Subproject 子项目 7

Subproject   子项目   7

Diversity and community composition of coastal benthic invertebrates related to the dispersal of land-derived pollutants.

Participating scientists

Dr. Inga Nordhaus (ZMT), Dr. Daoru Wang (HAOFS)

Project description

Human activities, e.g. the operating of aquaculture ponds and the related discharges may influence benthic diversity in coastal waters. The decline of invertebrate species in polluted coastal waters can be related to hypoxia, acidic conditions and high organic enrichment in sediments, or can be explained with the toxicity of specific organic contaminants. A decline of species holding important ecological functions as a result, may negatively affect the whole ecosystem.

The major goal is to determine the diversity, distribution and community composition of macrobenthic invertebrates in relation to water and sediment parameters, including the concentrations of nutrients and contaminants in the vicinity of aquaculture facilities and at reference sites. Possible correlations between benthic diversity, community composition and environmental parameters will be determined with multivariate statistics. The stress level and condition factors of selected species will be assessed and their functional roles investigated. This study will provide the basis for a first assessment of pollution effects on benthic diversity and related ecosystem functions.

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