Relationships between environmental variables and abundance of Cnidaria and Echinodermata in Çardak Lagoon, Çanakkale Strait

S. Acar, A. Ateş, E. Dağlı, A. Doğan
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Abstract

This study is on the relationships between the abundances, of cnidarians and echinoderms found in Çardak Lagoon and environmental variables. The benthos samples were collected in three replicates in October 2018, February, April, and June 2019, using a metal framed quadrat system of 100 x 100 cm and 393 cm3 sediment core by a SCUBA diver. Sediment material was collected at 7 sampling points of Çardak Lagoon in Çanakkale Strait. A total of 259 individuals belonging to phylum, Cnidaria and Echinodermata were found in the study area. Cnidarian, Actinia sp. and echinoderm, Asterina gibbosa were the most dominant species. The highest positive correlation value was between Cnidaria species number and organic matter (OM%) content in the sediment. The highest negative correlation value was between Echinodermata species number and NO2+NO3 in lagoon system.
Çanakkale海峡Çardak礁湖环境变量与刺胞菌和棘皮菌丰度的关系
本研究是关于在Çardak泻湖发现的刺胞动物和棘皮动物的丰度与环境变量之间的关系。在2018年10月、2019年2月、4月和6月分三次重复收集底栖动物样本,由一名SCUBA潜水员使用100 x 100 cm和393 cm3沉积物岩心的金属框架样方系统。在Çanakkale海峡Çardak泻湖7个采样点采集沉积物。研究区共发现刺胞门、棘皮门259只。刺胞动物、Actinia sp.和棘皮动物、Asterina gibbosa为优势种。刺胞菌种类数与沉积物有机质(OM%)含量的正相关值最高。泻湖系统中棘皮动物种类数量与NO2+NO3负相关值最高。
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