威胁东北虎种群生存的两个最主要因素是捕猎、生境丧失和破碎化。
The primary causes for the decline of the tiger population were poaching, habitat loss, and habitat fragmentation.
生物入侵、全球变化和生境丧失是21世纪的最棘手的三大环境问题。
Biological invasions, global changes and habitat loss constitute the three most pressing environmental problems in the 21st century.
以森林为生境的稀有濒危植物占66．93％ ； 因生境丧失而受威胁的植物达71 ．65 ％ 。
Of all the plants, 66.93% existed in forests and 71.65% were threatened with damage of habitats.
持续的城市增长、农耕、飓风以及哥伦比亚海岸线每年爆发的洪水，都使得极大程度上的植被与生境丧失。
Continuous urban growth, agriculture, and storm surges all contribute to devastating amounts of vegetation and habitat loss, as well as annual flooding along the shoreline of Colombia.
爱知目标要求到2020年大幅度降低包括森林在内的所有自然生境的丧失、退化和条块分割速度。
The Aichi targets call for a significant reduction in the rate of loss, degradation and fragmentation of all natural habitats, including forests, by 2020.
由于人类活动等原因，自然生境在日益丧失和破碎化。
Natural habitat has been increasingly fragmented due to human activity and other reasons.
迅速的全球变化很可能对野生物种产生巨大影响，同时伴随着城市化、农垦和造林实践所引起的自然生境的丧失和破坏。
The rapid global changes are likely to have a large impact on wild species as they combine with loss and damage of natural habitats caused by urbanization, agricultural and silvicultural practices.
迅速的全球变化很可能对野生物种产生巨大影响，同时伴随着城市化、农垦和造林实践所引起的自然生境的丧失和破坏。
The rapid global changes are likely to have a large impact on wild species as they combine with loss and damage of natural habitats caused by urbanization, agricultural and silvicultural practices.
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