长白山阔叶红松林树种间相互作用对树木生长与存活的影响

doi:10.13292/j.1000-4890.202206.025

生态学杂志 ›› 2022, Vol. 41 ›› Issue (6): 1050-1055.doi: 10.13292/j.1000-4890.202206.025

长白山阔叶红松林树种间相互作用对树木生长与存活的影响

褚阔¹,何海燕⁴,陈庆英⁵,蔡凤坤⁶,宋光⁷,叶吉^2,3*

（¹辽宁省生态环境保护科技中心，沈阳 110161； ²中国科学院沈阳应用生态研究所，沈阳 110016； ³辽宁省陆地生态系统碳中和重点实验室，沈阳 110016； ⁴吉林省长白山保护开发区管理委员会机关事务管理中心，吉林二道白河 133613； ⁵长白山保护开发区退役军人服务中心，吉林二道白河 133613；⁶长白山科学研究院，吉林二道白河 133613； ⁷锦州市林业草原保护中心，辽宁锦州 121012）

出版日期:2022-06-10 发布日期:2022-06-07

Effects of species interactions on tree growth and survival of mixed broadleaved Korean pine forest on Changbai Mountain.

CHU Kuo¹, HE Hai-yan⁴, CHEN Qing-ying⁵, CAI Feng-kun⁶, SONG Guang⁷, YE Ji^2,3*

(¹Center for Ecology and Environment Protection of Liaoning Province, Shenyang 110161, China; ²Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; ³Key Laboratory of Terrestrial Ecosystem Carbon Neutrality, Liaoning Province, Shenyang 110016, China; ⁴Jilin Changbai Mountain Protection Development Management Committee Government Offices Center, Erbaobaihe 133613, Jilin, China; ⁵Jilin Changbai Mountain Protection Development Management Committee Veteran Services Center, Erdaobaihe 133613, Jilin, China; ⁶Jilin Changbai Mountain Academy of Sciences, Erdaobaihe 133613, Jilin, China; ⁷Jinzhou Forestry and Grassland Protection Center, Jinzhou 121012, Liaoning, China).

Online:2022-06-10 Published:2022-06-07

摘要/Abstract

摘要： 明确物种间相互作用关系，是生态学研究的核心问题。森林生态系统中，树种间相互作用关系是影响森林群落构建的关键因素。邻域效应是树种间相互作用的突出体现。邻域密度作为邻域效应的一种量化，影响着一定范围内的树木个体的生长与存活，并在不同树种间存在一定的差异。本研究以长白山阔叶红松林为对象，基于25 hm²长期固定监测样地的两次调查数据，通过分析邻域密度对树木生长与死亡的影响，探索树种间相互作用在群落树种共存中的作用。研究表明：相对于树木存活，邻域密度对阔叶红松林树木生长的影响更强，且主要以负作用为主。其中，白牛槭、色木槭、稠李、毛榛和暴马丁香的生长与邻域密度呈显著负相关。将邻域组成划分成相同树种（同种）和不同树种（异种）分析后发现：树木生长与两种邻域组成的密度间均存在明显的相关性，且与异种邻域密度间以负效应为主；树木存活与同种邻域密度呈显著的负相关，与异种邻域密度关系较弱，其中同种邻域密度的负效应主要集中在色木槭、假色槭、紫椴和簇毛槭。综上所述，树种间的相互作用是影响长白山阔叶红松林树木生长存活的重要因素，且其作用方向在不同物种间存在显著的差异。本研究明确了树种相互作用对温带阔叶红松林树木生长与存活的影响，为有效保护温带森林生物多样性提供科学依据。

关键词: 阔叶红松林, 长白山, 物种共存, 相互作用, 生长存活

Abstract: Elucidating species interaction is a core issue of ecological research. The interaction among different tree species is a key factor affecting forest community assembly. The neighborhood effect is a prominent manifestation of the interaction among tree species. As an quantiative index of the neighborhood effect, neighborhood density affects the growth and survival of individual trees within a certain range, and such effect varies among different tree species. In this study, based on data of two investigations in a 25hm² broadleaf Korean pine forest dynamic monitoring plot, we explored the role of tree species interaction in influencing community dynamics by analyzing its impacts on tree growth and survival. We found that the neighborhood density had a stronger effect on tree growth than tree survival in the broadleaved Korean pine forest, with primarily negative effect. There was a significant negative correlation between the growth and the neighborhood density ofAcer mandshuricum, Acer mono, Prunus padus, Corylus mandshurica,andSyringa reticulata. By dividing the neighborhood composition into conspecific and heterospecific neighbors, we found a significant correlation between tree growth and densities of both neighborhood types, and that the correlation with the heterospecific neighborhood density was mainly negative. There was a significant negative correlation between tree survival and conspecific neighborhood density, but a weak correlation between tree survival and heterospecific neighborhood density. The negative effect of the conspecific neighborhood density was mainly concentrated in Acer mono, Acer pseudo sieboldianum, Tilia amurensis, and Acer barbinerve. In conclusion, species interaction is an important factor affecting tree growth and survival in Changbai Mountain broadleaved Korean pine forest, with species-specific direction of interaction. Our results uncovered the effects of species interaction on tree growth and survival in the broadleaved Korean pine forest, which could facilitate biodiversity conservation in temperate forests.

Key words: mixed broadleaf Korean pine forest, Changbai Mountain, species coexistence, interaction, growth and survival.

褚阔, 何海燕, 陈庆英, 蔡凤坤, 宋光, 叶吉. 长白山阔叶红松林树种间相互作用对树木生长与存活的影响[J]. 生态学杂志, 2022, 41(6): 1050-1055.

CHU Kuo, HE Hai-yan, CHEN Qing-ying, CAI Feng-kun, SONG Guang, YE Ji. Effects of species interactions on tree growth and survival of mixed broadleaved Korean pine forest on Changbai Mountain.[J]. Chinese Journal of Ecology, 2022, 41(6): 1050-1055.

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长白山阔叶红松林树种间相互作用对树木生长与存活的影响

Effects of species interactions on tree growth and survival of mixed broadleaved Korean pine forest on Changbai Mountain.

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