生物多样性 ›› 2018, Vol. 26 ›› Issue (1): 1-13. DOI: 10.17520/biods.2017263
• 研究报告: 动物多样性 • 下一篇
收稿日期:
2017-10-11
接受日期:
2018-01-26
出版日期:
2018-01-20
发布日期:
2018-05-05
作者简介:
# 共同第一作者
基金资助:
Dong Zhang1, Fengying Wan2, Ling Chu1, Yunzhi Yan1()
Received:
2017-10-11
Accepted:
2018-01-26
Online:
2018-01-20
Published:
2018-05-05
About author:
# Co-first authors
摘要:
确定溪流鱼类多样性的时空分布格局可为鱼类多样性保护与管理提供科学基础。尽管溪流鱼类分类群多样性的纵向梯度格局已有大量报道, 但以鱼类生物学特征为基础的功能多样性研究较少。本文基于2009-2010年4个季度对青弋江1-5级溪流共15个样点的调查数据, 利用形态特征数据和食性构建了鱼类复合功能群, 研究了不同级别溪流间鱼类分类群和功能群组成及多样性的异同, 着重探讨了鱼类分类群和功能群的α和β多样性沿溪流纵向梯度的变化规律。采集到的56种鱼类可分为4个营养功能群和5个运动功能群, 共计14个“营养-运动”复合功能群。双因素交互相似性分析结果显示, 鱼类分类群和功能群组成都随河流级别显著变化, 但季节动态不显著; 双因素方差分析后发现, 鱼类分类群和功能群α、β多样性都随河流级别显著变化, 但受季节影响不显著。经回归分析, 分类群和功能群α多样性与河流级别大小呈显著的线性正相关, 但最大分类群α多样性出现于4级河流, 最大功能群α多样性在4级和5级河流间一致; 分类群和功能群β多样性与河流级别大小呈显著的二项式关系, 呈U型分布。分类群β多样性的空间变化主要取决于物种周转, 而功能群β多样性主要由嵌套所驱动。本研究表明, 沿着“上游-下游”的纵向梯度, 河流鱼类的α和β多样性的空间变化规律不同, 分类群和功能群α多样性的空间格局基本一致, 但分类群(主要是物种周转)和功能群β多样性(主要是功能嵌套)的空间变化过程的驱动机制不同。
张东, 宛凤英, 储玲, 严云志 (2018) 青弋江鱼类分类群和功能群的α和β多样性纵向梯度格局. 生物多样性, 26, 1-13. DOI: 10.17520/biods.2017263.
Dong Zhang, Fengying Wan, Ling Chu, Yunzhi Yan (2018) Longitudinal patterns in α and β diversity of the taxonomic and functional organizations of stream fish assemblages in the Qingyi River. Biodiversity Science, 26, 1-13. DOI: 10.17520/biods.2017263.
