نتایج جستجو برای: fishing community
تعداد نتایج: 376386 فیلتر نتایج به سال:
This work was carried out in the Enseada da Baleia and Vila Rápida communities. Data was provided by the Co-Management Committee of the Cardoso Island State Park (PEIC) on manjuba fishery management, technique and strategies used by the fishermen, as well as locally accumulated knowledge. Based on the results, social, ecological, and economic aspects of this type of fishing were analyzed. The i...
Fishing impacts on marine food webs are predicted by simulations of a size spectrum community model. In this model, predation is determined by predator and prey size and abundance, and drives predator growth and prey mortality. Fishing amplifies temporal oscillations in the biomass flow. Oscillations appear at lower fishing intensity and have wider amplitude when fishing is selective (removes a...
Wild chimpanzees are known to have a different repertoire of tool use unique to each community. For example, "ant-dipping" is a tool use behavior known in several chimpanzee communities across Africa targeted at driver ants (Dorylus spp.) on the ground, whereas "ant-fishing," which is aimed at carpenter ants (Camponotus spp.) in trees, has primarily been observed among the chimpanzees of Mahale...
The non utilization of fishing management techniques in the Amazônia has many causes such as land tenure instability, inadequate legislation and public policies, the advance of cattle ranching over the floodplains and lack of adequate credit and incentives. Amongst the effects caused by this problem we find the alteration of the ecological process in the floodplains, a decrease in some fish sto...
A study was conducted to assess the oral health status and treatment needs of a rural Indian fishing community. The fishing community had poor access to dental care. The survey was carried out using the WHO 1997 criteria in natural daylight. Convenience sampling method was employed and all the subjects available were examined The results of this survey revealed that a large percentage of the po...
CW: concerning predictions, there are two that are fairly robust: primary production limits possible total production, through it will not determine whether a system is stable or not. Here, Ecopath and its dynamic routines, Ecosim and Ecospace can help; equilibrium community composition responds to fishing: as you alter fishing mortality, a number of changes in abundance are predicted. Notably,...
This study offers a detailed analysis of community-based management (CBM) in a small island in Indonesia. In the study site, area-specific stewardship for a marine territory was informally institutionalized and, in addition to state rules, locally devised rules based on informal agreements have emerged. Using multiple methods for the analysis of the perceptions of the local community, this rese...
Globally the majority of commercial fisheries have experienced dramatic declines in stock and catch. Likewise, projections for many subsistence fisheries in the tropics indicate a dramatic decline is looming in the coming decades. In the Pacific Islands coastal fisheries provide basic subsistence needs for millions of people. A decline in fish catch would therefore have profound impacts on the ...
Coral reef fishes are exploited without the knowledge of their sustainability and their possible effect in altering the community structure of a coral reef ecosystem. Alteration of the community structure could cause a decline in the health of coral reefs and its services. We documented the coral community structure, status of live corals and reef fish assemblages in Palk Bay at the reef fishin...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید