نتایج جستجو برای: fishers equation

تعداد نتایج: 231415  

2003
Håkan Eggert Peter Martinsson

Empirical studies of fishers’ preferences have found that most fishers are risk-averse, while expected-utility theory predicts risk neutrality even for sizable stakes. We test this prediction using data from a stated choice experiment with Swedish commercial fishers. Our results show that almost 90% of the respondents do not behave as expected-utility maximizers. 48% of the fishers can be broad...

2016
Aoi Sugimoto

Migration is part of fishers’ livelihood strategies, and the topic of ‘migration and fisheries’ has gained considerable attention from researchers. Previous works identified negative and positive impacts of migrant fishers on local communities. However, little attention has been given to how social relationships are actually built between migrant fishers and local residents. This paper is based...

2016
Andrea P. C. Wallace Julia P. G. Jones E. J. Milner-Gulland Graham E. Wallace Richard Young Emily Nicholson

Understanding how fishers make decisions is important for improving management of fisheries. There is debate about the extent to which small-scale fishers follow an ideal free distribution (IFD) - distributing their fishing effort efficiently according to resource availability rather than being influenced by social factors or personal preference. Using detailed data from 1800 fisher catches and...

2011
Apurba Krishna Deb Emdad Haque

Due to its deltaic geographical position and precarious socioeconomic and demographic conditions, Bangladesh is recognized worldwide for its exposure to recurring environmental hazards. Based on a 21-month long field study in two fishing villages that are characterized by distinct ecological settings and ethnic groups, this article examines the arrays of cross-scale environmental, social and in...

2016
Ayana Elizabeth Johnson

Fishers and divers are the major resource users of Caribbean coral reefs. On Curaçao and Bonaire, reef condition is good relative to the Caribbean average, but fishes and corals have greatly declined over the last few decades. We interviewed 177 fishers and 211 professional SCUBA divers to assess their views on the extent and causes of degradation. Fishers know fish stocks are severely depleted...

2013
Mohammad Mahmudul Islam Ratana Chuenpagdee

Small-scale fishers in Bangladesh face substantial risks due to their occupation and their geographical setting. Without any effective buffer against crises, recurring shocks and on-going risk exposure are major factors pushing fishers into poverty. Not all fishers experience these events in the same way, however, with some of them showing higher capacity to negotiate risks. In this study, we a...

Journal: :Journal of Ethnobiology and Ethnomedicine 2005
Ierecê ML Rosa Rômulo RN Alves Kallyne M Bonifácio José S Mourão Frederico M Osório Tacyana PR Oliveira Mara C Nottingham

From a conservationist perspective, seahorses are threatened fishes. Concomitantly, from a socioeconomic perspective, they represent a source of income to many fishing communities in developing countries. An integration between these two views requires, among other things, the recognition that seahorse fishers have knowledge and abilities that can assist the implementation of conservation strat...

2016
Alpina Begossi Svetlana Salivonchyk Priscila F. M. Lopes Renato A. M. Silvano

BACKGROUND Although fishers' knowledge has been recently considered into management programmes, there is still the need to establish a better understanding of fishers' perceptions and cognition. Fishers can provide novel information on the biology and ecology of species, which can potentially be used in the management of fisheries. The knowledge fishers have and how they classify nature is empi...

2016
Ana Helena V. Bevilacqua Adriana R. Carvalho Ronaldo Angelini Villy Christensen

BACKGROUND Ecosystem modeling applied to fisheries remains hampered by a lack of local information. Fishers' knowledge could fill this gap, improving participation in and the management of fisheries. METHODOLOGY The same fishing area was modeled using two approaches: based on fishers' knowledge and based on scientific information. For the former, the data was collected by interviews through t...

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