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Maps - Forests, Trees and Agroforestry

Tropical and Subtropical Wetlands Distribution version 2

Description : Wetlands are important providers of ecosystem services and key regulators of climate change. They positively contribute to global warming through their greenhouse gas emissions, and negatively through the accumulation of organic material in histosols, particularly in peatlands. Our understanding of wetlands’ services is currently constrained by limited knowledge on their distribution, extent, volume, inter-annual flood variability, and disturbance levels. We present an expert system approach to estimate wetland and peatland areas, depths and volumes, which relies on three biophysical indices related to wetland and peat formation: 1. Long-term water supply exceeding atmospheric water demand; 2. Annually or seasonally water-logged soils; 3. A geomorphological position where water is supplied and retained.

The dataset is version 2 with significant improvements compare to previous version. It shows distribution of wetland, peatland and peat depth that covers the tropics and sub tropics (40° N to 60° S; 180° E to -180° W), excluding small islands. It was mapped in 231 meters spatial resolution. The dataset can be viewed in this interactive map: http://www.cifor.org/global-wetlands/.
Subject : peatlands, peat, wetlands
Authors : Gumbricht, T.; Román-Cuesta, R.M.; Verchot, L.V; Herold, M; Wittmann, F; Householder, E.; Herold, N.; Murdiyarso, D.
DOI : doi:10.17528/CIFOR/DATA.00058
Download data
Data can be downloaded from the Dataverse repository.

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