Additional file 12.

Gridded alternative NPP, version 1.8.0. The file can be viewed with a spreadsheet. It stores tabular data: 3 columns separated by tabs and 62483 rows. Each row corresponds to a cell of the geographic grid of half-degree resolution. First two columns contain longitude and latitude for the north-west corner a cell in decimal degrees. West longitudes and south latitudes are negative. The third column contains NPP estimate in gC m^-2 y^-1 formed from the alternative ensemble of estimates underlying Alternative NPP version 1.7.0. and outputs of Biome-BGC 4.1.1. Missing values (i.e., the lack of alternative estimate) are denoted by -9999.

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Alexandrov and Matsunaga Carbon Balance and Management 2008 3:8   doi:10.1186/1750-0680-3-8