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Brazilian Archives of Biology and Technology

Print version ISSN 1516-8913


ARAUJO, Izabel Cristina Leinig; DZIEDZIC, Maurício  and  MARANHO, Leila Teresinha. Management of the environmental restoration of degraded areas. Braz. arch. biol. technol. [online]. 2014, vol.57, n.2, pp.284-294. ISSN 1516-8913.

The aim of this work was to study ecotechnology for the management of degraded areas originally covered by the Atlantic Rainforest and located at the coordinates 25º31'50''S, 9º09'30''W. The area included 12 islands, each consisting of six jute bags with 20 kg of substrate (cattle manure and soil transposed from forest fragments). In six of these bags, native plants and seeds were also included. Six additional islands were selected randomly in the vicinity as the control. The process of evaluation was monitored through the chemical and granulometric soil analysis and surveys of survival, biometrics, floristic and phytosociological vegetation. An improvement in soil properties was observed where the model was implemented, which could be attributed to the substrate and re-vegetation. In the floristic and phytosociological studies, out of the 118 identified species, 65 were observed in the first floristic inventory and 86 in the second floristic inventory with similarities between the subfields of 27.69% and 11.36%, respectively. The influence of the substrate seed bank in the implemented islands was also observed. Increased diversity was only significant in the subareas with the model. It was concluded that this technology was effective in accelerating the succession and promoting the beginning of the restoration.

Keywords : restoration ecology; environmental degradation; soil management; revegetation.

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