A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fish Community and Habitat Responses in a Northern Wisconsin Brook Trout Stream 18 Years After Beaver Dam Removal. Study SSMQ
This 2-year study is a follow-up to 5 years of study in the 1980's and completes an 18-year study testing the hypothesis that removal of beaver dams and maintenance of free-flowing conditions in a badly damaged brook trout stream results in significant improvements in fish habitat, the fish community and the sport fishery. More than 200 beaver dams were removed from 10 miles of the N. Br. Pemebonwon River (Pemonee River) and 22 miles of its tributaries in the winter of 1982-1983. A total of 546 beaver dams were removed by the end of 1986 and a free-flowing system was maintained through 2000. Physical, chemical, biological, and sport fishery data were collected on the Pemonee River and 7 of its tributaries in 1982, 1984, 1986 and 2000. In 1986, four years after the initial dam removals, significant improvements in water temperatures, water chemistries, and brook trout (Salvelinus fontinalis) populations occurred in the smaller, higher gradient tributaries.
Fish Community and Habitat Responses in a Northern Wisconsin Brook Trout Stream 18 Years After Beaver Dam Removal. Study SSMQ
This 2-year study is a follow-up to 5 years of study in the 1980's and completes an 18-year study testing the hypothesis that removal of beaver dams and maintenance of free-flowing conditions in a badly damaged brook trout stream results in significant improvements in fish habitat, the fish community and the sport fishery. More than 200 beaver dams were removed from 10 miles of the N. Br. Pemebonwon River (Pemonee River) and 22 miles of its tributaries in the winter of 1982-1983. A total of 546 beaver dams were removed by the end of 1986 and a free-flowing system was maintained through 2000. Physical, chemical, biological, and sport fishery data were collected on the Pemonee River and 7 of its tributaries in 1982, 1984, 1986 and 2000. In 1986, four years after the initial dam removals, significant improvements in water temperatures, water chemistries, and brook trout (Salvelinus fontinalis) populations occurred in the smaller, higher gradient tributaries.
Fish Community and Habitat Responses in a Northern Wisconsin Brook Trout Stream 18 Years After Beaver Dam Removal. Study SSMQ
E. L. Avery (author)
2000
60 pages
Report
No indication
English
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