Evaluating Goose-Dropping Density as an Index of Food-Consumption Volume along a Depletion Gradient

Autor:	Amano, Tatsuya, Ushiyama, Katsumi, Fujita, Go, Higuchi, Hiroyoshi
Zdroj:	Wildlife Society Bulletin (1973-2006), 2004 Oct 01. 32(3), 782-785.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3784802 Zobrazit plný text záznamu Plný text