Spatial distribution of plant diversity in shrub layer of Quercus variabilis plantation and its relationship with light environment

doi:10.13287/j.1001-9332.202011.002

Abstract

Abstract: We analyzed the spatial heterogeneity of plant species diversity in shrub layers and its relationship with light environment in Quercus variabilis plantation and Q. variabilis-Platycladus orientali mixed forest, following the method of geostatistics. The results showed that plant species diversity indices (Shannon H, Simpson D_s, Margalef M_a) of shrub layers in Q. variabilis plantation were significantly lower than that in Q. variabilis-P. orientalis mixed forest. The variation ranges and spatial autocorrelation distances of plant species diversity index in Q. variabilis plantation were higher than that in Q. variabilis-P. orientalis mixed forest, with lower spatial homogeneity but stronger spatial dependence. The plant species diversity indices of H, D_s and M_a structural ratios of shrub layers in Q. variabilis pure forest were 44.2%-49.7%, with moderate spatial autocorrelation. The structure ratios of H, D_s and M_a in Q. variabilis-P. orientalis mixed forest were 1.5%-3.3%, with strong spatial autocorrelation. The spatial distribution of biodiversity showed obvious strip-like gradient trend in Q. variabilis plantation and patchy gradient change in Q. variabilis-P. orientalis mixed forest, suggesting that the spatial continuity of plant species of shrub layers was worse in Q. variabilis-P. orientalis mixed forest and that the spatial variation was stronger than that in Q. variabilis pure forest. Results of correlation analysis and stepwise regression analysis showed that the total light and plant canopy openness were the most significant factors affecting plant species diversity of shrub layers in both forest types. Light environment formed by plant canopy structure played a crucial part in maintaining plant diversity in shrub layer.

Key words: Quercus variabilis, shrub layer, species diversity, spatial heterogeneity

YAN Dong-feng, HE Wen, YANG Xi-tian. Spatial distribution of plant diversity in shrub layer of Quercus variabilis plantation and its relationship with light environment[J]. Chinese Journal of Applied Ecology, 2020, 31(11): 3605-3613.

