CAJ | 학술논문

在建立三江源区草地植被覆盖遥感监测和评价指标体系的基础上,对2008年三江源区草地植被覆盖状况做出评价,并用马尔柯夫链,对2000-2008年三江源区草地植被覆盖动态变化进行分析.结果表明:三江源区2008年草地总体为低植被覆盖草地,低覆盖和极低覆盖草地面积分别占31.29%和9.29%,其中西部和中东部草地植被覆盖状况令人担忧;依据转移矩阵,表明近九年,三江源区的草地植被覆盖总体呈降低趋势,但从低覆盖和极低覆盖草地出现好转,有10.82%低覆盖和14.23%极低覆盖草地分别转化为中覆盖和低覆盖等级草地,说明2000年以来实施的<青海三江源自然保护区生态保护和建设总体规划>生态建设项目效果明显.
재건립삼강원구초지식피복개요감감측화평개지표체계적기출상,대2008년삼강원구초지식피복개상황주출평개,병용마이가부련,대2000-2008년삼강원구초지식피복개동태변화진행분석.결과표명:삼강원구2008년초지총체위저식피복개초지,저복개화겁저복개초지면적분별점31.29%화9.29%,기중서부화중동부초지식피복개상황령인담우;의거전이구진,표명근구년,삼강원구적초지식피복개총체정강저추세,단종저복개화겁저복개초지출현호전,유10.82%저복개화14.23%겁저복개초지분별전화위중복개화저복개등급초지,설명2000년이래실시적<청해삼강원자연보호구생태보호화건설총체규화>생태건설항목효과명현.
The paper made a comment on coverage of grassland of the Three River Source Area, based on monitoring and building indicator system for evaluating coverage and also implemented Markov process to analyse dynamic changes of coverage of the region during the last nine years. The result indicated that coverage of grassland in the area belonged to poor grade in 2008,which low coverage and lower coverage respectively occupied 31.29% and 9.29%.The coverage of western and mid-eastern regions was serious degradation in the study area. In the meantime the result also show that extent of coverage had a hierarchical reduction. Otherwise for low coverage and lower coverage began to appear changes in the negative direction, which meant a ascending tendency from low coverage and lower coverage that occupied 10.82% and 14.23% of the study region respectively to the middle coverage and low coverage during last nine years.