00652cam a2200181 7i4500 0000041153 20041102090000.0 1566706467 QL 638 S2 B731 2004 Boreal shield watersheds : lake trout ecosystems in a changing environment edited by J.M. Gunn, R.J. Steedman, and R.A. Ryder. Boca Raton: Lewis Publishers, 2004. 501 p.: ill., maps; 26 cm.. Lake trout -- Ecology Lake ecology -- North America Steedman, Robert John Gunn, J. M. Ryder, R. A. 1100028255 Book Open Shelf KOLEKSI TERBUKA