References

[1] 张柳桦, 齐锦秋, 李婷婷, 等. 林分密度对新津文峰山马尾松人工林林下物种多样性和生物量的影响. 生态学报, 2019, 39(15): 5709-5717 [Zhang L-H, Qi J-Q, Li T-T, et al. Effects of stand density on understory plant diversity and biomass in a Pinus massoniana plantation in Wenfeng Mountain, Xinjin County. Acta Ecologica Sinica, 2019, 39(15): 5709-5717]
[2] 张维伟, 薛文艳, 杨斌, 等. 桥山栎林群落结构特征与物种多样性相关关系分析. 生态学报, 2019, 39(11): 3991-4001 [Zhang W-W, Xue W-Y, Yang B, et al. Differences in community characteristics, species diversity, and their coupling associations among three Quercus acutissima forests in Qiaoshan. Acta Ecologica Sinica, 2019, 39(11): 3991-4001]
[3] 孙千惠, 吴霞, 王媚臻, 等. 林分密度对马尾松林林下物种多样性和土壤理化性质的影响. 应用生态学报, 2018, 29(3): 732-738 [Sun Q-H, Wu X, Wang M-Z, et al. Effects of stand density on understory species diversity and soil physicochemical properties of Pinus massoniana plantation. Chinese Journal of Applied Ecology, 2018, 29(3): 732-738]
[4] 吴文, 李月辉, 胡远满. 不同营林措施对林下层多样性和群落结构的影响. 生态环境学报, 2018, 27(7): 1369-1376 [Wu W, Li Y-H, Hu Y-M. Effects of different management on plant diversity and vegetation structures in understory of forests. Ecology and Environmental Sciences, 2018, 27(7): 1369-1376]
[5] 崔宁洁, 陈小红, 刘洋, 等. 不同林龄马尾松人工林林下灌木和草本多样性. 生态学报, 2014, 34(15): 4313-4323 [Cui N-J, Chen X-H, Liu Y, et al. Shrub and herb diversity at different ages of Pinus massoniana plantation. Acta Ecologica Sinica, 2014, 34(15): 4313-4323]
[6] 李哈滨, 王政权, 王庆成. 空间异质性定量研究理论与方法. 应用生态学报, 1998, 9(6): 651-657 [Li H-B, Wang Z-Q, Wang Q-C. Theory and methodology of spatial heterogeneity quantification. Chinese Journal of Applied Ecology, 1998, 9(6): 651-657]
[7] 王甜, 康峰峰, 韩海荣, 等. 山西太岳山小流域土壤水分空间异质性及其影响因子. 生态学报, 2017, 37(11): 3902-3911 [Wang T, Kang F-F, Han H-R, et al. Factors influencing spatial heterogeneity of soil moisture content in a small catchment of Mount Taiyue, Shanxi Province. Acta Ecologica Sinica, 2017, 37(11): 3902-3911]
[8] 朱岩, 张岩, 朱清科, 等. 半干旱黄土区沟间天然草地植被空间分异特征. 生态学杂志, 2011, 30(6): 1063-1069 [Zhu Y, Zhang Y, Zhu Q-K, et al. Spatial distribution patterns of vegetations on natural grassland in Loess Plateau interfluve. Chinese Journal of Ecology, 2011, 30(6): 1063-1069]
[9] 苏松锦, 刘金福, 马瑞丰, 等. 戴云山黄山松幼苗更新与土壤有机碳空间异质性的关系. 应用与环境生物学报, 2014, 20(6): 986-991 [Su S-J, Liu J-F, Ma R-F, et al. Relationship between the spatial heterogeneity of soil organic carbon and Pinus taiwanensis regeneration seedlings. Chinese Journal of Applied and Environmental Biology, 2014, 20(6): 986-991]
[10] 鱼腾飞, 冯起, 司建华, 等. 黑河下游额济纳绿洲植物群落物种多样性的空间异质性. 应用生态学报, 2011, 22(8): 1961-1966 [Yu T-F, Feng Q, Si J-H, et al. Spatial heterogeneity of plant community species diversity in Ejina Oasis at the lower reaches of Heihe River. Chinese Journal of Applied Ecology, 2011, 22(8): 1961-1966]
[11] 富金赤, 李晓莎, 许中旗, 等. 冀北山地阳坡草本植物物种多样性的空间异质性研究. 草地学报, 2018, 26(6): 1298-1304 [Fu J-C, Li X-S, Xu Z-Q, et al. Spatial heterogeneity of herbaceous plant species diversity in dry south-slope of north mountain of Hebei. Acta Agrestia Sinica, 2018, 26(6): 1298-1304]
[12] Liu L, Wang HY, Dai W, et al. Spatial variability of soil organic carbon in the forestlands of northeast China. Journal of Forestry Research, 2014, 25: 867-876
[13] 曾春阳, 唐代生, 唐嘉锴. 森林立地指数的地统计学空间分析. 生态学报, 2010, 30(13): 3465-3471 [Zeng C-Y, Tang D-S, Tang J-K. Spatial pattern analysis of forest ecosystem site index using geostatistical technology. Acta Ecologica Sinica, 2010, 30(13): 3465-3471]
[14] Wang YQ, Shao MA. Spatial variability of soil physical properties in a region of the Loess Plateau of PR China subject to wind and water erosion. Land Degradation and Development, 2013, 24: 296-304
[15] Gurarni D, Arya N, Yadava A, et al. Studies on plant biodiversity of pure Pinus roxburghii Sarg. forest and mixed pine-oak forest in uttarakhand Himalaya. New York Science Journal, 2010, 3: 1-5
[16] 曲红, 王百田, 王棣, 等. 黄土区不同配置人工林物种多样性研究. 生态环境学报, 2010, 19(4): 843-848 [Qu H, Wang B-T, Wang L, et al. Study on species diversity of plantation with different disposition in Loess region. Ecology and Environmental Sciences, 2010, 19(4): 843-848]
