نتایج جستجو برای: fishery

تعداد نتایج: 7961  

2016

SAMUDRA RepoRt No. 72 The marine fishery of the Kerala state in India is globally wellknown for its high productivity, species diversity, skilled fishers and also, importantly, for sustaining a vibrant small-scale fishery on its once-sandy beaches. Kerala’s fishery has been a trendsetter. It hosted the world’s first development project in 1952 when Norway, India and the United Nations (UN) came...

2000
Keiichi Nemoto Chris Boggs Pierre Kleiber John Sibert Mike Travis John Yanagida

We develop an economic model for a multi-species fishery that incorporates the spatial distribution of effort and fish stocks. Catchability coefficients and initial stocks are estimated from catch and effort data for each specific location. Vessels are allocated over space and time to locations of maximum profit which decline with harvest because of stock externalities. A supply function for la...

2010
Mark P. Ebener James R. Bence Philip J. Schneeberger

Commercial-fishery statistics were integrated with biological data from the fishery to develop statistical catchat-age models of lake whitefish (Coregonus clupeaformis) in the 1836 treaty-ceded waters of the upper Great Lakes. Fishery yield and effort were adjusted to account for underreporting and increases in height of gillnets. Biological inputs to models included maturity, age composition, ...

2000
Markus Vetemaa Redik Eschbaum Robert Aps Toomas Saat

The transition process from the Soviet economical system to the market economy in fisheries has received relatively little attention from fisheries researchers. This study analyze how overall changes in political and economical life of Estonia during the last decade have affected the complex system of the environmental, economic, social and legal issues connected to the coastal fishery of the B...

2003
Naresh C. Pradhan PingSun Leung

A behavioral study on the entry, stay and exit decisions of the fishers in Hawaii’s longline fishery was undertaken in a random utility framework by applying the multinomial logit (unordered) model. Pooled annual cross-sectional and time-series (1991–1998) data were used. The empirical results confirm that the entry, stay, and exit decisions are significantly associated with the earning potenti...

2011
Alassane Samba

Eco-labelling is considered with increased interest within the scope of fisheries crisis, as a way to tackle both marine biodiversity conservation and development issues. Along West African Coast, diversity and specificity of seafood issued from localised fishery systems (or fishery territories) are remarkable and recognised from long time. Recently, initiatives to draw more value from fish and...

2011
Kathleen Miller Anthony Charles Manuel Barange Keith Brander Vincent F. Gallucci Maria A. Gasalla Ahmed Khan Gordon Munro Raghu Murtugudde Rosemary E. Ommer Ian Perry

This paper explores the importance of a focus on the fundamental goals of resilience and adaptive capacity in the governance of uncertain fishery systems, particularly in the context of climate change. Climate change interacts strongly with fishery systems, and adds to the inherent uncertainty in those complex, interlinked systems. The reality of these uncertainties and linkages leads to a reco...

1999
S. LANGITOTO HELU JAMES J. ANDERSON DAVID B. SAMPSON

The stability of a fishery system was investigated using two forms of a stochastic computer simulation model that was individually based in terms of the fishing boats. Fish catch was partitioned among boats according to two catch processes: an unranked process in which all boats had equal ability to catch fish and a ranked catch model in which a boat’s ability to catch fish depended on its weal...

2010
Alassane Samba

Eco-labelling is considered with increased interest within the scope of fisheries crisis, as a way to tackle both marine biodiversity conservation and development issues. Along West African Coast, diversity and specificity of seafood issued from localised fishery systems (or fishery territories) are remarkable and recognised from long time. Recently, initiatives to draw more value from fish and...

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