Nonlinear mixed effects crown width model for planted L. kaempferi at high altitudes in southern China

• Published in: Trees (Berlin, West) Vol. 39; no. 3; p. 54
• Main Authors: Liu, Jiateng, Tong, Yiwen, Gao, Huilin, Sun, Xiaomei, Chen, Dongsheng
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2025; Springer Nature B.V
• Subjects: Agriculture; Altitude; Biomedical and Life Sciences; China; climate; Climate change; equations; Forestry; heat sums; Height; heteroskedasticity; High altitude; High-altitude environments; Larix kaempferi; Life Sciences; Original Article; Plant Anatomy/Development; Plant Pathology; Plant Physiology; Plant Sciences; Planting; Planting density; prediction; spring; Thinning; timber production; tree growth; Trees; variance; China; Crown width; Thinning intensity; Climate variable; Initial planting density; plantation

Key message Incorporating height to crown base, competition index, climate variable, initial planting density, and thinning intensity into base crown width model significantly improved the performance of the crown width prediction of L. kaempferi at high altitudes in southern China. Crown width (CW)...