Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources

Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources

Based on the wetland areas recorded in the First National Inventory of Wetland Resources (FNIWR; 1999–2001) and the Second National Inventory of Wetland Resources (SNIWR; 2009–2011), as well as regional environmental parameters including meteorological conditions and land-use structure, the driving...

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Main Authors: Hualin Bian, Wei Li, Youzhi Li, Bo Ren, Yandong Niu, Zhangquan Zeng
Format: Article
Language:English
Published: Elsevier 2020-03-01
Series:Global Ecology and Conservation
Online Access:http://www.sciencedirect.com/science/article/pii/S2351989419307383
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spelling doaj-566b29da16924e2b9f882caab27166fa2020-11-25T01:37:44ZengElsevierGlobal Ecology and Conservation2351-98942020-03-0121Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland ResourcesHualin Bian0Wei Li1Youzhi Li2Bo Ren3Yandong Niu4Zhangquan Zeng5College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, ChinaInstitute of Wetland Research, Chinese Academy of Forestry, Beijing, 100091, ChinaCollege of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China; Corresponding author.College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, ChinaHunan Academy of Forestry, Changsha, 410004, ChinaHunan Academy of Forestry, Changsha, 410004, ChinaBased on the wetland areas recorded in the First National Inventory of Wetland Resources (FNIWR; 1999–2001) and the Second National Inventory of Wetland Resources (SNIWR; 2009–2011), as well as regional environmental parameters including meteorological conditions and land-use structure, the driving forces of changes in China’s wetland area from the FNIWR to the SNIWR were investigated. The total area of China’s wetlands larger than 1 km2 decreased from 384.8 × 103 km2 in the FNIWR to 350.8 × 103 km2 in the SNIWR. Natural wetland areas, including marshes, rivers, lakes, and coastal wetlands, decreased by 33.8 × 103 km2 over the study period, accounting for 99.4% of the decrease in the wetland area. Regions with decreased marsh and reservoir wetland areas were located mainly in Central and Eastern China, and those with increased river and lake wetland areas were located in Western China. There were no significant regression coefficients between the percentages of change in marsh and lake wetland areas and environmental parameters. However, changes in river wetland areas were positively regressed with changes in forest areas, mean annual temperature, and extreme minimum temperature, and changes in reservoir wetland areas were positively regressed with changes in city construction areas and mean annual temperature. Therefore, it seems that increased forest area and regional temperature alleviated the degradation of river wetland areas, while increased city construction areas and regional temperature alleviated the degradation of reservoir areas. Keywords: Marsh, River, Lake, Reservoir, Forest land, Regional temperaturehttp://www.sciencedirect.com/science/article/pii/S2351989419307383
collection DOAJ
language English
format Article
sources DOAJ
author Hualin Bian
Wei Li
Youzhi Li
Bo Ren
Yandong Niu
Zhangquan Zeng
spellingShingle Hualin Bian
Wei Li
Youzhi Li
Bo Ren
Yandong Niu
Zhangquan Zeng
Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
Global Ecology and Conservation
author_facet Hualin Bian
Wei Li
Youzhi Li
Bo Ren
Yandong Niu
Zhangquan Zeng
author_sort Hualin Bian
title Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
title_short Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
title_full Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
title_fullStr Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
title_full_unstemmed Driving forces of changes in China’s wetland area from the first (1999–2001) to second (2009–2011) National Inventory of Wetland Resources
title_sort driving forces of changes in china’s wetland area from the first (1999–2001) to second (2009–2011) national inventory of wetland resources
publisher Elsevier
series Global Ecology and Conservation
issn 2351-9894
publishDate 2020-03-01
description Based on the wetland areas recorded in the First National Inventory of Wetland Resources (FNIWR; 1999–2001) and the Second National Inventory of Wetland Resources (SNIWR; 2009–2011), as well as regional environmental parameters including meteorological conditions and land-use structure, the driving forces of changes in China’s wetland area from the FNIWR to the SNIWR were investigated. The total area of China’s wetlands larger than 1 km2 decreased from 384.8 × 103 km2 in the FNIWR to 350.8 × 103 km2 in the SNIWR. Natural wetland areas, including marshes, rivers, lakes, and coastal wetlands, decreased by 33.8 × 103 km2 over the study period, accounting for 99.4% of the decrease in the wetland area. Regions with decreased marsh and reservoir wetland areas were located mainly in Central and Eastern China, and those with increased river and lake wetland areas were located in Western China. There were no significant regression coefficients between the percentages of change in marsh and lake wetland areas and environmental parameters. However, changes in river wetland areas were positively regressed with changes in forest areas, mean annual temperature, and extreme minimum temperature, and changes in reservoir wetland areas were positively regressed with changes in city construction areas and mean annual temperature. Therefore, it seems that increased forest area and regional temperature alleviated the degradation of river wetland areas, while increased city construction areas and regional temperature alleviated the degradation of reservoir areas. Keywords: Marsh, River, Lake, Reservoir, Forest land, Regional temperature
url http://www.sciencedirect.com/science/article/pii/S2351989419307383
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