文献类型：期刊文献

中文题名：黑嘴鸥繁殖栖息地动态遥感监测

英文题名：Remote sensing monitoring on dynamic of nesting habitats of Saunders's Gull Larus saundersi

作者：刘春悦[1,2] 张树清[1] 江红星[3] 李晓峰[1] 那晓东[1,2] 温兆飞[1,2]

第一作者：刘春悦

机构：[1]中国科学院东北地理与农业生态研究所;[2]中国科学院研究生院;[3]中国林业科学研究院森林生态环境与保护研究所

年份：2009

卷号：29

期号：8

起止页码：4285-4294

中文期刊名：生态学报

外文期刊名：Acta Ecologica Sinica

收录：CSTPCD;;Scopus;北大核心:【北大核心2008】；CSCD:【CSCD2011_2012】；

基金：全球环境基金GEF资助项目(GF/2712-03-4627);国家林业局保护司黑嘴鸥专项保护经费资助项目;国家自然科学基金资助项目(40871188);地球系统科学数据共享网资助项目(2006DKA32300-16)

语种：中文

中文关键词：黑嘴鸥;繁殖栖息地;盐城国家级自然保护区;遥感;植被覆盖度

外文关键词：Saunders′s Gull; breeding habitat; Yancheng National Nature Reserve; remote sensing; vegetation coverage

分类号：Q149;TP79

摘要：以江苏盐城国家级自然保护区核心区为研究区,结合黑嘴鸥巢址GPS点,利用1992、2002和2007年Landsat TM遥感影像作为主要信息源,借助地理信息空间分析技术,在获取栖息地植被类型信息的基础上,采用非等密度亚像元模型反演碱蓬植被覆盖度信息,提取研究区黑嘴鸥适宜繁殖栖息地动态变化情况,并进一步对其进行预测。结果表明,15a间,在自然和人为的双重干扰下,研究区内碱蓬滩面积由4772.3 hm2减少到4062.2hm2,年变化率为-47.34 hm2/a。碱蓬植被覆盖度均值由1992年的（27.6±3.8）%增长到2002年的（35.4±2.0）%,至2007年达到（53.1±4.5）%。同时,利用2002、2007年黑嘴鸥巢址GPS位点,提取对应年份黑嘴鸥繁殖栖息地碱蓬群落覆盖度,其均值分别为（35.08±4.8）%和（37.58±7.6）%,无差异显著性（P=0.066）。结合黑嘴鸥繁殖栖息地选择的水源和干扰距离等因子,叠加分析表明核心区黑嘴鸥适宜繁殖栖息地面积由1992年的2063.1 hm2小幅增加到2002年的2158.0 hm2（4.6%）,到2007年间大幅减少到1723.1 hm2（-20.2%）,年降幅高达86.97hm2/a。按照2002~2007年碱蓬覆盖度变化率水平计算,盐城保护区核心区黑嘴鸥适宜繁殖栖息地将在19.8a后全部消失。有关研究成果,可为保护区黑嘴鸥及其繁殖栖息地的保护、管理与恢复提供科学依据,同时也为特定栖息地的监测方法提供参考。
Vegetation coverage is an important factor influencing the nesting habitat selection for Saunders′s gull（Larus saundersi）.It is endemic to the Common Seepweed（Suaeda glauca） habitats for breeding in Yancheng National Nature Reserve（YNNR）,which have been lost and degraded because of human land use and expansion of Smooth Cord-grass（Spartina alterniflora）.We used satellite images in 1992,2002 and 2007 to quantify the coverage change of Common Seepweed through the non-dense dimidiate pixel model from normalized difference vegetation index（NDVI） for the core area of YNNR.The Common Seepweed habitats on which this species depends in the study area decreased in area from 4772.3 hm2 in 1992 to 4062.2 hm2 in 2007 with annual rate of 47.34 hm2/a during the past 15 years.The mean coverage of Common Seepweed habitats increased form（27.6±3.8）% in 1992 to（35.4±2.0）% in 2002,and then to（53.1±4.5）% in 2007.Meanwhile,we used 184 nesting locations in 2002 and 109 nesting locations in 2007 to qualify the mean coverage of Common Seepweed habitats for Saunders′s Gull,which were（35.08±4.8）% and（37.58±7.6）% respectively and showed no significant difference in 2002 and 2007（P=0.066）.Combined with the grids of water source distance and human disturbance distance,the suitable nesting habitats for Saunders′s gull in the study area were also explored,which increased in area by 94.4 hm2 from 1992 to 2002,and then decreased 434.8 hm2 form 2002 to 2007 with annual decrease rate of 86.97 hm2/a.Based on this decreasing rate,we predicted that the suitable nesting habitats for Saunders′s gull will be disappeared within 19.8 years in study area.This paper also discussed the implication of our results for the conservation of Saunders′s Gull and its habitats,and the use of remote sensing methods in conservation.