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pro vyhledávání: '"Ellen Jacquart"'
Autor:
Fiona Becker, Derek Luchik, Robert Littiken, Ted Anchor, John A. Shuey, Alyssa Nyberg, Ellen Jacquart, Stuart Orr
Publikováno v:
Journal of Insect Conservation. 20:773-780
The butterfly Speyeria idalia was once a widespread species in the midwestern United States, but declined precipitously during the 1980s. By the early 1990s in NW Indiana and adjacent NE Illinois, it was reduced to a single site where it persisted as
Autor:
Laura Van Riper, Kelly Kearns, Amanda Buerger, Katherine M. Howe, Robert E. Schutzki, Christopher W. Evans, Ellen Jacquart, Theresa M. Culley, Monika Chandler
Publikováno v:
Invasive Plant Science and Management. 9:41-54
Several states in the Midwestern United States are using risk assessment to determine the invasiveness of introduced plant species, and each assessment process is different. This may lead to differences in results for the same species between states,