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Bibby, T.J. (1983) Oviposition by the brimstone butterfly, Gonepteryx rhamni (L,) (Lepidoptera: Pieridae) in Monks Wood, Cambridgeshire in 1982. Entomologist's Gazette, 34, 229-234.

Bennie, J., Hodgson, J.A., Lawson, C.R., Holloway, C.T.R., Roy, D.B., Brereton, T., Thomas, C.D., Wilson, R.J. (2013). Range expansion through fragmented landscapes under a variable climate. Ecology Letters, 16(7), 921-929.

Bonsall, M., Dooley, C., Kasparson, A., Brereton, T., Roy, D.B. & Thomas, J.A. (2013). Allee effects and the spatial dynamics of a locally endangered butterfly, the high Brown Fritillary (Argynnis adippe). Ecological Applications (doi: 10.1890/13-0155.1)

Brakefield, P.M. (1987) Geographical variability in, and temperature effects on, the phenology of Maniola jurtina (Lepidoptera, Satyridae) in England and Wales. Ecological Entomology, 12, 139-148.

Brereton, T.M., Warren, M.S., Roy, D.B. & Stewart, K. (2008) The changing status of the Chalkhill Blue butterfly Polyommatus coridon in the UK: the impacts of conservation policies and environmental factors. Journal of Insect Conservation, 12, 629-638. 10.1007/s10841-007-9099-0

Brereton, T., Roy, D.B., Middlebrook, I., Botham, M. & Warren, M. (2011) The development of butterfly indicators in the United Kingdom and assessments in 2010. Journal of Insect Conservation, 15, 139-151. 10.1007/s10841-010-9333-z

Brereton, T.M., Cruickshanks, K.L., Risely, K., Noble, D.G. & Roy, D.B. (2011) Developing and launching a wider countryside butterfly survey across the United Kingdom. Journal of Insect Conservation, 15, 279-290. 10.1007/s10841-010-9345-8

Carstairs, D.N. (1989) Monitoring of butterflies at St. Cyrus National Nature Reserve, 1979-1983. Entomologist's Record, 101, 121-129. Chen, I.-C., Hill, J.K., Ohlemüller, R., Roy, D.B. and Thomas, C.D. (2011). Rapid range shifts of species associated with high levels of climate warming. Science, 333, 1024-102. 10.1126/science.1206432

Cowley, M.J.R., Thomas, C.D., Roy, D.B., Wilson, R.J., LeonCortes, J.L., Gutierrez, D., Bulman, C.R., Quinn, R.M., Moss, D., & Gaston, K.J. (2001) Density-distribution relationships in British butterflies. I. The effect of mobility and spatial scale. Journal of Animal Ecology, 70, 410-425.

Davies, H., Brereton, T.M., Roy, D.B. & Fox, R. (2007) Government targets for protected area management: will threatened butterflies benefit? Biodiversity and Conservation, 16, 3719-3736. 10.1007/s10531-007-9176-4

Davies, Z.G., Wilson, R.J., Brereton, T.M & Thomas, C.D. (2005) The re-expansion and improving status of the silver-spotted skipper butterfly (Hesperia comma) in Britain: a metapopulation success story. Biological Conservation, 124, 189-198. 10.1016/j.biocon.2005.01.029

Davis, B.N.K. (1989) Habitat recreation for butterflies on a landfill site. Entomologist, 108, 109-122. Dennis, R.L.H. (1985) Voltinism in British Aglais urticae (L.) (Lep: Nymphalidae): Variation in space and time. Proceedings and Transactions of the British Entomological and Natural History Society, 18, 51-61.

Dennis, R.L.H., Hodgson, J.G., Grenyer, R., Shreeve, T.G., & Roy, D.B. (2004) Host plants and butterfly biology. Do host-plant strategies drive butterfly status? Ecology Entomology, 29, 12-26.

