Environmental Solutions Of Recovery Of
Amazonian Forest Mining Operations
Author(s)
R. M. Longo, A. Í. Ribeiro, W. J. de Melo & A. C. Demanboro
Abstract
In order for the projects of recovery of degraded areas to be successful, it is
necessary to have a perfect recovery of the soil where the revegetation will be
implanted as an initial action in the recovery of the whole process. The use of
native forest species fully adapted to these types of terrain is another aspect of
great importance, once the non-selection of these species, even if abundant in the
surrounding areas, as it is in our case, implies great mortality of individuals
during the planting and their low fixation during the process. The establishment
of a monitoring program that contemplates the advancements obtained in the
soil, the vegetation and the return of wild animals also collaborate in the
evaluation of the success of the process. And, finally, the effective participation
of the mining company, accepting and applying the techniques tested and
indicated by research, even if, initially, the return time is longer than expected,
also guarantees the success of the process. The mining company not only
implemented a partnership with important universities in Brazil to obtain
solutions for the environmental problems but also applied the developed
techniques and the monitoring program. In the present work, we have attempted
to summarize important aspects to evaluate the advancements in the
rehabilitation plan for those areas, being here presented some results of the
monitoring of areas under different levels of recovery, in accordance with the
techniques adopted. Biological parameters of the soil were used to verify the
efficiency of these different techniques in the recovery process. This work is part
of the monitoring program of areas in rehabilitation by the mining company,
implemented as of 1999 and in partnership with universities. The microbial
activity was determined through the quantification of the carbon and nitrogen
microbial biomass (BMC and BMN) and the activity of the dehydrogenase
Keywords
recovery, degraded area
Related Book
Other papers in this volume
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