Guo Wei Hong, Wang Hua, Yu Mu Kui, Wu Tong Gui, Han You Zhi
College of Forestry, Shanxi Agricultural University, Taigu 030801, Shanxi, China.
Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China.
Ying Yong Sheng Tai Xue Bao. 2017 Mar 18;28(3):772-778. doi: 10.13287/j.1001-9332.201703.032.
We analyzed the rules of Metasequoia glyptostroboides along with latitude, including leaf length, leaf width, leaf perimeter, leaf area, ratio of leaf length to width, specific leaf area (SLA), and leaf dry mass based on eight stands growing at different latitudes in the coastal area of eastern China, as well as their relationships with climatic and soil factors. The results showed that the leaf length, leaf width and leaf perimeter increased with increasing latitude, while the leaf area and SLA firstly increased and then decreased. The mean annual temperature and annual precipitation were the major environmental factors affecting the leaf traits along latitude gradient. With the increase of soil N content, the SLA decreased firstly and then increased, while the leaf mass decreased significantly. With the increase of soil P content, the SLA increased, and the leaf mass decreased significantly.
我们基于在中国东部沿海地区不同纬度生长的8个林分，分析了水杉叶长、叶宽、叶周长、叶面积、叶长宽比、比叶面积（SLA）和叶干质量随纬度的变化规律，以及它们与气候和土壤因子的关系。结果表明，叶长、叶宽和叶周长随纬度升高而增加，而叶面积和SLA先增加后降低。年平均温度和年降水量是影响沿纬度梯度叶性状的主要环境因子。随着土壤氮含量的增加，SLA先降低后升高，而叶质量显著降低。随着土壤磷含量的增加，SLA升高，叶质量显著降低。
