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Land use change in Asia and the ecological consequences

机译：亚洲土地利用变化及其生态后果

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摘要

Viewed within a historical context, Asia has experienced dramatic land transformations, and currently more than 50% of Asian land area is under agriculture. The consequences of this transformation are manifold. Southeast Asia has the highest deforestation rate of any major tropical region. Many of the world's large rivers and lakes in Asia have been heavily degraded. About 11 of 19 world megacities with more than 10 million inhabitants are in Asia. These land use activities have resulted in substantial negative ecological consequences, including increased anthropogenic CO_2 emissions, deteriorated air and water quality, alteration of regional climate, an increase of disease and a loss of biodiversity. Although land use occurs at the local level, it has the potential to cause ecological impact across local, regional and global scales. Reducing the negative environmental impacts of land use change while maintaining economic viability and social acceptability is an major challenge for most developing countries in Asia.
机译：从历史的角度来看，亚洲经历了戏剧性的土地变革，目前亚洲超过50％的土地面积处于农业生产之下。这种转变的后果是多方面的。在所有主要的热带地区，东南亚的森林砍伐率最高。亚洲许多世界大河和湖泊已严重退化。在世界人口超过1000万的19个世界特大城市中，约有11个位于亚洲。这些土地利用活动造成了严重的负面生态后果，包括人为二氧化碳排放量增加，空气和水质恶化，区域气候变化，疾病增加和生物多样性丧失。尽管土地使用发生在地方一级，但它有可能在地方，区域和全球范围内造成生态影响。减少土地使用变化对环境的负面影响，同时保持经济生存能力和社会接受度，这是亚洲大多数发展中国家面临的主要挑战。

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