Microclimate Variation of Forest Gaps and Uprooted Microsites in Windthrow Area of Spruce-fir Forest Effects of forest gap size and uprooted microsite on the microclimate in Pinus koraiensisdominated broad-leaved mixed forest. Spatiotemporal Variation of the Microclimatic Factors at Pit and Mound Microsites in Windthrow Area of the Spruce-fir Forest and Their Relationships with Soil Temperature