对江西井冈山、官山、军峰山、三清山和浙江莲花山6个样地的长柄双花木(Disanthus cercidifolius var. longipes)所在群落物种多样性进行了研究.结果表明,群落中植物区系组成种类丰富,共有80科170属283种;群落乔木层优势种突出;灌木层以长柄双花木、鹿角杜鹃(Rhododendron latoucheae)占优势.6个群落的Simpson指数为0.443 6~0.949 2,Shannon-wiener指数为1.459 0~3.642 2,Pielou均匀度指数为0.359 3~0.759 8;官山样地的Simpson指数、Shannon-wiener指数及Pielou均匀度指数值都是最大,而井冈山最小;从平均值来看,物种丰富度指数、物种多样性指数及均匀度指数值都是灌木层﹥乔木层.频度分析结果显示,长柄双花木群落的频度图谱均不符合Raunkiaer标准频度定律,仅官山2个样地在图的形状上较为相似.各群落均受到一定程度的人为破坏,应通过就地保护、人工栽培等措施加强保护.
Abstract
The species community diversity of Disanthus cercidifolius var. longipes in 6 plots from Jinggang Mountain, Guanshan Mountain, Junfeng Mountain, Shanqing Mountain in Jiangxi Province and Lianhua Mountain in Zhejiang Province were studied. The result shows that the community floristic composition is abundant. There are 283 species belonging to 170 genera and 80 families. The species in the tree layer is simplex, and the dominant species is prominent. D. cercidifolius var. longipes and Rhododendron latoucheae are dominant species in the shrub layer. Simpson index range is about 0.443 6~0.949 2, Shannon-Wiener index range is about 1.459 0~3.642 2 and Pielou evenness index range is about 0.359 3~0.759 8 of the six communities with D. cercidifolius var. longipes. Guanshan Mountain Plot has the highest indexes, while Jinggang Mountain Plot has the lowest. On the average, the species richness index, the species diversity index and the species evenness index are in the order of shrub layer > tree layer. Frequency analysis indicates that the frequency spectra of the communities does not comply with the law of Raunkiaer standard frequency. Only two quadrats from Guanshan Mountain are similar in the shape of the graph. All the communities are subject to artificial destruction. The protection should be strengthened with some measures, such as in situ conservation and artificial cultivation, etc.
关键词
长柄双花木 /
群落 /
物种多样性 /
丰富度 /
均匀度
{{custom_keyword}} /
Key words
Disanthus cercidifolius var. longipes /
community /
species diversity /
richness /
evenness
{{custom_keyword}} /
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1] 高浦新, 李美琼, 周赛霞, 等.濒危植物长柄双花木(Disanthus cercidifolius var. longipes) 的资源分布及濒危现状[J]. 植物科学学报, 2013, 31(1): 34-41.
GAO P X, LI M Q, ZHOU S X, et al. Distribution and current status of the endangered plant Disanthus cercidifolius var. longipes[J]. J Plant Sci, 2013, 31(1): 34-41.
[2] 缪绅裕, 曾庆昌, 陈志明, 等. 南岭大东山长柄双花木群落物种组成与种群结构特征分析[J].植物资源与环境学报, 2014, 23(1): 51-57.
MIAO S Y, ZENG Q C, CHEN Z M, et al. Analyses on community species composition and population structure characteristics of Disanthus cercidifolius var.longipes in Dadongshan of Nanling Mountain[J]. J Plant Res Envir, 2014, 23(1): 51-57.
[3] 缪绅裕, 陈志明, 陶文琴, 等. 大东山不同海拔长柄双花木种群形态特征比较[J]. 广东农业科学, 2013, 40(12): 167-170.
MIAO S Y, CHEN Z M, TAO W Q, et al. Comparsion on morphological characteristics of Disanthus cercidifolius var. longipes populations growing at different altitude in Dadongshan[J]. Guangdong Agr Sci, 2013, 40(12): 167-170.
[4] 缪绅裕, 陈志明, 李晓杰, 等. 南岭大东山火烧迹地长柄双花木种群特征[J]. 林业资源管理, 2013(3):88-93.
MIAO S Y, CHEN Z M, LI X J, et al. Characteristics of recovery population of Disanthus cercidifolius var. longipes at burned area in Dadongshan of Nanling Mountains[J]. For Res Manag, 2013, 42(3): 88-93.
[5] 张嘉茗, 廖育艺, 谢国文, 等. 国家珍稀濒危植物长柄双花木的种群特征[J]. 热带生物学报, 2013, 4 (1): 75-80.
