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a j derksen

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The Past, Present, and Projected Demands on Manitoba's Freshwater Fish Resources

D. J. Green, A. J. Derksen, Manitoba. Dept. of Natural Resources, Manitoba. Fisheries Branch · Manitoba Department of Natural Resources

200 sayfa · 1984

Fisheries

CiltAn Evaluation of the Fairford Dam Fishway, May-June 1987, with Observations on Fish Movements and Sport Fishing in the Fairford RiverBilinmeyen yazar

An Evaluation of the Fairford Dam Fishway, May-June 1987, with Observations on Fish Movements and Sport Fishing in the Fairford River

Bilinmeyen yazar · Yayınevi bilinmiyor

55 sayfa · 1988

Kategori yok

FishesEffects of Mercury on the Aquatic Environment and FishA. J. Derksen, Manitoba. Environmental Management Division

Effects of Mercury on the Aquatic Environment and Fish

A. J. Derksen, Manitoba. Environmental Management Division · Yayınevi bilinmiyor

36 sayfa · 1973

Fishes

Cedar Lake (Man.)A Report on the Results of Experimental Gillnetting in Cedar Lake in August, 1972 and Prospects for a Commercial Fishery with Particular Reference to Northern PikeA. J. Derksen, Manitoba. Fisheries Management Branch

A Report on the Results of Experimental Gillnetting in Cedar Lake in August, 1972 and Prospects for a Commercial Fishery with Particular Reference to Northern Pike

A. J. Derksen, Manitoba. Fisheries Management Branch · Yayınevi bilinmiyor

72 sayfa · 1978

Cedar Lake (Man.)

CiltVariations in Abundance of Walleyes, Stizostedion Vitreum Vitreum (Mitchill), in Cedar and Moose Lakes, Manitoba [microform]A. J. Derksen

Variations in Abundance of Walleyes, Stizostedion Vitreum Vitreum (Mitchill), in Cedar and Moose Lakes, Manitoba [microform]

A. J. Derksen · National Library of Canada

196 sayfa · 1967

Kategori yok

CiltVariations in Abundance of Walleyes, Stizostedion Vitreum Vitreum (Mitchell), in Cedar and Moose Lakes, ManitobaA. J. Derksen

Variations in Abundance of Walleyes, Stizostedion Vitreum Vitreum (Mitchell), in Cedar and Moose Lakes, Manitoba

A. J. Derksen · Yayınevi bilinmiyor

Sayfa sayısı yok · 2012

Kategori yok

FishesA Report on the Preliminary Testing of Mercury Contamination in Fishes from the Hudson Bay Drainage System Connected with ManitobaA. J. Derksen, Manitoba. Fisheries Management Branch

A Report on the Preliminary Testing of Mercury Contamination in Fishes from the Hudson Bay Drainage System Connected with Manitoba

A. J. Derksen, Manitoba. Fisheries Management Branch · Yayınevi bilinmiyor

80 sayfa · 1978

Fishes

FishesThe Use of Mercurials for Turf Fungicides on Golf Courses and Its Possible Contribution to Mercury Pollution with Special Reference to Clear Lake and Falcon Lake, ManitobaA. J. Derksen, Manitoba. Department of Renewable Resources and Transportation Services. Fisheries Research

The Use of Mercurials for Turf Fungicides on Golf Courses and Its Possible Contribution to Mercury Pollution with Special Reference to Clear Lake and Falcon Lake, Manitoba

A. J. Derksen, Manitoba. Department of Renewable Resources and Transportation Services. Fisheries Research · Yayınevi bilinmiyor

30 sayfa · 1978

Fishes

Big Grass Marsh (Man.)Utilization of the Big Grass Marsh Area by Fish Populations and Proposals for Fisheries EnhancementA. J. Derksen, Manitoba. Fisheries Management Branch

Utilization of the Big Grass Marsh Area by Fish Populations and Proposals for Fisheries Enhancement

A. J. Derksen, Manitoba. Fisheries Management Branch · Yayınevi bilinmiyor

110 sayfa · 1978

Big Grass Marsh (Man.)

