as an ecological corridor, the key ecological 「infrastructure」 of the national ecological security pattern in china, wujiang river is disappearing.
作为中国大地上的一条生态廊道——维护国土生态安全的关键性的生态「基础设施」——的乌江正在消失。
healthy wetland ecosystem is a very important constituent of national ecological security system and an important foundation of social and economic sustainable development.
健康的湿地生态系统,是国家生态安全体系的重要组成部分和社会经济可持续发展的重要基础。
starting with the national ecological security actuality, summarizing current related evaluating system, an evaluating theory model of national ecological security is pointed out.
从我国生态安全现状出发,深入总结现有相关评价体系核心,提出国家生态安全评价的理论模型。