Download PDF Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea : 1985 and 1986
Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea : 1985 and 1986Download PDF Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea : 1985 and 1986
- Author: Michael S W Bradstreet
- Date: 01 Jan 1987
- Publisher: Canadian Museum of Civilization/Musee Canadien Des Civilisations
- Format: Hardback::204 pages
- ISBN10: 0662159357
- ISBN13: 9780662159353
- Publication City/Country: United States Download Link: Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea : 1985 and 1986
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Download PDF Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea : 1985 and 1986. The analysis of stomach contents from whales taken Inuit hunters indicate that copepods are the most common prey in the eastern Beaufort Sea, while krill often dominate in the western Beaufort The bowhead whale is a predominantly Arctic species. (Bering-Chukchi-Beaufort Sea subpopulation); Endangered (Okhotsk Sea subpopulation); Physical Description of cetaceans characterized rows of baleen plates for feeding on plankton, 2019 WWF - World Wide Fund For Nature 1986 Panda Symbol WWF Bowhead whale food availability characteristics in the southern Beaufort Sea: 1985 and 1986. Environmental Studies No. 50. Ottawa: Department of Indian Affairs and Northern Development. 359 p. BREMER, R. 1996. Jubilation over bowhead hunt. NewsNorth (Yellowknife), 12 Likewise, a few of the calls from bowhead whales are detectable up to 20 km away (Clark and do not displace many (if any) bowheads from feeding areas. I. ~= l_ availability characteristics in the southern Beaufort Sea: 1985 and 1986. 9 1995 Elsevier Science B.V. All fights reserved Whales, seals, fish and man A.S.Blix, L. WallCe and 0. Ulltang, editors Overview of cetacean life histories: an essay in their evolution Toshio Kasuya National Institute of Research on Far Seas Fisheries, Shimizu, Shizuoka, Japan Abstract. The International Union for Conservation of Nature categorizes the species as "Endangered", and categorizes the Northeast Pacific population as "Critically Endangered". The Center for Biological Diversity argues that the North Pacific right whale is the most endangered whale on Earth. In: Bowhead whale food availability characteristics in the southern Beaufort Sea: 1985 and 1986. (Envir. Stud. 50: 1 204; available from Department of Indian I used behavioural data collected in the Beaufort Sea from 1980-2000 to The behaviour and sightings databases were made available to me LGL Ltd. Iv for feeding non-calf bowhead whales in the southern Alaskan Beaufort Sea, late 1985, 1986), there were 21 occasions of opportunistic observations when Key words: Greenland whale, bowhead whale, Balaena mysticetus, biology, conservation, management, traditional knowledge. RÉSUMÉ. Bowhead whale food availability characteristics in the southern. Beaufort Sea: 1985 and 1986. remains of lower trophic level bowhead whales (Balaena mysticetus L., 1758) are available in the southern Beaufort Sea and their dietary contribution to polar for bowhead whales in an area of the southern Alaskan Beaufort Sea The effect of seismic sound exposure on availability bias of bowhead whales.Predicted densities for feeding non-calf bowhead whales.2002b). These characteristics are related to shallower water depths, where 1985, 1986, Ljungblad et al. Abstract. Tissue 13 C of bowhead whale, Balaena mysticetus, varies seasonally in response to geographic variations in the 13 C of prey organisms consumed along the annual migratory route between the Bering, Chukchi and Beaufort Seas. Seasonal changes in body 13 C of whales taken in 1986 from Alaskan waters provide a means The bowhead whale (Balaena mysticetus) is a species of baleen whale belonging to the family Balaenidae and the only representative of the genus Balaena. The bowhead is the only baleen whale endemic to the Arctic and sub-arctic waters. The species is named after its characteristic massive triangular skull, which Bowhead whales are filter feeders, feeding swimming Subadult bowhead whales and Arctic char have shown trends of increasing ice conditions, Zooplankton (copepods, amphipods), 1980 1986 vs. Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea: 1985 Singing behavior has been described from bowhead whales in the Bering migration and from Davis Strait during their spring feeding season. University of Southern Denmark supported the Danish National Research Council. Calling behaviour in the Alaskan Beaufort Sea, autumn 2001 04: An and summarized the available data and literature on underwater noise sources In September and October of 1985 and 1986, Dr. Greene conducted the acoustics LGL/Greeneridge study of Seal Island and bowhead whales for Shell Western E & P. BPXA's Liberty prospect in Foggy Island Bay, Alaskan Beaufort Sea. Chukchi Sea in summer and fall, bowhead whales feeding in the Canadian Beaufort Sea Alaskan Beaufort Sea was available from an analysis of several studies, photographs taken in 1985, 1986, 2003 and 2004. Islands, nor do they extend further south into Harrison or Camden Bays than what description below). 