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Findings From The 1991 Golden King Crab Survey In The Dutch Harbor And Adak Management Areas Including Analysis Of Recovered Tagged Crabs
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Book Synopsis Findings from the 1991 Golden King Crab Survey in the Dutch Harbor and Adak Management Areas, Including Analysis of Recovered Tagged Crabs by : S. Forrest Blau
Download or read book Findings from the 1991 Golden King Crab Survey in the Dutch Harbor and Adak Management Areas, Including Analysis of Recovered Tagged Crabs written by S. Forrest Blau and published by . This book was released on 1994 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis King Crabs of the World by : Bradley G. Stevens
Download or read book King Crabs of the World written by Bradley G. Stevens and published by CRC Press. This book was released on 2014-03-18 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: With species existing in all subpolar seas, king crabs are one of the most valuable seafoods. Major fluctuations in their abundance have stimulated a flurry of research and a rapid expansion of the scientific literature in the last decade. King Crabs of the World: Biology and Fisheries Management consolidates extensive knowledge on the biology, sys
Book Synopsis Bering Sea Aleutian Islands Crab Fisheries by :
Download or read book Bering Sea Aleutian Islands Crab Fisheries written by and published by . This book was released on 2004 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Movements of King Crabs Tagged and Released in Shumagin Islands Area, 1957-62 by : Murray L. Hayes
Download or read book Movements of King Crabs Tagged and Released in Shumagin Islands Area, 1957-62 written by Murray L. Hayes and published by . This book was released on 1963 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the summer of 1957, 1,999 male king crabs (Paralithodes camtschatica) were tagged and released in the Shumagin Islands-False Pass area south of the Alaska Peninsula. By August 15, 1962, 13.8 percent of the number released had been returned. Tagged crabs from single offshore release locations were usually caught in more than one bay, suggesting that the summer stock offshore was made up of components found in separate locations at other times of the year. Tagged crabs released inside or near the mouths of bays were usually returned from the same general area, suggesting little movement between bays. Minimum distances of individual crab movements between tagging and recovery varied from 0 to 110 miles, but more than 90 percent of the returns were taken less than 35 miles from the tagging site. No recoveries were made by the U.S. or Japanese fishery in the Bering Sea. Growth of the crabs was similar to that previously reported. Biennial and triennial molt periods were indicated for large crabs.
Book Synopsis The 2000 Aleutian Islands Golden King Crab Survey and Recoveries of Tagged Crabs in the 1997-1999 and 2000-2002 Fishing Seasons by : Leslie J. Watson
Download or read book The 2000 Aleutian Islands Golden King Crab Survey and Recoveries of Tagged Crabs in the 1997-1999 and 2000-2002 Fishing Seasons written by Leslie J. Watson and published by . This book was released on 2002 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis King Crabs of the World by : Bradley G. Stevens
Download or read book King Crabs of the World written by Bradley G. Stevens and published by CRC Press. This book was released on 2014-03-18 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: With species existing in all subpolar seas, king crabs are one of the most valuable seafoods. Major fluctuations in their abundance have stimulated a flurry of research and a rapid expansion of the scientific literature in the last decade. King Crabs of the World: Biology and Fisheries Management consolidates extensive knowledge on the biology, systematics, anatomy, life history, and fisheries of king crabs and presents it in a single volume. This book is the first comprehensive scientific reference devoted to the biology and fisheries of king crabs. The first part of the book describes king crabs and their place in the world, covering geographic distribution, depth and temperature ranges, and maps of known habitats. Chapters examine phylogenetic relationships, evolutionary history and phylogeography, internal and external anatomy of king crabs, and the history of North Pacific fisheries. There is also a chapter that presents a comprehensive overview of diseases and other anomalies of king crabs. The second part of the book describes the life history and biology of various king crab species, including embryonic development and environmental factors, the development and biology of larvae, the ecology and biology of juvenile stages, reproductive strategies of fished species, and the growth and feeding of king crabs and their ecological impacts. The third part of the book discusses human and environmental interactions with king crabs through fisheries, management, and ecosystems. Topics include the impacts of fishing—bycatch, handling, and discard mortality—king crab aquaculture and stock enhancement, and king crabs from various regions such as Southern Hemisphere waters, the Barents Sea, and Alaska. A chapter synthesizing various aspects of king crab biology provides an ecosystem-scale perspective and the final chapter presents the author’s outlook on the future of king crab research and populations.
