Bibliography

1

E. McGarrahan.
Much-studied butterfly winks out on Stanford preserve.
Science, 275:479-480, 1997.

2

D. D. Murphy, K. E. Freas, and S. B. Weiss.
An environment-metapopulation approach to population viability analysis for a threatened invertebrate.
Conservation Biology, 4:41-51, 1990.

3

C. D. Thomas, M. C. Singer, and D. A. Boughton.
Catastrophic extinction of population sources in a butterfly metapopulation.
American Naturalist, 148:957-975, 1996.

4

S.B. Weiss.
Cars, cows, and checkerspot butterflies: nitrogen deposition and management of nutrient-poor grasslands for a threatened species.
Conservation Biology, 13:1476-1486, 1999.

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