Title |
The hydrological legacy of deforestation on global wetlands
|
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Published in |
Science, November 2014
|
DOI | 10.1126/science.1260510 |
Pubmed ID | |
Authors |
C Woodward, J Shulmeister, J Larsen, G E Jacobsen, A Zawadzki |
Abstract |
Increased catchment erosion and nutrient loading are commonly recognized impacts of deforestation on global wetlands. In contrast, an increase in water availability in deforested catchments is well known in modern studies but is rarely considered when evaluating past human impacts. We used a Budyko water balance approach, a meta-analysis of global wetland response to deforestation, and paleoecological studies from Australasia to explore this issue. After complete deforestation, we demonstrated that water available to wetlands increases by up to 15% of annual precipitation. This can convert ephemeral swamps to permanent lakes or even create new wetlands. This effect is globally significant, with 9 to 12% of wetlands affected, including 20 to 40% of Ramsar wetlands, but is widely unrecognized because human impact studies rarely test for it. |
X Demographics
Geographical breakdown
Country | Count | As % |
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United States | 21 | 21% |
United Kingdom | 9 | 9% |
Australia | 5 | 5% |
Spain | 3 | 3% |
Japan | 2 | 2% |
Canada | 2 | 2% |
Brazil | 1 | <1% |
Indonesia | 1 | <1% |
Italy | 1 | <1% |
Other | 11 | 11% |
Unknown | 46 | 45% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 74 | 73% |
Scientists | 28 | 27% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Germany | 2 | 1% |
Brazil | 2 | 1% |
Colombia | 1 | <1% |
France | 1 | <1% |
Chile | 1 | <1% |
South Africa | 1 | <1% |
Belgium | 1 | <1% |
Puerto Rico | 1 | <1% |
Japan | 1 | <1% |
Other | 1 | <1% |
Unknown | 180 | 94% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Researcher | 39 | 20% |
Student > Ph. D. Student | 34 | 18% |
Student > Master | 26 | 14% |
Professor | 16 | 8% |
Student > Doctoral Student | 13 | 7% |
Other | 40 | 21% |
Unknown | 24 | 13% |
Readers by discipline | Count | As % |
---|---|---|
Environmental Science | 73 | 38% |
Earth and Planetary Sciences | 36 | 19% |
Agricultural and Biological Sciences | 26 | 14% |
Social Sciences | 8 | 4% |
Engineering | 5 | 3% |
Other | 12 | 6% |
Unknown | 32 | 17% |