Dennis, R. L. H., Dapporto, L., Sparks, T. H., Williams, S. R., Greatorex-Davies, J. N., Asher, J. and Roy, D. B. (2010) Turnover and trends in butterfly communities on two British tidal islands: stochastic influences and deterministic factors. Journal of Biogeography, 37, 2291–2304. 10.1111/j.1365-2699.2010.02380.x

Devictor, V., van Swaay, C., Brereton, T., Brotons, L., Chamberlain, D., Heliölä, J., Herrando, S., Julliard, R., Kuussaari, M., Lindström, Å., Reif, J., Roy, D., Schweiger, O., Settele, J., Stefanescu, C., van Strein, A., van Turnhout, C., Vermouzek, Z., Wallis De Vries, M., Wynhoff, & I., Jiguet, F. (2012) Differences in the climatic debts of birds and butterflies at a continental scale. Nature Climate Change, 2, 121-124. 10.1038/nclimate1347

Devictor, V., van Swaay, C., Brereton, T., Brotons, L., Chamberlain, D., Heliölä, J., Herrando, S., Julliard, R., Kuussaari, M., Lindström, Å., Reif, J., Roy, D., Schweiger, O., Settele, J., Stefanescu, C., van Strein, A., van Turnhout, C., Vermouzek, Z., Wallis De Vries, M., Wynhoff, & I., Jiguet, F. (2012) Uncertainty in thermal tolerances and climatic debt reply. Nature Climate Change, 2, 638-639

Diamond, S.E., Frame, A.M., Martin, R.A. & Buckley, L.B. (2011). Species’ traits predict phenological responses to climate change in butterflies. Ecology, 92, 1005-1012. 10.1890/10-1594.1

Dover, J.W., Sotherton, N., & Gobbett, K. (1990) Reduced pesticide inputs on cereal field margins: the effects on butterfly abundance. Ecological Entomology, 15, 17-24.

Dover, J.W., Sparks, T.H., & Greatorex-Davis, J.N. (1997) The importance of shelter for butterflies in open landscapes. Journal of Insect Conservation, 1, 89-97.

Elston, D. A., Nevison, I. M., Scott, W. A., Sier, A. R. J. and Morecroft, M. D. (2011) Power calculations for monitoring studies: a case study with alternative models for random variation. Environmetrics, 22, 618–625. 10.1002/env.1096

Fox, R., Warren, M.S., Brereton, T.M., Roy, D.B. & Robinson, A. (2011) A new red list of British butterflies. Insect Conservation and Diversity, 4 (3). 159-172. 10.1111/j.1752-4598.2010.00117.x

Franco, A.M.A., Hill, J.K., Kitschke, C., Collingham, Y.C., Roy, D.B., Fox, R., Huntley, B. & Thomas, C.D. (2006) Impacts of climate warming and habitat loss on extinctions at species' low-latitude range boundaries. Global Change Biology, 12, 1545-1553. 10.1111/j.1365-2486.2006.01180.x

Greatorex-Davis, J.N., Hall, M.L., Sparks, T.H., & Marrs, R.M. (1993) The influence of shade on butterflies in rides of coniferised lowland woods in southern England and implications for conservation management. Biological Conservation, 63, 31-41.

Gripenberg, S., Hamer, N., Brereton, T., Roy, D.B. & Lewis, O.T. (2011) A novel parasitoid and a declining butterfly: cause or coincidence? Ecological Entomology, 36, 271-281. 10.1111/j.1365-2311.2011.01269.x

Hodgson, J.A., Thomas, C.D., Oliver, T.H., Anderson, B.J., Crone, E.E. & Brereton, T.M. (2011) Predicting insect phenology across space and time. Global Change Biology, 17, 1289-1300. 10.1111/j.1365-2486.2010.02308.x

