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.
小熊猫空间分布格局极不连续，存在许多空白区域，栖息地存在破碎化趋势，应进一步加强对邛崃山世界遗产地内小熊猫种群的保护。
The distribution of red panda in Qionglai Mountains was discrete and existed many gaps and fragmentation trend. Thus, the protection of red panda in Qionglai Mountains should be further enhanced.
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