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Assessment of tropical shrimp aquaculture impact on the environment in tropical countries, using hydrobiology, ecology and remote sensing as helping tools for diagnosis ArchiMer
Fuchs, Jacques; Martin, Jean-louis M.; Populus, Jacques.
After a period of rapid development of the sites (an increase in both reared surface area and production), tropical shrimp aquaculture is currently being faced with critical problems due to economical and ecological constraints. In many countries with favourable conditions for shrimp aquaculture such as indonesia or Vietnam, sites are often badly selected and/or over-exploited. This conducts to sorne extent to decreases or collapses in the production due to the difficulty in predicting the maximum production capacity of the sites. Furthermore, it appears that production sustainability depends on many factors among which socio-economy and ecolo gy are of prime importance. The STD3 project titled « Assessment of tropical shrimp aquaculture impact on the...
Tipo: Text Palavras-chave: Interaction aquaculture - environnement; Aquaculture crevettes; Critères écologiques et socio-économiques; Sélection de sites; Suivi du développement; Télédétection; SIG; Impact assessment; Coastal environment; Shrimp culture; Biological and socio-economic criteria; Site selection; Remote sensing; GIS.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00132/24357/22357.pdf
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Choix du site de culture de l’algue rouge <Gracilaria verrucosa> (Hudson) papenfuss dans la lagune de Bizerte : caracteristiques physico-chimiques de l’eau OceanDocs
Mensi, F.; Ksouri, J.; Hammami, W.; Romdhane, M.S..
La caractérisation environnementale de trois zones de la lagune de Bizerte a été faite dans le but d’identifier le meilleur emplacement pour la culture de l’algue rouge Gracilaria verrucosa. La concentration et la distribution des nutriments (ammonium, phosphate) dans l'eau ainsi que la salinité, la température et l’oxygène dissous ont été étudiées dans trois stations d’échantillonnage à différentes profondeurs (1, 2, 3 et 4 m) durant le printemps 2009 afin de suivre leurs variations. Les méthodes analytiques internationales standardisées ont été appliquées. La lagune est influencée par les apports de son bassin versant et est caractérisée par l’absence de toute stratification horizontale et verticale concernant les différents paramètres étudiés. Cette...
Tipo: Journal Contribution Palavras-chave: Site selection; Water quality; Gracilaria verrucosa.
Ano: 2010 URL: http://hdl.handle.net/1834/4991
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Setting priorities for private land conservation in fire-prone landscapes: Are fire risk reduction and biodiversity conservation competing or compatible objectives? Ecology and Society
Syphard, Alexandra D.; Conservation Biology Institute; asyphard@yahoo.com; Butsic, Van; Department of Environmental Science, Policy and Management, University of California Berkeley; vanbutsic@berkeley.edu; Bar-Massada, Avi; Department of Biology and Environment, University of Haifa at Oranim; barmassada@gmail.com; Keeley, Jon E.; U.S. Geological Survey, Western Ecological Research Center, Sequoia-Kings Canyon Field Station, Three Rivers, California; jon_keeley@usgs.gov; Tracey, Jeff A.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California; jatracey@usgs.gov; Fisher, Robert N.; Western Ecological Research Center, U.S. Geological Survey, San Diego Field Station, San Diego, California; rfisher@usgs.gov.
Although wildfire plays an important role in maintaining biodiversity in many ecosystems, fire management to protect human assets is often carried out by different agencies than those tasked for conserving biodiversity. In fact, fire risk reduction and biodiversity conservation are often viewed as competing objectives. Here we explored the role of management through private land conservation and asked whether we could identify private land acquisition strategies that fulfill the mutual objectives of biodiversity conservation and fire risk reduction, or whether the maximization of one objective comes at a detriment to the other. Using a fixed budget and number of homes slated for development, we simulated 20 years of housing growth under alternative...
Tipo: Peer-Reviewed Reports Palavras-chave: Housing arrangement; Reserve design; Site selection; Southern California; Species richness; Wildfire.
Ano: 2016
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