Isaac, N.J.B., Cruickshanks, K.L., Weddle, A.M., Rowcliffe, J.M., Brereton, T.M., Dennis, R.L.H., Shuker, D.M. & Thomas, C.D. (2011) Distance sampling and the challenge of monitoring butterfly populations. Methods in Ecology and Evolution, 2, 585-594. 10.1111/j.2041-210X.2011.00109.x Isaac, N.J.B., Girardello, M., Brereton, T.M. & Roy, D.B. (2011) Butterfly abundance in a warming climate: patterns in space and time are not congruent. Journal of Insect Conservation, 15, 233-240. 10.1007/s10841-010-9340-0

Kinnear, P.K. (1982) Flight time of ringlet Aphantopus hyperantus L. in Scotland. Entomologist's Record and Journal of Variation, 94, 236-237. Leverton, R. (1994) The large white, Pieris brassicae L. (Lep. Pieridae) apparently univoltine in Banffshire. Entomologist's Record, 106, 190-191.

Mair, L., Thomas, C.D., Anderson, B.J., Fox, R., Botham, M. & Hill, J.K. (2012) Temporal variation in responses of species to four decades of climate warming. Global Change Biology, 18, 2439-2447. DOI: 10.1111/j.1365-2486.2012.02730.x

Menendez, R., González-Megías, A., Hill, J.K., Braschler, B.,Willis, S.G., Collingham, Y., Fox, R., Roy, D.B. & Thomas, C.D. (2007) Species richness changes lag behind climate change. Proceedings of the Royal Society of London B-Biological Sciences, 273, 1465-1470. 10.1098/rspb.2006.3484

Menendez, R., González-Megías, A., Collingham, Y., Fox, R., Roy, D.B., Ohlemüller, R. & Thomas, C.D. (2007) Direct and indirect effects of climate and habitat factors on butterfly diversity. Ecology, 88, 605-611. 10.1890/06-0539

Menzel, A., Sparks, T.H., Estrella, N. & Roy, D.B. (2006) Altered geographic and temporal variability in phenology in response to climate change. Global Ecology and Biogeography, 15, 498-504. 10.1111/j.1466-822X.2006.00247.x

Morecroft, M.D., Bealey, C.E., Howells, O., Rennie, S., & Woiwod, I.P. (2002) Effects of drought on contrasting insect and plant species in the UK in the mid-1990s. Global Ecology and Biogeography, 11, 7-22.

Morecroft, M.D., Bealey, C.E., Beaumont, D.A., Benham, S., Brooks, D.R., Burt, T.P., Critchley, C.N.R., Dick, J., Littlewood, N.A., Monteith, D.T., Scott, W.A., Smith, R.I., Walmsley, C. & Watson, H. (2009) The UK Environmental Change Network: Emerging trends in the composition of plant and animal communities and the physical environment. Biological Conservation, 142, 2814-2832. 10.1016/j.biocon.2009.07.004

Mair, L., Thomas, C.D., Anderson, B.J., Fox, R., Botham, M. & Hill, J.K. (2012) Temporal variation in responses of species to four decades of climate warming. Global Change Biology, 18, 2439-2447. 10.1111/j.1365-2486.2012.02730.x

Moss, D. & Pollard, E. (1993) Calculation of collated indices of abundance of butterflies based on monitored sites. Ecological Entomology, 18, 77-83.

Oliver, T., Hill, J.K., Thomas, C.D., Brereton, T. & Roy, D.B. (2009) Changes in habitat specificity of species at their climatic range boundaries. Ecology letters, 12, 1091-1102. 10.1111/j.1461-0248.2009.01367.x

Oliver, T., Roy, D.B., Hill, J.K., Brereton, T. & Thomas, C.D. (2010) Heterogeneous landscapes promote population stability. Ecology Letters, 13, 473-484. 10.1111/j.1461-0248.2010.01441.x

Oliver, T., Roy, D.B., Brereton, T. & Thomas, J.A. (2012) Reduced variability in range-edge butterfly populations over three decades of climate warming. Global Change Biology 18, 1531-1539. 10.1111/j.1365-2486.2012.02737.x

