岩溶洞穴苔藓群落特征及其对重金属污染的指示意义: 以贵州织金洞为例

刘润, 张朝晖, 申家琛, 王智慧

Community characteristics of bryophyte in Karst caves and its effect on heavy metal pollution: A case study of Zhijin Cave, Guizhou Province

Run Liu,Zhaohui Zhang,Jiachen Shen,Zhihui Wang

表3 距洞口不同深度苔藓基质重金属含量(平均值 ± 标准误)/(mg/kg)及其群落指标

Table 3 The content of heavy metal (mean ± SE) (mg/kg) in the substrate of bryophytes at different distance to entrance and it’s community indicators

距洞口深度 Distance to entrance	基质铬 Substrate Cr		基质汞 Substrate Hg		基质锌 Substrate Zn		群落丰富度 Community richness	物种丰富度 Species richness	多样性指数 Diversity index
距洞口深度 Distance to entrance	含量 Content	超标倍数 Times of ultra standard	含量 Content	超标倍数 Times of ultra standard	含量 Content	超标倍数 Times of ultra standard	群落丰富度 Community richness	物种丰富度 Species richness	多样性指数 Diversity index
80 m	72.68 ± 0.83^d	-0.26	0.55 ± 0.01^d	4.00	73.7 ± 0.95^d	-0.24	12	26	7
60 m	100.41 ± 2.65^b	-0.07	0.70 ± 0.01^d	5.36	92.3 ± 0.95^cd	0.05	8	15	5
40 m	178.54 ± 0.75^a	1.80	6.65 ± 0.06^a	59.45	278.4 ± 1.45^a	0.86	5	9	3
20 m	97.31 ± 0.82^c	0.24	5.83 ± 0.09^b	52.00	123.5 ± 1.1^c	0.01	4	13	4
0 m	83.88 ± 1.29^d	1.17	3.47 ± 0.06^c	30.55	216.3 ± 3.35^b	-0.13	7	16	5