Report on the Status of the Lake Sturgeon Acipenser Fulvescens in Canada PDF Download
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Author: Canada. Committee on the Status of Endangered Wildlife in Canada
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Book Description
Author: Canada. Committee on the Status of Endangered Wildlife in Canada
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Book Description
Author: Houston, J. J. P
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Book Description
Author: J.J.P. Houston
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: J. J. P. Houston
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN: 9780662459644
Category : Endangered species
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 230
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Book Description
The Lake Nipissing watershed is situated within the Great Lakes watershed of the province of Ontario, Canada. The two main objectives of this MRP were to compile all available secondary data and related information for Lake Nipissing lake sturgeon and to provide an updated status. To accomplish this, their life history, and past/present threats to their population were considered. To facilitate these objectives each chapter has been structured to reflect three major resource categories contained within. They include: 1) First Nation knowledge, rights and responsibilities in relation to Lake Nipissing lake sturgeon generated through a culturally Indigenous perspective; 2) Relevant written/photographic documentation pertaining to Lake Nipissing lake sturgeon; 3) Available secondary fisheries (scientific) data collected through field study for the Lake Nipissing watershed lake sturgeon. Fisheries data has been organized into three distinct time periods in order to help determine the current status of Lake Nipissing lake sturgeon: 1) 1991 - 1995 - immediately after the commercial fisheries was closed, 2) 2000 - 2005 - ten years post closure of the commercial fisheries, and 3) 2006 - 2012 - 15-21 years post closure of the commercial fisheries. This MRP has taken the first step towards developing a management strategy by compiling available secondary data for Lake Nipissing lake sturgeon. Based on the data compiled the recovery status of Lake Nipissing lake sturgeon is not improving.
Author: G.T.O LeBreton
Publisher: Springer Science & Business Media
ISBN: 1402028334
Category : Science
Languages : en
Pages : 336
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Book Description
Modern North American sturgeons and paddlefish are the result of 100 million years of evolution. Once an integral part of aboriginal culture, their numbers were decimated by overfishing and habitat destruction during the past two centuries. This book details the extensive science aimed at helping these remarkable species recover from the brink of extinction, and describes the historical, biological, and ecological importance of North American sturgeon and paddlefish. The text is enhanced by photographs and detailed line drawings. This comprehensive volume will be an invaluable resource for researchers, educators, and consultants, in academic and government settings, who work to further scientific understanding of these fishes. No other single compilation has documented current information in such detail.
Author:
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ISBN:
Category : Lake sturgeon
Languages : en
Pages : 0
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"SARA status: designatable unit - DU3 (special concern); COSEWIC status: DU1 & DU2 (endangered), DU4 (threatened)"--Page [1].
Author:
Publisher:
ISBN: 9780660091914
Category : Lake sturgeon
Languages : en
Pages : 153
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Author: Shawna Leigh Kjartanson
Publisher:
ISBN: 9780494599983
Category : Lake sturgeon
Languages : en
Pages : 276
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Book Description
The lake sturgeon (Acipenser fulvescens), is a species with considerable ecological, social and economic value. Unfortunately, over-exploitation and habitat alteration have led to the collapse of lake sturgeon fisheries across North America. Based on conservation concerns, the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) identified eight designatable units (DUs) among Canadian populations of lake sturgeon using the limited information available. These DUs are intended to represent taxonomically, genetically, geographically, or biogeographically distinct units below the species level. In this study, the genetic structuring among 20 lake sturgeon localities was examined using nine microsatellite loci. Lake sturgeon localities conformed to hierarchical partitioning of genetic diversity, with the greatest genetic divergence between localities in the Great Lakes and Hudson Bay drainages. Finally, minimal divergences among the current DUs warrant adjustment of lake sturgeon DU boundaries, to more appropriately reflect the distribution of genetic differentiation among lake sturgeon localities.
