THE SPACE AND AGROECOSYSTEMS SUSTAINABILITY ORGANIZATION IN ESTUARY RIO SAN FRANCISCO - BRAZIL
DOI:
https://doi.org/10.12957/geouerj.2016.20426Keywords:
Sustainable Agroecosystems, Geomorphology River and Estuary.Abstract
doi: 10.12957/geouerj.2016.20426
The construction of dams and regulating the flow is directly implicated in the hydrological system of the Lower São Francisco (BSF), reflected in the erosion and sedimentation and the man nature relationship. The purpose of this article is to discuss and understand the organization of agro-ecosystems of the São Francisco River estuary from the study of its components and their interactions, structure, functionality, inputs and outputs of the system, beyond its boundaries. The evaluation of the properties of agro-ecosystems as proposed by Conway (1983 and 1987) and Marten (1988), is an important tool for understanding the interaction of environmental estuary system as well as the identification and discussion of impacts on the structure, function and assessment of the properties (productivity, stability and equity) of agroecosystems. The regulation of the flow caused changes in environmental dynamics, reducing agricultural biodiversity, compromising the sustainability of agroecosystems and food supply for aquatic fauna, interfering in the process of renewal of floodplains and exploitation of fish stocks.
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