Mine Site Rehabilitation

Biochar Effects on Two Tropical Tree Species and Its Potential as a Tool for Reforestation

Background:

Although biochar is starting to be recognized as a potential soil fertilizer, most of the current studies are focused on the growth response of herbaceous crops and not on the impacts of biochar on tree development.

Goals:

The authors measure the survival rate, growth, and biomass accumulation of the seedlings of two tropical tree species Terminalia amazonia (“terminalia”) and Guazuma crinita (“bolaina”) under abandoned gold mine conditions: nutrient-poor and sandy soil. The seedlings were tested under six different treatments (three doses of biochar, with and without fertilizer) for six months.

Open access copy available

Protocolo: Mantenimiento y Fertilización de Parcelas de Reforestación

Background:

Como parte del trabajo de investigación que viene desarrollando el Centro de Innovación Científica Amazónica (CINCIA), se ha realizado la instalación de parcelas experimentales de reforestación en áreas degradadas por actividad minera en Madre de Dios.

As part of the research work being carried out by the Center for Amazonian Scientific Innovation (CINCIA), experimental reforestation plots have been installed in areas degraded by mining activity in Madre de Dios.

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Assessing the Carbon Capture Potential of a Reforestation Project

Background:

Reforestation projects are receiving more and more attention due to their potential to sequester carbon and limit the increase of the global average temperature above 2 Celsius degrees. Consequently, is important to evaluate the accuracy of the GHG capture results made by the increasingly funded reforestation platforms.

Open access copy available

Ten principles for restoring campo rupestre, a threatened tropical, megadiverse, nutrient-impoverished montane grassland

Background

In the U.N. Decade on Ecosystem Restoration, one of the most overlooked ecosystem types is tropical grasslands. Studies on these ecosystems are lacking, as are the foundations for restoration. These foundational points of policy, practice, and governance in addition to science need to be addressed. The authors provide 10 principles to restore the campo rupestre, a tropical grassland that is threatened by human activities including mining.

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Tropical surface gold mining: A review of ecological impacts and restoration strategies

BACKGROUND

Open access copy available

Tropical surface gold mining: A review of ecological impacts and restoration strategies

BACKGROUND

Open access copy available

Tropical surface gold mining: A review of ecological impacts and restoration strategies

BACKGROUND

Open access copy available

Filling a void: Analysis of early tropical soil and vegetative recovery under leguminous, post-coal mine reforestation plantations in East Kalimantan, Indonesia

BACKGROUND

Surface mining is a common practice for obtaining coal, the world’s leading energy source. Surface mining removes vegetation, soil, and rocks to extract resources. In Indonesia, the world’s fifth largest coal producer, coal mining companies are required to rehabilitate mined sites. Companies typically plant exotic legume tree species because they quickly achieve canopy closure, limit invasive weeds, improve soil nitrogen, and create a light environment that helps with the recruitment of woody plants. This article looks to see whether natural forest succession occurs under leguminous plantations at rehabilitated coal mines in East Kalimantan, Indonesia. 

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Restoring Forests For Communities, Biodiversity, and Ecosystem Services

Background

This publication summarizes the proceedings of a 2011 conference held in Bogor, Indonesia titled "Restoring Forests For Communities, Biodiversity, and Ecosystem Services". The aim of the conference was to provide a space in which forest restoration approaches used in Indonesia and elsewhere in Southeast Asia were shared and discussed. The report includes summaries of the opening and closing remarks along with the conference's seven presentations. 

Open access copy available

Screening of native plant species for phytoremediation potential at a Hg-contaminated mining site

Background

This study was conducted in one of the most important Artisanal and small-scale (ASGM) gold-mining sites in Colombia, to identify native plant species growing in Mercury contaminated soils used for agricultural purposes, and to assess their potential as phytoremediation systems.

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