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Dive And Surfacing Behavior Of Bowhead Whales Balaena Mysticetus Monitored By Satellite Telemetry
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Book Synopsis Dive and Surfacing Behavior of Bowhead Whales (Balaena Mysticetus) Monitored by Satellite-telemetry by : Gregory K. Krutzikowsky
Download or read book Dive and Surfacing Behavior of Bowhead Whales (Balaena Mysticetus) Monitored by Satellite-telemetry written by Gregory K. Krutzikowsky and published by . This book was released on 1996 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diving Characteristics and Sightability Estimates of Eastern Arctic Bowhead Whales, Balaena Mysticetus, Based on Satellite-linked Telemetry by : Larry Paul Dueck
Download or read book Diving Characteristics and Sightability Estimates of Eastern Arctic Bowhead Whales, Balaena Mysticetus, Based on Satellite-linked Telemetry written by Larry Paul Dueck and published by . This book was released on 2005 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Satellite-linked dive-recording instruments were deployed on four eastern Arctic bowhead whales. Two of the tagged animals were sexually mature females accompanied by calves. The other two animals were inferred to be an adult male and a juvenile female. Dive measurement data was received between July 5 and August 11, 2003. Tags reported data for 17-34 days for a total of 96 tag-days. Differences between whales were evident for surface time and certain dive characteristics; females accompanied by calves had the lowest mean dive duration and spent more time at the surface than the other whales. No differences in surface time or dive characteristics were observed for time-of-day. Adjustments to sightability estimates for application to aerial surveys of bowhead whales in the eastern Arctic are discussed.
Book Synopsis Application of Remote Methods of Large Cetacean Tracking by : Bruce R. Mate
Download or read book Application of Remote Methods of Large Cetacean Tracking written by Bruce R. Mate and published by . This book was released on 1995 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of the Alaskan Beaufort Sea by Bowhead Whales (Balaena Mysticetus) Tagged with Satellite Transmitters, 2006 – 18 by : Justin Olnes
Download or read book Use of the Alaskan Beaufort Sea by Bowhead Whales (Balaena Mysticetus) Tagged with Satellite Transmitters, 2006 – 18 written by Justin Olnes and published by . This book was released on 2020 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: We used satellite telemetry to examine bowhead whale movement behavior, residence times, and dive behavior in the Alaskan Beaufort Sea, 2006 – 18. We explored the timing and duration of use of three subregions (western, central, eastern) within the Alaskan Beaufort Sea and applied a two-state switching state-space model to infer bowhead whale behavior state as either transiting or lingering. Transiting whales made direct movements whereas lingering whales changed direction frequently and were presumably feeding. In spring, whales migrated across the Alaskan Beaufort Sea in 7.17 ± 0.41 days, primarily off the continental shelf over deep water. During the autumn migration, whales spent over twice as much time crossing the Alaskan Beaufort Sea than in spring, averaging 18.66 ± 2.30 days, spending 10.05 ± 1.22 days in the western subregion near Point Barrow. Most whales remained on the shelf during the autumn migration and frequently dove to the seafloor, where they spent 45% of their time regardless of behavioral state. Consistent dive behavior in autumn suggests that the whales were looking for food while migrating, and the identification of lingering locations likely reflects feeding. The lack of lingering locations in the eastern and central subregions suggests that prey densities are rarely sufficient to warrant whales pausing their migration for multiple days, unlike in the western subregion near Point Barrow, where bowhead whales regularly lingered for long periods of time.
Book Synopsis Observations on the Behavior of Bowhead Whales (Balaena Mysticetus) in the Presence of Operating Seismic Exploration Vessels in the Alaskan Beaufort Sea by :
Download or read book Observations on the Behavior of Bowhead Whales (Balaena Mysticetus) in the Presence of Operating Seismic Exploration Vessels in the Alaskan Beaufort Sea written by and published by . This book was released on 1989 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Bowhead Whale written by J.C. George and published by Academic Press. This book was released on 2020-09-11 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bowhead Whale: Balaena mysticetus: Biology and Human Interactions covers bowhead biology from their anatomy and behavior, to conservation, distribution, ecology and evolution. The book also discusses the biological and physical aspects of the Arctic ecosystem in which these whales live, with careful attention paid to the dramatic changes taking place. A special section of the book describes the interactions of humans with bowheads in past and present, focusing on their importance to Indigenous communities and the challenges regarding entanglement in fishing gear, industrial noise and ship strikes. This volume brings together the knowledge of bowheads in one place for easy reference for scientists that study the species, marine mammal biologists, but, equally important, for everyone who is interested in the Arctic. Presents the only current book dedicated to this species Includes short, high-impact chapters that make it possible to review all bowhead biology in one compact volume Illustrated with never-before published photos of bowheads in their natural environment Provides a platform for an in-depth understanding of indigenous whaling
Book Synopsis Satellite Tracking of Bowhead Whales by : Lori Quakenbush
Download or read book Satellite Tracking of Bowhead Whales written by Lori Quakenbush and published by CreateSpace. This book was released on 2015-06-26 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bowhead whales (Balaena mysticetus) are managed as an endangered species under the Endangered Species Act due to depletion by commercial whaling during the late 1800s. Bowheads are an important subsistence and cultural resource for coastal people of northern Alaska. Until recently, the entire Bering-Chukchi-Beaufort stock was thought to migrate through the Beaufort Sea twice annually: during their eastward, spring migration and their westward, fall migration. Recent summer sightings indicate some bowheads may stay in the Bering and Chukchi Seas and not enter the Beaufort at all. The importance of the Beaufort Sea for feeding is also in question due to conflicting study results.
