Positive Effect of Ecological Restoration with Fabaceous Species on Microbial Activities of Former Guyanese Mining Sites

Understanding ecological trajectories after mine site rehabilitation is essential to develop relevant protocols adapted for gold mining sites. This study describes the influence of a range of mine site rehabilitation and revegetation protocols on soil physicochemical parameters and microbial activit...

Full description

Saved in:
Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2022-03, Vol.27 (6), p.1768
Main Authors: Couic, Ewan, Tribondeau, Alicia, Alphonse, Vanessa, Livet, Alexandre, Bousserrhine, Noureddine
Format: Article
Language:English
Subjects:
Biogeochemistry
Biomass
Carbon
catabolic diversity
Contamination
Controlled conditions
Ecological effects
ecological restoration
Environmental restoration
fabaceous species
gold mining
Guyana
Legumes
Metabolism
Microbial activity
microbial community
Microorganisms
Mineralization
Mining
Monoculture
Nitrogen
Organic matter
Organic phosphorus
Phosphorus
Rehabilitation
Respiration
Revegetation
Site rehabilitation
Soil
Soil erosion
Soil Microbiology
Sustainable development
Trees - metabolism
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Understanding ecological trajectories after mine site rehabilitation is essential to develop relevant protocols adapted for gold mining sites. This study describes the influence of a range of mine site rehabilitation and revegetation protocols on soil physicochemical parameters and microbial activities related to carbon, nitrogen and phosphorus cycles. We sampled soil from six rehabilitated mining sites in French Guiana with different plant cover (herbaceous, Cyperaceous, monoculture of and and association of and ). We measured the mineralization potential of organic matter by estimating the mineralization of carbon, nitrogen and phosphorus and the microbial catabolic diversity balance. The results showed an improvement in the quality of organic matter on revegetated sites with tree cover. On restored sites with fabaceous species, the microbial biomass is three times higher than non-restored sites, improving the rates of organic matter mineralization and restoring the catabolic diversity to the level of natural Guyanese soils. These results confirm that the establishment of fabaceous species under controlled conditions significantly improves the restoration of microbial communities in mining soils.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27061768