Freshwater Ecoregions of the Mekong Basin

Published by: Open Development Mekong

This dataset was created from Hydrosheds level 3 dataset to represent approximate freshwater ecoregions of the Mekong basin. Based upon the WWF freshwater ecoregions dataset which is defined as, a large area encompassing one or more freshwater systems that contains a distinct assemblage of natural freshwater communities and species. The freshwater species, dynamics, and environmental conditions within a given ecoregion are more similar to each other than to those of surrounding ecoregions and together form a conservation unit.

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Mekong ecoregions

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Additional Info

Field	Value
Dataset topic category	Ecological services Environment and natural resources Water resources
Language	English
Use limitations	There are no known access and use constraints.
Dataset reference date	October 2, 2016
GeoNames	Cambodia China Lao People's Democratic Republic Myanmar Thailand Viet Nam
West bounding coordinates	93.8583297729492
East bounding coordinates	108.775001525879
South bounding coordinates	8.56249904632568
North bounding coordinates	33.8208351135254
Spatial Reference System	WGS 84 (EPSG:4326) (CRS:84)
Positional Accuracy	This dataset contains inaccuracies as it is a simply an export of relevant hydrosheds that lay within the approximate boundaries of the ecoregions dataset and therefore is only an approximation and can not be used as definitive boundaries for the freshwater ecoregions
Logical Consistency	There are no known issues with logical consistency.
Completeness	This dataset is not complete.
Process Step	Hydroshed areas were selected based upon the largest area that fall within each freshwater ecoregion. These area's were dissolved to create individual shapes before merging into one area covering the Mekong basin.
Lineage	The dataset is combination of the 1. Hydrosheds level 3 - World map of the major hydrological basins (Derived from HydroSHEDS) 2011-02-02T11:44:00 Creation First edition. Digital map http://ref.data.fao.org/map?entryId=7707086d-af3c-41cc-8aa5-323d8609b2d1&tab=metadata 2. Freshwater Ecoregions data. Freshwater Ecoregions: Abell, R., M. Thieme, C. Revenga, M. Bryer, M. Kottelat, N. Bogutskaya, B. Coad, N. Mandrak, S. Contreras-Balderas, W. Bussing, M. L. J. Stiassny, P. Skelton, G. R. Allen, P. Unmack, A. Naseka, R. Ng, N. Sindorf, J. Robertson, E. Armijo, J. Higgins, T. J. Heibel, E. Wikramanayake, D. Olson, H. L. Lopez, R. E. d. Reis, J. G. Lundberg, M. H. Sabaj Perez, and P. Petry. 2008. Freshwater ecoregions of the world: A new map of biogeographic units for freshwater biodiversity conservation. BioScience 58:403-414.
Responsible party	This dataset was created by ODM.
License	CC-BY-SA-4.0
Copyright	No
Version	1.0
Date uploaded	October 2, 2016, 14:29 (UTC)
Date modified	October 30, 2020, 15:43 (UTC)