5 Dossier(s) trouvé(s) pour le chercheur principal "Welch, H.E." (les projets pluriannuels sont regroupés): Vous ne trouvez pas les résultats souhaités? Essayez la recherche avancée..
chercheur principal:Welch, H.E. Année(s) de permis:
1982
Résumé:
1) To continue the study on the impact of development on two lakes-Saqvacjuac (Northern Keewatin) 2) To conduct fish production level studies and nutrient level determinations.- Cape Vera (Devon Island)....
chercheur principal:Welch, H.E. Année(s) de permis:
1980
Résumé:
A continuation of an experiment on an isolated lake to which methane gas has been added thereby simulating a break in a gas pipeline. This season, the work will concentrate on seeing the effects of artificially added nutrients to the lake. Supplementary water studies and radionuclide level determinations will also continue....
chercheur principal:Welch, H.E. Année(s) de permis:
1979
Résumé:
A continuation of an experiment on an isolated lake to which methane gas has been added thereby simulating a break in a gas pipeline. This season, the work will concentrate on seeing the effects of artificially added nutrients to the lake....
chercheur principal:Welch, H.E. Année(s) de permis:
1977
Résumé:
Freshwater research in relation to impacts of various construction projects in the N.W.T....