Killer whales, which have been seen preying
on bowheads in the gulf, also occur here.
«I have never had the slightest indication that he has any bias of any kind,» says Phillip Clapham of the US National Oceanic and Atmospheric Administration's National Marine Mammal Laboratory in Seattle, which collaborated
on the bowhead whale survey.
Killer whales are known to prey
on bowhead, seals, narwhal and beluga.
Previously, Matthew was a PACE (Postdocs Advancing Climate Expertise) Fellow at NSIDC where he collaborated with Alaska's North Slope Borough to investigate the impacts of Arctic sea ice loss
on bowhead whales.
People I spoke to said that many community members oppose offshore drilling because they know it threatens their dependence
on bowhead whales and seals.
Not exact matches
Laidre's team looked at what is known about marine mammal populations that play a key role in Arctic ecosystems and human communities, focusing
on polar bears, beluga whales, narwhals,
bowhead whales, walrus, and six different seal species.
An open North - West Passage may be good news for
bowheads, which will have more places to feed, but many Inuit will struggle, since they rely
on walruses that are running out of sea ice
on which to breed.
Native hunters must take their boats farther out
on the sea, under more dangerous conditions, to capture
bowhead whales.
Biologists also built
on Iñupiaq observations to learn that
bowheads possess a sense of smell, unlike most other whales.
Learning from Inuit hunters that killer whales use specific methods to hunt
bowheads, beluga, narwhal and seals, Ferguson discovered at least two different killer whale groups based
on prey preferences.
The microphones record data at a sample rate of 8kHz, so the group listens up to 4kHz — for scale, the highest note
on a normally tuned, standard piano is 4.186 kHz — to include signals produced by large whales like fins, humpbacks,
bowheads and killer whales, as well as pinnipeds such as bearded seals and walrus.
Rhea Mehta, Ph.D., is a molecular toxicologist, integrative health coach, and CEO of
Bowhead Health, a health care startup
on a mission to remove the pain points and inefficiencies of...
Some Alaska Native peoples continue by tradition to hunt
bowhead and beluga whales
on a subsistence level, with low annual
bowhead total quotas set by the International Whaling Commission in conjunction with individual village limits set by the Alaska Eskimo Whaling Commission.
The author led two expeditions to study, film and record the
Bowhead whale in the 1970s (Film Board of Canada made a documentary of the second & American Scientist published a cover article
on the first), is co-discoverer of Songs of Humpback Whale, Science, 1971) and served
on US delegation to International Whaling Commission for six years.
Many Arctic species that are
on the front line of climate change, such as seals, walruses, and
bowhead and beluga whales, are also part of the Native traditional diet.
Bowhead whales strongly depend
on large arctic calanoid copepods (C. hyperboreus, C. glacialis, M. longa and Paraeuchaeta spp.), mysids, euphausids and chaetognaths (Pomerleau et al., unpublished data).
A. Several whale populations are indisputably endangered, including western gray whales (eastern gray whales, which are the population of gray whales found
on the Pacific coast of North America, are no longer considered endangered), eastern
bowhead whales, North Atlantic and Pacific right whales, blue whales, and most humpback whales.
Bowhead whales are assumed to feed
on pelagic and epibenthic zooplankton in late summer and fall (Finley 2001; Lowry et al. 2004; Pomerleau et al. 2011b), and
on pre-ascending diapausing calanoid copepods in late winter and early spring, based
on data from Disko Bay, Greenland (Heide - Jørgensen et al. 2012; Laidre et al. 2007).
The IWC has imposed a moratorium
on the hunting of 10 species of whales (blue,
bowhead, fin, gray, humpback, minke, pygmy right, right, sei, and sperm), and that moratorium only applies to nations who are members of the IWC and have not formally objected to the ban.
Huntington's research activities include reviewing the regulation of subsistence hunting in northern Alaska, documenting traditional ecological knowledge of beluga whales and
bowhead whales, examining Iñupiat Eskimo and Inuit knowledge and use of sea ice, and assessing the impacts of climate change
on Arctic communities and Arctic marine mammals.
The subsequent decline of
bowhead abundances in the CAA is consistent with the abandonment of the high Arctic of Canada and Greenland by
bowhead hunters, while Thule living in more southern Arctic regions increasingly focused
on alternate food resources.
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