奉贤滨海湿地蟹类和蟹洞的分布特征及影响因子

李翔; 田慧敏; 吴靖颖; 陈思雨; 赵明明; 徐平; 陈雪初; 由文辉

doi:10.3969/j.issn.1000-5641.2021.02.016

奉贤滨海湿地蟹类和蟹洞的分布特征及影响因子

doi: 10.3969/j.issn.1000-5641.2021.02.016

李翔^{1, 2,},
田慧敏^{1, 2},
吴靖颖^{1, 2},
陈思雨^{1, 2},
赵明明^{1, 2},
徐平^{1, 2},
陈雪初^{1, 2},
由文辉^{1, 2, ,}

1.
华东师范大学生态与环境科学学院, 上海　200241
2.
华东师范大学上海城市化生态过程与生态恢复重点实验室, 上海　200241

基金项目: 国家重点研发计划(2017YFC0506002)

详细信息

通讯作者:
由文辉, 男, 教授, 博士生导师, 研究方向为城市生态学、水域生态学. E-mail: whyou@admin.ecnu.edu.cn

中图分类号: Q958.1
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- 文章访问数: 60
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- 被引次数: 0
出版历程
- 收稿日期: 2020-05-29
- 刊出日期: 2021-03-30

Distribution characteristics and influencing factors of crabs and crab burrows in the Fengxian coastal wetland

LI Xiang^{1, 2
,},
TIAN Huimin^{1, 2},
WU Jingying^{1, 2},
CHEN Siyu^{1, 2},
ZHAO Mingming^{1, 2},
XU Ping^{1, 2},
CHEN Xuechu^{1, 2},
YOU Wenhui^{1, 2
, ,}

1.
School of Ecological and Environmental Sciences, East China Normal University, Shanghai　200241, China
2.
Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai　200241, China

摘要

摘要: 研究了奉贤滨海湿地3种生境类型中的蟹类、蟹洞分布特征以及影响因子, 揭示了影响蟹类及其洞穴分布的主要影响因子, 加深了对穴居蟹类生活习性的认识. 结果显示: ①天津厚蟹多度在高潮滩芦苇生境高于低潮滩互花米草生境、中潮滩芦苇-互花米草混合生境(p < 0.01), 褶痕相手蟹多度在生境间无显著差异(p > 0.05); ②高潮滩芦苇生境中, 蟹洞密度显著高于低潮滩互花米草生境、中潮滩芦苇-互花米草混合生境(p < 0.05), 蟹洞开口直径显著低于低潮滩互花米草生境、中潮滩芦苇-互花米草混合生境(p < 0.05); ③蟹类多度与蟹洞密度分布不存在显著的线性关系(p > 0.05), 但天津厚蟹多度与蟹洞密度具有极显著的正相关性(p < 0.01); ④蟹类多度与植物地下生物量呈负相关关系(p < 0.01); ⑤蟹洞密度与植被盖度与密度之间呈负相关关系, 与相对高程、含水率、电导率、总有机碳含量与总氮含量呈正相关关系, 其中, 相对高程是与蟹洞密度的相关性排序最高的生境因子.
- 滨海湿地 /
- 蟹类 /
- 蟹洞 /
- 分布特征 /
- 影响因子
Abstract: This study investigated the distribution characteristics and influencing factors of crabs and crab burrows in Fengxian coastal wetland to reveal the main influencing factors in crabs’ and crab burrows’ distribution and deepen the understanding of crabs’ living habits. The results showed that: ① The abundance of Helice tientsinesis in the high-marsh Phragmites australis habitat is higher than that in the middle-marsh Phragmites australis -Spartina alterniflora mixed habitat and low-marsh Spartina alterniflora habitat (p < 0.01). However, there is no significant difference in the abundance of Sesarma plicate between habitats (p > 0.05). ② The density of crab burrows in the high-marsh Phragmites habitat is significantly higher than that in the middle-marsh Phragmites-Spartina mixed habitat and the low-marsh Spartina habitat (p < 0.05), while the average opening diameter of crab burrows is significantly lower than that in the middle-marsh Phragmites -Spartina mixed habitat and the low-marsh Spartina habitat (p < 0.05). ③ There is no significant linear relationship between crab abundance and the density of crab burrows(p > 0.05), while there is a significant positive correlation between the density of crab burrows and the abundance of Helice tientsinesis (p < 0.01). ④ Crab abundance is negatively correlated with plant underground biomass (p < 0.01). ⑤ There is a negative correlation between the density of crab burrows and vegetation coverage and plant density. The relative elevation, water content, conductivity, total organic carbon content, and total nitrogen content are positively correlated with the density of crab burrows. Among these factors, the relative elevation is the habitat factor with the highest correlation with the density of crab burrows.
- coastal wetlands /
- crabs /
- crab burrows /
- distribution characteristics /
- impact factors

