Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas
As a result of global temperature warming, the frequency and intensity of global extreme climate events have increased, which has a large impact on the structure, composition, and function of regional ecosystems, thereby weakening the supply capacity of ecosystem services and the sustainable develop...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2019-01-01
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| Series: | Global Ecology and Conservation |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2351989418304220 |
| _version_ | 1811209824509100032 |
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| author | Huiqing Han Hongjuan Gao Ya Huang Xiaoqiao Chen Mengling Chen Jinyan Li |
| author_facet | Huiqing Han Hongjuan Gao Ya Huang Xiaoqiao Chen Mengling Chen Jinyan Li |
| author_sort | Huiqing Han |
| collection | DOAJ |
| description | As a result of global temperature warming, the frequency and intensity of global extreme climate events have increased, which has a large impact on the structure, composition, and function of regional ecosystems, thereby weakening the supply capacity of ecosystem services and the sustainable development of the social economy. The Guizhou Province in China is characterized by frequent droughts, fragile mountain ecosystems and poverty. We used Guizhou Province as an example and analyzed the impacts of drought on freshwater ecosystem services. The results showed that the water yield and soil retention in Guizhou decreased due to the influence of annual and seasonal droughts. Annual droughts led to an increase in nutrient retention whereas seasonal droughts caused an increase or decrease in nutrient retention in the study area. The water yield and nutrient retention exhibited decreasing and increasing trends respectively with an increase in the degree of drought. However, changes in the soil retention in Guizhou had a week correlation with the degree of drought. There was a synergistic relationship between water yield and soil retention under the impacts of annual and seasonal droughts in Guizhou. Tradeoffs between water yield and nutrient retention, as well as between soil retention and nutrient retention, existed under the influence of annual drought. Nevertheless, tradeoffs or synergies between water yield and nutrient retention, as well as between soil retention and nutrient retention, were found under the influences of seasonal droughts. The results of this study provide science-based information for alleviating the adverse effects of drought on freshwater ecosystem services and contribute to the scientific management of freshwater ecosystem services. Keywords: Freshwater ecosystem services, Drought, Spatial pattern, Tradeoffs and synergy, InVEST model |
| first_indexed | 2024-04-12T04:46:36Z |
| format | Article |
| id | doaj.art-1ec8739561e4419ba3351d480c3a7f80 |
| institution | Directory Open Access Journal |
| issn | 2351-9894 |
| language | English |
| last_indexed | 2024-04-12T04:46:36Z |
| publishDate | 2019-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Global Ecology and Conservation |
| spelling | doaj.art-1ec8739561e4419ba3351d480c3a7f802022-12-22T03:47:29ZengElsevierGlobal Ecology and Conservation2351-98942019-01-0117Effects of drought on freshwater ecosystem services in poverty-stricken mountain areasHuiqing Han0Hongjuan Gao1Ya Huang2Xiaoqiao Chen3Mengling Chen4Jinyan Li5College of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang, 550003, PR China; Corresponding author.College of Geography and Tourism, Guizhou Normal College, Guiyang, 550018, PR ChinaCollege of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang, 550003, PR ChinaCollege of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang, 550003, PR ChinaCollege of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang, 550003, PR ChinaCollege of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang, 550003, PR ChinaAs a result of global temperature warming, the frequency and intensity of global extreme climate events have increased, which has a large impact on the structure, composition, and function of regional ecosystems, thereby weakening the supply capacity of ecosystem services and the sustainable development of the social economy. The Guizhou Province in China is characterized by frequent droughts, fragile mountain ecosystems and poverty. We used Guizhou Province as an example and analyzed the impacts of drought on freshwater ecosystem services. The results showed that the water yield and soil retention in Guizhou decreased due to the influence of annual and seasonal droughts. Annual droughts led to an increase in nutrient retention whereas seasonal droughts caused an increase or decrease in nutrient retention in the study area. The water yield and nutrient retention exhibited decreasing and increasing trends respectively with an increase in the degree of drought. However, changes in the soil retention in Guizhou had a week correlation with the degree of drought. There was a synergistic relationship between water yield and soil retention under the impacts of annual and seasonal droughts in Guizhou. Tradeoffs between water yield and nutrient retention, as well as between soil retention and nutrient retention, existed under the influence of annual drought. Nevertheless, tradeoffs or synergies between water yield and nutrient retention, as well as between soil retention and nutrient retention, were found under the influences of seasonal droughts. The results of this study provide science-based information for alleviating the adverse effects of drought on freshwater ecosystem services and contribute to the scientific management of freshwater ecosystem services. Keywords: Freshwater ecosystem services, Drought, Spatial pattern, Tradeoffs and synergy, InVEST modelhttp://www.sciencedirect.com/science/article/pii/S2351989418304220 |
| spellingShingle | Huiqing Han Hongjuan Gao Ya Huang Xiaoqiao Chen Mengling Chen Jinyan Li Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas Global Ecology and Conservation |
| title | Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas |
| title_full | Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas |
| title_fullStr | Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas |
| title_full_unstemmed | Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas |
| title_short | Effects of drought on freshwater ecosystem services in poverty-stricken mountain areas |
| title_sort | effects of drought on freshwater ecosystem services in poverty stricken mountain areas |
| url | http://www.sciencedirect.com/science/article/pii/S2351989418304220 |
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