Effects of Intensive Domestic Duck Farming on Mangroves and Macrobenthos in Dongzhaigang Bay,Hainan
To analyze the effects of intensive domestic duck farming on mangrove plants and macrobenthos in mangrove ecosystems,this study investigated the survival rate of the seedlings,pneumatophores density,and growth status of adult Bruguiera sexangula plants,as well as the community structure of macrobenthos at sites with different farming patterns(i.e.,the captive area,outside the captive area,the captive areas that abandoned for two years,and the captive areas that abandoned for five years,)and uncaptive areas separately in the intensive domestic duck farming areas with Bruguiera sexangula as dominated mangrove species,and the survival rate of the seedlings,and the mortality rate of Ceriops tagal adult plants,as well as the community structure of macrobenthos at sites with different distance to the intensive farming areas with Ceriops tagal as dominated mangrove species in Dongzhaigang Bay,Hainan.The results showed that intensive domestic duck farming hindered the renewal of mangrove seedlings and pneumatophores,and interfered with the survival of mangrove plants seriously.Moreover,the density and biomass of macrobenthos in the intensive farming areas were significantly lower than that in the non-farming areas.This study indicated that intensive domestic duck farming in Dongzhaigang Bay has caused significant negative impacts on mangrove ecosystems.
万方数据
维普
