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Values of natural and human‐made wetlands: A meta‐analysis
Author(s) -
Ghermandi Andrea,
van den Bergh Jeroen C. J. M.,
Brander Luke M.,
de Groot Henri L. F.,
Nunes Paulo A. L. D.
Publication year - 2010
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/2010wr009071
Subject(s) - wetland , recreation , biodiversity , environmental science , habitat , ecosystem services , ecosystem , valuation (finance) , abundance (ecology) , geography , flood control , water quality , meta analysis , environmental resource management , flood myth , hydrology (agriculture) , ecology , water resource management , business , geology , biology , medicine , geotechnical engineering , archaeology , finance
The values of goods and services provided by wetland ecosystems are examined through a meta‐analysis of an expanded database of wetland value estimates and with a focus on human‐made wetlands. This study extends and improves upon previous meta‐analyses of the wetland valuation literature in terms of the number of observations, geographical coverage, wetland class and integrity, and the measurement of the effects of scarcity and anthropogenic pressure. We find that water quality improvement, nonconsumptive recreation, and provision of natural habitat and biodiversity are highly valued services. Substitution effects are observed through the negative correlation between values and abundance of other wetlands. Wetland values are found to increase with anthropogenic pressure. An extended metaregression model with cross effects shows that the valuation of specific services varies with the type of wetland producing them. Human‐made wetlands are highly valued for biodiversity enhancement, water quality improvement, and flood control.

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