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山东滨海盐碱地11个造林树种叶解剖特征对土壤条件的响应
陈旭1,刘洪凯1,赵春周2,王强3,王延平1,*()
Responses of foliar anatomical traits to soil conditions in 11 tree species on coastal saline-alkali sites of Shandong, China
CHEN Xu1,LIU Hong-Kai1,ZHAO Chun-Zhou2,WANG Qiang3,WANG Yan-Ping1,*()

图4. 叶解剖性状与土壤理化性质相关性的冗余分析(RDA)。箭头表示树种叶片解剖性状及土壤理化性质, 实心三角形表示本研究中涉及的11个树种。AP, 土壤速效磷含量; EC, 土壤电导率(25 ℃); LT, 叶厚度; MVD, 中脉直径; NH4-N, 土壤铵态氮含量; NO3-N, 土壤硝态氮含量; pH, 土壤pH值; PT/ST, 栅栏组织厚度/海绵组织厚度; PTT, 栅栏组织厚度; STT, 海绵组织厚度; UET, 上表皮厚度; XT, 木质部厚度。树种缩写同表1。

Fig. 4. Redundancy analysis (RDA) based on foliar anatomical characteristics and soil physiochemical properties correlation. Arrows indicate the foliar anatomical characteristics of tree species and soil physiochemical properties of sites, and the solid triangles designate the 11 tree species. AP, soil available phosphorus content; EC, soil electrical conductivity (25 ℃); LT, leaf thickness; MVD, main vascular diameter; NH4-N, soil ammonium nitrogen content; NO3-N, soil nitrate nitrogen content; pH, soil pH; PT/ST, palisade tissue/sponge tissue; PTT, palisade tissue thickness; STT, sponge tissue thickness; UET, upper epidermis thickness; XT, xylem diameter. See table 1 for species abbreviation.