agriculture land analysis News
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Blue carbon stored in vegetated coastal systems could be underestimated
Vegetated coastal ecosystems, such as mangroves, marshes and seagrasses, are an important carbon sink and their destruction increases greenhouse gas (GHG) emissions. A new study estimates that 0.15-1.02 Pg (petagrams) of CO2 are being released annually from degradation of these valuable ecosystems, resulting in economic losses of US$6-42 billion (€4.68 to 32.81 billion) per year. It is ...
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Study by ARS microbiologist in Texas shows farming practices’ benefits to soil quality
The first evaluation of alternative farming practices—based on changes in soil microbes—in the Texas High Plains has been done by an Agricultural Research Service (ARS) scientist. Soil microbiologist Veronica Acosta-Martinez has also done a similar analysis for land in USDA's Conservation Reserve Program (CRP), a first nationally. Changes in microbes can give a relatively early indication as to ...
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Fish supplies face rising threat from algal blooms
Toxic algal blooms that can kill fish – and sometimes humans – cause severe economic losses and are an increasing danger to food supplies. The threat has increased dramatically, not because the quantity of algae is necessarily increasing, but because humankind is relying more and more on aquaculture to provide fish. There has been a 16-fold increase in fish farming since 1985. ...
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