16 augusti 2005

Raptor Information System "RIS is a keyworded catalog of over 33,000 references about the biology and management of birds of prey. It includes books, articles, theses, government reports, and other gray literature regarding raptors worldwide.
You can search by author, title, keyword, year of publication... or any combination of these fields. You can also search for articles on a particular raptor species by typing in the genus and the species or by referring to an extensive 4,000 keyword list."
En service från USGS, Forest and Rangeland Ecosystem Science Center, Snake River Field Station.

posted by åsa @ tisdag, augusti 16, 2005