Did you know that Ontario has nine species of crayfish? Elusive and all too often overlooked, these fascinating creatures can tell us a lot about what is happening in our aquatic ecosystems. These beautiful guides assist the study of crayfish in the field, highlighting the unique characteristics of each species.
You are browsing archives for
Tag: crayfish
Seasons Magazine Summer 1994
DEPARTMENTS 2 | President’s Page Conservation at many levels. By John Cartwright 7 | Earth Watch Five years and $20 million later, it’s business as usual; signs of rebirth for the Ontario park system; wetlands home to Black Terns—and treated effluent; revisions to Escarpment Plan go to cabinet; sustainable forestry gets a boost; is draft […]