青藏高原东缘常见阔叶木本植物叶片性状对环境因子的响应

杨继鸿,李亚楠,卜海燕,张世挺,齐威

Response of leaf traits of common broad-leaved woody plants to environmental factors on the eastern Qinghai-Xizang Plateau

YANG Ji-Hong,LI Ya-Nan,BU Hai-Yan,ZHANG Shi-Ting,QI Wei

表1 青藏高原东缘研究区各海拔段气候和植被特征

Table 1 Climate and vegetation characteristics of each altitude belt of study area on the eastern Qinghai-Xizang Plateau

海拔段 Altitude belt (m) 气候带 Climatic zone 年平均气温 Mean annual air temperature (℃) 无霜期 Frost-free period (d) 生长季 Growing season (d) 地带性木本植被类型 Zonal woody vegetation type 1 600-1 900 亚热带-暖温带 Subtropical-warm temperate 11-15 200-240 230-270 温带-北亚热带阔叶林 Temperate-North subtropical broad-leaved forest 1 900-2 200 暖温带 Warm temperate 8-12 160-210 210-250 温带落叶阔叶林 Temperate deciduous broad-leaved forest 2 200-2 500 暖温带-中温带 Warm temperate-medium temperature 5-9 120-170 190-230 温带落叶阔叶林及针阔混交林 Temperate deciduous broad-leaved forest and coniferous and broad-leaved mixed forest 2 500-2 800 中温带 Medium temperature 3-7 80-130 170-210 温带针阔混交林 Temperate coniferous and broad-leaved mixed forest 2 800-3 100 中温带-亚高山带 Medium temperate-subalpine 1-5 40-90 150-190 温带及亚高山针阔混交林 Temperate and subalpine coniferous and broad-leaved mixed forest 3 100-3 400 亚高山带 subalpine zone -1-3 0-50 140-170 亚高山针阔混交林 Subalpine coniferous and broad-leaved mixed forest 3 400-3 700 亚高山带-高寒带 Subalpine-alpine -3-1 0-20 120-160 高寒及亚高山灌丛 Alpine and subalpine shrub 3 700-4 000 高寒带 Alpine -5- -1 0 100-140 高寒灌丛 Alpine shrub