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climate changebutterfly
species distribution
biology
temperature
impact analysis
parasites
climatology
arthropods
adaptation
caterpillars
3 dossier(s) trouvé(s) portant l’étiquette "insects" (les projets pluriannuels sont regroupés):
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Canadian Global Change Transect: Northern Transect
chercheur principal: Kerr, Jeremy T
Année(s) de permis: 2012
Résumé: The Canadian Global Change Transect (CGCT) is a project of the Canadian Facility for Ecoinformatics Research at the University of Ottawa. The goal of the project is to assess and predict the effects of historical and future global changes on the spatial distribution of Canadian butterfly species through time. One of the key aspects of the CGCT to develop historical range calibrated models is the c...
Année(s) de permis: 2012
Résumé: The Canadian Global Change Transect (CGCT) is a project of the Canadian Facility for Ecoinformatics Research at the University of Ottawa. The goal of the project is to assess and predict the effects of historical and future global changes on the spatial distribution of Canadian butterfly species through time. One of the key aspects of the CGCT to develop historical range calibrated models is the c...
Temperature relations and interactions of arctic woolly-bear caterpillars and their insect parasitoids
chercheur principal: Morewood, Dean
Année(s) de permis: 1994 1993
Résumé: Surveys will be conducted in order to: (1) document the life stages of the caterpillars (e.g., eggs, larvae, pupae and adults) during the summer; (2) count the number of caterpillars killed by insect `parasites' or parasitoids; and (3) document the timing of the insect parasitoids's life cycle. Finally, since temperature affects growth, experiments with different temperatures will be use to exami...
Année(s) de permis: 1994 1993
Résumé: Surveys will be conducted in order to: (1) document the life stages of the caterpillars (e.g., eggs, larvae, pupae and adults) during the summer; (2) count the number of caterpillars killed by insect `parasites' or parasitoids; and (3) document the timing of the insect parasitoids's life cycle. Finally, since temperature affects growth, experiments with different temperatures will be use to exami...
Mechanisms Mediating Freezing Tolerance in Arctic Insects
chercheur principal: Kukal, Olga
Année(s) de permis: 1992 1991
Résumé: Arctic arthropod communities are extremely sensitive to changes in their physical environment and their composition reflects trace elements in the atmosphere or minor fluctuations in termperature. This project is part of a larger, long-term project involving a survey of arctic arthropods which will ultimately provide a monitoring system for global climatic changes and indicate levels of pollutants...
Année(s) de permis: 1992 1991
Résumé: Arctic arthropod communities are extremely sensitive to changes in their physical environment and their composition reflects trace elements in the atmosphere or minor fluctuations in termperature. This project is part of a larger, long-term project involving a survey of arctic arthropods which will ultimately provide a monitoring system for global climatic changes and indicate levels of pollutants...
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