Results 161 to 170 of about 20,413 (204)
Correction to "Current Species Protection Does Not Serve Its Porpoise-Knowledge Gaps on the Impact of Pressures on the Critically Endangered Baltic Proper Harbour Porpoise Population, and Future Recommendations for Its Protection". [PDF]
Ecol Evoleuropepmc +1 more source
Genetic analyses of Anisakis pegreffii (Nematoda: Anisakidae) from the East Asian finless porpoise Neophocaena asiaeorientalis sunameri (Cetacea: Phocoenidae) in Korean waters. [PDF]
Parasitol ResKim S +11 more
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Scientific American, 2018
The article discusses a study by physicist Wenwu Cao and others, published in the journal "Physical Review Applied," which reveals ultra-efficient echolocation in porpoises due to structures in their foreheads involving air sacs, soft tissues and skull bones, that will help improve sonar system.
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The article discusses a study by physicist Wenwu Cao and others, published in the journal "Physical Review Applied," which reveals ultra-efficient echolocation in porpoises due to structures in their foreheads involving air sacs, soft tissues and skull bones, that will help improve sonar system.
openaire +2 more sources
Sexual dimorphism of Dall's porpoise and harbor porpoise skulls
Mammalian Biology, 2013To evaluate and quantify sexual dimorphism of skull shape and assess the ontogenetic background for differences, samples of 134 harbor porpoise (Phocoena phocoena) and 85 Dall's porpoise (Phocoenoides dalli) were compared in terms of cranial shape and shape ontogeny using three-dimensional geometric morphometrics.
Frandsen, Marie Michele Schou +1 more
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Canadian Journal of Zoology, 1988
Speeds above which porpoising becomes energetically more economical than swimming are calculated from a hydro-mechanical model for Humboldt (Spheniscus humboldti) and emperor (Aptenodytes forsteri) penguins. Predicted minimum porpoising speeds for S. humboldti are significantly less than observed values. At low porpoising speeds time in air is low and
R. W. Blake, M. D. Smith
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Speeds above which porpoising becomes energetically more economical than swimming are calculated from a hydro-mechanical model for Humboldt (Spheniscus humboldti) and emperor (Aptenodytes forsteri) penguins. Predicted minimum porpoising speeds for S. humboldti are significantly less than observed values. At low porpoising speeds time in air is low and
R. W. Blake, M. D. Smith
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1975
The karyotype of the male comes from cultures of an animal caught by Mr. A. Thorisson in Eyjafjorder, Iceland and was generously donated by Dr. U. Arnason, Lund, Sweden. Skin biopsies of a female animal from Strib, Denmark were donated by Mr. S. Andersen, Strib, Denmark.
T. C. Hsu, Kurt Benirschke
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The karyotype of the male comes from cultures of an animal caught by Mr. A. Thorisson in Eyjafjorder, Iceland and was generously donated by Dr. U. Arnason, Lund, Sweden. Skin biopsies of a female animal from Strib, Denmark were donated by Mr. S. Andersen, Strib, Denmark.
T. C. Hsu, Kurt Benirschke
openaire +1 more source