海量图书期刊资源，随时随地畅享阅读乐趣
The Atna River: Studies in an Alpine—Boreal Watershed || Niche overlap between young brown trout (Salmo trutta) and Siberian sculpin (Cottus poecilopus) in a subalpine Norwegian riverSandlund, Odd T.; Aagaard, Kaare · 2004