نتایج جستجو برای: acceptable biological catch

تعداد نتایج: 538610  

2017
Oscar Volij Muhammad Mahajne

Consider a set of K alternatives. We say that an alternative is socially acceptable if the number of individuals that rank it among their most preferred half of the alternatives is at least as large as the number of individuals that rank it among the least preferred half. A Condorcet winner is not necessarily socially acceptable. We propose a concept of consensus as a condition on preference pr...

2003

Although the Individuals Education Act (IDEA, 1990; 1997) has provided a national mandate to help high school students with disabilities grow into independent adults, youth with emotional and behavioral difficulties continue to experience considerable problems transitioning into adulthood. Their adjustment into socially acceptable adult roles has been examined in a number of follow-up and follo...

Journal: :Computers & OR 1993
Hossein Arsham

This paper deals with the problem of scheduling optimal advertising policy for a very general class of consumer buying behavior models. To avoid analysis of a complex multitude of social-psychological and cultural-environmental factors affecting the consumer’s decision we construct a stochastic model. Because of the diminishing effect of even advertising policy, we consider advertising pulsing ...

The purpose of this paper was to detail some important biological aspects of T. tonggol in coastal waters of Hormuzgan Province(Persian Gulf and Oman Sea). A total monthly data of 4383 individuals ranging from 25 to 124 cm fork length were collected from April 2015 to March 2016. The data were analyzed with FiSAT II software using the ELEFAN1  package  to estimate the  population parameters. Th...

2012
David R Strutton Raymond A Farkouh Jaime L Rubin Lisa J McGarry Paul M Loiacono Keith P Klugman Steven I Pelton Kristen E Gilmore Milton C Weinstein

BACKGROUND Analysis of US claims data from April 2010 to June 2011 estimated that 39% of the 13-valent pneumococcal conjugate vaccine (PCV13) catch-up eligible cohort would ever receive the catch-up vaccination; a previous analysis assumed 87%. METHODS This updated figure was applied to a previously published 10-year Markov model while holding all other inputs constant. RESULTS Our model es...

2013
John Lynham

A unique database was created that describes the methods used to allocate shares in nearly every major catch share fishery in the world. Approximately 54% of the major catch share fisheries in the world allocated the Total Allowable Catch (TAC) solely on the basis of historical catch records, 3% used auctions, and 6% used equal sharing rules. The remaining 37% used a combination of methods, inc...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2011
Trevor A Branch Olaf P Jensen Daniel Ricard Yimin Ye Ray Hilborn

There are differences in perception of the status of fisheries around the world that may partly stem from how data on trends in catches over time have been used. On the basis of catch trends, it has been suggested that about 70% of all stocks are overexploited due to unsustainable harvesting and 30% of all stocks have collapsed to <10% of unfished levels. Catch trends also suggest that over tim...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
فاطمه رزاقی بورخانی دانشجوی دکتری ترویج کشاورزی، دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران احمد رضوانفر استاد دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران حسین شعبانعلی فمی دانشیار دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران محمد شوکتی آمقانی دانشجوی کارشناسی ارشد توسعه روستایی، دانشکده اقتصاد و توسعه کشاورزی دانشگاه تهران

the main purpose of this study was to determine factors influencing the adoption of biological control by paddy farmers. the population consisted of paddy farmers in saricounty. sampling of 260 farmers was selected by using proportional random sampling method. data were collected by means of a questionnaire. validity of questionnaire was confirmed by agricultural jihad experts of saricounty and...

Journal: :محیط زیست طبیعی 0
طاهر قدیریان دانش آموخته کارشناسی ارشد زیستگاه ها و تنوع زیستی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران محمود کرمی استاد گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران افشین دانه کار دانشیار گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران محمودرضا همامی استادیار دانشکده منابع طبیعی، دانشگاه صنعتی اصفهان

population and density estimate of black rat in mangrove forests was conducted by two independent procedures, including seber-jolly and catch-effort methods. a selected trapping area with 15 hectares was studied. first, 60 cage traps for seber-jolly and then 80 cage traps for catch-effort method installed in the trapping area. we used color earrings and numerical rings for marking the captured ...

2001
Michael S. Kavic

201 Modern society has placed a high premium on good health, a lean body, and comeliness. As a nation we eat better, exercise more, and seek a healthier lifestyle to achieve physical well being. A national consensus seems to exist that a well-proportioned body is a thing of beauty. It is no wonder, therefore, that obesity, a caricature of the beautiful body, has been responsible for ridicule an...

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