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      Small-footprint lidar estimation of sub-canopy elevation and tree height in a tropical rain forest landscape

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      Remote Sensing of Environment
      Elsevier BV

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          Carbon pools and flux of global forest ecosystems.

          Forest systems cover more than 4.1 x 10(9) hectares of the Earth's land area. Globally, forest vegetation and soils contain about 1146 petagrams of carbon, with approximately 37 percent of this carbon in low-latitude forests, 14 percent in mid-latitudes, and 49 percent at high latitudes. Over two-thirds of the carbon in forest ecosystems is contained in soils and associated peat deposits. In 1990, deforestation in the low latitudes emitted 1.6 +/- 0.4 petagrams of carbon per year, whereas forest area expansion and growth in mid- and high-latitude forest sequestered 0.7 +/- 0.2 petagrams of carbon per year, for a net flux to the atmosphere of 0.9 +/- 0.4 petagrams of carbon per year. Slowing deforestation, combined with an increase in forestation and other management measures to improve forest ecosystem productivity, could conserve or sequester significant quantities of carbon. Future forest carbon cycling trends attributable to losses and regrowth associated with global climate and land-use change are uncertain. Model projections and some results suggest that forests could be carbon sinks or sources in the future.
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            Lidar Remote Sensing for Ecosystem Studies

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              Predicting forest stand characteristics with airborne scanning laser using a practical two-stage procedure and field data

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                Author and article information

                Journal
                Remote Sensing of Environment
                Remote Sensing of Environment
                Elsevier BV
                00344257
                May 2004
                May 2004
                : 91
                : 1
                : 68-89
                Article
                10.1016/j.rse.2004.02.008
                b60530bc-c9c4-4f34-bfda-b658a2fe480e
                © 2004

                http://www.elsevier.com/tdm/userlicense/1.0/


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