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Index numbers and productivity measurement in multispecies fisheries: an application to the Pacific Coast Trawl Fleet
Squires, Dale - 1988
National Marine Fisheries Service. This study recommends that the following types of economic index numbers be used: chain …
Persistent link: https://www.econbiz.de/10009466933
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Stock assessment of the gulf menhaden, Brevoortia patronus, fishery
Vaughan, Douglas S. - 1987
A stock assessment of the gulf menhaden. Brevoortia patronus, fishery was conducted with data on purse-seine landings from 1946 to 1985 and port sampling data from 1964 to 1985. These data were analyzed to determine growth rates, yield-per-recruit, spawner-recruit relationships, and maximum...
Persistent link: https://www.econbiz.de/10009466935
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The predicting power of models for eutrophication
Van Straten, G. - 1992
Restoration of water-bodies from eutrophication has proved to be extremely difficult. Mathematical models have been used extensively to provide guidance for management decisions. The aim of this paper is to elucidate important problems of using models for predicting environmental changes. First,...
Persistent link: https://www.econbiz.de/10009466913
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Multi-Market Trading for Cooperative Resource Management: An Application to Water Pollution and Fisheries
Horan, Richard D.; Shortle, James S. - 2011
.g., pollution and a fishery). Prior work on managing these complex, linked systems generally focuses on efficiency rather than …
Persistent link: https://www.econbiz.de/10009446333
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Estimating the economic impact of environmental investments on retail costs and dealer strategies for offsetting these costs
Simpson, G.S. - 2009
Retail agrichemical dealers have become increasingly familiar with the concept of containment over the past several years. Currently, containment regulations are in place in 13 states, and are being drafted in 7 others. Agrichemical dealers in these states will be required to assess the...
Persistent link: https://www.econbiz.de/10009437168
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A EVOLUÇÃO DA INDÚSTRIA DE AGROTÓXICOS NO BRASIL DE 2001 A 2007: A EXPANSÃO DA AGRICULTURA E AS MODIFICAÇÕES NA LEI DE AGROTÓXICOS
Terra, Fabio Henrique Bittes; Pelaez, Victor Manoel - 2008
. From this, the agriculture’s performance supports pressure groups over the pesticides’ regulatory mark, in which … agriculture’s sector entities and pesticides’ industry representative entities have aimed to reduce the exigencies to register new … products, under the allegation that the pesticides’ price should fall, improving brazilian agricultural competitiveness and …
Persistent link: https://www.econbiz.de/10009442751
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The Influences of consumer attitudes and perceptions about pesticides and produce quality on technology transfer
Pool, William McLaren - 1996
Consumers have expressed concern about the human health and environmentalconsequences resulting from the use of agrichemicals by growers to produce food. Thispaper reports the results of a 1995 survey of consumer attitudes and perceptions aboutpesticides and fresh fruit and vegetable quality....
Persistent link: https://www.econbiz.de/10009459209
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Potential Impacts of Bt Eggplant on Economic Surplus and Farmers’ Health in India
Krishna, Vijesh V.; Qaim, Matin - 2007
In this article, the potential impacts of Bt eggplant technology in Indian agriculture are analyzed. Several proprietary Bt hybrids are likely to be commercialized in the near future. Based on field trial data, it is shown that the technology can significantly reduce insecticide applications and...
Persistent link: https://www.econbiz.de/10009444931
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Use of agricultural pesticides, maximum residue limits and impact on international trade: a case study
Fermam, Ricardo Kropf Santos; Antunes, Adelaide Maria … - 2009
Pesticides play an important role in agriculture, prevent loses by pests whichdestroy cultures and causes several … damages to producers and to exporting countries ofagriculture products. However, pesticides leave residues where they are used …
Persistent link: https://www.econbiz.de/10009445894
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Decade of ITQ Management in Icelandic Fisheries: Consolidation Without Consensus
Eythorsson, Einar - 2000
"While the Icelandic fisheries have been managed by individual transferable quotas (ITQs) for almost a decade and the … fisheries sector seems to be performing well in economical terms, there is still no consensus about quota issue. Lately, the … difficult situation of fisheries communities short of quota has been in the centre of the debate. "In 1991-95, the main …
Persistent link: https://www.econbiz.de/10009468327