%0 Journal Article %T 苏北浅滩滩涂植被生态特征及其演替 %A 刘向南 %A 徐敏 %J 南京师范大学学报(自然科学版) %D 2015 %X 以苏北浅滩滩涂植被为研究对象,利用1993年、2002年、2013年3个时相的遥感影像数据,运用景观生态学方法和RS、GIS技术,在遥感处理软件ENVI4.7中,经图像裁剪、配准等图像预处理后,采用计算机监督分类和人工目视解译相结合的方法进行滩涂植被解译分析.分析结果表明:①苏北浅滩滩涂植被主要有芦苇、碱蓬、獐毛和米草;②景观指数计算结果表明滩涂植被的破碎化程度不断提高,景观多样性指数下降,景观内部的异质性增强;③自然演替规律在滩涂植被的演替过程中越来越弱,人类活动对滩涂植被景观的影响变得更加重要.</br>Takingbeachvegetationasanexample,usingremotesensingdigitizeddatafrom1993,2002and2013,andapplyingGIStechniquesandmethodsoflandscapeecology,theimagewasprocessedusingtheENVIImagine4.7imageprocessingsoftware,includingclipping,registration.Itwasclassifiedandinterpretedthroughsupervisedclassificationandvisualinterpretationmethods.Theresultshowedusthatfromthefollowingthreeaspects.Firstly,thebeachvegetationmainlyincludesphragmitescammunis,suaedasalsa,AeluropussinensisandSpartinaalterniflora.Secondly,theresultoflandscapeindexindicatedthatbeachvegetationwasbrokengreatly,diversityindexlowerandlandscapeheterogeneityenhanced.Thirdly,inthesuccessionprocessofbeachvegetation,humanactivitieshaveincreasedandnaturalsuccessionlaw’sinfluencedecreasedobviously %K 滩涂植被 %K 生态演替 %K 景观指数 %K 遥感< %K /br> %K beachvegetation %K ecologicalsuccession %K landscapeindex %K remotesensing %U http://njsfdxzrb.paperonce.org/oa/darticle.aspx?type=view&id=201503015