Search Results - "Roy, D.B."
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1
Differences in the climatic debts of birds and butterflies at a continental scale
Published in Nature climate change (01-02-2012)“…An analysis of annual variations in ecological community composition in several thousand plots distributed across Europe over two decades reveals that European…”
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2
northward shift of range margins in British Odonata
Published in Global change biology (01-03-2005)“…Many species are predicted to shift their ranges to higher latitudes and altitudes in response to climate warming. This study presents evidence for 37 species…”
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3
Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis
Published in Science (American Association for the Advancement of Science) (19-03-2004)“…There is growing concern about increased population, regional, and global extinctions of species. A key question is whether extinction rates for one group of…”
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4
Direct and indirect effects of climate and habitat factors on butterfly diversity
Published in Ecology (Durham) (01-03-2007)“…Many factors, including climate, resource availability, and habitat diversity, have been proposed as determinants of global diversity, but the links among them…”
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The effects of visual apparency on bias in butterfly recording and monitoring
Published in Biological conservation (01-04-2006)“…A basic assumption in conservation is that comparable data are available for species to facilitate risk assessment of extinction. However, the capacity for…”
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Grazing management of calcareous grasslands and its implications for the conservation of beetle communities
Published in Biological conservation (01-09-2005)“…Calcareous grasslands are an important habitat for floral and faunal communities in the UK and Europe. Declines due to changes in management, scrub invasion…”
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Correspondence: Uncertainty in thermal tolerances and climatic debt
Published in Nature climate change (2012)Get full text
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Spatial trends in the sighting dates of British butterflies
Published in International journal of biometeorology (01-08-2003)“…A strong relationship between appearance dates and temperature has been demonstrated over two decades for most British butterflies. Given this relationship…”
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Effects of urban land cover on the local species pool in Britain
Published in Ecography (Copenhagen) (01-10-1999)“…Regression models were used to quantify the relationship between the amount of urban land and composition of local species pools. There was no evidence that…”
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An Ecological Classification of British Butterflies: Ecological Attributes and Biotope Occupancy
Published in Journal of insect conservation (01-09-2001)“…We classify British butterflies using 136 non-biotope associated binary state ecological attributes describing all stages of butterfly life-cycles. Using…”
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Methods for targeting the restoration of grazing marsh and wet grassland communities at a national, regional and local scale
Published in Journal for nature conservation (2006)“…Grazing marsh has been recognised as a key habitat in the UK, and included within the Biodiversity Action Plan structure. In the present research, the…”
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A method for estimating the extent of standing fresh waters of different trophic states in Great Britain
Published in Aquatic conservation (01-05-2001)“…1. The total area of standing fresh water in Great Britain has been estimated at approximately 2400 km2. The aim of the work described in this paper was to…”
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Critical loads for nitrogen deposition for Great Britain
Published in WATER, AIR, & SOIL POLLUTION (01-12-1995)“…There is currently much interest in mapping critical loads for nitrogen deposition as part of a strategy for controlling nitrogen emissions. While nitrogen…”
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