黔西北地区优势树种适应功能群及其特征
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摘要
探讨黔西北地区优势树种适应功能群,能够阐明其生存策略,为退化森林生态系统恢复提供理论依据。以黔西北地区14个优势树种的10个叶片功能性状指标为依据,采用排序方法划分适应功能群。结果表明:叶片功能性状具有较好的组合和权衡关系,14个优势树种划分为3类植物适应功能群,云南松、华山松、马桑为厚叶高持水功能群,杜鹃、银白杨、栓皮栎、白栎、川榛为低资源利用功能群,金丝桃、毛栗、核桃、缫丝花、火棘、光皮桦为快速生长功能群。厚叶高持水功能群、低资源利用功能群比叶面积偏小,属于缓慢投资方式;快速生长功能群叶片较厚,比叶面积中等偏大,资源利用效率较高,为快速投资方式。说明不同树种采取特有的方式适应生境,结果能够为集成植物群落结构配置与优化策略提供理论参考。
Analyzing the adaptive functional groups of dominant tree species in northwestern of Guizhou Province and introducing their survival strategies,provide theoretical basis for the restoration of degraded forest ecosystem. Based on the 10 leaf functional characteristics indexes of 14 dominant tree species in northwestern of Guizhou Province,the adaptive function was divided different groups by using the ranking method. The results showed that the functional characteristics of leaves are easier to classify,and 14 dominant tree species were divided into three adaptive functional groups according to the leaf characteristics,one is thick leaf with high water holding functional group,such as Pinus yunnanensis,Pinus armandii,Coriaria nepalensis; another one is low-resourceutilization functional group,including Rhododendron simsii,Populus alba,Quercus variabilis,Quercus fabri,Corylus heterophylla,and the last group is rapid growth functional group,which includes Hypericum monogynum,Castanea mollissima,Juglans regia,Rosa roxburghii,Pyracantha fortuneana,Betula luminifera. The thick leaf with high water holding functional group and the low-resource-utilization functional group had a smaller leaf area than the other,which belongs to a long-term investment. Instead,the leaves of rapid growth functional group are thicker with rather larger leaf area,and it has higher resource utilization efficiency and is a fast investment. It shows that different tree species adopt unique ways to adapt to various habitats,and the results can provide theoretical references for structure arrangement and optimization of plant community.
Analyzing the adaptive functional groups of dominant tree species in northwestern of Guizhou Province and introducing their survival strategies,provide theoretical basis for the restoration of degraded forest ecosystem. Based on the 10 leaf functional characteristics indexes of 14 dominant tree species in northwestern of Guizhou Province,the adaptive function was divided different groups by using the ranking method. The results showed that the functional characteristics of leaves are easier to classify,and 14 dominant tree species were divided into three adaptive functional groups according to the leaf characteristics,one is thick leaf with high water holding functional group,such as Pinus yunnanensis,Pinus armandii,Coriaria nepalensis; another one is low-resourceutilization functional group,including Rhododendron simsii,Populus alba,Quercus variabilis,Quercus fabri,Corylus heterophylla,and the last group is rapid growth functional group,which includes Hypericum monogynum,Castanea mollissima,Juglans regia,Rosa roxburghii,Pyracantha fortuneana,Betula luminifera. The thick leaf with high water holding functional group and the low-resource-utilization functional group had a smaller leaf area than the other,which belongs to a long-term investment. Instead,the leaves of rapid growth functional group are thicker with rather larger leaf area,and it has higher resource utilization efficiency and is a fast investment. It shows that different tree species adopt unique ways to adapt to various habitats,and the results can provide theoretical references for structure arrangement and optimization of plant community.
引文
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[20] GRASSEIN F,TILL-BOTTRAUD I,LAVOREL S. Plant resource-use strategies:the importance of phenotypic gradient for two subalpine species[J]. Annals of Botany,2010,106(4):637-645.
