Changes in inundation frequency in Poyang Lake and the response of wetland vegetation
In lake ecosystems,the timing,duration,and frequency of inundation greatly determines the wetland/aquatic ecological conditions,and influence wetland plant regeneration and species richness. Under increasing impacts from human activities and climate change,a better understanding of how hydrological...
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| Veröffentlicht in: | Shengtai Xuebao = Acta Ecologica Sinica 2018-11 (21), p.7718 |
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| creator | Gu, Juan Qin, Yi Wang, Xin Ma, Jingyu Guo, Zhonghao Zou, Lejun Shen, Xiaohua |
| description | In lake ecosystems,the timing,duration,and frequency of inundation greatly determines the wetland/aquatic ecological conditions,and influence wetland plant regeneration and species richness. Under increasing impacts from human activities and climate change,a better understanding of how hydrological changes influence wetland vegetation is required.In this study,we analyze the spatial distribution of the inundation frequency and its temporal variation during the period from 2000 to 2015 in Poyang Lake by means of MODIS image interpretations method based on mixed pixel decomposition model derived from the spectrum characteristics of ground features. The relationship between the inundation frequency and the vegetation abundance is further discussed. The main results are as follows:( 1) the spatial distribution of inundation frequency in the receding period shows a decreasing trend from north to south on the whole. Areas with high inundation frequency are distributed in patches.( 2) The inundation frequency of the |
| doi_str_mv | 10.5846/stxb201710231898 |
| format | Article |
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Under increasing impacts from human activities and climate change,a better understanding of how hydrological changes influence wetland vegetation is required.In this study,we analyze the spatial distribution of the inundation frequency and its temporal variation during the period from 2000 to 2015 in Poyang Lake by means of MODIS image interpretations method based on mixed pixel decomposition model derived from the spectrum characteristics of ground features. The relationship between the inundation frequency and the vegetation abundance is further discussed. The main results are as follows:( 1) the spatial distribution of inundation frequency in the receding period shows a decreasing trend from north to south on the whole. Areas with high inundation frequency are distributed in patches.( 2) The inundation frequency of the</description><identifier>ISSN: 1000-0933</identifier><identifier>DOI: 10.5846/stxb201710231898</identifier><language>chi</language><publisher>Beijing: Science Press</publisher><subject>Abundance ; Aquatic ecosystems ; Climate change ; Ecological conditions ; Ecological effects ; Environmental changes ; Environmental impact ; Flood frequency ; Frequency dependence ; Hydrology ; Lakes ; Regeneration ; Rivers ; Spatial distribution ; Species richness ; Temporal variations ; Trends ; Vegetation ; Wetlands</subject><ispartof>Shengtai Xuebao = Acta Ecologica Sinica, 2018-11 (21), p.7718</ispartof><rights>Copyright Science Press 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Gu, Juan</creatorcontrib><creatorcontrib>Qin, Yi</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Ma, Jingyu</creatorcontrib><creatorcontrib>Guo, Zhonghao</creatorcontrib><creatorcontrib>Zou, Lejun</creatorcontrib><creatorcontrib>Shen, Xiaohua</creatorcontrib><title>Changes in inundation frequency in Poyang Lake and the response of wetland vegetation</title><title>Shengtai Xuebao = Acta Ecologica Sinica</title><description>In lake ecosystems,the timing,duration,and frequency of inundation greatly determines the wetland/aquatic ecological conditions,and influence wetland plant regeneration and species richness. Under increasing impacts from human activities and climate change,a better understanding of how hydrological changes influence wetland vegetation is required.In this study,we analyze the spatial distribution of the inundation frequency and its temporal variation during the period from 2000 to 2015 in Poyang Lake by means of MODIS image interpretations method based on mixed pixel decomposition model derived from the spectrum characteristics of ground features. The relationship between the inundation frequency and the vegetation abundance is further discussed. The main results are as follows:( 1) the spatial distribution of inundation frequency in the receding period shows a decreasing trend from north to south on the whole. Areas with high inundation frequency are distributed in patches.