Wetlands Knowledge Search Results
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Authors
Qihua Huang
Hao Wang
Mark Lewis
Previous work has considered the effect of a toxin on the population dynamics of a single trophic level, such as fish, we focus on the impacts of toxins on the population dynamics of aquatic food webs
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Bromacil and tebuthiuron are herbicides used from the 1960s to 1990s on industrial sites to control vegetation. Approximately 61,750 sites are considered contaminated when comparing total herbicide...
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Authors
C. Gaudet
M. Bonnell
Ted Nason
L. Hofmann
There can be little argument that contaminants are now a ubiquitous presence in our environment. Though large-scale efforts to deal with contaminant issues have traditionally focused on water and air...
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Three mid- to high-elevation lines of slender wheatgrass were selected and released as varieties for use in reclamation
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Two lines of alpine bluegrass were selected and released as varieties for use in reclamation
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Authors
G.R. Larocque
J. Beaulieu
G. Daoust
C.-H. Ung
There is renewed interest in the management of eastern white pine ( Pinus strobus L.) for high-quality wood production. Several tree improvement programs have been implemented for the last few decades...
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Authors
Xiaomei Li
Yongsheng Feng
A one dimensional approach was used to model the evaporation process from fine tails. Understanding the complex interactions among the solids, water and external atmospheric demand is required
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Authors
John Trofymow
Philip-Edouard Shay
Bradley Tomm
Jean Berube
Tod Ramsfield
Fungi play key roles in forest soils and provide benefits to trees via mycorrhizal symbioses. After severe disturbance, forest regrowth can be impeded because of changes in fungal communities. In 2013...
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Soils sampled at sites 2.3 and 5.3 km south of the Great Canadian Oil Sands (GCOS) plant, Fort McMurray, respectively were found to differ statistically with reference to several macronutrients
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Authors
Melissa Spearing
Donnie McPhee
Judy Loo
In 2021-2022, the National Tree Seed Centre led a series of surveys to establish an accurate idea of genetically appropriate seed supply for forest landscape restoration (FLR) needs across Canada by...
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Stem cuttings of balsam poplar and three poplar hybrids were directly planted onto reclamation material ontailings dyke slope. The overall rooting success was poor - direct planting is not recommended
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Over 70 diseases have been found and recorded on black spruce ( Picea mariana [Mill.] B.S.P.) in Ontario (Davis and Myren 1990). They range from vigorous pathogens capable of causing death or serious...
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The foothills and mountain regions are extremely varied in soils, vegetation, climate and geology. Oil and gas drilling wastes must be contained ana then dispose □ of, despite of this extreme...
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Authors
Sandra Landsburg
Elizabeth Dwyer
Dissipation of bromacil in Humic Luvic Gleysols amended with cow manure was evaluated at two sites in northwestern Alberta from 1984 to 1987
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Synthesis of the published literature on the habitat preferences of beavers, muskrats, mink and river otters. Field studies during the late autumn of 1978 included aerial surveys and track counts
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348 benthic macroinvertebrate samples collected at 16 sites along 85 km of the Athabasca River between Fort McMurray and the Ells River. total of 27229 specimens belonging to 68 taxonomic groups
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Authors
Amy Darling
Carol Stefan
Corey De La Mare
Canada’s boreal forest is important habitat for many North American birds, which play a vital role in the health of forests, and provide ecosystem services. Expanding human development in northern...
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Highway rights-of-way in Alberta, and elsewhere, are dull because they consist of limited, non-native species mixes that are frequently mowed. These rights-of-way are therefore not much more exciting...