Results 21 to 30 of about 130,433 (199)
NAMMCO Scientific Publications, 2022 Pup production of the Greenland Sea populations of harp (Pagophilus groenlandicus) and hooded (Cystophora cristata) seals were estimated based upon aerial surveys in March 2018.
Martin Biuw +7 more
doaj +1 more source
NAMMCO Scientific Publications, 2000 Data were collected from harp seal (Phoca groenlandica) and hooded seal (Cystophora cristata) pups belonging to the Greenland Sea (or "West Ice") stocks in 1995-1997.
Tore Haug +2 more
doaj +1 more source
Assessing grey seal (Halichoerus grypus) diet in western Scotland [PDF]
, 2008 Grey seal diet was last comprehensively studied in western Scotland in 1985. Since then, the grey seal population has increased by approximately 30% and relative abundance of fish stocks in the area has changed markedly.
Harris, R.N.
core +2 more sources
Pseudopregnancy in harp seals ( Phoca groenlandica ) [PDF]
Reproduction, 1994 Abstract Concentrations of circulating progesterone were monitored in a captive breeding group of harp seals. Five females were monitored for 2 years, over which time they either became pregnant (four instances) or displayed an overt pseudopregnancy (five instances). Only one female exhibited consecutive pseudopregnancies.
D, Renouf, R, Taylor, R, Gales
openaire +2 more sources
A Bayesian approach to modelling field data on multi-species predator prey-interactions [PDF]
, 2007 Multi-species functional response models are required to model the predation of generalist preda- tors, which consume more than one prey species. In chapter 2, a new model for the multi-species functional response is presented.
Asseburg, Christian
core +2 more sources
NAMMCO Scientific Publications, 2001 The importance of a given host to a particular parasite can be determined according to three different criteria: host preference, host physiological suitability and host contribution to transmission. Most studies on the sealworm Pseudoterranova decipiens
F Javier Aznar +3 more
doaj +1 more source
NAMMCO Scientific Publications, 2000 Diet data were collected in the Greenland Sea pack ice (the West Ice) from March to June from harp seals (Phoca groenlandica) in 1987, 1990-1992 and 1997, and from hooded seals (Cystophora cristata) in 1992 and 1994, during Soviet Russian commercial ...
Vladimir Potelev +3 more
doaj +1 more source
Breaking down “harassment” to characterize trends in human interaction cases in Maine's pinnipeds
Conservation Science and Practice, 2021 Recent marine mammal recovery and growth of human populations in coastal areas has led to increased human harassment of protected pinniped populations. Yet, current monitoring approaches lack the necessary resolution to describe this emerging issue.
Emma Newcomb +7 more
doaj +1 more source
Food and Waterborne Parasitology, 2019 Zoonotic parasites of seals that are harvested for food may pose a health risk when seal meat or organ tissues of infected animals are eaten raw or undercooked. In this study, 124 tissue samples from 81 seals, comprising four species, were collected from
Sarah J. Reiling +5 more
doaj +1 more source
Investigation of olfaction of gray and harp seals by the operant training method
Vestnik MGTU, 2018 The results of studying the possibility of producing a motor conditioned reflex in the gray and harp seals on the smell of an object and the ability of experimental seals to differentiate certain odours have been presented.
Litvinov Yu. V. , Pakhomov M. V.
doaj +1 more source