[17] 张卫强, 张卫华, 潘文, 等. 桉树林和针阔混交林对植物多样性的影响比较. 水土保持研究, 2014, 21(6): 122-128 [Zhang W-Q, Zhang W-H, Pan W, et al. Effect of Eucalypt plantation and conifer-broadleaved forest on plant biodiversity. Research of Soil and Water Conservation, 2014, 21(6): 122-128]
[18] 胡芳, 曾馥平, 杜虎, 等. 桂西北喀斯特常绿落叶阔叶混交林物种多样性分布格局的尺度效应. 生态学报, 2018, 38(17): 6074-6083 [Hu F, Zeng F-P, Du H, et al. Scale-dependent spatial patterns for species diversity in a karst evergreen and deciduous broad-leaved mixed forest of northwest Guangxi. Acta Ecologica Sinica, 2018, 38(17): 6074-6083]
[19] 张忠华, 胡刚, 祝介东, 等. 喀斯特常绿落叶阔叶混交林物种多度与丰富度空间分布的尺度效应. 生态学报, 2012, 32(18): 5663-5672 [Zhang Z-H, Hu G, Zhu J-D, et al. Scale-dependent spatial variation of species abundance and richness in two mixed evergreen-deciduous broad-leaved karst forests, Southwest China. Acta Ecologica Sinica, 2012, 32(18): 5663-5672]
[20] 邓莉萍, 白雪娇, 秦胜金, 等. 辽东山区次生林物种多样性的空间分布及尺度效应. 应用生态学报, 2016, 27(7): 2197-2204 [Deng L-P, Bai X-J, Qin S-J, et al. Spatial distribution and scale effect of species diversity of secondary forests in montane region of eas-tern Liaoning Province, China. Chinese Journal of Applied Ecology, 2016, 27(7): 2197-2204]
[21] Berger AL, Puettmann KJ. Overstory composition and stand structure influence herbaceous plant diversity in the mixed aspen forest of northern Minnesota. The American Midland Naturalist, 2000, 143: 111-125
[22] 庞圣江, 张培, 杨保国, 等. 广西大青山西南桦人工林林下植物多样性与稳定性. 中南林业科技大学学报, 2018, 38(2): 103-107 [Pang S-J, Zhang P, Yang B-G, et al. Species diversity and community stability of Betula alnoides plantations in Daqingshan Mountain areas of Guangxi. Journal of Central South University of Forestry and Technology, 2018, 38(2): 103-107]
[23] 王奕茹, 李际平, 曹小玉, 等. 基于物种多样性的杉木-闽楠混交林最适密度及混交比例研究. 中南林业科技大学学报, 2019, 39(6): 30-37 [Wang Y-R, Li J-P, Cao X-Y, et al. Study on optimum density and mixed proportion of Chinese fir and Phoebe bournei mixed forest based on species diversity. Journal of Central South University of Forestry and Technology, 2019, 39(6): 30-37]
[24] 郭平平, 税伟, 江聪, 等. 退化天坑倒石坡林下优势物种生态位特征. 应用生态学报, 2019, 30(11): 3635-3645 [Guo P-P, Shui W, Jiang C, et al. Niche characteristics of understory dominant species of talus slope in degraded Tiankeng. Chinese Journal of Applied Ecology, 2019, 30(11): 3635-3645]
[25] 乌云娜, 霍光伟, 雒文涛, 等. 盐碱化梯度上草原植被空间异质性的数量分析. 干旱区资源与环境, 2012, 26(10): 84-90 [Wu Y-N, Huo G-W, Luo W-T, et al. Quantitative analysis on the spatial heterogeneity of grass vegetation at different salinitly intensities. Journal of Arid Land Resources and Environment, 2012, 26(10): 84-90]
[26] 王莉, 林莎, 李远航, 等. 青海大通典型林分冠层结构与林下植被物种多样性关系研究. 西北植物学报, 2019, 39(3): 524-533 [Wang L, Lin S, Li Y-H, et al. Relationship between typical canopy structure and understory vegetation diversity in Datong, Qinghai. Acta Botanica Boreali-Occidentalia Sinica, 2019, 39(3): 524-533]
[27] 区余端, 苏志尧. 粤北山地常绿阔叶林自然干扰后冠层结构与林下光照动态. 生态学报, 2012, 32(18): 5637-5645 [Qu Y-D, Su Z-Y. Dynamics of canopy structure and understory light in montane evergreen broad-leaved forest following a natural disturbance in North Guangdong. Acta Ecologica Sinica, 2012, 32(18): 5637-5645]
[28] Brown ND, Whitmore TC. Do diptercarp seedlings really partition tropical rain forest gaps? Philosophical Transactions of the Royal Society of London Series B: Biological Sciences, 1992, 335: 369-378
[29] Pelt RV, Franklin JF. Influence of canopy structure on the understory environment in tall, old-growth, conifer forests. Canadian Journal of Forest Research, 2000, 30: 1231-1245
[30] 谭一波, 何琴飞, 郑威, 等. 珠江流域中上游防护林冠层结构对林下植被的影响. 生态学杂志, 2016, 35(12): 3148-3156 [Tan Y-B, He Q-F, Zheng W, et al. Effects of canopy structure on understory vegetation in shelterbelt forests along the middle and upper reaches of Pearl River. Chinese Journal of Ecology, 2016, 35(12): 3148-3156]