Biodiv Sci ›› 2011, Vol. 19 ›› Issue (4): 414-423.DOI: 10.3724/SP.J.1003.2011.10289
• Original Papers • Previous Articles Next Articles
Shengbin Chen1, Zhiyun Ouyang1,*(), Yu Fang1, Zhenji Li2
Received:
2010-12-03
Accepted:
2011-04-20
Online:
2011-07-20
Published:
2011-07-29
Contact:
Zhiyun Ouyang
Shengbin Chen, Zhiyun Ouyang, Yu Fang, Zhenji Li. Geographic patterns of endemic seed plant genera diversity in China[J]. Biodiv Sci, 2011, 19(4): 414-423.
属丰富度 GRN | 特有属丰富度 EGRN | |
---|---|---|
特有属丰富度 EGRN | 0.703* | |
特有属比例 EGR | 0.311* | 0.852* |
Table 1 Correlation between genera richness (GRN), endemic genera richness (EGRN), and endemic genera ratio (EGR) of seed plants in China. Richness data were ln-transformed.
属丰富度 GRN | 特有属丰富度 EGRN | |
---|---|---|
特有属丰富度 EGRN | 0.703* | |
特有属比例 EGR | 0.311* | 0.852* |
Fig. 2 Changes of genera richness (GRN) (a, b), endemic genera richness (EGRN) (c, d), and endemic genera ratio (EGR) (e, f) of seed plants along with longitude and latitude. Richness data were ln-transformed.
Fig. 3 Moran’s I of genera richness (GRN), endemic genera richness (EGRN), and endemic genera ratio (EGR) of seed plants at different distance classes
自变量 Independent variables | 属丰富度 GRN | 特有属丰富度 EGRN | 特有属比例 EGR | |||||
---|---|---|---|---|---|---|---|---|
一次 Linear | 二次 Quadratic | 一次 Linear | 二次 Quadratic | 一次 Linear | 二次 Quadratic | |||
面积 AREA (–) | 0.051* | 0 0.008 | 0.005 | |||||
海拔幅度 REL (+) | 0.004 | 0.050* | 0.067* | 0.084* | 0.106* | 0.102* | ||
年均温 TEM (+) | 0.304* | 0.304* | 0.100* | 0.192* | 0.001 | 0.130* | ||
最冷月均温 TCM (+) | 0.377* | 0.376* | 0.189* | 0.353* | 0.010 | 0.220* | ||
年降雨量 PRE (+) | 0.389* | 0.506* | 0.148* | 0.308* | 0.001 | 0.144* | ||
最干月降雨量 PDM (+) | 0.210* | 0.282* | 0.108* | 0.115* | 0.005 | 0.006 | ||
潜在蒸散 PET (+) | 0.342* | 0.380* | 0.075* | 0.214* | 0.002 | 0.126* | ||
实际蒸散 AET (+) | 0.465* | 0.520* | 0.198* | 0.309* | 0.008 | 0.116* |
Table 2 Regression coefficient of genera richness (GRN), endemic genera richness (EGRN) and endemic genera ratio (EGR) of seed plants with each environmental factor
自变量 Independent variables | 属丰富度 GRN | 特有属丰富度 EGRN | 特有属比例 EGR | |||||
---|---|---|---|---|---|---|---|---|
一次 Linear | 二次 Quadratic | 一次 Linear | 二次 Quadratic | 一次 Linear | 二次 Quadratic | |||
面积 AREA (–) | 0.051* | 0 0.008 | 0.005 | |||||
海拔幅度 REL (+) | 0.004 | 0.050* | 0.067* | 0.084* | 0.106* | 0.102* | ||
年均温 TEM (+) | 0.304* | 0.304* | 0.100* | 0.192* | 0.001 | 0.130* | ||
最冷月均温 TCM (+) | 0.377* | 0.376* | 0.189* | 0.353* | 0.010 | 0.220* | ||
年降雨量 PRE (+) | 0.389* | 0.506* | 0.148* | 0.308* | 0.001 | 0.144* | ||
最干月降雨量 PDM (+) | 0.210* | 0.282* | 0.108* | 0.115* | 0.005 | 0.006 | ||
潜在蒸散 PET (+) | 0.342* | 0.380* | 0.075* | 0.214* | 0.002 | 0.126* | ||
实际蒸散 AET (+) | 0.465* | 0.520* | 0.198* | 0.309* | 0.008 | 0.116* |
模型 Model | 自变量 Independent variables | R2 (%) | AIC | P |
---|---|---|---|---|
属丰富度(GRN) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 9.1 | 178 | < 0.001 |
气候模型 Climatic model | PRE, PRE2, PDM, PDM2, PET, TCM, TEM2 | 57.4 | 52 | < 0.001 |
空间模型 Spatial model | X, XY, Y2, X3, X2Y, XY2 | 46.6 | 96 | < 0.001 |
