Residency and abundance of sperm whales (Physeter macrocephalus) in Nemuro Strait, Hokkaido, Japan
H Kobayashi, M Amano - Marine Mammal Science, 2020 - Wiley Online Library
We examined the trend in residence patterns and abundance of male sperm whales in
Nemuro Strait, Japan, based on long‐term photo‐identification (1,513 survey days, total …
Nemuro Strait, Japan, based on long‐term photo‐identification (1,513 survey days, total …
Fall distribution and diversity of cetaceans along the southern and eastern coasts of Hokkaido, Japan
S Furumaki, S Shigematsu, Y Iwahara… - Regional Studies in Marine …, 2023 - Elsevier
The southern and eastern coasts of Hokkaido, part of the western North Pacific and the
southern Sea of Okhotsk, are productive regions with a high degree of biodiversity and …
southern Sea of Okhotsk, are productive regions with a high degree of biodiversity and …
One-sided infections by intestinal parasites in two sympatric porpoises bycaught from the Nemuro Strait of Hokkaido, Japan
H Katahira, H Ashida, M Kobayashi - Parasitology international, 2020 - Elsevier
Due to the difficulties and limitations associated with field sampling of marine mammals,
quantitative surveys on their parasites are still scarce in Japan. We here report the infection …
quantitative surveys on their parasites are still scarce in Japan. We here report the infection …
[PDF][PDF] Social structure of male sperm whales (Physeter macrocephalus)
小林駿 - 2020 - nagasaki-u.repo.nii.ac.jp
The ecology of male sperm whales after they leave their natal group is still poorly
understood (Whitehead 2003). Their extended home ranges make it difficult to understand …
understood (Whitehead 2003). Their extended home ranges make it difficult to understand …
Diversity of marine mammal vocalizations off Rausu, Shiretoko, northern Japan
M Otsuki, T Akamatsu, T Nobetsu… - 2016 Techno-Ocean …, 2016 - ieeexplore.ieee.org
A number of marine mammal species travel off Rausu, Shiretoko as feeding and breeding
habitats, providing resources for tourism. However, seasonal sea ice and severe weather …
habitats, providing resources for tourism. However, seasonal sea ice and severe weather …