frozen rain and snow 第1页

Value Estimation of Service Function of Forest Ecosystem Damaged by Frozen Rain and Snow in the South China Effects of the Frozen Rain and Snow Disaster to the Litterfall of Evergreen and Deciduous Broadleaved Mixed Forest in Yangdongshan Shierdushui Nature Reserve of Guangdong Damage of the Frozen Rain and Snow to Natural Secondary Forests and Its Crown Debris in Northern Guangdong Province