基于GIS的鄂东南枇杷种植生态适宜性精细化区划
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魏华兵, 陈正洪, 罗翔, 肖运, 罗昱, 张鹏
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Refined division of ecological suitability of loquat planting in southeastern Hubei Province based on GIS
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WEI Huabing, CHEN Zhenghong, LUO Xiang, XIAO Yun, LUO Yu, ZHANG Peng
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表2 鄂东南枇杷气候适宜性指标空间分布模型
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Tab.2 Spatial distribution model of loquat climatic suitability indexes in southeastern Hubei Province
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气候指标 | 空间分布模型 | F值 | R2值 | 年平均气温/℃ | Tave-y(λ,φ,h)=40.914-0.1814λ-0.0981φ-0.0047h | 394.85 | 0.90 | 年最低气温/℃ | Tmin-y(λ,φ,h)=113.052-1.349λ+1.1684φ-0.0027h | 41.01 | 0.52 | ≥10.0 ℃活动积温/℃ | AT10(λ,φ,h)=14018.45-65.618λ-25.618φ-1.6109h | 363.79 | 0.89 | 最低气温≤-3.0 ℃的日数/d | Dlt-3(λ,φ,h)=-382.03+3.502λ-0.466φ+0.0185h | 85.57 | 0.68 | 5月平均气温≥25.0 ℃的日数/d | Dht25-M(λ,φ,h)=223.41-1.512λ-1.406φ-0.0073h | 21.07 | 0.53 | 年降水量/mm | Ry(λ,φ,h)=4500.27+57.442λ-317.739φ+0.0089h | 23.81 | 0.56 | 8—10月降水量/mm | RA-O(λ,φ,h)=-1663.07+38.055λ-79.503φ+0.0442h | 43.34 | 0.51 |
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