138 dossier(s) trouvé(s) portant l’étiquette "birds" (les projets pluriannuels sont regroupés): Vous ne trouvez pas les résultats souhaités? Essayez la recherche avancée..
chercheur principal:Kuyt, E. Année(s) de permis:
1978
Résumé:
To conduct a banding program on raptors to assist in the determination of their winter range....
chercheur principal:Allen, Lynne Année(s) de permis:
1978
Résumé:
Population surveys of raptors; nesting sites will be surveyed, counts taken, and birds caught, banded and released....
chercheur principal:Ambrock, Ken Année(s) de permis:
1978
Résumé:
Aerial and ground surveys to: (1) determine the migratory bird populations and the extent of the bird habitat. (2) determine the relative importance of the delta as a migratory bird breeding grounds with others in the region....
chercheur principal:Holmes, John C. Année(s) de permis:
1978
Résumé:
To conduct a survey to determine the distribution of certain parasite sin geese....
chercheur principal:Diamond, Miriam Année(s) de permis:
1978
Résumé:
To study the effect of the difference in plumage color of the common redpoll and its influence on the birds ability to attract mates and acquire food....
chercheur principal:Smith, Morton M. Année(s) de permis:
1978
Résumé:
A continuation of the annual measurement of duck breeding populations by aerial survey....
chercheur principal:Davis, R. A. Année(s) de permis:
1978
Résumé:
(1) Aerial surveys of seabirds and marine mammals. (2) Ship-based studies of marine environment. (3) Studies of seabird colonies....
chercheur principal:Brace, R.K. Année(s) de permis:
1978
Résumé:
Continuation of last year's snow goose banding program under the International Arctic Snow Goose Study....