IN CONTEXT

KEY FIGURE

Mark L. Shaffer (1949–)

BEFORE

1964 The IUCN publishes its first Red List of threatened mammal and bird species.

1965 In The Destruction of California, ecologist Raymond Dasmann charts the rapid loss of flora and fauna in the state.

1967 The Theory of Island Biogeography by Robert MacArthur and Edward O. Wilson explores island patterns of immigration and extinction.

AFTER

2003 Population viability analysis (PVA) of the Fender’s blue butterfly is used to guide conservation in the US.

2014 PVA studies in the Sonoran Desert, US, help assess the response of birds and reptiles to climate change.

Population viability analysis ...

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