[21]李颖,姚婧,杨松,等.东灵山主要树种在不同环境梯度下的叶功能性状研究[J].北京林业大学学报,2014,36(1):72-77.
[22]刘晓娟,马克平.植物功能性状研究进展[J].中国科学:生命科学,2015,45(4):325-339.
[2]胡楠,范玉龙,丁圣彦.伏牛山森林生态系统灌木植物功能群分类[J].生态学报,2009,29(8):4 017-4 025.
[3]刘建荣.云顶山草本植物功能群研究[J].北京林业大学学报,2017,39(9):76-82.
[4] ADLER P B,SEABLOOM E W,BORER E T,et al. Productivity is a poor predictor of plant species richness[J]. Science,2011,333(6 050):1 750-1 753.
[5]范高华,神祥金,李强,等.松嫩草地草本植物生物多样性:物种多样性和功能群多样性[J].生态学杂志,2016,35(12):3 205-3 214.
[6] KONG D L,WU H F,ZENG H,et al. Plant functional group removal alters root biomass and nutrient cycling in a typical steppe in Inner Mongolia,China[J]. Plant and Soil,2011,346(1/2):133-144.
[7]韩生慧,徐先英,贺访印,等.干旱荒漠区几种云杉属植物的生态适应性研究[J].西北林学院学报,2016,31(5):55-60.
[8]邱帅,卢山,余磊,等. 3种垂直绿化基质中园林植物干旱适应性的比较[J].西北植物学报,2017,37(2):286-296.
[9]姬鹏飞,韩鸿基.两种藓类植物对光强的适应性差异[J].草业科学,2017,34(9):1 787-1 792.
[10] SUN S Q,WU Y H,WANG G X,et al. Bryophyte species richness and composition along an altitudinal gradient in Gongga Mountain,China[J]. PloS one,2013,8(3):1-10.
[11]罗琦,刘慧,吴桂林,等.基于功能性状评价5种植物对热带珊瑚岛环境的适应性[J].生态学报,2018,38(4):1-8.
[12]胡涛,李苏,柳帅,等.哀牢山山地森林不同附生地衣功能群的水分关系和光合生理特征[J].植物生态学报,2016,40(8):810-826.
[13]曲同宝,王呈玉,庞思娜,等.松嫩草地4种植物功能群土壤微生物碳源利用的差异[J].生态学报,2015,35(17):5 695-5 702.
[14]关智宏,熊康宁,顾再柯,等.撒拉溪喀斯特土地整理区动植物物种多样性[J].湖北农业科学,2016,55(6):1 433-1 440.
[15]喻阳华,钟欣平,程雯.黔西北地区优势树种叶片功能性状与经济谱分析[J].森林与环境学报,2018,38(2):196-201.
[16]贺金生,韩兴国.生态化学计量学:探索从个体到生态系统的统一化理论[J].植物生态学报,2010,34(1):2-6.
[17]宋同清,彭晚霞,曾馥平,等.木论喀斯特峰丛洼地森林群落空间格局及环境解释[J].植物生态学报,2010,34(3):298-308.
[18] THOMPSON K,PARKINSON J A,BAND S R,et al. A comparative study of leaf nutrient concenntrations in a regional herbaceous flora[J]. New Phytologist,1997,136(4):679-689.
[19] WRIGHT I J,WESTOBY M,REICH P B. Convergence towards higher leaf mass per area in dry and nutrient-poor habitats has different consequences for leaf life span[J]. Journal of Ecology,2002,90(3):534-543.
[20] GRASSEIN F,TILL-BOTTRAUD I,LAVOREL S. Plant resource-use strategies:the importance of phenotypic gradient for two subalpine species[J]. Annals of Botany,2010,106(4):637-645.
[21]李颖,姚婧,杨松,等.东灵山主要树种在不同环境梯度下的叶功能性状研究[J].北京林业大学学报,2014,36(1):72-77.
[22]刘晓娟,马克平.植物功能性状研究进展[J].中国科学:生命科学,2015,45(4):325-339.
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