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Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
Controversy over the use of herbicides in forestry, with particular reference to glyphosate usage : [manuscript and correspondence]
Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
Selected studies of forestry and bird communities in Nova Scotia and New Brunswick : [manuscript and correspondence]
Effects of silvicultural use of the herbicide glyphosate on breeding birds of regenerating clearcuts in Nova Scotia, Canada : [manuscript and other materials]
Effects of silvicultural use of the herbicide glyphosate on breeding birds of regenerating clearcuts in Nova Scotia, Canada : [manuscript and other materials]
Use of lakes by black duck broods in relation to biological, chemical, and physical features : [manuscript and other materials]
Use of lakes by black duck broods in relation to biological, chemical, and physical features : [manuscript and other materials]
Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
Breeding bird communities in a hardwood forest succession in Nova Scotia : [manuscript and other materials]
Effects of the herbicide 2,4,5-T on the habitat and abundance of breeding birds and small mammals of a conifer clearcut in Nova Scotia : [manuscript and correspondence]
Effects of the herbicide 2,4,5-T on the habitat and abundance of breeding birds and small mammals of a conifer clearcut in Nova Scotia : [manuscript and correspondence]
Biological survey of Conrad Island, N.S. : [manuscript and other materials]
Biological survey of Conrad Island, N.S. : [manuscript and other materials]
Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
Forestry management practices and populations of breeding birds in a hardwood forest in Nova Scotia : [manuscript and correspondence]
Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
Preliminary observations of breeding birds and vegetation in a post-clearcutting secondary succession in a hardwood forest in Nova Scotia : [draft manuscript and other materials]
Foraging behavior and prey selection by ospreys in coastal habitats in Nova Scotia, Canada : [manuscript]
Foraging behavior and prey selection by ospreys in coastal habitats in Nova Scotia, Canada : [manuscript]
Status of the Osprey, Pandion haliaetus, in Halifax and Lunenburg Counties, Nova Scotia : [manuscript and correspondence]
Status of the Osprey, Pandion haliaetus, in Halifax and Lunenburg Counties, Nova Scotia : [manuscript and correspondence]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
Population trends of various species of birds wintering in southern Ontario : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Population trends in water fowl wintering in the Toronto region, 1929-1976 : [manuscript]
Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
Waterfowl populations in the vicinity of the Leslie Street headland, Toronto, Ontario, October 1975 to September 1976 : [manuscript]
Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
Populations of breeding birds at Alexandra Fjord, Ellesmere Island, Northwest Territories, compared with other Arctic localities : [manuscript and correspondence]
Breeding bird surveys at Alexandra Fiord, Ellesmere Island, Nunavut, 1980-2008 : [manuscript]
Breeding bird surveys at Alexandra Fiord, Ellesmere Island, Nunavut, 1980-2008 : [manuscript]
Birds and mammals of Alexandra Fiord and vicinity : [manuscript and other materials]
Birds and mammals of Alexandra Fiord and vicinity : [manuscript and other materials]
Ecology of a high Arctic lowland oasis, Alexandra Fjord (78 53'N, 75 65'W), Ellesmere Island, N.W.T., Canada : 1980 and 1981 progress reports : [manuscript]
Ecology of a high Arctic lowland oasis, Alexandra Fjord (78 53'N, 75 65'W), Ellesmere Island, N.W.T., Canada : 1980 and 1981 progress reports : [manuscript]
Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
Surveys of flora and avifauna at the Sydport Industrial Park, Sydney, Nova Scotia
McNab's Island Christmas bird counts
McNab's Island Christmas bird counts
Photographs of birds, mammals, insects, and amphibians
Photographs of birds, mammals, insects, and amphibians
Photographs of Arctic tern at Alexandra Fiord, Ellesmere Island
Photographs of Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern standing near a nest site at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at an egg at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of an Arctic tern looking at two eggs at a nest site at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Photograph of a nesting Arctic tern at Alexandra Fiord, Ellesmere Island
Results 1 to 50 of 129