Book Synopsis Behavior, Disturbance Responses and Distribution of Bowhead Whales, Balaena Mysticetus, in the Eastern Beaufort Sea, 1980-84 by : William John Richardson
Download or read book Behavior, Disturbance Responses and Distribution of Bowhead Whales, Balaena Mysticetus, in the Eastern Beaufort Sea, 1980-84 written by William John Richardson and published by . This book was released on 1985 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The general objectives of the 5-year study were to document the behaviour of bowhead whales in the Canadian Beaufort Sea and to determine whether exposure to various types of industrial activities affects this behaviour.
Book Synopsis The Bowhead Whale by : John J. Burns
Download or read book The Bowhead Whale written by John J. Burns and published by . This book was released on 1993 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to be a cohesive species account of the bowhead whale. Chapters detail the Bering Sea population, evolutionary relationships and classification, anatomy and physiology, behavior, foods and feeding ecology, reproduction, morbidity and mortality, distribution and movement, population size and dynamics, commercial whaling, subsistence whaling, and the influence of man and his activities.
Book Synopsis Update on Investigations of Bowhead Whale (Balaena Mysticetus) Movements in the Eastern Arctic, 2003-2005, Based on Satellite-linked Telemetry by : Larry P. Dueck
Download or read book Update on Investigations of Bowhead Whale (Balaena Mysticetus) Movements in the Eastern Arctic, 2003-2005, Based on Satellite-linked Telemetry written by Larry P. Dueck and published by . This book was released on 2006 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Satellite Tracking of Bowhead Whales by : Lori Trent Quakenbush
Download or read book Satellite Tracking of Bowhead Whales written by Lori Trent Quakenbush and published by . This book was released on 2005 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tracking marine megafauna for conservation and marine spatial planning by : Jorge M. Pereira
Download or read book Tracking marine megafauna for conservation and marine spatial planning written by Jorge M. Pereira and published by Frontiers Media SA. This book was released on 2023-02-09 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summer, Fall, and Early Winter Behavior of Beluga Whales, Delphinapterus Leucas, Satellite-tagged in Cook Inlet, Alaska, in 1999 and 2000 by : Kristin L. Laidre
Download or read book Summer, Fall, and Early Winter Behavior of Beluga Whales, Delphinapterus Leucas, Satellite-tagged in Cook Inlet, Alaska, in 1999 and 2000 written by Kristin L. Laidre and published by . This book was released on 2017 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following report contains detailed information on the movement patterns of beluga whales that were satellite-tagged in 1999 and 2000 in Cook Inlet, Alaska. The seasonal movements and dive patterns of three whales CI-9901, CI-0001, and CI-0002 were analyzed, and movement data from the whales tagged in 2000 were referenced to in a subsequent paper by Hobbs et al. (2005). However, the detailed analyses of diving behavior and movement patterns of these individual whales were never made available until now. The seasonal movements and dive patterns of three belugas in Cook Inlet, Alaska, were monitored between June and January 1999-2000 using satellite telemetry. One adult male whale was tagged on 30 May 1999 and tracked until 16 September 1999 (109 days), and one juvenile female and one adult male were tagged on 13 September 2000 and tracked until 2 (115 days) and 18 January 2001 (124 days), respectively. Whales remained in the inlet the entire time they were tracked. Mean dive depths across the entire tracking period ranged from 2.6 m (SD = 5.2) to 5.2 m (SD = 8.8). Mean dive durations ranged from 1.4 minutes (SD = 2.0) to 3.1 minutes (SD = 4.1). Overall mean time at surface (between 0 and 1 m) ranged from 23% to 70% and appeared to be related to season and location. Behavioral periods were identified for each whale (4-60 days) based on stationary movements in a particular part of the inlet and unique diving behavior during that time. Significant differences were found between diving behavior and tidal rate of change and direction, as well as whale location and average sea-ice concentration. Belugas in Cook Inlet display seasonal variation in dive behavior and movement patterns, both of which have implications for sightings rates, correction factors, and abundance estimates obtained for the population. [doi:10.7289/V5AFSC-PR-2017-08 (https://doi.org/10.7289/V5/AFSC-PR-2017-08)].
