Investigation and diversity analysis of bird resources in Baiwall Reservoir of Mengzhou City
Birds have a wide ecological niche and are sensitive to changes in ecological factors.They are biological indicators of environmental quality.In order to understand the species composition and diversity of birds in Baiwall Reservoir of Mengzhou City,and better protect the ecological environment,in the two years from May 2021 to March 2022(cycle Ⅰ)and June 2022 to March 2023(cycle Ⅱ),the combination of line transect method and fixed point observation method was used to investigate bird species in Baiwall Reservoir of Mengzhou City,and the diversity analysis was carried out.A total of 4 947 birds belonging to 17 orders,38 families and 102 species were observed.Among them,there were 1 national Class Ⅰ protected animals and 15 national Class Ⅱ protected animals.The IUCN Red List included two near threatened(NT)species and four vulnerable(VU)species.The dominant species were the common cormorant(Phalacrocorax carbo),the coot chicken(Fulica atra),the heron(Ardea cinerea)and the scarp swallow(Riparia riparia).The R software iNEXT package was used to analyze the diversity of birds in different cycles,different months,breeding and wintering periods.The results showed that the bird diversity and uniformity analysis in cycleⅡwere higher than that in cycleⅠ,with the highest bird diversity and uniformity in August 2022,and the bird diversity in wintering period was higher than that in breeding period.The research results had important reference value for ecological environment protection and bird protection of Baiwall Reservoir in Mengzhou City.
Baiwall Reservoir in Mengzhou Citywetlandsbird resourcesalpha diversityuniformity analysis
NETL
NSTL
万方数据
