Primary Productivity of Grass Ecosystems of the Tropics and Sub-tropics
S.P. Long, M.B. Jones, M.J. Roberts
Springer Science & Business Media, Nov 30, 1991 - Science - 268 pages
The United Nations Environment Programme (UNEP) has sponsored a programme of intensive research into the primary productivity of grass ecosystems in both the tropics and subtropics, resulting in this book. It therefore represents the first internationally integrated study of bio-productivity since the International Biological Programme (IBP) of the early 1970s.
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above-ground biomass accumulation Amazon annual aquatic average bamboo bamboo forest below-ground biomass biome C02 assimilation C3 plants C4 photosynthesis calculated carbon Chapingo Chapter climate correlation dead material dead vegetation December density dry season Echinochloa Ecology ecosystems efficiency estimated Figure fire floodplain global grass grassland sites grazing ground growth Halophytes harvests IBP method increased intermedins JAN JUL JAN JUL JAN JUL Junk Kenya leaf area index leaves light interception litter losses Manaus Marchantaria maximum mean measurements Mexico mezianum model canopies month-1 monthly months Nairobi National Park peak period photon photon flux photosynthetic rates plant biomass polystachya precipitation primary production pubescens R/NIR rainfall relationship remote sensing rhizomes RJNIR roots sampling savanna sheaths shoots Singh soil solar radiation species spicata stems temperature terrestrial Thailand total Pn triandra tropical grasslands turnover rate unburnt areas underestimation values variation varied