If the next climate treaty tackles deforestation, tropical nations will need to monitor the biomass of their forests. One ecologist has worked out a way to do that from the sky, finds Jeff Tollefson.

Global warming risks from emissions of greenhouse gases (GHGs) by anthropogenic activities have increased the need for the identification of ecosystems with high carbon sink capacity as an alternative mitigation strategy of terrestrial carbon sequestration. The agroforestry sector has received recent attention for its enormous potential carbon pools that reduce carbon emissions to the atmosphere. The Nubra Valley (Trans-Himalayan region) is covered with more than 575,000 agroforestry plantations (willow and poplar). These species have been found to sequester more than 75,000 tonnes of carbon.

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One way of mitigating global climate change is protecting and enhancing biosphere carbon stocks. The success of mitigation initiatives depends on the long-term net balance between carbon gains and losses. The biodiversity of ecological communities, including composition and variability of traits of plants and soil organisms, can alter this balance in several ways.

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