天津厚蟹与褶痕相手蟹对杭州湾北岸典型盐沼植物的摄食偏好

骆蓓菁; 李翔; 罗鼎晖; 徐平; 陈雪初; 由文辉

doi:10.3969/j.issn.1000-5641.2019.06.012

天津厚蟹与褶痕相手蟹对杭州湾北岸典型盐沼植物的摄食偏好

doi: 10.3969/j.issn.1000-5641.2019.06.012

骆蓓菁^1,2,,
李翔^1,2,
罗鼎晖^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:

国家重点研发项目 2017YFC0506002

详细信息

作者简介:
骆蓓菁, 女, 硕士研究生, 研究方向为湿地生态学.E-mail:miss_lbj@163.com

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: 162
- HTML全文浏览量: 120
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- 被引次数: 0
出版历程
- 收稿日期: 2018-11-02
- 刊出日期: 2019-11-25

Preference of Helice tientsinensis and Sesarma plicata for typical salt marsh plants in the north of Hangzhou Bay

LUO Bei-jing^{1,2
,},
LI Xiang^1,2,
LUO Ding-hui^1,2,
XU Ping^1,2,
CHEN Xue-chu^1,2,
YOU Wen-hui^{1,2
, ,}

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

摘要

摘要: 在奉贤潮滩样地调查的基础上，通过开展室内喂食实验分析了天津厚蟹（Helice tientsinensis）与褶痕相手蟹（Sesarma plicata）两种优势蟹类对典型盐沼植物互花米草（Spartina alterniflora）和芦苇（Phragmites australis）的摄食偏好性及相关影响因子，为进一步揭示蟹类摄食作用下互花米草和芦苇竞争生长的控制机制提供参考.结果显示：两种蟹对不同植株部位的偏好性均为叶片>细根>茎秆；但对不同植物的偏好有所差异，天津厚蟹偏好摄食芦苇叶片，而褶痕相手蟹更偏好互花米草叶片；对茎秆和细根的摄食量均是互花米草>芦苇.蟹类的摄食偏好除了受蟹重和种类的影响，还与植物中的粗蛋白质含量成正相关.
- 天津厚蟹 /
- 褶痕相手蟹 /
- 互花米草 /
- 芦苇 /
- 摄食偏好
Abstract: Based on an investigation of Fengxian tidal flats, this study analyzed the feeding preference and influencing factors of two dominant crabs-Helice tientsinensis and Sesarma plicata-on typical salt marsh plants Spartina alterniflora and Phragmites australis via an indoor feeding experiment. The study provides a reference to further understanding of the control mechanisms for competition between Spartina and Phragmites. The results showed that the preference of the two crabs for different plant organs was:Leaves > Roots > Stalk. However, the preference varies across different plants; namely, Helice tientsinensis prefers Phragmites leaves, while Sesarma plicata prefers Spartina leaves. The consumption of stalk and roots of Spartina is higher than Phragmites. In addition to crab weight and species, the feeding preference is also positively correlated with the content of crude protein in plants.
- Helice tientsinensis /
- Sesarma plicata /
- Spartina /
- Phragmites /
- feeding preference

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图 1 研究区域示意图

Fig. 1 Map of study area

下载: 全尺寸图片幻灯片

图 2 不同生境类型蟹类洞穴分布

注: S-L互花米草低潮带, S-M互花米草中潮带, S-H互花米草高潮带, MX互花米草芦苇交错带P-M芦苇中潮带, P-H芦苇高潮带, Mud裸地; 小写字母表示不同生境蟹洞的差异性; 图 3同

Fig. 2 Burrow densities in different habitats

下载: 全尺寸图片幻灯片

图 3 不同生境类型蟹类多度

Fig. 3 Abundance of crabs in different habitats

下载: 全尺寸图片幻灯片

图 4 天津厚蟹对不同食物类型的摄食量与摄食率

注: 小写字母表示互花米草不同食物类型摄食量的差异性, 大写字母表示芦苇不同食物类型摄食量的差异性, *表示同种食物类型不同植物间摄食量的差异

Fig. 4 Plant consumption volume and consumption rate by Helice tientsinensis

下载: 全尺寸图片幻灯片

图 5 褶痕相手蟹对不同食物类型的摄食量与摄食率

Fig. 5 Plant consumption volume and consumption rate by Sesarma plicata

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图 6 室内喂食实验RDA排序

Fig. 6 RDA for feeding experiment

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表 1 不同食物类型营养成分比较

Tab. 1 Nutritional composition of different food type

食物类型	粗蛋白质	中性洗涤纤维(NDF)	酸性洗涤纤维(ADF)
互花米草叶片	8.35± 0.03a	58.29± 0.24a	28.87± 0.09a
互花米草茎秆	5.30± 0.03b	68.57± 3.11a	31.45± 0.21b
互花米草细根	3.30± 0.08c	67.00± 0.68a	35.97± 0.43c
芦苇叶片	15.27± 0.03d	64.49± 0.30a	32.82± 0.31d
芦苇茎秆	4.24± 0.05e	70.94± 0.34b	47.90± 0.49e
芦苇细根	5.33± 0.05b	65.91± 0.09a	38.43± 0.13f
注:表中同一列数据中的字母表示不同食物类型同种营养成分的差异性

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