Sea otter (Enhydra lutris) foraging habitat use in a heterogeneous environment in Kachemak Bay off Alaska

2014 ◽  
Vol 90 (4) ◽  
pp. 921-939 ◽  
Author(s):  
Nathan Stewart ◽  
Brenda Konar ◽  
Angela Doroff
Keyword(s):  
Habitat Use ◽  
Sea Otter ◽  
Heterogeneous Environment ◽  
Enhydra Lutris ◽  
Foraging Habitat

scholarly journals The historical and contemporary status of the sea otter Enhydra lutris population on Urup Island, southern Kuril Islands

Oryx ◽  
2021 ◽  
pp. 1-6
Author(s):  
Igor Popov ◽  
Alexey Scopin
Keyword(s):  
Total Population ◽  
Kuril Islands ◽  
Sea Otter ◽  
Enhydra Lutris ◽  
Sea Otters ◽  
The Past ◽  
Remote Island ◽  
Contemporary Status ◽  
Wildlife Refuges ◽  
Effective Conservation

Abstract We describe the population of the Еndangered sea otter Enhydra lutris on Urup Island, one of the main wildlife refuges in the southern Kuril Islands of Russia. We reviewed historical and local reports of the sea otter, identified its habitat around the island, and surveyed the coastal waters of the island in 2019. Sea otters were numerous on Urup Island in the past but were hunted excessively and almost exterminated by the 1950s. Since then, sea otter populations have increased, and as the island is almost uninhabited we expected otters to be numerous. This was not the case, and we estimated the total population to be 363 ± SE 126 individuals. Our observation of two skinned carcasses on the shore suggests the low numbers are a result of poaching for the illegal fur trade. The case of Urup Island demonstrates that sea otters require active conservation, as even on a remote island they remain threatened. Establishment of protected areas would be an effective conservation measure for this species, although the suppression of demand for sea otter fur is of the greatest importance.

scholarly journals California sea otter (Enhydra lutris nereis) census results, spring 2018

Data Series ◽  
2018 ◽  
Author(s):  
Brian B. Hatfield ◽  
Julie L. Yee ◽  
Michael C. Kenner ◽  
Joseph A. Tomoleoni ◽  
M. Tim Tinker
Keyword(s):  
Sea Otter ◽  
Enhydra Lutris ◽  
Enhydra Lutris Nereis

Habitat use by the eastern horseshoe bat, Rhinolophus megaphyllus, in a fragmented woodland mosaic

1998 ◽  
Vol 25 (5) ◽  
pp. 489 ◽  
Author(s):  
Chris R. Pavey
Keyword(s):  
Habitat Use ◽  
Auditory System ◽  
The Other ◽  
Foraging Habitat ◽  
Flight Pattern ◽  
Edge Habitat ◽  
Open Ground ◽  
Horseshoe Bat ◽  
Horseshoe Bats ◽  
Riparian Woodland

I examined habitat use by eastern horseshoe bats, Rhinolophus megaphyllus, in a fragmented woodland mosaic in south-east Queensland, Australia. I predicted that the species would forage within the remaining woodland remnants in the mosaic, because its flight pattern and auditory system are adapted for locating and capturing prey in cluttered habitat (i.e. close to and within vegetation). I studied habitat use by light-tagging and radio-tagging bats that roosted in a disused mine in a large woodland fragment. I observed bats within an area of 95 ha, which was composed of grassland (71% of area), woodland (14%), and edge habitat (boundary of woodland and grassland, and isolated trees in grassland – 15%). Bats foraged in woodland and edge habitat but not over grassland, and used woodland significantly more often than expected by its availability. Commuting bats left the woodland fragment in which the roost was located by one of two routes, both of which led into riparian woodland. One route was entirely within woodland, whereas the other route crossed 250 m of open ground. The study indicates that R. megaphyllus should respond negatively to the fragmentation of woodland and forest because this process will reduce the availability of its preferred foraging habitat.

scholarly journals Innervation patterns of sea otter (Enhydra lutris) mystacial follicle-sinus complexes

2014 ◽  
Vol 8 ◽  
Author(s):  
Christopher D. Marshall ◽  
Kelly Rozas ◽  
Brian Kot ◽  
Verena A. Gill
Keyword(s):  
Sea Otter ◽  
Enhydra Lutris ◽  
Innervation Patterns
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