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Living Earth Products

Living Earth products are land cover, habitat and change maps and the environmental descriptors used in their construction and description.

Living Earth constructs land cover maps according to the Food and Agriculture Organisation (FAO) Land Cover Classification System (LCCS) from environmental descriptors with pre-defined categories or units (e.g., metres, percent, time). Overarching Environmental Descriptors (OEDs) are used to generate up to eight of the base level (LCCS Level 3) classes, with further detail added using Essential Environmental Descriptors (EEDs). The resulting maps can potentially represent over 12,000 classes with each having biophysical meaning. Theses are further described using Additional Environmental Descriptors (AEDs), which are not part of the FAO LCCS. These can be divided into abiotic, biotic and human-influenced AEDs with examples being soil acidity, dominant plant species and urban density respectively.

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ALGORITHMS AND DATA FOR WALES

For Wales, land cover maps have been generated from 2018 to 2023 nationally from the Essential Environmental Descriptors of lifeform (woody/herbaceous) and annual water hydroperiod (time) with Additional Environmental descriptors including crop type, above ground biomass and community composition (based on habitats).

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ALGORITHMS AND DATA FOR AUSTRALIA

Land cover maps have, to date, been generated from for the Australian continent and islands from 1988 to 2020. OEDs allowing mapping of vegetation are time-series of fractional cover (of photosynthetic and non-photosynthetic vegetation and bare surfaces), water hydroperiod (time) and culivated and urban areas (classified using machine learning). EEDs are lifeform (woody and herbaceous), vegetation canopy and bare cover (%), water hydroperiod (time).

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ALGORITHMS AND DATA FOR PAPUA NEW GUINEA

The coastal areas of Papua New Guinea have been mapped for 2022 initially and according to the FAO LCCS, with EEDs including lifeform (woody and herbaceous) and water seasonality (e.g., tidal, to differentiate mangroves). Intertidal, supratidal and sub-tidal ecosystems are also being mapped from OEDs, with these including mangroves, sea grasses and corals.

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