Aquatic plants of acid lakes in Kejimkujik National Park, Nova Scotia : floristic composition and relation to water chemistry : [manuscript and correspondence]
Assessment of the likely effects of peat extraction from Swaines Road (Barrington) bog, Shelburne County, on Drosera filiformis and its habitat : [draft 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]
Effects of habitat on variations of phenology and nutrient concentration among four common plant species of the Alexandra Fiord lowland : [draft manuscript and correspondence]
Phenology and resource allocation in a high arctic evergreen dwarf shrub, Cassiope tetragona : [manuscript and other materials]
Photograph looking up at the Acadian forest canopy in the Tobeatic Wilderness Area, southwestern Nova Scotia
Photograph looking up through the Acadian forest canopy at a cloudy sky in the Tobeatic Wilderness Area, southwestern Nova Scotia
Photograph looking up through the Acadian forest canopy at a cloudy sky in the Tobeatic Wilderness Area, southwestern Nova Scotia
Photograph of a birch transition area near Sudbury, Ontario
Photograph of a brackish pond located near Lifesaving Station Number 3 on Sable Island
Photograph of a brackish pond near Lifesaving Station Number 3 on Sable Island
Photograph of a clump of red maple after first Glyphosate spray, Antrim site, Halifax County, Nova Scotia
Photograph of a common haircap moss (Polytricum commune) mat near the Richard Lake site, near Sudbury, Ontario
Photograph of a control area at the Little River Lake site, Kings County, Nova Scotia
Photograph of a control area at the Little River Lake site, Kings County, Nova Scotia
Photograph of a control site about 30 kilometres from mining operations near Sudbury, Ontario
Photograph of a controlled spill at the Bear Island site, near Norman Wells, Northwest Territories
Photograph of a dense patch of Juniperus communis (common juniper) on Sable Island
Photograph of a denuded hilltop at the Richard Lake site, near Sudbury, Ontario
Photograph of a eight months of vegetation regrowth at a small controlled site at Nickel Rim, near Sudbury, Ontario
Photograph of a fen containing Sheathed cotton-grass (Eriophorum vaginatum var. spissum) and Deergrass (Scirpus caespitosus) near Postville, Newfoundland and Labrador
Photograph of a fen containing Sheathed cotton-grass (Eriophorum vaginatum var. spissum) and Deergrass (Scirpus caespitosus) near Postville, Newfoundland and Labrador
Photograph of a fen rich in Deergrass (Scirpus caespitosus) near Postville, Newfoundland and Labrador
Photograph of a freshwater pond near the western lighthouse on Sable Island
Photograph of a freshwater pond rich in Potamogeton on Sable Island
