生物多样性 ›› 2021, Vol. 29 ›› Issue (4): 439-448. DOI: 10.17520/biods.2020399
所属专题: 物种形成与系统进化
陈博1,2,3, 江蓝1,2,3, 谢子扬1,2,3, 李阳娣1, 李佳萱1, 李梦佳1,2,3, 魏晨思1,2,3, 邢聪1,2,3, 刘金福1,2,3, 何中声1,2,3,*()
收稿日期:
2020-10-13
接受日期:
2021-02-07
出版日期:
2021-04-20
发布日期:
2021-04-20
通讯作者:
何中声
基金资助:
Bo Chen1,2,3, Lan Jiang1,2,3, Ziyang Xie1,2,3, Yangdi Li1, Jiaxuan Li1, Mengjia Li1,2,3, Chensi Wei1,2,3, Cong Xing1,2,3, Jinfu Liu1,2,3, Zhongsheng He1,2,3,*()
Received:
2020-10-13
Accepted:
2021-02-07
Online:
2021-04-20
Published:
2021-04-20
Contact:
Zhongsheng He
About author:
* E-mail: jxhzs85@126.com摘要:
林窗环境异质性导致群落物种多样性与系统发育多样性(phylogenetic diversity, PD)存在差异, 研究不同大小的林窗中群落的物种多样性与系统发育多样性有助于揭示林下生物多样性的形成及维持机制。本文以格氏栲(Castanopsis kawakamii)天然林为研究对象, 通过Pearson相关性分析与广义线性模型探讨了林窗内物种多样性与系统发育多样性间的相互关系及其环境影响因素。结果表明: (1)大林窗(面积 > 200 m2)植物种类及多度均高于中林窗(50 m2 ≤ 面积 < 100 m2)、小林窗(30 m2 ≤ 面积 < 50 m2)和非林窗(面积 = 100 m2)。大林窗群落系统发育结构趋于发散, 中、小林窗和非林窗群落系统发育结构受到生境过滤和竞争排斥综合作用。(2)群落系统发育多样性指数与物种丰富度(species richness, SR)、Margalef丰富度指数和Shannon-Wiener指数均呈显著正相关, 这与林窗内稀有种种类组成多于优势种有关。(3)林窗面积对物种多样性存在显著正效应; 土壤全氮含量对系统发育多样性和系统发育结构存在显著正效应。林窗形成提高了格氏栲天然林群落物种多样性和系统发育多样性, 林窗面积与土壤全氮共同驱动了格氏栲天然林林窗物种多样性和系统发育多样性的变化。
陈博, 江蓝, 谢子扬, 李阳娣, 李佳萱, 李梦佳, 魏晨思, 邢聪, 刘金福, 何中声 (2021) 格氏栲天然林林窗植物物种多样性与系统发育多样性. 生物多样性, 29, 439-448. DOI: 10.17520/biods.2020399.
Bo Chen, Lan Jiang, Ziyang Xie, Yangdi Li, Jiaxuan Li, Mengjia Li, Chensi Wei, Cong Xing, Jinfu Liu, Zhongsheng He (2021) Taxonomic and phylogenetic diversity of plants in a Castanopsis kawakamiinatural forest. Biodiversity Science, 29, 439-448. DOI: 10.17520/biods.2020399.
大林窗 Large gap | 中林窗 Middle gap | 小林窗 Small gap | 非林窗 Non-gap | |
---|---|---|---|---|
面积 Area (m2) | 206.17 ± 4.26a | 73.16 ± 1.82b | 33.49 ± 2.33b | 100 ± 0.00ab |
海拔 Elevation (m) | 216.33 ± 5.56ab | 199.33 ± 10.87b | 214.00 ± 8.98ab | 221.17 ± 0.17a |
坡度 Slope (°) | 27.33 ± 3.86ab | 29.33 ± 1.25a | 17.67 ± 7.41bc | 13.23 ± 0.09c |
坡位 Slope position | 2.33 ± 0.47a | 1.67 ± 0.94a | 2.00 ± 0.82a | 1.00 ± 0.01a |
土壤含水量 Soil water content (g/kg) | 302.77 ± 32.7a | 280.72 ± 9.39a | 277.90 ± 11.90a | 269.56 ± 8.86a |
土壤全碳含量 Soil total C content (g/kg) | 17.49 ± 3.71a | 19.19 ± 3.69a | 21.49 ± 5.34a | 23.79 ± 0.48a |
土壤全氮含量 Soil total N content (g/kg) | 0.99 ± 0.07a | 1.05 ± 0.21a | 1.39 ± 0.5a | 1.48 ± 0.04a |
土壤全磷含量 Soil total P content (g/kg) | 0.62 ± 0.39a | 0.67 ± 0.17a | 0.38 ± 0.08a | 0.18 ± 0.01a |
土壤全钾含量 Soil total K content (mg/L) | 30.9 ± 0.62a | 22.3 ± 4.97b | 21.5 ± 0.67b | 27.17 ± 0.82ab |
pH值 pH value | 3.49 ± 0.05a | 3.39 ± 0.04a | 3.52 ± 0.12a | 3.41 ± 0.02a |
水解氮 Hydrolyzed nitrogen (mg/kg) | 124.45 ± 8.00a | 128.01 ± 31.19a | 111.01 ± 9.02a | 136.41 ± 3.01a |
碳氮比 C/N | 17.43 ± 2.71a | 18.08 ± 1.08a | 16.66 ± 1.66a | 16.55 ± 0.83a |
