Most of the world’s tropical forests and carbon emissions from deforestation are in nations or states that are developing REDD+ programs to slow deforestation as their farmers prepare to certify their farms under one of the agricultural commodity roundtables.
These parallel processes could become self‐reinforcing, slowing deforestation, lowering greenhouse gas emissions, while improving the sustainability and social benefits of agricultural systems. But they are currently disconnected.
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Deep root water uptake in tropical Amazonian forests has been a major discovery during the last 15 yr. However, the effects of extended droughts, which may increase with climate change, on deep soil moisture utilization remain uncertain. The current study utilized a 1999–2005 record of volumetric water content (VWC) under a throughfall exclusion experiment to calibrate a one-dimensional model of the hydrologic system to estimate VWC, and to quantify the rate of root uptake through 11.5 m of soil.
A seguinte apresentação traz uma estimativa do futuro das florestas tropicais sob a perspectiva atual.The following presentation provides an estimate of the tropical forests future from today's perspective.
Throughout human history, the world's great forest formations have yielded to logging, cattle ranching, and agricultural expansion after transportation corridors made them accessible to frontier settlers. The Brazilian Amazon could prove to be an exception to this...