Oliver, T.H., Gillings, S., Girardello, M., Rapacciuolo, G., Brereton, T.M., Siriwardena, G.M., Roy, D.B., Pywell, R. & Fuller, R.J. (2012) Population density but not stability can be predicted from species distribution models. Journal of Applied Ecology, 49, 581-590. 10.1111/j.1365-2664.2012.02138.x

Oliver, T.H., Brereton, T. & Roy, D.B. (2013) Population resilience to an extreme drought is influenced by habitat area and fragmentation in the local landscape. Ecography, 36, 579-586. DOI: 10. 1111/j.1600-0587.2012.07665.x

Oliver, T.H., Thomas, C.D., Hill, J.K., Brereton, T. & Roy, D.B. (2012) Habitat associations of thermophilous butterflies are reduced despite climatic warming. Global Change Biology, 18, 2720-2729. 10.1111/j.1365-2486.2012.02737.x

Pateman, R.M., Hill, J.K., Roy, D.B., Fox, R. & Thomas, C.D. (2012) Temperature-dependent alterations in host use drive rapid range expansion in a butterfly. Science 336, 1028-1030. 10.1126/science.1216980

Pollard, E. (1977) A method of assessing changes in the abundance of butterflies. Biological Conservation, 12, 115-134.

Pollard, E. (1979a) A national scheme for monitoring the abundance of butterflies. The first three years. Proceedings and Transactions of the British Entomological and Natural History Society, 12, 77-90.

Pollard, E. (1979b) Population ecology and change in range of the white admiral butterfly Ladoga camilla. L. in England. Ecological Entomology, 4, 61-74.

Pollard, E. (1981a) Aspects of the ecology of the meadow brown butterflies, Maniola jurtina (L.) (Lepidoptera: Satyridae). Entomologist's Gazette, 32, 67-74.

Pollard, E. (1981b) Monitoring changes in butterfly numbers. Atala, 7, 68-69.

Pollard, E. (1982a) Monitoring butterfly abundance in relation to the management of a nature reserve. Biological Conservation, 24, 317-328.

Pollard, E. (1982b) Observations on the migratory behaviour of the Painted Lady butterfly, Vanessa cardui (L.) (Lepidoptera: Nymphalidae). Entomologist's Gazette, 33, 99-103.

Pollard, E. (1984a) Fluctuations in the abundance of butterflies 1976-1982. Ecological Entomology, 9, 179-188.

Pollard, E. (1988) Temperature, rainfall and butterfly numbers. Journal of Applied Ecology, 25, 819-828.

Pollard, E. (1991a) Changes in the flight period of the Hedge Brown butterfly Pyronia tithonus during range expansion. Journal of Animal Ecology, 60, 737-748.

Pollard, E. (1994) Was it a migration?: the exceptional abundance of the large white butterfly Pieris brassicae (L.) in 1992. The Entomologist, 113, 211-216.

Pollard, E. & Cooke, A.S. (1994) Impact of muntjac deer Muntiacus reevesi on egg-laying sites of the white admiral butterfly Ladoga camilla in a Cambridgeshire wood. Biological Conservation, 70, 189-191.

Pollard, E., Elias, D.O., Skelton, M.J., & Thomas, J.A. (1975) A method of assessing the abundance of butterflies in Monks Wood NNR in 1973. Entomologists Gazette, 26, 76-88.

Pollard, E. (1991c) Synchrony of population fluctuations: the dominant influence of widespread factors on local butterfly populations. Oikos, 60, 7-10.

Pollard, E. & Greatorex-Davies, J.N. (1997b) Flight-periods of the small heath butterfly, Coenonympha pamphilus (Linnaeus) (Lepidoptera: Nymphalidae, Satyrinae) on chalk downs and in woodland in southern England. Entomologist's Gazette, 48, 3-7.