有效磷含量 Available P content (mg/kg) | 5.26 ± 2.70ab | 11.31 ± 8.95ab | 19.57 ± 1.84a | 3.87 ± 0.20b |
年均空气温度 Annual air temperature (℃) | 25.15 ± 0.53a | 25.20 ± 0.07a | 24.91 ± 0.24a | 24.27 ± 0.48a |
年均空气湿度 Annual air humidity (%) | 90.08 ± 1.22a | 85.34 ± 7.14a | 90.14 ± 2.49a | 91.75 ± 0.81a |
年均土壤温度 Annual soil temperature (℃) | 24.38 ± 1.11a | 24.25 ± 0.35a | 23.40 ± 0.49a | 23.01 ± 0.47a |
表1 格氏栲天然林不同大小林窗和非林窗环境因子指标
Table 1 Index of environmental factors of different forest gaps and non-gaps in Castanopsis kawakamiinatual forest
大林窗 Large gap | 中林窗 Middle gap | 小林窗 Small gap | 非林窗 Non-gap | |
---|---|---|---|---|
面积 Area (m2) | 206.17 ± 4.26a | 73.16 ± 1.82b | 33.49 ± 2.33b | 100 ± 0.00ab |
海拔 Elevation (m) | 216.33 ± 5.56ab | 199.33 ± 10.87b | 214.00 ± 8.98ab | 221.17 ± 0.17a |
坡度 Slope (°) | 27.33 ± 3.86ab | 29.33 ± 1.25a | 17.67 ± 7.41bc | 13.23 ± 0.09c |
坡位 Slope position | 2.33 ± 0.47a | 1.67 ± 0.94a | 2.00 ± 0.82a | 1.00 ± 0.01a |
土壤含水量 Soil water content (g/kg) | 302.77 ± 32.7a | 280.72 ± 9.39a | 277.90 ± 11.90a | 269.56 ± 8.86a |
土壤全碳含量 Soil total C content (g/kg) | 17.49 ± 3.71a | 19.19 ± 3.69a | 21.49 ± 5.34a | 23.79 ± 0.48a |
土壤全氮含量 Soil total N content (g/kg) | 0.99 ± 0.07a | 1.05 ± 0.21a | 1.39 ± 0.5a | 1.48 ± 0.04a |
土壤全磷含量 Soil total P content (g/kg) | 0.62 ± 0.39a | 0.67 ± 0.17a | 0.38 ± 0.08a | 0.18 ± 0.01a |
土壤全钾含量 Soil total K content (mg/L) | 30.9 ± 0.62a | 22.3 ± 4.97b | 21.5 ± 0.67b | 27.17 ± 0.82ab |
pH值 pH value | 3.49 ± 0.05a | 3.39 ± 0.04a | 3.52 ± 0.12a | 3.41 ± 0.02a |
水解氮 Hydrolyzed nitrogen (mg/kg) | 124.45 ± 8.00a | 128.01 ± 31.19a | 111.01 ± 9.02a | 136.41 ± 3.01a |
碳氮比 C/N | 17.43 ± 2.71a | 18.08 ± 1.08a | 16.66 ± 1.66a | 16.55 ± 0.83a |
有效磷含量 Available P content (mg/kg) | 5.26 ± 2.70ab | 11.31 ± 8.95ab | 19.57 ± 1.84a | 3.87 ± 0.20b |
年均空气温度 Annual air temperature (℃) | 25.15 ± 0.53a | 25.20 ± 0.07a | 24.91 ± 0.24a | 24.27 ± 0.48a |
年均空气湿度 Annual air humidity (%) | 90.08 ± 1.22a | 85.34 ± 7.14a | 90.14 ± 2.49a | 91.75 ± 0.81a |
年均土壤温度 Annual soil temperature (℃) | 24.38 ± 1.11a | 24.25 ± 0.35a | 23.40 ± 0.49a | 23.01 ± 0.47a |
指数 Index | 大林窗 Large gap | 中林窗 Middle gap | 小林窗 Small gap | 非林窗 Non-gap | |
---|---|---|---|---|---|
系统发育多样性 Phylogenetic diversity | SES.PD | 995.37 ± 173.75a | 904.14 ± 0.82b | 901.02 ± 89.64b | 638.09 ± 74.88b |
NRI | ?0.231 ± 0.213a | ?0.051 ± 0.327a | ?0.283 ± 0.598a | ?0.502 ± 0.380a | |
NTI | ?0.261 ± 0.487a | 0.577 ± 0.546a | 1.391 ± 0.977a | 0.473 ± 0.769a | |
物种多样性 Species diversity | Margalef | 2.72 ± 0.44a | 2.69 ± 0.17b | 2.24 ± 0.42b | 1.98 ± 0.36b |
Simpson | 0.59 ± 0.01a | 0.58 ± 0.01a | 0.48 ± 0.02a | 0.45 ± 0.01a | |
Shannon-Wiener | 1.48 ± 0.23a | 1.59 ± 0.05b | 1.33 ± 0.12b | 1.27 ± 0.08b | |
物种丰富度 Species richness | 11.33 ± 2.28a | 9.01 ± 2.24ab | 8.51 ± 2.37b | 6.67 ± 0.62b | |
