外来物种入侵已经成为人类历史上最重大的生态事件之一,它直接威胁到了包括中国在内的世界上很多国家的经济、公众健康、农业生产力和生态的完整性。该研究利用遥感和GIS的方法进行了外来入侵物种的相对适生区分析,预测了外来物种-豚草在中国的潜在分布,并在信息理论的框架下建立了一种改进的加权平均逻辑回归模型。利用logit阈值和频率统计的方法对入侵物种的生境进行相对适应性划分,减小了生物多样性数据的不对称带来的影响。
Exotic species invasion has been one of the most dramatic ecological event in human history that threatens our economy,public health and ecological integrity.Explaining the nature of the species and species-environment relationship and predicting the spatial distribution of the invasive exotic plants is of great importance for invasive exotic plants prevention and early warning efforts.One approach to species-specific predictions involves the use of habitat-suitability or niche-based models whereby environm...