Zobrazeno 1 - 5
of 5
pro vyhledávání: '"H. Dean Fisher"'
Autor:
H. Dean Fisher, John K. B. Ford
Publikováno v:
Canadian Journal of Zoology. 56:552-560
Underwater sound recordings of the narwhal from northern Baffin Island are analyzed and described. Frequency ranges of pulsed and pure tone vocalizations are found to be somewhat greater than previously observed. An earlier report that narwhals gener
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd5fd378c6d3a4fa39758535cfc4571a
https://doi.org/10.1139/z78-079
https://doi.org/10.1139/z78-079
Autor:
H. Dean Fisher, Richard J. Harrison
Publikováno v:
Journal of Zoology. 161:471-486
Examination of the reproductive organs from 137 Common porpoises (Phocoena phocoena) from the Gulf of St Lawrence, the Bay of Fundy and British waters has enabled observations to be made on reproductive events. Birth in Canadian waters occurs mainly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f10f76f0f2995fa8825e08b9040fe08e
https://doi.org/10.1111/j.1469-7998.1970.tb02050.x
https://doi.org/10.1111/j.1469-7998.1970.tb02050.x
Autor:
H. Dean Fisher, F. J. Tarasoff
Publikováno v:
Canadian Journal of Zoology. 48:821-829
The topography and vascular arrangements were examined in the hind flippers of representatives of two families of Pinnipedia: Otariidae, Callorhinus ursinus; and Phocidae, Phoca vitulina.Clearly defined topographical differences were evident between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f098b8471ccd964fc734024f25684352
https://doi.org/10.1139/z70-144
https://doi.org/10.1139/z70-144
Publikováno v:
Canadian journal of zoology. 51(7)
Heart rate and breathing movements have been monitored in three unrestrained harbor seals. On voluntary submergence heart rate fell markedly in all seals, and after 2–3 s submergence stabilized at about 40–50% of the predive level. Heart rate inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbe481f64c55bb089bde79a58ea1678f
https://pubmed.ncbi.nlm.nih.gov/4756147
https://pubmed.ncbi.nlm.nih.gov/4756147
Autor:
Marilyn E. Dahlheim, H. Dean Fisher
Publikováno v:
The Journal of the Acoustical Society of America. 74:S54-S55
In order to focus on the problem of increasing nonbiological noise in the environment of the gray whale (Eschrichtius robustus) and to answer the question as to how this species uses its acoustic signaling most efficiently, a study was undertaken at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98cb67f2d91144c0066b356e35acac42
https://doi.org/10.1121/1.2021029
https://doi.org/10.1121/1.2021029