Pollard, E. & Greatorex-Davies, J.N. (1998a) Increased abundance of the red admiral butterfly Vanessa atalanta in Britain: the role of immigration, overwintering and breeding with the country. Ecology Letters, 1, 77-81.

Pollard, E., Greatorex-Davies, J.N., & Thomas, J.A. (1997) Drought reduces breeding success of the butterfly Aglais urticae. Ecological Entomology, 22, 315-318.

Pollard, E. & Hall, M.L. (1980) Possible movement of Gonepteryx rhamni (L) (lepidoptera: Pieridae) between hibernation and breeding. Entomologists Gazette, 31, 217-220.

Pollard, E. & Hall, M.L. (1989) Butterfly monitoring in 1988. Entomologist, 108, 229-243. Entomologist's Gazette, 35, 227-234.

Pollard, E., Hall, M.L., & Bibby, T.J. (1984) The clouded yellow butterfly migration of 1983. Entomologist's Gazette, 227-234.

Pollard, E., Hall, M.L., & Bibby, T.J. (1986a) The clouded yellow migration of 1983.

Pollard, E. & Moss, D. (1995) Historical records of the occurance of butterflies in Britain: examples showing assocciations between annual number of records and weather. Global Change Biology, 1, 107-113.

Pollard, E., Moss, D., & Yates, T.J. (1995) Population trends of common British butterflies at monitored sites. Journal of Applied Ecology, 32, 9-16.

Pollard, E. & Rothery, P. (1994) A simple stochastic model of resource-limited insect populations. Oikos, 69, 287-294.

Pollard, E., Rothery, P., & Yates, T.J. (1996) Annual growth rates in newly established populations of the butterfly Pararge aegeria. Ecological Entomology, 21, 365-369.

Pollard, E., Van Swaay, C.A.M., Stefanescu, C., Lundsten, K.E., Maes, D., & Greatorex-Davies, J.N. (1998b) Migration of the painted lady butterfly Cynthia cardui in Europe: evidence from monitoring. Diversity and Distributions, 4, 243-253.

Pollard, E., Van Swaay, C.A.M., & Yates, T.J. (1993) Changes in butterfly numbers in Great Britain and the Netherlands 1900-1991. Ecological Entomology, 18, 93-94.

Pollard, E., Woiwod, I.P., Greatorex-Davies, J.N., Yates, T.J., & Welch, R.C. (1998c) The spread of coarse grasses and changes in numbers of lepidoptera in a woodland nature reserve. Biological Conservation, 84, 17-24.

Pollard, E. & Yates, T.J. (1992) The extinction and foundation of local butterfly populations in relation to population variability and other factors. Ecological Entomology, 17, 249-254.

Pollard, E. & Yates, T.J. (1993c) Population fluctuations of the holly blue butterfly Calestrina argiolus (L.) (Lepidoptera: Lycaenidae). Entomologists Gazette.

Powney, G.D., Roy, D.B., Chapman, D. & Oliver, T.H. (2010) Synchrony of butterfly populations across species’ geographic ranges. Oikos, 119, 1690-1696. 10.1111/j.1600-0706.2010.18168.x

Powney, G.D., Roy, D.B., Chapman, D., Brereton, T. & Oliver, T.H. (2011) Measuring functional connectivity using long-term monitoring data. Methods in Ecology and Evolution, 2, 527-533. 10.1111/j.2041-210X.2011.00098.x

Powney, G.D., Broaders, L.K. & Oliver, T.H. (2012) Towards a measure of functional connectivity: local synchrony matches small scale movements in a woodland edge butterfly. Landscape Ecology, 27, 1109-1120. 10.1007/s10980-012-9771-y

Rothery, P., Newton, I., Dale, L., & Wesolowski, T. (1997) Testing for density dependence allowing for weather effects. Oecologia, 112, 518-523.

