29981.遼寧省濱海濕地景觀格局變化研究

1、遼寧師范大學碩士學位論文遼寧省濱海濕地景觀格局變化研究姓名：丁亮申請學位級別：碩士專業(yè)：環(huán)境科學指導教師：張華20080401AbstractContent：Wetlandtogetherwithforestandoceanmakesupthethreeecosystemsofthewholeworldandiscalled”thekidneyoftheEarth”Becauseofthemanmadedestructions，whic

2、hleadstotheirrationalexploitationandutilizationofthewalandhowevertheareasofthewetlandarestrikine丑ydiminishedfollowedbytherecessionofitsfunctionsandbenefits，alsotheseverethreadtotheexistenceofthewetlandandthedevelopmentof

3、itsfunctionsThus，theprotectionrestorationandexploitationofthewetlandhaveattractedworldwideattentionn愴coastlandinLiaoningProvinceisrichinresoRreesofcoastalwetlandwhichplaysanimportantroleinregionaleconomydevelopmentInthis

4、paper，threelandsatETM(respectiveobtainedin1990，2000and2006)wereinterpretedasbasicinformationsources，usingthemoreexplicitlandscapemetrics，basedonthetwographicdatabasesofthewetlanddynamicvariationfrom1990to2000andfrom2000t

5、o2006，westudyOilchangeoflandscapepatternofcoastalswetlandinLiaoningProvincewerevealedthefeaturesandrulesofthedynamicvariationofthewetlandlandscapepatternsin19902000and2006nestudyshowsthatthereisadecreaseinwetlandarea，fro

6、mthe1754004km2in1990tothe1733172kin2in2000，whoseamplitudeis16％；謝t11adecreaseinwetlandpatcheness，from2021of1990to1770of2000，whilethediversityandevenessaredecreasing，from1425and0594of1990to1409and0588of2000Thereisadecrease

7、inwetlandarea，fromthe1733172kin2in2000tothe1720446kin2in2006，withadecreaseinwetlandpateheness，from1770of2000to1610of2006，whilethediversityandevenessareincreasingKeywords：coastalwetland；landscapepatten；landscapeindex；Liao