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biologyfreshwater ecosystem
solar radiation
microbiology
plankton
ultraviolet radiation
food web
benthic invertebrates
2 Dossier(s) trouvé(s) pour le chercheur principal "Vincent, W.F." (les projets pluriannuels sont regroupés):
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UV-B Impacts On The Microbial Food Web In High Arctic Freshwater Ecosystems
chercheur principal: Vincent, W.F.
Année(s) de permis: 1994
Résumé: There is increasing evidence that levels of solar UV-B radiation have begun to rise in the high Arctic. Little is known about microbial life-forms in the ecosystems of Arctic lakes and rivers and their UV-B resistance. A sampling hole will be drilled in the lake ice. These samples of zooplankton will be studied by a microscope. Samples of water and periphytic communites will also be taken. Underw...
Année(s) de permis: 1994
Résumé: There is increasing evidence that levels of solar UV-B radiation have begun to rise in the high Arctic. Little is known about microbial life-forms in the ecosystems of Arctic lakes and rivers and their UV-B resistance. A sampling hole will be drilled in the lake ice. These samples of zooplankton will be studied by a microscope. Samples of water and periphytic communites will also be taken. Underw...
Limnology and algal ecology of Bylot Island
chercheur principal: Vincent, W.F.
Année(s) de permis: 1993
Résumé: This season we hope to collect water samples that contain small, single-celled organisms from lakes, ponds and streams on Bylot Island. A new technique using microscopes has increased the scientist's ability to detect life forms that were previously not known to exist. We will examine the water samples using this new technique to determine the type of microscopic organisms that form the basis of...
Année(s) de permis: 1993
Résumé: This season we hope to collect water samples that contain small, single-celled organisms from lakes, ponds and streams on Bylot Island. A new technique using microscopes has increased the scientist's ability to detect life forms that were previously not known to exist. We will examine the water samples using this new technique to determine the type of microscopic organisms that form the basis of...
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