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Large Old Trees Grow Fastest, Storing More Carbon

By Guest PostJanuary 18, 2014Environmentadrian das, amount of co2, atmosphere, australia, carbon, generate, kings canyon, large old trees, nate stephenson, national park, panama, pinus monticola, sequester, store, subtropical, temperate region, tree species, tropical, U.S. Geological Survey, united kingdom, united states, western white pine

THREE RIVERS, Calif, — Trees do not slow in their growth rate as they get older and larger — instead, their growth keeps accelerating, according to a study published in the journal Nature.

“This finding contradicts the usual assumption that tree growth eventually declines as trees get older and bigger,” says Nate Stephenson, the study’s lead author and a forest ecologist with the U.S. Geological Survey. “It also means that big, old trees are better at absorbing carbon from the atmosphere than has been commonly assumed.” (more…)

Scientist: Temperate Freshwater Wetlands Are ‘Forgotten’ Carbon Sinks

By Guest PostJanuary 29, 2012Environmentblanca bernal, boreal peatland, buffer zone, canada, carbon dioxide, carbon holding power, carbon measurement, carbon sequestering system, carbon sequestration, carbon sink, carbon storage, cesium 137, climate change, depressional wetland, ecosystem, freshwater wetland, gahanna wetland, global carbon budget, greenhouse gas emission, lake erie, lead, marker, northern ohio, ohio wetland, old woman creek, organic matter, pb 210, plant, productive system, radioactive form, rate, sediment, Siberia, subarctic region, swamp, temperate region, william mitsch

COLUMBUS, Ohio – A new study comparing the carbon-holding power of freshwater wetlands has produced measurements suggesting that wetlands in temperate regions are more valuable as carbon sinks than current policies imply, according to researchers.

The study compared several wetlands at two Ohio wetland sites: one composed of mostly stagnant water and one characterized by water regularly flowing through it. The study showed that the stagnant wetland had an average carbon storage rate per year that is almost twice as high as the carbon storage rate of the flow-through wetland. (more…)

Tag Archives: temperate region

Large Old Trees Grow Fastest, Storing More Carbon

Scientist: Temperate Freshwater Wetlands Are ‘Forgotten’ Carbon Sinks