The preliminary observations of anthropogenic effects on the benthic macroinvertebrate communities in the brooks of the Eastern Black Sea region of Turkey: Çağlayan and Ikizdere

Abstract

The aim of the present research is to determine the different anthropogenic effects on the benthic macroinvertebrates communities with some physico-chemical parameters in the two brooks (Çağlayan and İkizdere) of the East Black Sea Region of Turkey. The study period is about one year and samples are collected seasonally from the upstreams to the down streams of the Brooks at least from the five stations of each. Macroinvertebrate samples are collected with a Surber sampler, sampling area of 0.09 m2. Water temperature, dissolved oxygen, electrical conductivity and pH are measured in situ. According to the preliminary observations; the taxonomic list of benthic macroinvertebrate communities consist of the members of Tricoptera, Ephemeroptera, Diptera, Hemiptera, Plecoptera and Amphipoda orders at the two Brooks in the autumn and winter samplings. Their abundances are changed from the upstreams to the downstreams by the degree of the anthropogenic effects such as fish farms effluents, touristic areas, hydroelectric power stations, the stone breaker plants and the sewages. In the poster, the preliminary results of the benthic macroinvertebrate communities and some physico-chemical parameters in the two Brooks located in the same region under different pollution effects will be presented just for autumn and winter seasons in comparison.

Keywords

• Benthic macroinvertebrates
• water quality
• Çağlayan brook
• İkizdere brook