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Detecting decline in a formerly widespread species: how common is the common blue butterfly Polyommatus icarus?
Jorge L. León-Cortés, Matthew J. R. Cowley, Chris D. ThomasVolume:
22
Year:
1999
Language:
english
Pages:
8
DOI:
10.1111/j.1600-0587.1999.tb00513.x
File:
PDF, 5.39 MB
english, 1999