[PDF][PDF] Reproductive biology of seals

S Atkinson - Reviews of Reproduction, 1997 - scholar.archive.org
… two families of seal is that the otariid seals have more functional and articulate appendages
than do phocid seals; in … The two families of seal also differ in their reproductive strategies. …

Environmental and physiological factors controlling the reproductive cycles of pinnipeds

IL Boyd - Canadian Journal of Zoology, 1991 - cdnsciencepub.com
… If day length is important in controlling the reproductive season in the northern fur seal,
and if we assume that the populations are not genetically isolated, there must be a time when …

The evolution of reproductive systems in pinnipeds

MH Cassini - Behavioral Ecology, 1999 - academic.oup.com
… Polar bears Ursus maritimus swim between ice floes, prey on harp seals Phoca
groenlandica and ringed seals, and wolves appear to be significant predators of Caspian …

Reproductive biology of Steller sea lions in the Gulf of Alaska

KW Pitcher, DG Calkins - Journal of Mammalogy, 1981 - academic.oup.com
Reproductive biology of Steller sea \ions (Eumetopias jubattls) in the Gulf of Ala~ka was stlldied
between 1975 and 1979 by examination of reproductive … in the grey seal (Halichoerus gr!…

Age, growth, and reproduction in New Zealand fur seals

GS Dickie, SM Dawson - Marine Mammal Science, 2003 - Wiley Online Library
reproductive biology of New Zealand fur seals (Arctocepbdas forstevi) were studied by examining
127 seals … , and male and female reproductive organs were examined macroscopically …

The reproductive biology of the harbour seal, Phoca vitulina L., in Norwegian waters

A Bjørge - Sarsia, 1992 - Taylor & Francis
… by non-scientific personnel licenced to cull harbour seals. Not all of these … reproductive
biology. Table 1 shows the total number of seals sampled in each age group, the number of seals

Reproduction in

I BOYD, C Lockyer, HD Marsh - Biology of marine mammals, 1999 - books.google.com
… Owing to the greater number of species involved, the reproductive biology literature for the
… tropicalis) monk seals, but we can probably assume they follow or followed a similar pattern …

Reproductive Biology of the Seals in Polar Region: Spermatogenesis

G Myung-Chan, K Sung-Ho - … Journal of Environmental Biology, 2006 - koreascience.kr
Seals breed seasonally and in most of the seal species, delayed … of several seals species
and alter steroidogenesis in seals, … threatening the reproductive success in seal species. …

Life history and reproductive strategies

DJ Boness, PJ Clapham… - Marine mammal biology …, 2002 - books.google.com
… lactation strategies of many phocid seals, probably driven by … However, for pinnipeds most
or all of reproduction occurs on … a profound influence on reproductive patterns and cycles. …

Reproductive cycles of marine mammals

P Pomeroy - Animal Reproduction Science, 2011 - Elsevier
… Oestrus occurs postpartum either during (grey and elephant seals) or after lactation (harbour
seals). Many otariids have a relatively early postpartum … Reproductive biology of seals