Book Synopsis Results of the 2010 Triennial St. Matthew Island Blue King Crab Pot Survey and 2010/11 Tagging Study by : Robert Kerman Gish
Download or read book Results of the 2010 Triennial St. Matthew Island Blue King Crab Pot Survey and 2010/11 Tagging Study written by Robert Kerman Gish and published by . This book was released on 2012 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of a pot survey for blue king crabs, Paralithodes platypus, conducted in the St. Matthew Island, Alaska area between 59°30' - 60°30' N. latitude and 172°00' - 174°00' W. longitude in July and August 2010. Spatial patterns in tag-recovery rate by release location and by ADF&G statistical area of recovery are summarized and compared with patterns from the 1995 and 1998 tagging studies of St. Matthew Island blue king crab.
Book Synopsis The 2006 Triennial Aleutian Islands Golden King Crab Survey by : Leslie J. Watson
Download or read book The 2006 Triennial Aleutian Islands Golden King Crab Survey written by Leslie J. Watson and published by . This book was released on 2007 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report discusses the results of a longline pot survey for golden king crabs, Lithodes aequispinus, was conducted near Yunaska Island in the Aleutian Islands area east of 174°00ʹ W longitude in July and August 2006 aboard the F/V Ocean Olympic. Comparative catches by sex and size groupings for 62 stations that were fished in common during the 1997, 2000, 2003, and 2006 triennial surveys are discussed. Size distributions for 78 scarlet king crabs Lithodes couesi, 106 grooved Tanner crabs Chionoecetes tanneri, and commercially-important groundfish species are also reported.
Book Synopsis Overview of the Red King Crab Surveys Conducted in the Adak Management Area (R) Alaska, 1969-87 by : S. Forrest Blau
Download or read book Overview of the Red King Crab Surveys Conducted in the Adak Management Area (R) Alaska, 1969-87 written by S. Forrest Blau and published by . This book was released on 1993 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Project Operational Plan for the 1991 Aleutian Islands Golden (brown) King Crab Survey by : S. Forrest Blau
Download or read book Project Operational Plan for the 1991 Aleutian Islands Golden (brown) King Crab Survey written by S. Forrest Blau and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the International King Crab Symposium, Anchorage, Alaska, USA, January 22-24, 1985 by :
Download or read book Proceedings of the International King Crab Symposium, Anchorage, Alaska, USA, January 22-24, 1985 written by and published by . This book was released on 1985 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The 1997 Aleutian Islands Golden King Crab Survey by : S. Forrest Blau
Download or read book The 1997 Aleutian Islands Golden King Crab Survey written by S. Forrest Blau and published by . This book was released on 1998 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adult Male Dungeness Crab (Metacarcinus Magister) Movements Near Reedsport, Oregon from a Fisheries Collaborative Mark-recapture Study by : Kaety Hildenbrand
Download or read book Adult Male Dungeness Crab (Metacarcinus Magister) Movements Near Reedsport, Oregon from a Fisheries Collaborative Mark-recapture Study written by Kaety Hildenbrand and published by . This book was released on 2011 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Oregon's fishing community is concerned about the potential effects that wave energy conversion devices could have on Dungeness crab movement, behavior and harvests. Though crabbing has been a mainstay of West Coast economies for decades, little information has been collected or analyzed on adult Dungeness crab movement, in general, and for the Oregon Coast, specifically. To help begin addressing this critical information gap, The Oregon Wave Energy Trust (OWET), the Oregon Dungeness Crab Commission (ODCC) and Oregon Sea Grant added value to a planned baseline study conducted by H.T. Harvey and Associates. Crabs collected for the baseline study were tagged after they were measured and before they were returned to the ocean. Commercial crabbers later returned the tags, and were rewarded for collaborating in the project. Methods: Legal sized male crabs (6 1/4" carapace width) were tagged at three locations near Reedsport, Oregon, in October and November of 2009. A total of 2788 tags was deployed and crabs were recaptured in the commercial crab fishery. Tags were returned with recapture locations to Oregon Sea Grant and a $20/tag reward was provided. Results: Out of 2788 tagged crabs released, 952 crabs were recaptured and the tags returned to Oregon Sea Grant. A total of 626 tags was returned with location data of sufficient detail for analysis. The overall return rate of 34.15% is notably high for a mark-recapture study; however, this is not unreasonable because a high percentage of male crabs is harvested during each season. Additionally, a historic Oregon crab tagging study found a similar return rate. Crabs travelled distances ranging from 0.27 km to 90.68 km (Table 1). 