Rothery, P. & Roy, D.B. (2001) Application of generalized additive models to butterfly transect count data. Journal of Applied Statistics, 28, 897-909.

Roy, D.B. & Sparks, T.H. (2000) Phenology of British butterflies and climate change. Global Change Biology, 6, 407-416.

Roy, D.B., Rothery, P., Moss, D., Pollard, E., & Thomas, J.A. (2001) Butterfly numbers and weather: predicting historical trends in abundance and the future effects of climate change. Journal of Animal Ecology, 70, 201-217.

Roy, D.B. & Thomas, J.A. (2003) Seasonal variation in the niche, habitat availability and population fluctuations of a bivoltine thermophilous insect near its range margin. Oecologia, 134, 439-444.

Roy, D. B., Rothery, P. & Brereton, T. (2007) Reduced-effort schemes for monitoring butterfly populations. Journal of Applied Ecology, 44, 993-1000. 10.1111/j.1365-2664.2007.01340.x

Shreeve, T., Dennis, R.L.H., Roy, D.B., & Moss, D. (2001) An ecological classification of British butterflies: ecological attributes and biotope occupancy. Journal of Insect Conservation, 5, 145-161.

Smart, S.M., Firbank, L.G., Bunce, R.G.H., & Watkins, J.W. (2000) Quantifying changes in abundance of food plants for butterfly larvae and farmland birds. Journal of Applied Ecology, 37, 398-414.

Soulsby, R.L. & Thomas, J.A. (2012) Insect population curves: modelling and application to butterfly transect data. Methods in Ecology and Evolution, 3, 823-841. DOI: 10.1111/j.2041-210X.2012.00227.x

Sparks, T.H., Roy, D.B., & Mason, C.F. (2000) Phenology in Essex: lessons from the past and examples of recent trends. Essex Naturalist, 17, 31-37.

Sparks, T.H. & Yates, T.J. (1997) The effect of spring temperature on the appearance dates of British butterflies 1883-1993. Ecography, 20, 368-374.

Stefanescu, C., Páramo, F., Åkesson, S., Alarcón, M., Ávila, A., Brereton, T., Carnicer, J., Cassar, L. F., Fox, R., Heliölä, J., Hill, J. K., Hirneisen, N., Kjellén, N., Kühn, E., Kuussaari, M., Leskinen, M., Liechti, F., Musche, M., Regan, E. C., Reynolds, D. R., Roy, D. B., Ryrholm, N., Schmaljohann, H., Settele, J., Thomas, C. D., van Swaay, C. and Chapman, J. W. (2013), Multi-generational long-distance migration of insects: studying the painted lady butterfly in the Western Palaearctic. Ecography, 36, 474–486. 10.1111/j.1600-0587.2012.07738.x

Suggitt, A.J., Stefanescu, C., Paramo, F., Oliver, T., Anderson, B.J., Hill, J.K., Roy, D.B., Brereton, T. & Thomas, C.D. (2012) Habitat associations of species show consistent but weak responses to climate. Biology Letters, 8, 590-593. 10.1098/rsbl.2012.0112

Sutcliffe, O.L., Thomas, C.D., & Moss, D. (1996) Spatial synchrony and asynchrony in butterfly population dynamics. Journal of Animal Ecology, 65, 85-95.

Sutcliffe, O.L., Thomas, C.D., Yates, T.J., & Greatorex-Davies, J.N. (1997) Correlated extinctions, colonizations and population fluctuations in a highly connected ringlet butterfly metapopulation. Oecologia, 109, 235-241.