ZHANG J M, LIAO Y Y, XIE G W, et al. Study on the species characteristics of an endangered plant of Disanthus cercidifolius var. longipes[J]. J Trop Biol, 2013, 4(1): 75-80.
[6] 李象钦, 李丽卡, 谢国文, 等. 江西濒危植物长柄双花木群落区系多样性研究[J]. 江西农业大学学报, 2014, 36(5): 948-957.
LI X Q, LI L K, XIE G W, et al. A study on the floristic diversity of the communities with national endangered plant Disanthus cercidifolius var.longipes[J]. Acta Agri Univ Jangxi, 2014, 36(5): 948-957.
[7] 谢国文, 谭巨清, 曾宇鹏, 等. 国家重点保护物种长柄双花木南岭群落植物区系与资源[J]. 广东教育学院学报, 2010, 30(5): 79-87.
XIE G W, TAN J Q, ZENG Y P, et al. Flora and plant resources of national priority protected species Disanthus cercidifolius var. longipes community in Nanling[J]. J Guangdong Inst Edu, 2010, 30(5): 79-87.
[8] 谢国文, 赵俊杰, 李荣华, 等. 濒危植物长柄双花木 ISSR-PCR反应体系的优化[J]. 广州大学学报: 自然科学版, 2010, 9(2): 45-50.
XIE G W, ZHAO J J, LI R H, et al. Optimization of ISSR-PCR reaction systems of an endangered plant Disanthus cercidifolius var. longipes[J]. J Guangzhou Univ: Nat Sci Edi, 2010, 9(2): 45-50.
[9] 谢国文, 李丽卡, 赵俊杰, 等. 南岭国家濒危植物长柄双花木遗传多样性研究[J]. 广州大学学报: 自然科学版, 2014, 13(4): 47-52.
XIE G W, LI L K, ZHAO J J, et al. Genetic diversity of national endangered plant Disanthus cercidifolius var. longipes in Nanling[J]. J Guangzhou Univ: Nat Sci Edi, 2014, 13(4): 47-52.
[10]肖宜安, 何平, 李晓红, 等. 濒危植物长柄双花木自然种群数量动态[J]. 植物生态学报, 2004, 28(2): 252-257.
XIAO Y A, HE P, LI X H, et al.Study on numeric dynamics of natural populations of the endangered plant Disanthus cercidifolius var. longipes[J]. Acta Phyt Sin, 2004, 28(2): 252-257.
[11]肖宜安, 肖南, 李晓红, 等. 濒危植物长柄双花木自然种群年龄结构及其生态对策[J]. 广西植物, 2007, 27(6): 850-854.
XIAO Y A, XIAO N, LI X H, et al.The age structure and ecological strategy in a wild population of the endangered plant Disanthus cercidifolius var. longipes (Hamamelidaceae)[J]. Guihaia, 2007, 27(6): 850-854.
[12]XIAO Y A, HE P, ZENG J J, et al. Pollen and resource limitations to lifetime seed production in a wild population of the endangered plant Disanthus cercidifolius var.longipes (Hamamelidaceae)[J]. Front Biol China, 2007, 2(4): 437-442.
[13]XIAO Y A, NEOG B, XIAO Y H, et al. Pollination biology of Disanthus cercidifolius var.longipes, an endemic and endangered plant in China[J]. Biologia, 2009, 64(4): 731-736.
[14]吴茂林, 曾小琴, 余本锋. 军峰山森林旅游区风景资源质量评价[J]. 安徽农业科学, 2007, 35(11): 3245-3246, 3261.
WU M L, ZENG X Q, YU B F. Scenery resource quality evaluation of forest tourism area in Junfeng Mountain[J]. J Anhui Agri Sci, 2007, 35(11): 3245-3246, 3261.
[15]沈如江, 林石狮, 凡强, 等. 江西省三清山长柄双花木优势群落研究[J]. 武汉植物学研究, 2009, 27(5): 501-508.
SHEN R J, LIN S S, FAN Q, et al. Study on dominant community of Disanthus cercidifolius subsp. longipes from mountain Sanqingshan of Jiangxi province[J]. J Wuhan Bot Res, 2009, 27(5): 501-508.
[16]王伯荪, 余世孝, 彭少麟, 等. 植物群落学实验手册[M]. 广州:广东高等教育出版社, 1996.
WANG B S,YU S X, PENG S L,et al. Phytocoenology laboratory manual[M]. Guangzhou:Guangdong Higher Education Press,1996.
{{custom_fnGroup.title_cn}}
脚注
{{custom_fn.content}}
基金
国家自然科学基金资助项目(31270259,31540069);全国大学生“挑战杯”资助项目和创新资助项目
{{custom_fund}}
PDF(668 KB)
