نتایج جستجو برای: subsistence fishing
تعداد نتایج: 16560 فیلتر نتایج به سال:
Presented by Bruce Bunting, Vice President of the Center for Conservation Finance of the World Wildlife Fund at the Marine Ornamentals Conference, November 26 December 1, 2001, Lake Buena Vista, Florida. Coral reefs are among the biologically richest ecosystems on earth. They are a source of biodiversity, food, environmental protection, recreation, and potential medicinal products. Throughout m...
The Northeast, Central, Western and Northwestern, and Patagonia and Tierra del Fuego regions dominate Argentina inland recreational fishing. Being each unique in terms of environmental context, fish fauna and fishery types. High species diversity, extractive fishing and highly priced fly-fishing catch and release fisheries characterizes the Northeast. The Central Western and Northwestern fisher...
چکیده ندارد.
—This paper presents a synopsis of discussions by commercial and subsistence fishers, biologists, fishery managers, and academicians about salmon management held at the symposium (this volume). The group reviewed current strategies and discussed changes that may be made to improve management with respect to fish numbers, stakeholder needs, and engagement of local people. The conservation of sal...
This paper lays the groundwork for a theory of time allocation across the life course, based on the idea that strength and skill vary as a function of age, and that return rates for different activities vary as a function of the combination of strength and skills involved in performing those tasks. We apply the model to traditional human subsistence patterns. The model predicts that young child...
Eastern Siberia’s Lake Baikal and its tributaries are productive fisheries, and the region’s Holocene archaeological sites confirm that this is a long-standing phenomenon. Recent zooarchaeological investigations of sites here allow Holocene fishing practices to be examined in more detail than was previously possible. Along much of the lake’s coast, bathymetry is very steep and the water very co...
1 SUMMARY At a superficial look, the Pachitea river basin gives the impression of being a space " without " fisheries " management " (absence of authority, uncertainty, exclusion). Nevertheless, following this general overview, we have observed the presence of institutional arrangements and various community management initiatives that reflect a "local order for fishing." This article analyzes ...
Ribbonfish, Trichiurus lepturus (Linnaeus, 1758), is an important component of subsistence fisheries throughout its tropical and subtropical distribution. The catch rate of ribbonfish has increased seven-fold in a decade in the Persian Gulf and Oman Sea. We collected monthly biological samples from T. lepturus, to estimate growth and mortality parameters, and identify species reproductive patte...
The following article presents some of the findings associated with site El Porvenir, in department Cesar, northern region Colombia. It subsistence strategies and possible uses space ancient inhabitants site, based on evidence fishing activities, which reveal establishment social relations aquatory, symbolic constructions aquatic spaces, a network use site.
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