Of detectability and camouflage: evaluating Pollard Walk rules using a common, cryptic butterfly

J. A. BROWN, M. S. BOYCE, Line transect sampling of Karner blue butterflies ( Lycaeides melissa samuelis) Environmental and Ecological Statistics. ,vol. 5, pp. 81- 91 ,(1998) , 10.1023/A:1009620105039

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

Piotr Nowicki, Josef Settele, Pierre-Yves Henry, Michal Woyciechowski, Butterfly monitoring methods: the ideal and the real world Israel Journal of Ecology & Evolution. ,vol. 54, pp. 69- 88 ,(2008) , 10.1560/IJEE.54.1.69

Kenneth F. Kellner, Robert K. Swihart, Accounting for imperfect detection in ecology: a quantitative review. PLOS ONE. ,vol. 9, ,(2014) , 10.1371/JOURNAL.PONE.0111436

F. W. Preston, The Commonness, And Rarity, of Species Ecology. ,vol. 29, pp. 254- 283 ,(1948) , 10.2307/1930989

Gurutzeta Guillera-Arroita, José J. Lahoz-Monfort, Darryl I. MacKenzie, Brendan A. Wintle, Michael A. McCarthy, Ignoring Imperfect Detection in Biological Surveys Is Dangerous: A Response to 'Fitting and Interpreting Occupancy Models' PLOS ONE. ,vol. 9, ,(2014) , 10.1371/JOURNAL.PONE.0099571

Emily B. Dennis, Stephen N. Freeman, Tom Brereton, David B. Roy, Indexing butterfly abundance whilst accounting for missing counts and variability in seasonal pattern Methods in Ecology and Evolution. ,vol. 4, pp. 637- 645 ,(2013) , 10.1111/2041-210X.12053

Eleni Matechou, Emily B. Dennis, Stephen N. Freeman, Tom Brereton, Monitoring abundance and phenology in (multivoltine) butterfly species: a novel mixture model Journal of Applied Ecology. ,vol. 51, pp. 766- 775 ,(2014) , 10.1111/1365-2664.12208

MARC KÉRY, MATTHIAS PLATTNER, Species richness estimation and determinants of species detectability in butterfly monitoring programmes Ecological Entomology. ,vol. 32, pp. 53- 61 ,(2007) , 10.1111/J.1365-2311.2006.00841.X

Peter Rothery, David B. Roy, Application of generalized additive models to butterfly transect count data Journal of Applied Statistics. ,vol. 28, pp. 897- 909 ,(2001) , 10.1080/02664760120074979