向海湿地保护区位于白城地区通榆县西北面向海水库南面，科尔沁草原东部边陲，面积为10.67万公顷，是国家级自然保护区。
To the main ecological function of Xianghai Wetland------waterfowlconservation, two kinds indicators are selected. They are indicators of ecological importance and fragility of environment.
针对向海湿地的主要生态功能——生物多样性保护，本文选择了两类评价指标：生态重要性指标和环境脆弱性指标。
参考来源 - 向海湿地生态安全评价及恢复研究·2,447,543篇论文数据，部分数据来源于NoteExpress
研究表明，人类不合理的开发是造成向海湿地沙化的主要原因。
Results indicates that human over utilization and poor management are the key causes of the sedimentation of the wetland.
以向海湿地为研究对象，研究了封闭性湿地和开放性湿地土壤全氮含量的季节动态变化特征及其氮储量。
The Fulaowenpao and Erbaifangzi wetlands were chosen as typical sites to study the characteristics of seasonal dynamics of total nitrogen in marsh soils from both closed and open wetlands.
松嫩平原扎龙、向海国家级自然保护区是我国中温带最完整的湿地生态系统。
Zalong and Xianghai national nature protection zone in Song-Nen plain is most integrated wetland ecosystem in the mid temperate zone of China.
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