古牡蛎

福建古牡蛎礁与海面、海岸线变动

Paleo-oyster reefs and the changes of sea level and shoreline in Fujian Province

宁河地区古牡蛎群年龄统计分析及古环境意义

Statistic Analyse on the Fossil Oyster Ages and Paleo-environment in Bohai Bay , Tianjin

在天津市宁河县七里海一带，分布着规模较大、序列较清晰的古牡蛎群。

There are large serial group of fossil oyster reefs distributing in the Qilihai of Bohai Bay , Ninghe County , Tianjin City .

保护框架应该以河流廊道、古贝壳堤和牡蛎滩为基础，优先保护和恢复河流廊道的自然形态和生态功能，并和古贝壳堤和牡蛎滩一起构成网格状的保护结构。

The wetland protect framework should base on the river corridor , the ancient shell dike and oyster beaches , and give priority to protect and restore the natural shape of the river corridor and ecological functions .

同时在对深沪湾地区晚更新世以来的地层及新构造等综合研究基础上，提出了深沪湾的古森林与古牡蛎礁共生是海平面升降与新构造活动的共同作用下形成的认识。

By the comprehensive study of the strata and recent tectonics since late Pleistocene in the surveyed area , it is considered that the intergrowth of ancient forest and ancient oyster reef results from the sea-level elevation and subsidence and neotectonic activity .