CAJ | 학술논문

采用文献对比,结合野外补点调查和观测,研究高原湿地草海水生植物多样性变化.结果表明：近三十年来,到草海越冬的黑颈鹤种群有逐渐增大趋势,1985年223只、2005年506只,到2011年约为1000只.2005年草海共有维管束植物49种,隶属25科37属,较1983年新增5科10属11种,2012年调查发现草海水生植被朝沼泽植被方向演替发展,荆三棱群落与水葱、李氏禾、水莎草和灯芯草群落一起发展为草海湖滨带主要优势挺水植物群落.空心莲子草在水体东部、东南及东北部入侵危害严重.外界干扰是草海生物多样性变化的主要原因,减少人为负面干扰、维护草海及周边环境稳定是保护和增加水生植物多样性的重要举措.
채용문헌대비,결합야외보점조사화관측,연구고원습지초해수생식물다양성변화.결과표명：근삼십년래,도초해월동적흑경학충군유축점증대추세,1985년223지、2005년506지,도2011년약위1000지.2005년초해공유유관속식물49충,대속25과37속,교1983년신증5과10속11충,2012년조사발현초해수생식피조소택식피방향연체발전,형삼릉군락여수총、리씨화、수사초화등심초군락일기발전위초해호빈대주요우세정수식물군락.공심련자초재수체동부、동남급동북부입침위해엄중.외계간우시초해생물다양성변화적주요원인,감소인위부면간우、유호초해급주변배경은정시보호화증가수생식물다양성적중요거조.
Based on the data of literature and field survey,aquatic plant diversity of Caohai plateau wetland was ana-lyzed.The results showed that the number ofGrusnigricollis wintering in Caohai had increased from 223 in 1985 to 506 in 2005,and 1 000 in 2011.And the number of families and genera of the aquatic plant had significantly increased. There were 49 species subjected to 37 genera of 25 families in 2005,in which 11 species and 10 genera and 5 families were new record contrast with 1983.The Comm.of Scirpus yagara,S.tabernaemontani,Leersiahexandra,Juncel-lus serotinus and Juncus effusus became main dominant communities along the lakeside.Aquatic vegetation had been changing in the direction of marsh vegetation.The speed of Comm.of Alternanthera sessilis spread had been faster than anticipated,particularly seriously in the east,southeast and northeast of Caohai wetland.Interference is the main reason for the change of biodiversity in Caohai.Reducing human disturbance,maintaining a stable surrounding envi-ronment of Caohai are important measures to protect and increase the diversity of aquatic plants.