Taylor, M.E. & Morecroft, M.D. (2009) Effects of agri-environment schemes in a long-term ecological time series. Agriculture, Ecosystems & Environment, 130, 9-15. 10.1016/j.agee.2008.11.004

Thackeray, S.J., Sparks, T.H., Fredreiksen, M., Burthe, S., Bacon, P.J., Bell, J.R., Botham, M.S., Brereton, T.M., Bright, P.W., Carvalho, L., Clutton-Brock, T., Dawson, A., Edwards, M., Elliott, J. M., Harrington, R., Johns, D., Jones, I.D., Jones, J.T., Leech, D.I., Roy, D.B., Scott, W.A., Smith, M., Smithers, R.J., Winfield, I.J. & Wanless, S. (2010) Trophic level asynchrony in rates of phenological change for marine, freshwater and terrestrial environments. Global Change Biology, 16, 3304-3313. 10.1111/j.1365-2486.2010.02165.x

Thomas, C.D. (1991) Spatial and temporal variability in a butterfly population. Oecologia, 87, 577-580.

Thomas, J.A. (1983a) The ecology and conservation of Lysandra bellargus (Lepidoptera, Lycaenidae) in Britain. Journal of Applied Ecology, 20, 59-83.

Thomas, J.A. (1983b) The ecology and status of Thymelicus acteon (Lepidoptera, Hesperiidae) in Britain. Ecological Entomology, 8, 427-435.

Thomas, J.A. (1983c) A quick method of estimating butterfly numbers during surveys. Biological Conservation, 27, 195-211.

Thomas, J.A. (1984) Changes in the status of the Adonis blue and Lulworth skipper in Dorset. Proceedings of the Dorset Natural History and Archaeological Society, 106, 93-96.

Thomas, J.A., Moss, D., & Pollard, E. (1994) Increased fluctuations of butterfly populations towards the northern edges of species ranges. Ecography, 17, 215-220.

Thomas, J.A., Telfer, M.G., Roy, D.B., Preston, C.D., Greenwood, J.J.D., Asher, J., Fox, R., Clarke, R.T., and Lawton, J.H. (2004). Comparative losses of British butterflies, birds, and plants and the global extinction crisis. Science, 303, 1879-1881.

van Strein, A.J., van de Pavert, R., Moss, D., Yates, T.J., van Swaay, C.A.M., & Vos, P. (1997) The statistical power of two butterfly monitoring schemes to detect trends. Journal of Animal Ecology, 34, 817-828.

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Warren, M.S., Hill, J.K., Thomas, J.A., Asher, J., Fox, R., Huntley, B., Roy, D.B., Telfer, M.G., Jeffcoate, S., Harding, P., Jeffcoate, G., Willis, S.G., Greatorex-Davies, J.N., Moss, D., & Thomas, C.D. (2001) Rapid responses of British butterflies to opposing forces of climate and habitat change. Nature, 414, 65-69. 10.1038/35102054

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Westgarth-Smith, A.R., Roy, D.B., Scholze, M., Tucker, A. & Sumpter, J.P. (2012) The role of the North Atlantic Oscillation in controlling U.K. butterfly population size and phenology. Ecological Entomology, 37, 221-232. 10.1111/j.1365-2311.2012.01359.x

Willis, S. G., Hill, J. K., Thomas, C. D., Roy, D. B., Fox, R., Blakeley, D. S. and Huntley, B. (2009) Assisted colonization in a changing climate: a test-study using two U.K. butterflies. Conservation Letters, 2, 46–52. 10.1111/j.1755-263X.2008.00043.x

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Wilson, R.J. & Roy, D.B. (2011) Butterflies reset the calendar. Nature Climate Change, 1, 101-102. 10.1038/nclimate1087

Woodcock, B.A., Bullock, J.M., Mortimer, S.R., Brereton, T., Redhead, J.W., Thomas, J.A. & Pywell, R.F. (2012) Identifying time lags in the restoration of grassland butterfly communities: a multi-site assessment. Biological Conservation, 155, 50-58. 10.1016/j.biocon.2012.05.013

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The UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation (BC), the UK Centre for Ecology and Hydrology (CEH), the British Trust for Ornithology (BTO), and the Joint Nature Conservation Committee (JNCC). The UKBMS is indebted to all volunteers who contribute data to the scheme.