![](/img/cover-not-exists.png)
Where Have All the Crangonyx Gone? The Disappearance of the Amphipod Crangonyx pseudogracilis, and Subsequent Appearance of Gammarus nr. fasciatus, in the Ohio River
David C. Beckett, Philip A. Lewis and James H. GreenVolume:
139
Language:
english
Journal:
American Midland Naturalist
DOI:
10.2307/2426677
Date:
April, 1998
File:
PDF, 861 KB
english, 1998