颁布单位：[University of Alberta] |  颁布时间：1996 |  实施时间：1996 |  学科分类：[Organochlorine, compounds--Environmental, aspects, Nitrogen--Isotopes, Lakes--Yukon, Fishes--Effect, of, water, pollution, on--Yukon, Territory, Food, chains, (Ecology)]

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颁布单位：[University of Alberta] |  颁布时间：1988 |  实施时间：1988 |  学科分类：[Water--Pollution--Alberta--Athabasca, River, Oil, sands, extraction, plants--Alberta--Waste, disposal--Testing, Walleye, (Fish)--Alberta--Athabasca, River--Effect, of, water, pollution, on, Fishes--Effect, of, water, pollution, on--Alberta--Athabasca, River]

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颁布单位：[University of Alberta] |  颁布时间：1987 |  实施时间：1987 |  学科分类：[Rainbow, trout, Rainbow, trout--Effect, of, water, pollution, on]

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颁布单位：[University of Alberta] |  颁布时间：1987 |  实施时间：1987 |  学科分类：[Rainbow, trout--Alberta--Athabasca, River--Effect, of, water, pollution, on, Oil, sands, extraction, plants--Environmental, aspects, Oil, sands, extraction, plants--Alberta--Athabasca, Tar, Sands--Waste, disposal, Rainbow, trout--Effect, of, water, pollution, on, Oil, sands, extraction, plants--Alberta--Athabasca, Tar, Sands--Environmental, aspects]

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颁布单位：[University of the Free State] |  颁布时间：1986 |  实施时间：1986 |  学科分类：[["Plant, water, relations","Sucrose, accumulation","Crop, growth","Thesis, (Ph.D., (Agricultural, Meteorology))--University, of, the, Free, State,, 1986"]]

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