65% of crabs traveled less than 20 km, 77.7% of crabs traveled less than 30km, and 95.5% of crabs traveled less than 50km (Figure 1). Crabs moved primarily in the alongshore direction, with minimal across shelf movement (Figure 4). See enclosed maps of recapture locations. Caveats: Because commercial crabbers target their fishing effort based on past experience, it is likely that some locations had a higher chance of being sampled than others. This sampling bias might inflate the tag recovery rate in those areas and has the potential to skew our results. That said, the tag recapture locations should not be interpreted as reflecting the distribution of fishing effort in the Reedsport study area. The distances reported here represent a minimum distance that the crab traveled. Additional tags were returned with general locations indicating that crabs may be moving as far north as Tillamook, Oregon (approximately 140 miles). It remains unknown to what degree Dungeness crab movements vary from year to year. The findings of this study should be treated as preliminary rather than definitive. Additional studies are needed to fully characterize adult Dungeness crab movements in Oregon's coastal waters."--Executive summary.
Book Synopsis Bottom trawl survey of crab and groundfish by : Daniel Urban
Download or read book Bottom trawl survey of crab and groundfish written by Daniel Urban and published by . This book was released on 1993 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 1990 and 1991 Southern District (Kachemak Bay) Dungeness Crab Pot Surveys, Including Comparison to Trawl Survey Catch by : Al Kimker
Download or read book 1990 and 1991 Southern District (Kachemak Bay) Dungeness Crab Pot Surveys, Including Comparison to Trawl Survey Catch written by Al Kimker and published by . This book was released on 1991 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Kachemak Bay Dungeness crab survey objectives were: identify the annual timing of the molt(s); document the percentage of soft shell males; document the sex, size and shellage of the catch, and the egg condition of all females; establish an index of abundance; document the incidental catch of king and Tanner crabs.
Book Synopsis Movement and Habitat Utilization by Golden King Crab Lithodes Aequispinus Benedict 1895 in Southeastern Alaska by : Zachary N. Hoyt
Download or read book Movement and Habitat Utilization by Golden King Crab Lithodes Aequispinus Benedict 1895 in Southeastern Alaska written by Zachary N. Hoyt and published by . This book was released on 2003 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Movements and habitat use of golden king crabs (GKC), Lithodes aequispinus, were investigated with a manned submersible and ultrasonic telemetry in Frederick Sound, Alaska. Crabs were collected with commercial crab pots and ultrasonic transmitters were attached to the carapaces of 26 crabs; movements and depth distribution of male and female crabs were monitored bi- monthly from May 11, 2000 to April 12, 2001. Crabs preferred steep, complex habitat with hard substrate; few were on flat, soft substrate. Male and female GKC were not segregated by depth in mid-May. Seventeen pairs of courting crabs were observed during dives; 14 of these pairs were associated with either intermittent or continuous boulder fields and 3 with wall substrates. Crabs did not have seasonal site fidelity. Crabs had seasonal changes in depth distribution, moving to deeper water during late fall and winter and returning to shallower depths during spring. Crabs moved as far as 39 km over one year. No evidence of spatial fidelity was observed; golden king crabs may be moving greater distances or site fidelity maybe on a longer temporal scale than our study, or golden king crabs may be nomadic in nature"--Leaf iii.
Book Synopsis A Bottom Trawl Survey for Crabs in the Prince William Sound Management Area, August 20-30, 1991 by : Al Kimker
Download or read book A Bottom Trawl Survey for Crabs in the Prince William Sound Management Area, August 20-30, 1991 written by Al Kimker and published by . This book was released on 1992 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Survey objectives were: determine Tanner crab (Chionoecetes bairdi) stock abundance in the Prince William Sound Management Area; document size and shell age for crabs caught in the region; determine corresponding egg condition of the females caught; record size and number of Pacific cod and other groundfish species in the region.
