木札岭世界地质公园优势种锐齿槲栎的种内关系和群落种间关系
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摘要
为了解木札岭落叶阔叶林物种多样性与其分布格局,对木札岭世界地质公园中3 hm~2永久监测样地中锐齿槲栎林进行了研究,分析了不同径级个体的分布格局、种内与种间的关联性。完全随机模型分析表明,锐齿槲栎(Quercus aliena var.acuteserrata)5个生长阶段都主要表现为聚集分布。使用泊松异质性零模型剔除环境异质性以后,聚集分布格局的程度显著降低。幼树与其他龄级的锐齿槲栎在所有尺度上都无显著关联,中树与大树和老树都在小于10 m尺度上表现出负相关,老树和大树在小于20 m尺度上表现出负相关。该研究结果表明,锐齿槲栎群落内竞争主要集中在中树、大树和老树之间,与大部分物种都呈负相关,锐齿槲栎与大部分物种之间竞争激烈且锐齿槲栎占优势。
To understand of species diversity and distribution pattern of the deciduous broad-leaved forest in Muzhaling, Quercus aliena var. acuteserrataforest in a 3 hm~2 permanently monitored plot in Muzhaling World Geopark was studied to analyze the distribution patterns, and the intraspecific and interspecific associations of individuals of different diameter classes. The complete stochastic model analysis showed that the five growth stages of Quercus aliena var. acuteserrata were mainly aggregation distribution. After using the Poisson heterogeneity zero model to eliminate environmental heterogeneity, the degree of aggregation distribution pattern was significantly reduced. There was no significant correlation between saplings and other age-level Quercus aliena var. acuteserrata at all scales. The adult trees were negatively correlated with both large trees and old trees on the scale of less than 10 m. Old and large trees were negatively correlated with each other on the scale of less than 20 m. The results of this study indicated that the competition within the population of Quercus aliena var. acuteserrata concentrated mainly among the adult trees, large trees and old trees, while negative correlation existed between Quercus aliena var. acuteserrata and most of other species. The competition between Quercus aliena var. acuteserrata and most other species was fierce and Quercus aliena var. acuteserrata dominated.
To understand of species diversity and distribution pattern of the deciduous broad-leaved forest in Muzhaling, Quercus aliena var. acuteserrataforest in a 3 hm~2 permanently monitored plot in Muzhaling World Geopark was studied to analyze the distribution patterns, and the intraspecific and interspecific associations of individuals of different diameter classes. The complete stochastic model analysis showed that the five growth stages of Quercus aliena var. acuteserrata were mainly aggregation distribution. After using the Poisson heterogeneity zero model to eliminate environmental heterogeneity, the degree of aggregation distribution pattern was significantly reduced. There was no significant correlation between saplings and other age-level Quercus aliena var. acuteserrata at all scales. The adult trees were negatively correlated with both large trees and old trees on the scale of less than 10 m. Old and large trees were negatively correlated with each other on the scale of less than 20 m. The results of this study indicated that the competition within the population of Quercus aliena var. acuteserrata concentrated mainly among the adult trees, large trees and old trees, while negative correlation existed between Quercus aliena var. acuteserrata and most of other species. The competition between Quercus aliena var. acuteserrata and most other species was fierce and Quercus aliena var. acuteserrata dominated.
引文
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[13] 赵志刚, 郭俊杰, 曾杰, 等. 广西大明山格木种群的空间分布格局与数量动态特征[J]. 林业科学, 2014,50(10):1-7.
[14] 闫琰, 张春雨, 赵秀海. 长白山不同演替阶段针阔混交林群落物种多度分布格局[J]. 植物生态学报, 2012,36(9):923-934.
[15] 田锴, 陈磊, 米湘成, 等. 亚热带常绿阔叶林木本植物幼苗分布格局及其对生境过滤的响应[J]. 科学通报, 2013,58(34):3561-3569.
[16] 陈云, 袁志良, 任思远, 等. 宝天曼自然保护区不同生活型物种与土壤相关性分析[J]. 科学通报, 2014,59(24):2367-2379.
