草地利用方式对温性典型草原优势种植物功能性状的影响

[an error occurred while processing this directive]

张景慧¹^,²^,^3*, 王铮^1*, 黄永梅⁴^,^**(

), 陈慧颖⁵, 李智勇¹^,²^,³, 梁存柱¹^,²^,³

Effects of grassland utilization on the functional traits of dominant plants in a temperate typical steppe

ZHANG Jing-Hui¹^,²^,^3*, WANG Zheng^1*, HUANG Yong-Mei⁴^,^**(

), CHEN Hui-Ying⁵, LI Zhi-Yong¹^,²^,³, LIANG Cun-Zhu¹^,²^,³

图6. 大针茅(Stipa grandis)、羊草(Leymus chinensis)、糙隐子草(Cleistogenes squarrosa)、冷蒿(Artemisia frigida)功能性状的主成分分析(PCA)。LCC, 叶碳含量; LCE, 叶纤维素含量; LDMC, 叶片干物质含量; LLI, 叶木质素含量; LNC, 叶氮含量; RCC, 根碳含量; RCE, 根纤维素含量; RL, 根长; RLI, 根木质素含量; RNC, 根氮含量; R/S, 根冠比; SCC, 茎碳含量; SCE, 茎纤维素含量; S/L, 茎叶比; SLA, 比叶面积; SLI, 茎木质素含量; SNC, 茎氮含量; VH, 植株高度。

Fig. 6. Principal component analysis (PCA) of functional traits of Stipa grandis, Leymus chinensis, Cleistogenes squarrosa and Artemisia frigida. LCC, leaf carbon concentration; LCE, leaf cellulose concentration; LDMC, leaf dry matter concentration; LLI, leaf lignin concentration; LNC, leaf nitrogen concentration; RCC, root carbon concentration; RCE, root cellulose concentration; RL, root length; RLI, root lignin concentration; RNC, root nitrogen concentration; R/S, root:shoot ratio; SCC, stem carbon concentration; SCE, stem cellulose concentration; S/L, stem:leaf ratio; SLA, specific leaf area; SLI, stem lignin concentration; SNC, stem nitrogen concentration; VH, vegetation height.