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Up to now, one of the major challenges to getting a good global overview of land cover - e.g. how much land is covered by croplands, trees or forests, bare soils, etc. - has been the fact that different countries and organizations go about identifying, measuring and recording such data in diverse ways.
But for FAO's new Global Land Cover SHARE database (GLC-SHARE), data pulled from multiple sources and partners was quality-controlled and harmonized using internationally accepted definitions and standards, bringing a wealth of country-level information into one consolidated dataset spanning the entire planet.
Applications of the new GLC-share database include monitoring of global land cover trends, evaluating the suitability of land for various uses, assessing the impact of climate change on food production, and land-use planning. "A strong understanding of our planet's land cover is essential to promoting sustainable land resources management - including agricultural production to feed a growing population - that makes efficient use of increasingly scarce natural resources yet safeguards the environment," said John Latham, of FAO's Land and Water Division....
A farm in Azna, Iran, shot by Hamid Soufi, public domain
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