CiltA Literature Review of Life Histories of Some Species of Fish ... that May be Introduced Into the Hudson Bay Watershed from the Missouri River Watershed as a Result of the Garrison DiversionBilinmeyen yazar

A Literature Review of Life Histories of Some Species of Fish ... that May be Introduced Into the Hudson Bay Watershed from the Missouri River Watershed as a Result of the Garrison Diversion

Bilinmeyen yazar · Yayınevi bilinmiyor

180 sayfa · 1980

Kategori yok

CulvertsEvaluation of Fish Passage Through Culverts at the Goose Creek Road Crossing Near Churchill, Manitoba, in April and May, 1977A. J. Derksen, Manitoba. Department of Natural Resources

Evaluation of Fish Passage Through Culverts at the Goose Creek Road Crossing Near Churchill, Manitoba, in April and May, 1977

A. J. Derksen, Manitoba. Department of Natural Resources · Yayınevi bilinmiyor

103 sayfa · 1980

Culverts

DamsFisheries (Manitoba)A. J. Derksen

Fisheries (Manitoba)

A. J. Derksen · Yayınevi bilinmiyor

Sayfa sayısı yok · 1975

Dams

CiltAn Assessment of the Lake Winnipegosis Walleye Rearing Ponds and Their Contribution to the Lake Winnipegosis Commercial FisheryD. J. Green

An Assessment of the Lake Winnipegosis Walleye Rearing Ponds and Their Contribution to the Lake Winnipegosis Commercial Fishery

D. J. Green · Yayınevi bilinmiyor

96 sayfa · 1982

Kategori yok

Environmental monitoringMercury Monitoring of Fishes and Waters from the Assiniboine Drainage System in Manitoba, 1970-1972A. J. Derksen

Mercury Monitoring of Fishes and Waters from the Assiniboine Drainage System in Manitoba, 1970-1972

A. J. Derksen · Yayınevi bilinmiyor

98 sayfa · 1973

Environmental monitoring

FishesA Summary Report of Mercury Contamination in Fishes from Manitoba Waters to March, 1971A. J. Derksen, Manitoba. Department of Mines, Natural Resources and Environment

A Summary Report of Mercury Contamination in Fishes from Manitoba Waters to March, 1971

A. J. Derksen, Manitoba. Department of Mines, Natural Resources and Environment · Yayınevi bilinmiyor

43 sayfa · 1979

Fishes

Fish populationsBiological Surveys of Buffalo and Little Limestone Lakes, 1973-1974A. J. Derksen, D. G. Gillies, Manitoba. Department of Mines, Natural Resources and Environment

Biological Surveys of Buffalo and Little Limestone Lakes, 1973-1974

A. J. Derksen, D. G. Gillies, Manitoba. Department of Mines, Natural Resources and Environment · Yayınevi bilinmiyor

90 sayfa · 1979

Fish populations

Lake whitefishPreliminary Results in the Development of a Photoelectric Method for Enumerating Live Whitefish and Walleye FryD. G. Gillies, A. J. Derksen

Preliminary Results in the Development of a Photoelectric Method for Enumerating Live Whitefish and Walleye Fry

D. G. Gillies, A. J. Derksen · Yayınevi bilinmiyor

146 sayfa · 1977

Lake whitefish

MercuryA Review of Possible Natural Sources of Mercury Contamination in Manitoba WatersA. J. Derksen, Manitoba. Department of Northern Affairs, Manitoba. Fisheries Research Section, Manitoba. Fisheries Management Branch

A Review of Possible Natural Sources of Mercury Contamination in Manitoba Waters

A. J. Derksen, Manitoba. Department of Northern Affairs, Manitoba. Fisheries Research Section, Manitoba. Fisheries Management Branch · Yayınevi bilinmiyor

142 sayfa · 1978

Mercury

CiltMercury Levels in Wildlife Within the Nelson River Basin of ManitobaE. A. Driver, A. J. Derksen, Manitoba. Department of Mines, Natural Resources and Environment

Mercury Levels in Wildlife Within the Nelson River Basin of Manitoba

E. A. Driver, A. J. Derksen, Manitoba. Department of Mines, Natural Resources and Environment · Yayınevi bilinmiyor

42 sayfa · 1979

Kategori yok

Submarine topographyThe Post-impoundment Area and Bathymetry of Cedar Lake, ManitobaD. J. (David John) Green, A. J. Derksen, Manitoba. Department of Natural Resources

The Post-impoundment Area and Bathymetry of Cedar Lake, Manitoba

D. J. (David John) Green, A. J. Derksen, Manitoba. Department of Natural Resources · Yayınevi bilinmiyor

16 sayfa · 1980

Submarine topography