综合模型 Integrative model | AREA, REL2, PRE, PRE2, PET, X, XY, XY2 | 66.7 | 35 | < 0.001 |
特有属丰富(EGRN) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 11.9 | 430 | < 0.001 |
气候模型 Climatic model | TEM, TEM2, TCM, PRE, PRE2, PDM, PDM2, PET, AET | 60.1 | 305 | < 0.001 |
空间模型 Spatial model | X, Y, XY, Y2, X3, X2Y, XY2, Y3 | 58.0 | 306 | < 0.001 |
综合模型 Integrative model | AREA, REL2, PRE, PRE2, X, Y, Y2, X2Y, XY2 | 73.9 | 240 | < 0.001 |
特有属比例(EGR) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 12.2 | 578 | < 0.001 |
气候模型 Climatic model | TEM, TEM2, TCM, PET, PRE, PRE2 | 49.1 | 490 | < 0.001 |
空间模型 Spatial model | X, Y, X2, XY, Y2, X2Y, XY2, Y3 | 53.5 | 471 | < 0.001 |
综合模型 Integrative model | REL, REL2, TEM, TCM, PET, Y, X2, XY, X2Y, XY2, Y3 | 62.2 | 229 | < 0.001 |
Table 3 Summary of heterogeneity, climate, spatial and integrative models for genera richness (GRN), endemic genera richness (EGRN) and endemic genera ratio (EGR) of seed plants
模型 Model | 自变量 Independent variables | R2 (%) | AIC | P |
---|---|---|---|---|
属丰富度(GRN) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 9.1 | 178 | < 0.001 |
气候模型 Climatic model | PRE, PRE2, PDM, PDM2, PET, TCM, TEM2 | 57.4 | 52 | < 0.001 |
空间模型 Spatial model | X, XY, Y2, X3, X2Y, XY2 | 46.6 | 96 | < 0.001 |
综合模型 Integrative model | AREA, REL2, PRE, PRE2, PET, X, XY, XY2 | 66.7 | 35 | < 0.001 |
特有属丰富(EGRN) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 11.9 | 430 | < 0.001 |
气候模型 Climatic model | TEM, TEM2, TCM, PRE, PRE2, PDM, PDM2, PET, AET | 60.1 | 305 | < 0.001 |
空间模型 Spatial model | X, Y, XY, Y2, X3, X2Y, XY2, Y3 | 58.0 | 306 | < 0.001 |
综合模型 Integrative model | AREA, REL2, PRE, PRE2, X, Y, Y2, X2Y, XY2 | 73.9 | 240 | < 0.001 |
特有属比例(EGR) | ||||
生境异质性模型 Heterogeneity model | AREA, REL, REL2 | 12.2 | 578 | < 0.001 |
气候模型 Climatic model | TEM, TEM2, TCM, PET, PRE, PRE2 | 49.1 | 490 | < 0.001 |
空间模型 Spatial model | X, Y, X2, XY, Y2, X2Y, XY2, Y3 | 53.5 | 471 | < 0.001 |
综合模型 Integrative model | REL, REL2, TEM, TCM, PET, Y, X2, XY, X2Y, XY2, Y3 | 62.2 | 229 | < 0.001 |
因变量 Response variables | 独立效应 Pure components (%) | 交互效应 Shared components (%) | 解释的总方差 Total variance explained (%) | |||||
---|---|---|---|---|---|---|---|---|
H | C | S | HC | HS | CS | HCS | ||
属丰富度 GRN | 8.2 | 9.1 | 2.4 | -6.3 | 1.2 | 36.9 | -7.1 | 66.7 |
特有属丰富度 EGRN | 7.5 | 5.7 | 8.9 | 1.7 | 5.2 | 41.8 | 2.0 | 73.9 |
特有属比例 EGR | 2.5 | 1.9 | 9.8 | 6.8 | 6.1 | 35.9 | 3.2 | 62.2 |
Table 4 Spatial variance in genera richness (GRN), endemic genera richness (EGRN), and endemic genera ratio (EGR) of seed plants explained exclusively by heterogeneity (H), climatic factors (C) and spatial factors (S), as well as jointly by the interactions between these groups (HC, HS, CS and HCS)
因变量 Response variables | 独立效应 Pure components (%) | 交互效应 Shared components (%) | 解释的总方差 Total variance explained (%) | |||||
---|---|---|---|---|---|---|---|---|
H | C | S | HC | HS | CS | HCS | ||
属丰富度 GRN | 8.2 | 9.1 | 2.4 | -6.3 | 1.2 | 36.9 | -7.1 | 66.7 |
特有属丰富度 EGRN | 7.5 | 5.7 | 8.9 | 1.7 | 5.2 | 41.8 | 2.0 | 73.9 |
特有属比例 EGR | 2.5 | 1.9 | 9.8 | 6.8 | 6.1 | 35.9 | 3.2 | 62.2 |
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