Acta Prataculturae Sinica ›› 2024, Vol. 33 ›› Issue (12): 1-12.DOI: 10.11686/cyxb2024050
Ze-hang YU1,2,3(), Yang YU1,2,3, Quan CAO1,2,3, Yu-zhen LIU1,2,3, Bin FENG1,2,3, Xiao-fang ZHANG1,2,3, Quan-min DONG1,2,3()
Received:
2024-02-05
Revised:
2024-04-08
Online:
2024-12-20
Published:
2024-10-09
Contact:
Quan-min DONG
Ze-hang YU, Yang YU, Quan CAO, Yu-zhen LIU, Bin FENG, Xiao-fang ZHANG, Quan-min DONG. Evaluation of vegetation-soil synergistic coupling in winter rangeland of the Qilian Mountains under different winter grazing management systems[J]. Acta Prataculturae Sinica, 2024, 33(12): 1-12.
目标层 Objective level | 子目标层 Subgoal layer | 指标层 Index level | 权重 Weight |
---|---|---|---|
植被-土壤 耦合系统 Vegetation-soil coupling system | 植被系统 Vegetation system | Shannon-Wiener指数H′ | 0.058 |
Pielou均匀度指数J | 0.101 | ||
Simpson多样性指数C | 0.086 | ||
Patrick丰富度指数R | 0.070 | ||
土壤系统 Soil system | 全碳TC | 0.114 | |
全氮TN | 0.135 | ||
全磷TP | 0.060 | ||
全钾TK | 0.049 | ||
铵态氮NH4+-N | 0.046 | ||
硝态氮NO3--N | 0.061 | ||
速效磷AP | 0.105 | ||
速效钾AK | 0.116 |
Table 1 Evaluation indexes and weights of vegetation-soil system coupling degree
目标层 Objective level | 子目标层 Subgoal layer | 指标层 Index level | 权重 Weight |
---|---|---|---|
植被-土壤 耦合系统 Vegetation-soil coupling system | 植被系统 Vegetation system | Shannon-Wiener指数H′ | 0.058 |
Pielou均匀度指数J | 0.101 | ||
Simpson多样性指数C | 0.086 | ||
Patrick丰富度指数R | 0.070 | ||
土壤系统 Soil system | 全碳TC | 0.114 | |
全氮TN | 0.135 | ||
全磷TP | 0.060 | ||
全钾TK | 0.049 | ||
铵态氮NH4+-N | 0.046 | ||
硝态氮NO3--N | 0.061 | ||
速效磷AP | 0.105 | ||
速效钾AK | 0.116 |
类型 Type | 协同耦合度 Synergetic coupling degree (Sc ) | 等级 Level | 植被-土壤系统综合对比关系Comprehensive correlation of vegetation-soil system (SEy/VEx) | 协同耦合模型 Cooperative coupling model |
---|---|---|---|---|
失调型 Disordered type | 0<Sc ≤0.1 | 极度失调Extreme disorder | ||
0.1<Sc ≤0.2 | 严重失调Severe disorder | 0<SEy/VEx<0.8 | 植被滞后型Vegetation lag type | |
0.2<Sc ≤0.3 | 中度失调Moderate disorder | 0.8≤SEy/VEx≤1.2 | 同步衰退型Synchronous decay pattern | |
0.3<Sc ≤0.4 | 轻度失调Mild disorder | SEy/VEx>1.2 | 土壤滞后型Soil lag type | |
0.4<Sc ≤0.5 | 濒临失调Borderline disorder | |||
协调型 Coordinated type | 0.5<Sc ≤0.6 | 勉强协调Forced coordination | ||
0.6<Sc ≤0.7 | 初级协调Primary coordination | 0<SEy/VEx<0.8 | 植被滞后型Vegetation lag type | |
0.7<Sc ≤0.8 | 中级协调Moderate coordination | 0.8≤SEy/VEx≤1.2 | 同步发展型Synchronous development pattern | |
0.8<Sc ≤0.9 | 良好协调Good coordination | SEy/VEx>1.2 | 土壤滞后型Soil lag type | |
0.9<Sc ≤1.0 | 优质协调Quality coordination |
Table 2 Classification standard of vegetation-soil coupling cooperation degree
类型 Type | 协同耦合度 Synergetic coupling degree (Sc ) | 等级 Level | 植被-土壤系统综合对比关系Comprehensive correlation of vegetation-soil system (SEy/VEx) | 协同耦合模型 Cooperative coupling model |
---|---|---|---|---|
失调型 Disordered type | 0<Sc ≤0.1 | 极度失调Extreme disorder | ||
0.1<Sc ≤0.2 | 严重失调Severe disorder | 0<SEy/VEx<0.8 | 植被滞后型Vegetation lag type | |
0.2<Sc ≤0.3 | 中度失调Moderate disorder | 0.8≤SEy/VEx≤1.2 | 同步衰退型Synchronous decay pattern | |
0.3<Sc ≤0.4 | 轻度失调Mild disorder | SEy/VEx>1.2 | 土壤滞后型Soil lag type | |
0.4<Sc ≤0.5 | 濒临失调Borderline disorder | |||
协调型 Coordinated type | 0.5<Sc ≤0.6 | 勉强协调Forced coordination | ||
0.6<Sc ≤0.7 | 初级协调Primary coordination | 0<SEy/VEx<0.8 | 植被滞后型Vegetation lag type | |
0.7<Sc ≤0.8 | 中级协调Moderate coordination | 0.8≤SEy/VEx≤1.2 | 同步发展型Synchronous development pattern | |
