祁连圆柏林群落组成及特征.docxVIP

祁连圆柏林群落组成及特征

目录

1.祁连圆柏林群落概述......................................2

1.1圆柏的生态学特性.....................................3

1.2祁连圆柏林的地理位置与气候条件.......................4

1.3祁连圆柏林的生态功能.................................5

2.祁连圆柏林群落组成......................................6

2.1主要乔木层...........................................6

2.2灌木层...............................................7

2.2.1灌木种类及分布...................................9

2.2.2灌木层结构特征..................................10

2.3地被层..............................................11

2.3.1地被植物种类....................................12

2.3.2地被层生态作用..................................13

3.祁连圆柏林群落特征.....................................14

3.1植物多样性..........................................15

3.1.1物种多样性分析..................................16

3.1.2物种组成特点....................................18

3.2结构特征............................................19

3.2.1树高、胸径、冠幅等指标............................20

3.2.2群落结构图解....................................21

3.3生态位分析..........................................22

3.3.1不同物种的生态位重叠程度........................23

3.3.2生态位宽度与生态位重叠..........................24

4.祁连圆柏林群落动态变化.................................25

4.1植物群落演替........................................27

4.1.1演替类型与过程..................................28

4.1.2影响演替的主要因素..............................29

4.2群落稳定性与恢复力..................................31

4.2.1群落稳定性分析..................................32

4.2.2群落恢复力评估..................................33

5.祁连圆柏林保护与管理...................................34

5.1群落保护现状........................................35

5.1.1保护政策与法规..................................36

5.1.2保护措施与效果..................................38

5.2群落管理策略........................................39

5.2.1管理目标与原则..................................40

5.2.2具体管理措施....................................41

1.祁连圆柏林群落概述

祁连圆柏林群落位于我国青海省祁连山脉中段，是我国重要的天然林资源之一。该群落以其独特的