There are a wide variety of wild plants in Maoershan National Forest Park.According to a fiveyear survey,the plants are found to include 557 species belonging to 116 families and 335 genera.There are 10 dominant famil...There are a wide variety of wild plants in Maoershan National Forest Park.According to a fiveyear survey,the plants are found to include 557 species belonging to 116 families and 335 genera.There are 10 dominant families,such as Asteraceae,Ranunculaceae,Rosaceae,Fabaceae,and Chenopodiaceae,including 251 species,accounting for 46.06% of the total.There are 9 dominant genera,such as Polygonum,Potentilla ,Viola ,Artemisia ,and Corydalis ,which include 82 species of plants,accounting for 14.72% of the total.This study statistically analyzed the diversity and function of plants in the park and classified useful plants to provide a basis for the conservation and development of plant resources in Maoershan National Forest Park.展开更多
大型底栖无脊椎动物是良好的水质指示生物,但目前广泛采用评价方法的计算相对较复杂、对分类鉴定能力要求高,极大地限制了大型底栖无脊椎动物应用于水质的生物评价.基于鄱阳湖湿地30个采样点的大型底栖无脊椎动物群落数据,通过与大型底...大型底栖无脊椎动物是良好的水质指示生物,但目前广泛采用评价方法的计算相对较复杂、对分类鉴定能力要求高,极大地限制了大型底栖无脊椎动物应用于水质的生物评价.基于鄱阳湖湿地30个采样点的大型底栖无脊椎动物群落数据,通过与大型底栖无脊椎动物完整性指数(benthic macroinvertebrate-based index of biotic integrity,B-IBI)的相关性分析及参照点、受损点间的判别能力分析,从8个候选指数中筛选出适合于鄱阳湖湿地水质的快速生物评价指数.结果显示:(1)Margalef指数与B-IBI指数的相关系数很高(r=0.90,P <0.001),且在参照点和受损点之间具有显著差异;(2)Margalef指数与反映鄱阳湖主要污染物的水质参数总磷、总氮、高锰酸钾指数均具有显著的相关性,r值分别为0.59(P <0.001)、0.45(P <0.01)和0.51(P <0.01);(3)Margalef指数评价结果显示鄱阳湖湿地总体上处于较差的状态,与基于理化参数的水质评价结果基本一致.本研究表明Margalef指数可作为鄱阳湖湿地水质的生物评价指数,能较好地反映水体的污染状况,可为鄱阳湖湿地的日常水质监测和评价提供重要方法.展开更多
基金Sponsored by 2017 Heilongjiang Provincial Education Department Project(G2017010456)
文摘There are a wide variety of wild plants in Maoershan National Forest Park.According to a fiveyear survey,the plants are found to include 557 species belonging to 116 families and 335 genera.There are 10 dominant families,such as Asteraceae,Ranunculaceae,Rosaceae,Fabaceae,and Chenopodiaceae,including 251 species,accounting for 46.06% of the total.There are 9 dominant genera,such as Polygonum,Potentilla ,Viola ,Artemisia ,and Corydalis ,which include 82 species of plants,accounting for 14.72% of the total.This study statistically analyzed the diversity and function of plants in the park and classified useful plants to provide a basis for the conservation and development of plant resources in Maoershan National Forest Park.
文摘大型底栖无脊椎动物是良好的水质指示生物,但目前广泛采用评价方法的计算相对较复杂、对分类鉴定能力要求高,极大地限制了大型底栖无脊椎动物应用于水质的生物评价.基于鄱阳湖湿地30个采样点的大型底栖无脊椎动物群落数据,通过与大型底栖无脊椎动物完整性指数(benthic macroinvertebrate-based index of biotic integrity,B-IBI)的相关性分析及参照点、受损点间的判别能力分析,从8个候选指数中筛选出适合于鄱阳湖湿地水质的快速生物评价指数.结果显示:(1)Margalef指数与B-IBI指数的相关系数很高(r=0.90,P <0.001),且在参照点和受损点之间具有显著差异;(2)Margalef指数与反映鄱阳湖主要污染物的水质参数总磷、总氮、高锰酸钾指数均具有显著的相关性,r值分别为0.59(P <0.001)、0.45(P <0.01)和0.51(P <0.01);(3)Margalef指数评价结果显示鄱阳湖湿地总体上处于较差的状态,与基于理化参数的水质评价结果基本一致.本研究表明Margalef指数可作为鄱阳湖湿地水质的生物评价指数,能较好地反映水体的污染状况,可为鄱阳湖湿地的日常水质监测和评价提供重要方法.