0.8<Sc ≤0.9 | 良好协调Good coordination | SEy/VEx>1.2 | 土壤滞后型Soil lag type | |
0.9<Sc ≤1.0 | 优质协调Quality coordination |
项目Item | GM1 | GM2 | GM3 | 项目Item | GM1 | GM2 | GM3 |
---|---|---|---|---|---|---|---|
甘肃羊茅F. kansuensis | 0.1201 | 0.3249 | 0.3565 | 火绒草Leontopodium leontopodioides | 0.0384 | 0.1013 | 0.0298 |
高山嵩草C. parvula | 0.3975 | 0.1514 | 0.1983 | 肉果草L. tibetica | 0.0014 | - | 0.0230 |
干生薹草Carex aridula | 0.0056 | 0.0858 | 0.0250 | 白花棘豆Oxytropis coerulea | 0.0032 | 0.0037 | 0.0234 |
斜茎黄芪A. laxmannii | 0.0201 | 0.0062 | 0.0046 | 狗娃花Aster hispidus | - | 0.0134 | - |
鸡冠茶S. bifurca | 0.1179 | 0.0427 | 0.0622 | 洽草Koeleria macrantha | - | 0.0377 | - |
多茎委陵菜Potentilla multicaulis | 0.0257 | 0.0346 | 0.0694 | 赖草Leymus secalinus | - | 0.0529 | 0.0767 |
翻白草Potentilla discolor | 0.0269 | 0.0431 | 0.0306 | 早熟禾Poa annua | - | 0.0084 | - |
蒲公英Taraxacum mongolicum | 0.0466 | 0.0057 | 0.0148 | 臭蒿Artemisia hedinii | - | 0.0037 | - |
毛莓草S. adpressa | 0.0111 | 0.0023 | 0.0059 | 藜Chenopodium album | - | - | 0.0151 |
秦艽Gentiana macrophylla | 0.0199 | 0.0106 | - | 西藏大戟Euphorbia tibetica | - | - | 0.0145 |
珠芽蓼B. vivipara | 0.1225 | 0.0716 | 0.0416 | 多刺绿绒蒿Meconopsis horridula | - | - | 0.0080 |
Table 3 Species composition and its important value under different grazing management
项目Item | GM1 | GM2 | GM3 | 项目Item | GM1 | GM2 | GM3 |
---|---|---|---|---|---|---|---|
甘肃羊茅F. kansuensis | 0.1201 | 0.3249 | 0.3565 | 火绒草Leontopodium leontopodioides | 0.0384 | 0.1013 | 0.0298 |
高山嵩草C. parvula | 0.3975 | 0.1514 | 0.1983 | 肉果草L. tibetica | 0.0014 | - | 0.0230 |
干生薹草Carex aridula | 0.0056 | 0.0858 | 0.0250 | 白花棘豆Oxytropis coerulea | 0.0032 | 0.0037 | 0.0234 |
斜茎黄芪A. laxmannii | 0.0201 | 0.0062 | 0.0046 | 狗娃花Aster hispidus | - | 0.0134 | - |
鸡冠茶S. bifurca | 0.1179 | 0.0427 | 0.0622 | 洽草Koeleria macrantha | - | 0.0377 | - |
多茎委陵菜Potentilla multicaulis | 0.0257 | 0.0346 | 0.0694 | 赖草Leymus secalinus | - | 0.0529 | 0.0767 |
翻白草Potentilla discolor | 0.0269 | 0.0431 | 0.0306 | 早熟禾Poa annua | - | 0.0084 | - |
蒲公英Taraxacum mongolicum | 0.0466 | 0.0057 | 0.0148 | 臭蒿Artemisia hedinii | - | 0.0037 | - |
毛莓草S. adpressa | 0.0111 | 0.0023 | 0.0059 | 藜Chenopodium album | - | - | 0.0151 |
秦艽Gentiana macrophylla | 0.0199 | 0.0106 | - | 西藏大戟Euphorbia tibetica | - | - | 0.0145 |
珠芽蓼B. vivipara | 0.1225 | 0.0716 | 0.0416 | 多刺绿绒蒿Meconopsis horridula | - | - | 0.0080 |
处理 Treatment | 植被指数 VEx | 土壤指数 SEy | 植被-土壤系统对比关系 SEy/VEx | 植被-土壤系统耦合度Sc | 植被-土壤系统耦合模式 Vegetation-soil system coupling model |
---|---|---|---|---|---|
GM1 | 0.137 | 0.199 | 1.171 | 0.397 | 轻度失调同步衰退发展型Mild dyssynchrony decline developmental type |
GM2 | 0.177 | 0.319 | 1.802 | 0.482 | 濒临失调土壤滞后发展型Borderline disordered soil lagging development type |
GM3 | 0.158 | 0.424 | 2.684 | 0.510 | 勉强协调土壤滞后发展型Barely coordinated with soil lagging development type |
Table 4 Evaluation of vegetation-soil ecosystem coupling synergistic effect
处理 Treatment | 植被指数 VEx | 土壤指数 SEy | 植被-土壤系统对比关系 SEy/VEx | 植被-土壤系统耦合度Sc | 植被-土壤系统耦合模式 Vegetation-soil system coupling model |
---|---|---|---|---|---|
GM1 | 0.137 | 0.199 | 1.171 | 0.397 | 轻度失调同步衰退发展型Mild dyssynchrony decline developmental type |
GM2 | 0.177 | 0.319 | 1.802 | 0.482 | 濒临失调土壤滞后发展型Borderline disordered soil lagging development type |
GM3 | 0.158 | 0.424 | 2.684 | 0.510 | 勉强协调土壤滞后发展型Barely coordinated with soil lagging development type |
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