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Filtering by: Subject Harbor seal -- Reproduction -- Climatic factors

Photoperiod and the timing of pupping in the Pacific harbor seal (Phoca vitulina richardsi) with notes on reproduction in northern fur seals and Dall porpoises

Creator:

Temte, Jonathan L.

Abstract:

Birth and pupping season records of Pacific harbor seals (Phoca vitulina richardsi) were used in an analysis of photoperiod effect on the timing of birth in this species. Dates and latitudes of births were converted into photoperiods using a photoperiod equation. Sequential dates from parturition were converted into photoperiods and...

Resource Type:

Masters Thesis

Full Text:

Timing of Pupping in the Pacific Harbor Seal (Phoca vitulina richardsi) with Notes on Reproduction