( 2) The inundation frequency of the</description><subject>Abundance</subject><subject>Aquatic ecosystems</subject><subject>Climate change</subject><subject>Ecological conditions</subject><subject>Ecological effects</subject><subject>Environmental changes</subject><subject>Environmental impact</subject><subject>Flood frequency</subject><subject>Frequency dependence</subject><subject>Hydrology</subject><subject>Lakes</subject><subject>Regeneration</subject><subject>Rivers</subject><subject>Spatial distribution</subject><subject>Species richness</subject><subject>Temporal variations</subject><subject>Trends</subject><subject>Vegetation</subject><subject>Wetlands</subject><issn>1000-0933</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNotjs1LxDAQxXNQcF29ewx4rs4kTZscpfgFBT2s5yXdTvbDJalNqu5_b1aFgYHfmzfvMXaFcKN0Wd3G9N0JwBpBSNRGn7AZAkABRsozdh7jDkACSjNjb83G-jVFvvV5Jt_btA2eu5E-JvKrw5G_hkO-4a19J259z9OG-EhxCD4SD45_Udof-SetKf36L9ips_tIl_97zhYP94vmqWhfHp-bu7YYjE4FEThAUH2vK6nBKaFzWWlNbcmokpQqAZ1CLEXZddg56ldZARBUl2BRztn139thDLluTMtdmEafE5cCa4GyrqtK_gDQQlFS</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>Gu, Juan</creator><creator>Qin, Yi</creator><creator>Wang, Xin</creator><creator>Ma, Jingyu</creator><creator>Guo, Zhonghao</creator><creator>Zou, Lejun</creator><creator>Shen, Xiaohua</creator><general>Science Press</general><scope>7SN</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20181101</creationdate><title>Changes in inundation frequency in Poyang Lake and the response of wetland vegetation</title><author>Gu, Juan ; Qin, Yi ; Wang, Xin ; Ma, Jingyu ; Guo, Zhonghao ; Zou, Lejun ; Shen, Xiaohua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p98t-ee0f0105dd86380f5288983a97ae954e55401f511424bb1bfedcae9002e740a13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>chi</language><creationdate>2018</creationdate><topic>Abundance</topic><topic>Aquatic ecosystems</topic><topic>Climate change</topic><topic>Ecological conditions</topic><topic>Ecological effects</topic><topic>Environmental changes</topic><topic>Environmental impact</topic><topic>Flood frequency</topic><topic>Frequency dependence</topic><topic>Hydrology</topic><topic>Lakes</topic><topic>Regeneration</topic><topic>Rivers</topic><topic>Spatial distribution</topic><topic>Species richness</topic><topic>Temporal variations</topic><topic>Trends</topic><topic>Vegetation</topic><topic>Wetlands</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gu, Juan</creatorcontrib><creatorcontrib>Qin, Yi</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Ma, Jingyu</creatorcontrib><creatorcontrib>Guo, Zhonghao</creatorcontrib><creatorcontrib>Zou, Lejun</creatorcontrib><creatorcontrib>Shen, Xiaohua</creatorcontrib><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Shengtai Xuebao = Acta Ecologica Sinica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gu, Juan</au><au>Qin, Yi</au><au>Wang, Xin</au><au>Ma, Jingyu</au><au>Guo, Zhonghao</au><au>Zou, Lejun</au><au>Shen, Xiaohua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Changes in inundation frequency in Poyang Lake and the response of wetland vegetation</atitle><jtitle>Shengtai Xuebao = Acta Ecologica Sinica</jtitle><date>2018-11-01</date><risdate>2018</risdate><issue>21</issue><spage>7718</spage><pages>7718-</pages><issn>1000-0933</issn><abstract>In lake ecosystems,the timing,duration,and frequency of inundation greatly determines the wetland/aquatic ecological conditions,and influence wetland plant regeneration and species richness. Under increasing impacts from human activities and climate change,a better understanding of how hydrological changes influence wetland vegetation is required.In this study,we analyze the spatial distribution of the inundation frequency and its temporal variation during the period from 2000 to 2015 in Poyang Lake by means of MODIS image interpretations method based on mixed pixel decomposition model derived from the spectrum characteristics of ground features. The relationship between the inundation frequency and the vegetation abundance is further discussed. The main results are as follows:( 1) the spatial distribution of inundation frequency in the receding period shows a decreasing trend from north to south on the whole. Areas with high inundation frequency are distributed in patches.( 2) The inundation frequency of the</abstract><cop>Beijing</cop><pub>Science Press</pub><doi>10.5846/stxb201710231898</doi></addata></record> |
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| subjects | Abundance Aquatic ecosystems Climate change Ecological conditions Ecological effects Environmental changes Environmental impact Flood frequency Frequency dependence Hydrology Lakes Regeneration Rivers Spatial distribution Species richness Temporal variations Trends Vegetation Wetlands |
| title | Changes in inundation frequency in Poyang Lake and the response of wetland vegetation |
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