Download or read book Canadian Journal of Zoology written by and published by . This book was released on 2000 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observations on the Behavior of Bowhead Whales (Balaena Mysticetus)in the Presence of Operating Seismic Exploration Vessels in the Alaskan Beaufort Sea by : Donald K. Ljungblad
Download or read book Observations on the Behavior of Bowhead Whales (Balaena Mysticetus)in the Presence of Operating Seismic Exploration Vessels in the Alaskan Beaufort Sea written by Donald K. Ljungblad and published by . This book was released on 1985 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results of surveys aimed at gauging bowhead whale behavioral response to seismic activities and determining what distance from a active geophysical vessel avoidance behaviours or other manifestations of disturbance were likely to be displayed.
Book Synopsis Satellite Monitored Dive Characteristics of the Northern Right Whale, Eubalaena Glacialis by : Sharon L. Nieukirk
Download or read book Satellite Monitored Dive Characteristics of the Northern Right Whale, Eubalaena Glacialis written by Sharon L. Nieukirk and published by . This book was released on 1992 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: The western North Atlantic population of the northern right whale (Eubalaena glacialis) was severely depleted by whaling over the last century. Despite over fifty years of protection, fewer than four hundred individuals are believed to exist in the North Atlantic. Relatively little is known about the diving behavior, respiratory physiology, or diel activity of these whales, although such information could be useful in predicting population abundance and distribution in relation to food or environmental variables. Dive behavior data can be collected visually, but collection is limited to daylight hours, calm weather, and fortuitous encounters with study animals. Satellite-monitored radio tags offer the opportunity to collect data on individual whales' diving behavior continuously, over long distances and periods of time, and at relatively low cost. Thirteen North Atlantic right whales were tagged and monitored in the Gulf of Maine between 1989 and 1991. One male was tagged in 1989; two adult males, six adult females (two with calves) and one juvenile were tagged in 1990; one adult female (with a calf) and two juveniles were tagged in 1991. The duration of monitoring for the whales varied from
Book Synopsis Satellite Telemetry and Humpback Whales by : Amy Kennedy
Download or read book Satellite Telemetry and Humpback Whales written by Amy Kennedy and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation has been prepared in manuscript format and contains four individual papers. Each paper/chapter is formatted for the journal to which it has been, or will be, submitted. In the first manuscript, “From Whaling to Tagging: The evolution of knowledge regarding humpback whales in their North Atlantic breeding grounds”, I describe the evolution of humpback whale research from the days of Yankee whaling to the most recent satellite telemetry project in the West Indies breeding grounds. The humpback whales that over-winter in the West Indies are part of one of the most heavily studied whale populations in the world; projects conducted in this area have served as models for humpback whale research world-wide. This manuscript will be submitted for publication in Mammal Review in 2014. In my second manuscript, “Local and migratory movements of humpback whales satellite tracked in the North Atlantic Ocean”, I report the results of a satellite telemetry project that was conducted in the winters of 2008 through 2012 in the breeding areas of Silver Bank (Dominican Republic) and Guadeloupe (French West Indies). The results from this project add a level of detail to the current knowledge about North Atlantic humpback whale habitat use, migration, and population structure that could not be obtained without current satellite tagging technology. This paper has been reviewed and accepted for publication by the Canadian Journal of Zoology and will be published by November, 2013 ii In my third manuscript, “Individual variation in movements of humpback whales satellite tracked in the eastern Aleutian Islands and Bering Sea”, I report the results from a satellite telemetry project conducted off Dutch Harbor, (Alaska, USA) in the summers of 2007 through 2011. Satellite telemetry from this project showed the fine-scale use of foraging habitat in a North Pacific feeding ground. Additionally, a long-distance, within-season travel event was recorded in 2010, prompting speculation about the humpback population structure throughout the Bering Sea. This manuscript has been reviewed and accepted for publication by Endangered Species Research and will be published by November, 2013. In the fourth manuscript, “Assessing implantable satellite tag extrusion using light sensors”, I report the results of a novel approach for remotely quantifying tag rejection; the use of tag-mounted light sensors to indicate extrusion rate. The data for this paper were collected during a 2011 follow-up study aimed at assessing the behavioral and physiological responses of Gulf of Maine humpback whales to current tagging methods. Tag diagnostic technology like this, while still being developed, could significantly improve future telemetry work by updating tag design and placement methods to increase overall project efficiency. This paper has been accepted as a poster presentation at the 20th Biennial Conference on the Biology of Marine Mammals (December 2013, Dunedin New Zealand). It will be updated with the results from the 2013 Gulf of Maine tagging field season and submitted to a peer reviewed journal in 2014.
