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1 February 2004 Aquatic Habitat Modifications in La Plata River Basin, Patagonia and Associated Marine Areas
Ana Cristina Mugetti, Alberto Tomás Calcagno, Carlos Alberto Brieva, María Silvia Giangiobbe, Andrea Pagani, Silvia Gonzalez
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Abstract

This paper describes the environmental characteristics and situation of aquatic habitats and communities in southern continental and maritime areas of southeastern South America (Patagonian Shelf GIWA Subregion), resulting from an overall assessment carried out within the framework of a GIWA project, mostly on the basis of publicly available data. The main focus of the analysis was on the current situation of transboundary water resources and anthropogenic impacts. In the inland waters, habitat and community modifications result, principally, from dams and reservoirs built in the main watercourses for hydroelectric power generation and other uses. The transformation of lotic environments into lentic ones have affected habitats and altered biotic communities. In the La Plata River basin, invasive exotic species have displaced native ones. Habitats in the ocean have been degraded, as their biodiversity becomes affected by overfishing and pollution. This article includes a discussion on the causal chain and the policy options elaborated for the Coastal Ecosystem of Buenos Aires province and the Argentinean–Uruguayan Common Fishing Zone, where fishing resources are shared by both countries.

Ana Cristina Mugetti, Alberto Tomás Calcagno, Carlos Alberto Brieva, María Silvia Giangiobbe, Andrea Pagani, and Silvia Gonzalez "Aquatic Habitat Modifications in La Plata River Basin, Patagonia and Associated Marine Areas," AMBIO: A Journal of the Human Environment 33(1), 78-87, (1 February 2004). https://doi.org/10.1579/0044-7447-33.1.78
Published: 1 February 2004
JOURNAL ARTICLE
10 PAGES

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