Photographs of the flora of southern Ontario
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Photographs of the flora of southern Ontario
Photographs of surveys at Gros Morne National Park and the Churchill River, Labrador
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Photographs of surveys at Gros Morne National Park and the Churchill River, Labrador
Photographs of agricultural scenes in Ontario, Saskatchewan, Alberta, and Nova Scotia
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Photographs of agricultural scenes in Ontario, Saskatchewan, Alberta, and Nova Scotia
Photographs of hydro power scenes in Quebec and Ontario
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Photographs of hydro power scenes in Quebec and Ontario
Photographs of Canadian forest fires
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Photographs of Canadian forest fires
Photographs of the Arrow oil spill, Chedabucto Bay, Nova Scotia
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Photographs of the Arrow oil spill, Chedabucto Bay, Nova Scotia
Photographs of travels on Vancouver Island, Vancouver, and Manning Park, British Columbia
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Photographs of travels on Vancouver Island, Vancouver, and Manning Park, British Columbia
Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
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Photographs of the effects of pollution of Double-crested cormorant in the Great Lakes and Lake Winnipegosis
Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
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Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
Photographs of the flora of Fundy National Park
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Photographs of the flora of Fundy National Park
Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
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Photographs of the flora and fauna of Gros Morne National Park and Cape St. Mary's Park Reserve, Newfoundland
Photographs of forest regrowth in the Tobeatic Wilderness Area, Nova Scotia
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Photographs of forest regrowth in the Tobeatic Wilderness Area, Nova Scotia
Photographs of vascular plant communities at Alexandra Fiord, Ellesmere Island
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Photographs of vascular plant communities at Alexandra Fiord, Ellesmere Island
Photographs of leaf damage cause by accidental emission of acidic particulates from the Tufts Cove generating station, Dartmouth, Nova Scotia
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Photographs of leaf damage cause by accidental emission of acidic particulates from the Tufts Cove generating station, Dartmouth, Nova Scotia
Photographs of Great Grey, Snowy, and Barred owls
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Photographs of Great Grey, Snowy, and Barred owls
Photographs of vegetation in barrens and bogs of Nova Scotia
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Photographs of vegetation in barrens and bogs of Nova Scotia
Photographs of copper-zinc and sulfur dioxide devegetation
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Photographs of copper-zinc and sulfur dioxide devegetation
Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
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Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
Field notes related to flora at lake sites in southwestern Nova Scotia
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Field notes related to flora at lake sites in southwestern Nova Scotia
Ecology of a polar oasis : Alexandra Fiord, Ellesmere Island, Canada : [manuscript and correspondence]
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Ecology of a polar oasis : Alexandra Fiord, Ellesmere Island, Canada : [manuscript and correspondence]
Notes on property exploration for the Nova Scotia Nature Trust
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Notes on property exploration for the Nova Scotia Nature Trust
Characteristics of three acidic lakes in Kejimkujik National Park : [manuscript and correspondence]
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Characteristics of three acidic lakes in Kejimkujik National Park : [manuscript and correspondence]
Patterns of water chemistry of four drainage basins in central Nova Scotia : [manuscript]
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Patterns of water chemistry of four drainage basins in central Nova Scotia : [manuscript]
Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]
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Pollution by arsenic in a gold-mining district in Nova Scotia : [manuscript]
Sources and consequences of acid rain in Nova Scotia : [manuscript]
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Sources and consequences of acid rain in Nova Scotia : [manuscript]
Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
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Pollutant inputs from the atmosphere and accumulations in soils and vegetation near a nickel-copper smelter at Sudbury, Ontario, Canada : [manuscript and correspondence]
Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
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Effects of smelter pollutans on forest leaf litter decomposition near a nickel - copper smelter at Sudbury, Ontario. by B. Freedman and T.C. Hutchinson.
Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
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Long-term effects of smelter pollution at Sudbury, Ontario, on forest community composition : [manuscript and correspondence]
Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
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Smelter pollution near Sudbury, Ontario, Canada, and effects on forest litter decomposition :
Evaluation of loading of sulphate and heavy metals along a S-SE transect centering on Sudbury, Ontario ; Evaluation of sulphate and heavy metal loading rates and total sulphation as affected by forest canopies near Sudbury, Ontario ; Effects of smelter emissions on surrounding forest plant communities near Sudbury, Ontario : [manuscript and correspondence]
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Evaluation of loading of sulphate and heavy metals along a S-SE transect centering on Sudbury, Ontario ; Evaluation of sulphate and heavy metal loading rates and total sulphation as affected by forest canopies near Sudbury, Ontario ; Effects of smelter emissions on surrounding forest plant communities near Sudbury, Ontario : [manuscript and correspondence]
Experimental studies of the effects of acidity and associated water chemistry on amphibians : [manuscript and other materials]
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Experimental studies of the effects of acidity and associated water chemistry on amphibians : [manuscript and other materials]
Acidity and associated water chemistry of amphibian habitats in Nova Scotia : [manuscript and correspondence]
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Acidity and associated water chemistry of amphibian habitats in Nova Scotia : [manuscript and correspondence]
Effects of acidity on Nova Scotia amphibians. First Annual Report : [manuscript]
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Effects of acidity on Nova Scotia amphibians. First Annual Report : [manuscript]
Lead and zinc contamination of roadside soil and vegetation in Halifax, Nova Scotia : [manuscript and other materials]
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Lead and zinc contamination of roadside soil and vegetation in Halifax, Nova Scotia : [manuscript and other materials]
Arsenic pollution associated with tailings at an abandoned gold mine in Halifax County, Nova Scotia : [manuscript]
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Arsenic pollution associated with tailings at an abandoned gold mine in Halifax County, Nova Scotia : [manuscript]
Changes in the vegetation of regenerating clearcuts in central Nova Scotia after spraying with glyphosate : [draft manuscripts and correspondence]
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Changes in the vegetation of regenerating clearcuts in central Nova Scotia after spraying with glyphosate : [draft manuscripts and correspondence]
Benefits evaluation of wood energy projects in Nova Scotia : a methodology and case study assessment : [manuscript and correspondence]
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Benefits evaluation of wood energy projects in Nova Scotia : a methodology and case study assessment : [manuscript and correspondence]
Effects of experimental crude oil spills on subarctic boreal forest vegetation near Norman Wells, N.W.T., Canada : [manuscript]
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Effects of experimental crude oil spills on subarctic boreal forest vegetation near Norman Wells, N.W.T., Canada : [manuscript]
Physical and biological effects of experimental crude oil spills on Low Arctic tundra in the vicinity of Tuktoyaktuk, N.W.T., Canada : [manuscript]
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Physical and biological effects of experimental crude oil spills on Low Arctic tundra in the vicinity of Tuktoyaktuk, N.W.T., Canada : [manuscript]
Effects of experimental crude oil spills on Taiga and tundra vegetation of the Canadian Arctic : [manuscript]
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Effects of experimental crude oil spills on Taiga and tundra vegetation of the Canadian Arctic : [manuscript]
Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
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Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
Short-term changes in vegetation after the silvicultural spraying of glyphosate herbicide onto regenerating clearcuts in Nova Scotia, Canada : [draft manuscript and other materials]
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Short-term changes in vegetation after the silvicultural spraying of glyphosate herbicide onto regenerating clearcuts in Nova Scotia, Canada : [draft manuscript and other materials]
Preliminary survey of the natural history of McNab's Island, Halifax Harbour, Nova Scotia : [draft manuscript]
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Preliminary survey of the natural history of McNab's Island, Halifax Harbour, Nova Scotia : [draft manuscript]
Initial impacts of silvicultural herbicide spraying on the vegetation of regenerating cleracuts in central Nova Scotia : [draft manuscript and other materials]
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Initial impacts of silvicultural herbicide spraying on the vegetation of regenerating cleracuts in central Nova Scotia : [draft manuscript and other materials]
Ambient bulk deposition, throughfall, and stemflow in a variety of forest stands in Nova Scotia : [manuscript and other materials]
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Ambient bulk deposition, throughfall, and stemflow in a variety of forest stands in Nova Scotia : [manuscript and other materials]
Proposal for a study on the increased use of wood as an energy source in Nova Scotia : [manuscript and other materials]
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Proposal for a study on the increased use of wood as an energy source in Nova Scotia : [manuscript and other materials]
Forest biomass and nutrient studies in central Nova Scotia : [manuscript and other materials]
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Forest biomass and nutrient studies in central Nova Scotia : [manuscript and other materials]
Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
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Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
Silver hairgrass, Aira caryophyllea, new to eastern Canada, and other notable records from Seal Island, Nova Scotia : [manuscript and other materials]
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Silver hairgrass, Aira caryophyllea, new to eastern Canada, and other notable records from Seal Island, Nova Scotia : [manuscript and other materials]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
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Population trends of various species of birds wintering in southern Ontario : [manuscript]