Pielou均匀度 Pielou evenness | 0.43 ± 0.08a | 0.53 ± 0.02a | 0.46 ± 0.01a | 0.45 ± 0.01a |
表2 格氏栲天然林不同大小林窗群落系统发育多样性与物种多样性
Table 2 Phylogenetic diversity (PD) and plants taxonomic diversity of different forest gaps in Castanopsis kawakamiinature forest
指数 Index | 大林窗 Large gap | 中林窗 Middle gap | 小林窗 Small gap | 非林窗 Non-gap | |
---|---|---|---|---|---|
系统发育多样性 Phylogenetic diversity | SES.PD | 995.37 ± 173.75a | 904.14 ± 0.82b | 901.02 ± 89.64b | 638.09 ± 74.88b |
NRI | ?0.231 ± 0.213a | ?0.051 ± 0.327a | ?0.283 ± 0.598a | ?0.502 ± 0.380a | |
NTI | ?0.261 ± 0.487a | 0.577 ± 0.546a | 1.391 ± 0.977a | 0.473 ± 0.769a | |
物种多样性 Species diversity | Margalef | 2.72 ± 0.44a | 2.69 ± 0.17b | 2.24 ± 0.42b | 1.98 ± 0.36b |
Simpson | 0.59 ± 0.01a | 0.58 ± 0.01a | 0.48 ± 0.02a | 0.45 ± 0.01a | |
Shannon-Wiener | 1.48 ± 0.23a | 1.59 ± 0.05b | 1.33 ± 0.12b | 1.27 ± 0.08b | |
物种丰富度 Species richness | 11.33 ± 2.28a | 9.01 ± 2.24ab | 8.51 ± 2.37b | 6.67 ± 0.62b | |
Pielou均匀度 Pielou evenness | 0.43 ± 0.08a | 0.53 ± 0.02a | 0.46 ± 0.01a | 0.45 ± 0.01a |
图1 格氏栲天然林群落物种多样性指数与系统发育指数之间的相关分析。红色表示正相关, 蓝色表示负相关。颜色越深, 圆形越大, 表示相关性越强。SES.PD: 标准化系统发育多样性; SR: 物种丰富度; NRI: 净谱系亲缘关系指数; NTI: 净最近种间亲缘关系指数; S-W: Shannon-Wiener指数; *: P < 0.05; **: P < 0.01; ***: P < 0.001。
Fig. 1 Pearson correlation between plants taxonomic and phylogenetic indices of Castanopsis kawakamii forest communities. Red and blue indicated positive and negative correlation, respectively. The darker color and larger circle indicated a stronger correlation. SES.PD, standardization phylogenetic diversity; SR, Species richness;NRI, Net relatedness index;NTI, Net nearest taxa index; S-W, Shannon-Wiener index; *, P < 0.05; **, P < 0.01; ***, P < 0.001.
图2 环境因子对系统发育多样性、系统发育结构和物种多样性指数的影响。线条表示95%置信区间, 红点表示显著正效应(P < 0.05), 灰点表示显著负效应(P < 0.05), 蓝点表示不显著影响。SES.PD: 标准化系统发育多样性; SR: 物种丰富度; NRI: 净谱系亲缘关系指数; NTI: 净最近种间亲缘关系指数; S-W: Shannon-Wiener指数; SIZE: 面积; ELE: 海拔; TC: 全碳; TN: 全氮; TP: 全磷; AP: 有效磷; TK: 全钾; SWC: 土壤含水量; HN: 水解氮: SPO: 坡位; SLOP: 坡度。
Fig. 2 The relative effects of environmental factors on phylogenetic diversity, phylogenetic structure and plants taxonomic index. The lines represent 95% confidence intervals; the red dots represent significant positive effects (P< 0.05), and the gray dots represent significant negative effects (P< 0.05), the blue dots show an insignificant effect. SES.PD, Standardization phylogenetic diversity; SR, Species richness;NRI, Net relatedness index;NTI, Net nearest taxa index; S-W, Shannon-Wiener index; SIZE, Area; ELE, Elevation; TC, Total carbon; TN, Total nitrogen; TP, Total phosphorus; AP, Available phosphorus; TK, Total potassium; SWC, Soil water content; HN, Hydrolyzed nitrogen; SPO, Slope position; SLOP, Slope.
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