The two different types of mining used in Madre de Dios
result in very different degraded landscapes. The use of
heavy machineries results in partially forested strips 15 to
30 meters wide and up to 500 meters long, while the more
recent minimally mechanized mining results in mounds of
gravel of more than 100 meters diameter and interspersed
with mercury contaminated mining pits. These two patterns
create different conditions for regrowth of forests, and influence the potential for restoration of biodiversity in areas
degraded by gold mining.
read more... http://cincia.wfu.edu/wp-content/uploads/CINCIA-Research-Brief-No.-1.pdf
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