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图 1 研究区域示意图

Fig. 1 The location of the study area

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图 2 蟹类多度分布特征(平均值 ± 标准误, n=3)

注: 相同字母表示组间差异不显著(p > 0.05), 不同字母表示组间差异显著(p < 0.05), 下同.

Fig. 2 Distribution characteristics of crab abundance (mean ± SE, n=3)

下载: 全尺寸图片幻灯片

图 3 蟹洞密度分布特征

注: 平均值±标准误, n=3.

Fig. 3 Density distribution characteristics of crab burrows

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图 4 蟹洞开口直径分布特征

注: 平均值±标准误, n_互 = 21，n_混 = 50，n_芦 = 160.

Fig. 4 Distribution characteristics of opening diameter of crab burrows

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图 5 蟹洞密度与蟹洞开口直径的相关性

注: n=9, r² = 0.293, p < 0.05, y = –0.101x + 16.11.

Fig. 5 Relationship between crab burrow density and the opening diameter of crab burrows

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图 6 不同生境内植被特征(平均值 ± 标准误, n=3)

Fig. 6 Vegetation characteristics in different habitats (mean ± SE, n=3)

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图 7 不同生境内沉积物特征(平均值 ± 标准误, n=3)

Fig. 7 Sediment characteristics in different habitats (mean ± SE, n=3)

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图 8 蟹类多度及蟹洞密度的RDA排序结果

Fig. 8 RDA results of crab abundance and crab burrow density

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表 1 不同蟹类多度与蟹洞密度、蟹洞开口直径的相关性分析结果(n=18)

Tab. 1 Correlation analysis results of crab abundance, burrow distribution, and burrow opening diameter for different crab species（n=18）

多度	蟹洞密度	蟹洞开口直径
天津厚蟹多度	0.686**	–0.286
褶痕相手蟹多度	–0.190	0.139
总多度	0.203	0.000
注: **代表p < 0.01.

下载: 导出CSV

表 2 蟹类及其洞穴分布与生境因子的相关性分析结果

Tab. 2 Correlation analysis results of crab abundance and burrow distribution with habitat factors

	蟹洞密度	蟹类多度	植被盖度	植被密度	地上生物量	地下生物量	相对高程	温度	含水率	电导率	盐度	TOC	TN	TP
蟹洞密度	1
蟹类多度	0.203	1
植被盖度	–0.910**	–0.19	1
植被密度	–0.923**	0.029	0.835**	1
地上生物量	–0.440	0.012	0.179	0.450	1
地下生物量	–0.336	–0.836**	0.211	0.220	0.207	1
相对高程	0.921**	0.446	–0.915**	–0.791*	–0.336	–0.433	1
温度	0.477	0.589	–0.547	–0.183	–0.065	–0.398	0.630	1
含水率	0.747*	0.539	–0.739*	–0.676*	–0.514	–0.548	0.884**	0.59	1
电导率	0.719*	0.02	–0.528	–0.703*	–0.457	–0.154	0.686*	0.107	0.494	1
盐度	–0.488	0.125	0.474	0.538	0.634	–0.024	–0.426	–0.39	–0.615	–0.144	1
TOC	0.869**	0.267	–0.837**	–0.670*	–0.279	–0.368	0.802**	0.651	0.565	0.501	–0.329	1
TN	0.685*	0.356	–0.640	–0.660	–0.660	–0.466	0.704*	0.527	0.897**	0.269	–0.836**	0.527	1
TP	0.590	–0.102	–0.558	–0.466	–0.308	0.068	0.408	0.566	0.296	0.062	–0.674*	0.667*	0.536	1
注: ** 代表 p < 0.01; * 代表 p < 0.05.

下载: 导出CSV

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