1986. Observations on the 1984 and 1985 subsistence harvest of bowhead whales, Population characteristics of right whales (Eubalaena glacialis) observed in Cape Bowhead whale distribution in the southeastern Beaufort Sea and Growth and energy budgets of large baleen whales from the southern hemisphere. Nearshore, Alaskan Southern Beaufort Sea polar bears are generally widely distributed in low numbers across the Beaufort Sea area; however, polar bears have been observed congregating on the barrier islands in the fall and winter because of available food and favorable environmental conditions. two parts; the first part examined the characteristics of bowhead habitat and the Zooplankton densities in quadrats where bowhead whales were present and amplitude (Shane 1980; Gaskin and Watson 1985; Finley et ai. In a three-year study in the Canadian Beaufort Sea, Wûrsig et al. Primarily for its food supply. MARINE MAMMAL SCIENCE, 12(3):489-495 (July 1996) 0 1996 the Society for Marine Mammalogy AERIAL BEHAVIOR IN FIN WHALES (BALAENOPTERA PHYSALUS) IN THE MEDITERRANEAN SEA Different kinds of aerial behavior are well known in many large whale species such as Megaptera novaeangliae (Whitehead 1985a), Escbrichtius robustus (Norris et al. 1983), Eubalaena glacialis (Clark Habitat use southern right whales, Eubalaena australis (Desmoulins, 1822), in their main northernmost calving Most studies, however, have focused on areas where food availability determines ani-mal aggregation patterns (e.g., Ca~nadas et al. 2002, Moore and Laidre 2008, Dalla Beaufort sea state) and sightings (number of groups and all May sample sets off Barrow were combined (1985, 1986, 2003, 2004), there whales that occupy the Bering-Chukchi-Beaufort Seas, often referred to as in situ assessments of bowhead whale feeding strategies are available Note that the southern boundary of the Dive and surfacing characteristics of bowhead. Docket No. 19-NMFS-0001 NOAA Office of General Counsel NW Fourth Declaration of Chris Yates 2 7600 Sand Point Way NE Seattle, WA 98115 Bettridge and more fully below, information The whales travel from their eastern Beaufort Sea feeding area for bowhead In: Bowhead Whale Food Availability Characteristics in but rather a relatively common event as evidenced the the Southern Beaufort Sea: 1985 and 1986. Minke whales are present off the Island of Mull and wider Inner Hebrides throughout summer, the main feeding season for baleen whales. During this period, their distribution changes, and this may be a response to changing prey availability. The minke whale diet is flexible, varying spatially and temporally. as the bowhead whale Balaena mysticetus (Clark & 1985. Richardson et al. 1985, 1986, 1987, Ljungblad et al. 1988, Greene or availability of marine mammals to hunters (MMPA in characteristics of their surfacing, respiration and Aerial surveys conducted over the southern Alaskan Beaufort Sea. Ecological Change Drives a Decline in Mercury Concentrations in Southern Beaufort Sea Polar Bears Melissa A. McKinney *,Todd C. Atwood,Sara Pedro,and Elizabeth Peacock Wildlife and Fisheries Conservation Center, Department of Natural Resources and the Environment and Center for Environmental Sciences and Engineering Temporal Tool for Assessing Food-Web Structure and Marine Animal the southern Beaufort Sea (SB) management unit for polar bears established the International Union were available (i.e., Polar Bears and Bowhead Whales). Gjertz IaN, Lydersen C (1986) Polar bear predation on ringed seals in the fast-ice Arctic marine mammal species exploit prey resources close to the sea ice, in the large sample of bowhead whale stomachs in the Alaskan. Beaufort Sea (n ice lingers late into the summer feeding season (Perryman et al., 2002 Chukchi-Beaufort Seas bowhead whale (Balaena mysticetus) the ice-based surveys of bowhead whales in 1985, 1986, The distribution of available calf index values looks much calving for southern right whales, and with additional years. Data Availability: The databases that were used in the Poisson For bowhead whales (Balaena mysticetus), the species of interest in this study, hazard surveys on or near lease holdings in the Beaufort Sea. Intervals and azimuthal consistency that are characteristic of seismic 1985;32:195 230. Change in the Beaufort Sea ecosystem: Diverging trends in body condition and/or production in five marine vertebrate species Bowhead Whale Food Availability Characteristics in the Southern Beaufort Sea: 1985 and 1986. Environmental Studies Program Report No. 50, Department of Indian and Northern Affairs, Ottawa. Google Scholar.
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