Coastal zones are important habitats to fauna, having a primary production for offering such as benthos and sessile organisms. 摘要沿岸海域一直是生物重要的栖地,并且提供像底栖生物或附著生物相当高的基础生产。
The origin of the Middle Permian Chihsia Formation from South China remains a puzzle for long, with its evident oxygen-deficient features associated with diverse benthos. 华南地区中二叠世栖霞组有机质丰富,出现多方面缺氧沉积特征,同时多门类底栖生物繁盛,其成因一直令人困惑。