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Sei whale ecosystems scholar journals

WebMar 17, 2008 · Sei whales were the fourth most common whale caught by California whalers during the 1950s–1960s (Ohsumi & Wada, 1974 ). Using shipboard survey data Barlow ( 2003) estimated the sei whale population off California, Oregon and Washington to be 56 individuals (CV = 0.61). WebApr 1, 2024 · The Antarctic minke whale specimens were scanned via CT imaging and dissected but not sampled for biomechanical testing. CT scans were conducted with a Siemens SOMATOM Spirit scanner (Munich, Germany) and analyzed with 3D medical imaging software (OsiriX MD 11.0 DICOM Viewer, Pixmeo, Geneva, Switzerland).

Management of Antarctic baleen whales amid past exploitation, …

WebMay 18, 2024 · “Whale Fall” is a collective term for the whale carcass, the process of dead whale fall, and the formed deep-sea ecosystem. The whale fall process produces a lot of unstable organic matter that has a significant impact on deep-sea ecosystems. Scientists speculate that organic matter input is the source of energy and material for organisms in … WebMar 1, 2003 · Japan's scientific whaling program in the North Pacific (JARPN) was originally described as a feasibility study, but it included no performance measures by which to … charlotte section 8 housing list https://martinwilliamjones.com

Whale jaw joint is a shock absorber Journal of Experimental …

WebNov 3, 2024 · Whales are more important ecosystems engineers than previously thought Date: November 3, 2024 Source: Stanford University Summary: Research on whale feeding … WebJan 1, 2024 · Bryde’s whales were long confused with sei whales. Further, as known they included a later-described separate species, Omura’s whale (Balaenoptera omurai).Large pelagic and smaller coastal forms are recognized as subspecies B. edeni brydei and B. edeni edeni, respectively.. Bryde’s whales can be recognized at sea by the three distinct ridges … WebMar 3, 2024 · Google Scholar. Edward A. Roualdes. 0000-0002-8757-3463 , Edward A. Roualdes ... has allowed them to become successful predators with a worldwide distribution and a keystone role in supporting ocean ecosystems (Goldbogen et al., 2024; Roman et al., 2014; ... Sei whales and gray whales were not included in the analysis of rolls, as they had ... charlotte section 8 list

Low-frequency vocalizations of sei whales

Category:The Impact of Whaling on the Ocean Carbon Cycle: Why Bigger …

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Sei whale ecosystems scholar journals

On the occurrence of sei whales, Balaenoptera borealis, in the …

WebMay 14, 2024 · ‘Sei whales likely represent a functional and ecological intermediate in the transition between intermittent filter feeding and continuous filter feeding’, says Paolo … WebMay 14, 2024 · Sei whales represent a functional and ecological intermediate in the transition between intermittent and continuous filter feeding. Functionally, sei whales can …

Sei whale ecosystems scholar journals

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WebNov 3, 2024 · Whales are more important ecosystems engineers than previously thought. Research on whale feeding highlights how the precipitous decline of large marine mammals has negatively impacted the health ... WebMay 11, 2009 · Google Scholar Omura, H., 1950. On the body weight of the sperm and sei whales located in the adjacent waters of Japan. Scientific Reports of the Whales Research Institute, 4, 1 – 13. Google Scholar Parry, D. A., 1949. The structure of whale blubber and its thermal properties. Quarterly Journal of Microscopical Science, 90, 13 – 26.

WebChapman D.G. 1974. Estimation of population size and sustainable yield of sei whales. Reports of the International Whaling Commission 24: 82–90. Google Scholar Clark C.W. … WebOct 11, 2010 · For some marine ecosystems it may be appropriate to expand this term beyond one that emphasizes whales to acknowledge greater importance of pinnipeds or …

WebWhale falls produce remarkable organic- and sulfide-rich habitat islands at the seafloor. The past decade has seen a dramatic increase in studies of modern and fossil whale remains, … WebJul 9, 2024 · Both of the oscillatory frequency values for the lone tagged sei whale (routine: 0.22 Hz; lunge-associated: 0.30 Hz) fell approximately halfway between the values for the humpback and blue whales, which aligns with the sei whale's body length (16.62 m) being approximately halfway between the mean humpback and blue whale (22.41±0.33 m) body ...

WebOct 23, 2015 · These calls are similar to those reported from sei whales off New England and similar to those recorded off Hawaii. The growing body of acoustic data on sei whale vocalizations may contribute to the understanding of this species' distribution and population identity; key information is needed to guide future conservation efforts for this …

WebMay 19, 2013 · Evidence for density-dependent changes in body condition and pregnancy rate of North Atlantic fin whales over four decades of varying environmental conditions. – ICES Journal of Marine Science, 70: 1273–1280. A central theme in ecology is the search for pattern in the response of a species to changing environmental conditions. charlotte selley facebookWebAug 28, 2024 · The abundance of the sei whale Balaenoptera borealis in the central and eastern North Pacific (north of 40°N, south of the Alaskan coast including both the US and … charlotte selbyWebOct 23, 2015 · ABSTRACT. Sei whale calls have been documented on very few occasions and never in the Azores Archipelago, an area transited by this species during their … charlotte section 8 vouchersWebMay 26, 2024 · Clearly there is a need for detailed longitudinal study of cetaceans as they represent an important mammalian group given their extreme adaptations to marine … charlotte seifert artWebDec 8, 2005 · Sei whales are the least well known acoustically of all the rorquals, with only two brief descriptions of their calls previously reported. Recordings of low-frequency tonal and frequency swept calls were made near a group of four or five sei whales in waters west of the Antarctic Peninsula on 19 February 2003. charlotte section 8 programWebChapman D.G. 1974. Estimation of population size and sustainable yield of sei whales. Reports of the International Whaling Commission 24: 82–90. Google Scholar Clark C.W. 1973. Profit maximization and the extinction of animal species. Journal of Political Economy 81: 950–961. Google Scholar Clark C.W. 1990. charlotte shaferWebJun 29, 2010 · This paper reports on the occurrence of the sei whale (Balaenoptera borealis) in the south-western Atlantic. Only in recent years have sei whale sightings been reported regularly within the surveyed area. In a total of 20 sightings, 65% were reported from August to September. Group size was small, averaging 1.94 (SD = 1.21) individuals per group. charlotte section 8 waiting list