Diversity
October 2010

Butterfly abundance in a warming climate: patterns in space and time are not congruent

Journal of Insect Conservation
October 2010

Developing and launching a wider countryside butterfly survey across the United Kingdom

Journal of Insect Conservation
September 2010

The effects of habitat fragmentation on niche requirements of the marsh fritillary, Eup...

Journal of Insect Conservation
September 2010

Assessing the condition of lake habitats: a test of methods for surveying aquatic macro...

Hydrobiologia
September 2010

Synchrony of butterfly populations across species' geographic ranges

Oikos
September 2010

The development of butterfly indicators in the United Kingdom and assessments in 2010

Journal of Insect Conservation
September 2010

Turnover and trends in butterfly communities on two British tidal islands: stochastic i...

Journal of Biogeography
August 2010

Disentangling the role of environmental and human pressures on biological invasions acr...

Proceedings of the National Academy of Sciences
June 2010

How well do we understand the impacts of alien species on ecosystem services? A pan-Eur...

Frontiers in Ecology and the Environment
April 2010

Heterogeneous landscapes promote population stability

Ecology Letters
April 2010

The impact of proxy-based methods on mapping the distribution of ecosystem services

Journal of Applied Ecology
April 2010

Empirical realised niche models for British higher and lower plants - development and p...

Journal of Vegetation Science
March 2010

Representation of ecosystem services by tiered conservation strategies

Conservation Letters
February 2010

Trophic level asynchrony in rates of phenological change for marine, freshwater and ter...

Global Change Biology
January 2010

Plant extinctions and introductions lead to phylogenetic and taxonomic homogenization o...

Proceedings of the National Academy of Sciences
December 2009

Changes in habitat specificity of species at their climatic range boundaries

Ecology Letters
October 2009

Spatial covariance between biodiversity and other ecosystem service priorities

Journal of Applied Ecology
August 2009

Beyond biological control: non-pest insects and their pathogens in a changing world

Insect Conservation and Diversity
May 2009

Do urban areas act as foci for the spread of alien plant species? An assessment of temp...

Diversity and Distributions
March 2009

Surrogacy and persistence in reserve selection: landscape prioritization for multiple t...

Journal of Applied Ecology
February 2009

Changes in the composition of British butterfly assemblages over two decades

Global Change Biology
July 2008

The relative exploitation of annuals as larval host plants by European butterflies

Journal of Natural History
April 2008

Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid

BioControl
November 2007

Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-na...

BioControl
November 2007

Reduced-effort schemes for monitoring butterfly populations

Journal of Applied Ecology
October 2007

The changing status of the Chalkhill Blue butterfly Polyommatus coridon in the UK: the ...

Journal of Insect Conservation
July 2007

Government targets for protected area management: will threatened butterflies benefit?

Biodiversity and Conservation
June 2007

DIRECT AND INDIRECT EFFECTS OF CLIMATE AND HABITAT FACTORS ON BUTTERFLY DIVERSITY

Ecology
March 2007

Declines in forage availability for bumblebees at a national scale

Biological Conservation
October 2006

Altered geographic and temporal variability in phenology in response to climate change

Global Ecology and Biogeography
September 2006

Impacts of climate warming and habitat loss on extinctions at species' low-latitude ran...

Global Change Biology
August 2006

Species richness changes lag behind climate change

Proceedings of the Royal Society B Biological Sciences
June 2006

The effects of visual apparency on bias in butterfly recording and monitoring

Biological Conservation
April 2006

The distributions of a wide range of taxonomic groups are expanding polewards

Global Change Biology
March 2006

Methods for targeting the restoration of grazing marsh and wet grassland communities at...

Journal for Nature Conservation
January 2006

Does diet breadth control herbivorous insect distribution size? Life history and resour...

Journal of Insect Conservation
September 2005

Grazing management of calcareous grasslands and its implications for the conservation o...

Biological Conservation
September 2005

Effects on weed and invertebrate abundance and diversity of herbicide management in gen...

Proceedings of the Royal Society B Biological Sciences
March 2005

A northward shift of range margins in British Odonata

Global Change Biology
March 2005

The influence of temperature on migration of Lepidoptera into Britain

Global Change Biology
March 2005

Spatial patterns in species distributions reveal biodiversity change

Nature
November 2004

Occurrence of epiphytic bryophytes in a 'tetrad' transect across southern Britain. 2. A...

Journal of Bryology
September 2004

Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction ...

Science
March 2004

Host plants and butterfly biology. Do host-plant strategies drive butterfly status?

Ecological Entomology
February 2004

Invertebrate responses to the management of genetically modified herbicide-tolerant and...

Philosophical Transactions of the Royal Society B Biological Sciences
November 2003

Invertebrates and vegetation of field margins adjacent to crops subject to contrasting ...

Philosophical Transactions of the Royal Society B Biological Sciences
November 2003

On the rationale and interpretation of the Farm Scale Evaluations of genetically modifi...

Philosophical Transactions of the Royal Society B Biological Sciences
November 2003

Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in...

Philosophical Transactions of the Royal Society B Biological Sciences
November 2003

Weeds in fields with contrasting conventional and genetically modified herbicide-tolera...

Philosophical Transactions of the Royal Society B Biological Sciences
November 2003

Spatial trends in the sighting dates of British butterflies

International Journal of Biometeorology
August 2003

An introduction to the Farm-Scale Evaluations of genetically modified herbicide-toleran...

Journal of Applied Ecology
February 2003

Plant traits as predictors of performance in ecological restoration

Journal of Applied Ecology
February 2003

Hemeroby, urbanity and ruderality: bioindicators of disturbance and human impact

Journal of Applied Ecology
October 2002

Nature
November 2001

Application of generalized additive models to butterfly transect count data

Journal of Applied Statistics
September 2001

Density-distribution relationships in British butterflies. I. The effect of mobility an...

Journal of Animal Ecology
May 2001

Butterfly numbers and weather: predicting historical trends in abundance and the future...

Journal of Animal Ecology
March 2001

A method for estimating the extent of standing fresh waters of different trophic states...

Aquatic Conservation Marine and Freshwater Ecosystems
January 2001

Journal of Insect Conservation
January 2001

Phenology of British butterflies and climate change

Global Change Biology
April 2000

Extending Ellenberg's indicator values to a new area: an algorithmic approach

Journal of Applied Ecology
February 2000

Integrating species and habitat data for nature conservation in Great Britain: data sou...

Global Ecology and Biogeography
September 1999

Scope for strategic ecological assessment of trunk-road development in England with res...

Journal of Environmental Management
June 1998

Critical loads for nitrogen deposition for Great Britain

Water Air & Soil Pollution
December 1995