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Externalities, institutions and the location choices of shellfish producers: the case of blue mussel farming in the Mont-Saint-Michel Bay (France) ArchiMer
Mongruel, Remi; Thebaud, Olivier.
Most marine aquaculture activities remain strongly dependent on coastal ecosystems. In the case of shellfish farming, this dependency is related mainly to water quality and to the various ecological interactions resulting from the dynamics of coastal food webs. Such ecological constraints have influenced the overall evolution of blue mussel farming in the Mont-Saint-Michel Bay, leading producers to negotiate collective arrangements regarding production capacity and techniques and to develop production strategies at the farm level. This article presents an analysis of the location choices of mussel farmers in the Mont-Saint-Michel Bay based on an empirical investigation conducted in 2002. A typology of farms with respect to their land structure is developed...
Tipo: Text Palavras-chave: Institutional arrangements; Location choices; Externalities; Economic performance indicators; Blue mussel farming.
Ano: 2006 URL: https://archimer.ifremer.fr/doc/2006/publication-6346.pdf
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Operating cost of sugarcane harvester in function of agricultural productivity and harvester age AGRIAMBI
Banchi,Ângelo D.; Garcia,Angel P.; Grespan,Andrei; Albiero,Daniel; Favarin,Luis G. A.; Galvão,Cezario B..
ABSTRACT The brazilian agriculture has expanded and improved its techniques in the last decades as well as the mechanization of sugarcane cultivation. Overall, the mechanization cost of this cultivation is the highest of the total cost of production in relation to other crops. That cost consists of several elements such as the cost of the harvester. This study aimed to develop a mathematical model that represents the operational cost of the harvester in relation to its operating life and agricultural productivity, parameters that are associated with its operational capacity. Simulations of this cost were conducted, raging the operating life of harvesters between 0 and 17,900 h, and the agricultural productivity of the cultivation from 50 to 130 Mg ha-1....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Economic performance indicators; Multiple regression; Agricultural management; Agricultural machinery efficiency.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000700552
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