物種分佈模型(species distribution model, SDM)又稱環境生態位模型(environmental niche model, ENM)、生境適宜度模型(habitat suitability model, HSM)、潛在生境分佈模型(potential habitat distribution model, PHDM)[1],通過算法物種分佈資訊和環境變量數據進行定量分析,從而估計物種生存所需的溫度降水土壤植被等環境條件, 模擬物種潛在的地理分佈以及全球氣候變化對物種分佈的影響, 是生態學生物地理學演化生物學保護生物學中常用的一種研究方法[2]

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