The St. Lawrence Seaway

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چکیده

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منابع مشابه

Frontiers inEcology and the Environment Thousands introduced annually: the aquarium pathway for non- indigenous plants to the St Lawrence Seaway

Thousands introduced annually: the aquarium pathway for non-indigenous plants to the St Lawrence Seaway J Ji il ll l C Co oh he en n, , N Ni ic ch ho ol la as s M Mi ir ro ot tc ch hn ni ic ck k, , a an nd d B Br ri ia an n L Le eu un ng g Please note: This article was downloaded from Frontiers e-View, a service that publishes fully edited and formatted manuscripts before they appear in print i...

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Ballast Water Treatment Technologies and Their Application for Vessels Entering the Great Lakes via the St. Lawrence Seaway

1 review of the current status of ballast water treatment technologies since 1996 when the National Research Council's Stemming the Tide was published, and major impediments to the implementation of these technologies on a large scale, are presented. In addition, factors that affect implementation of the technologies on ocean-going vessels transiting in the St. Lawrence Seaway and the Great Lak...

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Microplastic pollution in St. Lawrence River sediments

Although widely detected in marine ecosystems, microplastic pollution has only recently been documented in freshwater environments, almost exclusively in surface waters. Here, we report microplastics (polyethylene microbeads, 0.40– 2.16 mm diameter) in the sediments of the St. Lawrence River. We sampled 10 freshwater sites along a 320 km section from Lake St. Francis to Québec City by passing s...

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Ecology and evolution on the banks of the St Lawrence.

The population biologist John Harper (1967) wrote that ‘the theory of evolution by natural selection is an ecological theory, founded on ecological observation by perhaps the greatest of all ecologists’. More than 40 yr since this observation, it is surprising that the professional societies devoted to the study of ecology and evolution still remain largely distinct (for example, consider the S...

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ژورنال

عنوان ژورنال: Nature

سال: 1960

ISSN: 0028-0836,1476-4687

DOI: 10.1038/186110b0