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Author : Mark R. Stirling,Ontario. Fish and Wildlife Branch
Publisher : Peterborough : Ontario Ministry of Natural Resources, Fish and Wildlife Branch
Page : 49 pages
File Size : 51,9 Mb
Release : 1999
Category : Fish stock assessment
ISBN : 0777884003
Author : Anonim
Publisher : Unknown
Page : 664 pages
File Size : 53,8 Mb
Release : 1994
Category : Government publications
ISBN : STANFORD:36105117842463
Cumulates monthly issues and includes additional material.
Author : Terry L. Schroeder
Publisher : Unknown
Page : 486 pages
File Size : 46,9 Mb
Release : 1983
Category : Intelligence officers
ISBN : MINN:20000004271850
Author : Anonim
Publisher : Unknown
Page : 72 pages
File Size : 45,6 Mb
Release : 2024-06-29
Category : Aids to navigation
ISBN : UOM:39015047402709
Author : National Research Council,Division on Earth and Life Studies,Ocean Studies Board,Committee on the Review of Recreational Fisheries Survey Methods
Publisher : National Academies Press
Page : 202 pages
File Size : 42,8 Mb
Release : 2006-07-13
Category : Technology & Engineering
ISBN : 9780309180252
Recreational fishing in the United States is an important social and economic component of many marine fisheries, with an estimated 14 million anglers making almost 82 million fishing trips in 2004. Although each individual angler typically harvests a small number of fish, collectively these sport fisheries can take a significant fraction of the yearly catch-in some cases more than commercial fisheries. For example, in 1999, recreational fishing accounted for 94% of the total catch of spotted sea trout, 76% of striped bass and sheephead, and 60 percent of king mackerel. It is important that systems used to monitor fishing catch are adequate for timely management of recreational fisheries. However, the large number of anglers and access points makes monitoring recreational fishing much more difficult than monitoring commercial fishing. This report reviews the types of survey methods used to estimate catch in recreational fisheries, including state/federal cooperative programs. The report finds that both telephone survey and onsite access components of the current monitoring systems have serious flaws in design or implementation. There are also several areas of miscommunication and mismatched criteria among designers of surveys, data collectors, and recreational fisheries. The report recommends that a comprehensive, universal sampling frame with national coverage should be established, and that improvements should be made in statistical analysis of the data collected and in the ways the data are communicated. A permanent and independent research group should be established and funded to evaluate the statistical design and adequacy of recreational fishery surveys and to guide necessary modifications or new initiatives.
Author : Robert B. Roosevelt
Publisher : BoD – Books on Demand
Page : 330 pages
File Size : 43,9 Mb
Release : 2020-09-10
Category : Fiction
ISBN : 9783846058770
Reprint of the original, first published in 1869.
Author : Robert Barnwell Roosevelt
Publisher : Unknown
Page : 318 pages
File Size : 54,9 Mb
Release : 1865
Category : Fishes
ISBN : HARVARD:HWHKD4
Author : Brian C. Wadell
Publisher : Artech House Microwave Library
Page : 544 pages
File Size : 43,8 Mb
Release : 1991
Category : Technology & Engineering
ISBN : UOM:39015021837029
The Transmission Line Design Handbook consolidates and distills key design data from over 600 original sources. It features 800 equations, 220 illustrations, and 610 references.
Author : International Joint Commission
Publisher : Unknown
Page : 72 pages
File Size : 50,7 Mb
Release : 1924
Category : Canada
ISBN : UOM:39015002595083
Author : Michael P. Kerney
Publisher : Brill
Page : 272 pages
File Size : 51,7 Mb
Release : 1999
Category : Science
ISBN : STANFORD:36105023641371
Published in association with the Conchological Society of Great Britain and Ireland, this atlas is the culmination of nearly forty years' work by its members in almost every corner of the British Isles, resulting in an impressively thorough coverage based on the 10km square. The Introduction includes Early History of Recording; The Mapping Scheme; Factors Influencing Distribution; History of the British Fauna; and the Future. The dot-distribution maps, generated in 1998 by the Biological Records Centre, ITE, Monks Wood, cover all species, whether native or introduced and naturalized, and are accompanied by notes on their habitat, history (including fossil occurrence), British status and overseas distribution, and include a small black-and-white illustration of each species. A select Bibliography; six maps illustrating relevant environmental factors; Localities mentioned in the text with their grid references; List of Recorders; and an Index complete the work.
Author : David Grigg
Publisher : Routledge
Page : 240 pages
File Size : 40,6 Mb
Release : 2003-09-02
Category : Science
ISBN : 9781134887644
Employing nearly half of the world's workforce, agriculture is clearly of great economic and social importance. An incredible variety of methods are used globally; the Western world has the latest scientific and industrial advancements at its disposal, yet in the Thrid World a living is made using tools that have hardly changed in two thousand years. An Introduction to Agricultural Geography provides an extensive guide through this diverse and increaslingly important geographical subject, aiming to show that a wide range of factors explain how agricultural practices differ from place to place. Dealing with the physical environment, economic behaviour and demands, institutional and social influences and the impact of farming upon the environment, the author has produced an important introductory text that is topical, incisive and ultimately essential to reach an understanding of the remarkable diversity of the world's major industry.
Author : Anonim
Publisher : Unknown
Page : 308 pages
File Size : 45,7 Mb
Release : 2002
Category : Aids to navigation
ISBN : UOM:39015057977731
Author : Prasanta Ray
Publisher : Unknown
Page : 308 pages
File Size : 54,8 Mb
Release : 2019
Category : Reliability
ISBN : 9352876253
Author : Peter Henry Andrews Sneath,Robert R. Sokal
Publisher : W H Freeman & Company
Page : 573 pages
File Size : 45,5 Mb
Release : 1973-01-01
Category : Classification
ISBN : 0716706970
Author : Anonim
Publisher : Unknown
Page : 160 pages
File Size : 44,6 Mb
Release : 2003
Category : Education
ISBN : UOM:39015063178621
Contributed articles culled from University news, a serial.
