Reproductive Success of Peregrine Falcons and Other Raptors at Wager Bay and Melville Peninsula Northwest Territories
Notice bibliographique
Résumé
The Wager Bay area in northeastern Keewatin was surveyed for nests of raptorial birds during late July and August in 1976 and 1977, and the southwestern part of Melville Peninsula was also surveyed in August 1977.These surveys established Wager Bay and Melville Peninsula as the most productive nesting areas known for the endangered Peregrine Falcon (Falco peregrinus tundrius).More Peregrine Falcon sites producing young were located at Wager Bay than are known to exist in any other area of the North American Arctic.The production of young Peregrine Falcons at Wager Bay in 1976 and 1977 exceeded that of any area surveyed during the 1975 North American Peregrine Falcon Survey.In 1976 we located 14 nest sites occupied by Peregrine Falcons, 5 sites occupied by Gyrfalcons (Falco rusticolus), i1 sites occupied by Roughlegged Hawks (Buteo lagopus), and 1 nest site of a Golden Eagle (Aquila chrysaetos).In 1977, 27 Peregrine Falcon sites, 5 Gyrfalcon sites, 2 Rough-legged Hawk sites, and 1 eagle site were located.In 1977, Peregrine Falcons reoccupied at least 54%, and possibly as many as 91%, of the nesting territories occupied in 1976.Of the 13 peregrine sites visited in 1976, 85% produced young; young/ occupied site averaged 2.08, and young/successful nest averaged 2.45.In 1977, 84% of the 22 visited sites produced young; young/occupied site averaged 2.21, and young/successful nest averaged 2.95.The Peregrine Falcon sites did not differ significantly between years in percent successful sites, young/occupied site, or young/successful nest.There was no correlation between the number of young Peregrine Falcons produced at nest sites in 1976 and the number produced at the same sites in 1977.The nests that had been visited in 1976 produced 2.16 young/successful nest in 1977, as compared with 3.3 young/successful nest among the nests not previously visited.This difference was significant.Fifteen occupied Peregrine Falcon sites were located on Melville Peninsula, at least 10 of which produced young.The average number of young/successful nest was 2.6.The Peregrine Falcon populations at Wager Bay and Melville Peninsula did not differ significantly in either number of young/successful nest or in mean distance between occupied sites.Both the Wager Bay and the Melville Peninsula Peregrine Falcon populations are considered to be undepleted populations.A total of 30 Peregrine Falcon chicks from 11 nests were banded at Wager Bay and 6 chicks from 3 nests on Melville Peninsula.One of the banded birds was later captured on North Padre Island, Texas.
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Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,001 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,001 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,003 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».