[17] GUO Y, WANG B, XIANG W, et al. Density-dependent effects of tree species in a 15 hm2 seasonal rain forest plot in northern tropical karst in Nonggang, Guangxi, southern China[J]. Chinese Science Bulletin,2015, 60(17):1602-1611.
[18] 王薇, 饶米德, 陈声文, 等. 负密度制约和生境过滤对古田山幼苗系统发育多样性时间变化的影响[J]. 科学通报. 2014,59(19):1844-1850.
[19] 田中平, 庄丽, 李建贵,等. 伊犁河谷北坡野果林木本植物种间关系及环境解释[J]. 生物多样性, 2011,19(3):335-342.
[2] 祝燕, 白帆, 刘海丰,等.北京暖温带次生林种群分布格局与种间空间关联性[J]. 生物多样性, 2011,19(2):252-259.
[3] 樊后保,王义宏.锐齿槲栎种群空间分布格局及动态的研究[J]. 福建林学院学报,1994,14(2):100-103.
[4] 张金屯.植物种群空间分布的点格局分析[J] . 植物生态学报,1998,22(4):344-349.
[5] 陈云,王婷,李培坤, 等. 河南木札岭温带落叶阔叶林群落特征及主要乔木空间分布格局[J]. 植物生态学报,2016,40(11):1179-1188.
[6] 曲仲湘,文振旺,朱克贵. 南京灵谷寺森林现状分析[J]. 植物学报,1952,1(1):18-49
[7] 祝燕, 米湘成, 马克平. 植物群落物种共存机制: 负密度制约假说[J]. 生物多样性,2009,17(6):594-604.
[8] 陈云, 郭凌, 姚成亮, 等. 暖温带-北亚热带过渡区落叶阔叶林群落特征[J]. 生态学报,2017,37(17):5602-5611.
[9] 黄运峰, 丁易, 臧润国, 等. 海南岛霸王岭热带低地雨林树木的空间格局[J]. 植物生态学报,2012,36(4):269-280.
[10] CHEN L, COMITA L S, WRIGHT S J, et al. Forest tree neighborhoods are structured more by negative conspecific density dependence than by interactions among closely related species[J]. Ecography, 2018,41(7):1114-1123.
[11] 宋云峰, 陈声文, 王薇, 等. 负密度制约和生境过滤对古田山幼苗功能多样性年际变化的影响[J]. 生物多样性, 2017, 25(9):959-965.
[12] JIA H R, CHEN Y, YUAN Z L, et al. Effects of environmental and spatial heterogeneity on trecommunity assembly in Baotianman National Nature Reserve, Henan, China[J]. Polish Journal of Ecology, 2015,63(2):175-183.
[13] 赵志刚, 郭俊杰, 曾杰, 等. 广西大明山格木种群的空间分布格局与数量动态特征[J]. 林业科学, 2014,50(10):1-7.
[14] 闫琰, 张春雨, 赵秀海. 长白山不同演替阶段针阔混交林群落物种多度分布格局[J]. 植物生态学报, 2012,36(9):923-934.
[15] 田锴, 陈磊, 米湘成, 等. 亚热带常绿阔叶林木本植物幼苗分布格局及其对生境过滤的响应[J]. 科学通报, 2013,58(34):3561-3569.
[16] 陈云, 袁志良, 任思远, 等. 宝天曼自然保护区不同生活型物种与土壤相关性分析[J]. 科学通报, 2014,59(24):2367-2379.
[17] GUO Y, WANG B, XIANG W, et al. Density-dependent effects of tree species in a 15 hm2 seasonal rain forest plot in northern tropical karst in Nonggang, Guangxi, southern China[J]. Chinese Science Bulletin,2015, 60(17):1602-1611.
[18] 王薇, 饶米德, 陈声文, 等. 负密度制约和生境过滤对古田山幼苗系统发育多样性时间变化的影响[J]. 科学通报. 2014,59(19):1844-1850.
[19] 田中平, 庄丽, 李建贵,等. 伊犁河谷北坡野果林木本植物种间关系及环境解释[J]. 生物多样性, 2011,19(3):335-342.