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Map:

Bazilevich Global Primary Productivity
Primary productivity refers to organic material produced by photosynthesis. These data are from a previously unpublished database at the Komarov Botanical Institute, St. Petersberg, Russia. The dataset consists of three thematic layers a) Phytomass, b) Net Primary Production, c) Mortmass. Data is gridded at a resolution of 10 minutes. This dataset originates from the Global Ecosystems Database (GED) project which began in 1990 as an Interagency project between the National Geophysical Data Center (NGDC) of the U.S. National Oceanic and Atmospheric Administration (NOAA), and the U.S. Environmental Protection Agency's (EPA) Environmental Research Laboratory in Corvallis, Oregon (ERL-C).

Layers:

Phytomass by Inna T. Fedorova, Yelena A. Volk
Classification of live plant biomass in tons/hectare of total dry organic matter (above- & below-ground).
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