00000nam 2200000za 4500 9.611663 CaOODSP 20240527135427 ta 150406|1996||||xxc||||| f|0| 0 eng d 0-662-22743-3 0831-6481 CaOODSP eng n-cn--- CW69-5/217E Canadian Wildlife Service. Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991: Part 4 : Marsh-nesting terns on Lake Huron and the lower Great Lakes system in 1991 / by Madeline J. Austen et al. Issued by the Ontario Region. Ottawa - Ontario : Environment Canada. 1996. iii, 75p. : maps, references, tables ; 28 cm. Technical report 0831-6481 217 "During the 1991 breeding season, a survey was conducted of marsh-nesting Forster's Terns (Sterna forsteri) and Black Terns (Chlidonias niger) in the Canadian Great Lakes. The survey area consisted of the shoreline marshes (i.e., marshes within 5 km of the shoreline) of the Canadian portions of Lake Huron(excluding the North Channel), St. Clair River, Lake St. Clair, Detroit River, Lake Erie, Niagara River, Lake Ontario, and the St. Lawrence River downstream to Cornwall."--Abstract. During the 1991 breeding season, a survey was conducted of marsh-nesting Forster's Terns (Sterna forsteri) and Black Terns (Chlidonias niger) in the Canadian Great Lakes. The survey area consisted of the shoreline marshes (i.e., marshes within 5 km of the shoreline) of the Canadian portions of Lake Huron(excluding the North Channel), St. Clair River, Lake St. Clair, Detroit River, Lake Erie, Niagara River, Lake Ontario, and the St. Lawrence River downstream to Cornwall.--Abstract Issued also in electronic format. Résumés en français Softcover 96-33 1996-08-16 Birds gcpds Austen, Madeline J. Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991. (CaOODSP)9.857548 Technical report, 0831-6481 217 (CaOODSP)9.514491