物种 Species | 营养功 能群 Trophic groups | 运动功能群 Locomotion groups | 复合功能群 Combined groups | 出现频率 Frequency of occurrence (%) | ||||
---|---|---|---|---|---|---|---|---|
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | ||||
鲤形目 Cyprinformes | ||||||||
鳅科 Cobitidae | ||||||||
中华花鳅 Cobitis sinensis | TG4 | LG5 | CG12 | 33.3 | 41.7 | 25 | 16.7 | 8.3 |
稀有花鳅 Cobitis rarus | TG4 | LG5 | CG12 | 66.7 | 75 | 58.3 | 33.3 | |
桂林薄鳅 Leptobotia guilinensis | TG4 | LG4 | CG14 | 25 | 16.7 | 75 | 33.3 | |
泥鳅 Misgurnus anguillicaudatus | TG4 | LG5 | CG12 | 50 | 50 | 33.3 | 8.3 | 8.3 |
爬鳅科 Balitoridae | ||||||||
原缨口鳅 Vanmanenia stenosoma | TG4 | LG5 | CG12 | 50 | 75 | 41.7 | 16.7 | 25 |
鲤科 Cyprindae | ||||||||
钝吻棒花鱼 Abbottina obtusirostris | TG2 | LG5 | CG6 | 16.7 | ||||
棒花鱼 Abbottina rivularis | TG2 | LG3 | CG7 | 8.3 | 33.3 | 58.3 | 50 | 83.3 |
短须鱊 Acheilognathus barbatulus | TG3 | LG2 | CG9 | 8.3 | 16.7 | 66.7 | 41.7 | 58.3 |
兴凯鱊 Acheilognathus chankaensis | TG3 | LG2 | CG9 | 8.3 | 47.1 | 41.7 | 41.7 | |
光唇鱼 Acrossocheilus fasciatus | TG4 | LG5 | CG12 | 91.7 | 83.3 | 58.3 | 100 | 25 |
似? Belligobio nummifer | TG4 | LG3 | CG11 | 41.7 | 33.3 | 16.7 | 33.3 | 33.3 |
鲤 Cyprinus carpio | TG4 | LG2 | CG13 | 16.7 | ||||
鲫 Carassius auratus | TG4 | LG2 | CG13 | 8.3 | 50 | 50 | 91.7 | |
红鳍原鲌 Cultrichthys erythropterus | TG1 | LG3 | CG2 | 8.3 | ||||
翘嘴鲌 Culter alburnus | TG1 | LG3 | CG2 | 8.3 | 41.7 | |||
圆吻鲴 Distoechodon tumirostris | TG4 | LG3 | CG11 | 8.3 | ||||
鳡 Elopichthys bambusa | TG1 | LG4 | CG3 | 8.3 | 8.3 | |||
颌须鮈 Gnathopogon taeniellus | TG4 | LG3 | CG11 | 8.3 | 33.3 | 41.7 | ||
董氏鳅鮀 Gobiobotia tungi | TG2 | LG3 | CG7 | 16.7 | ||||
唇? Hemibarbus labeo | TG4 | LG3 | CG11 | 25 | ||||
花? Hemibarbus maculatus | TG2 | LG3 | CG7 | 8.3 | 33.3 | 16.7 | ||
? Hemiculter leucisculus | TG4 | LG3 | CG11 | 75 | ||||
油? Hemiculter bleekeri | TG4 | LG3 | CG11 | 6.7 | 16.7 | 33.3 | 58.3 | |
青鱼 Mylopharyngodon piceus | TG2 | LG3 | CG7 | 41.7 | ||||
台湾白甲鱼 Onychostoma barbatulum | TG4 | LG3 | CG11 | 16.7 | ||||
马口鱼 Opsarrichthys bidens | TG2 | LG3 | CG7 | 58.3 | 33.3 | 33.3 | 66.7 | |
鳊 Parabramis pekinensis | TG3 | LG2 | CG9 | 8.3 | 25 | |||
尖头鱥 Phoxinus oxycephalus | TG4 | LG3 | CG11 | 33.3 | ||||
麦穗鱼 Pseudorasbora parva | TG4 | LG3 | CG11 | 8.3 | 25 | 33.3 | 58.3 | |
似鳊 Pseudobrama simoni | TG4 | LG3 | CG11 | 25 | 50 | |||
高体鳑鲏 Rhodeus ocellatus | TG3 | LG2 | CG9 | 16.7 | 25 | 100 | 75 | 58.3 |
黑鳍鳈 Sarcocheilichthys nigripinnis | TG4 | LG3 | CG11 | 33.3 | 75 | |||
小鳈 Sarcocheilichthys parvus | TG4 | LG3 | CG11 | 8.3 | 66.7 | 66.7 | ||
华鳈 Sarcocheilichthys sinensis | TG4 | LG3 | CG11 | 8.3 | ||||
蛇鮈 Saurogobio dabryi | TG2 | LG4 | CG8 | 16.7 | 8.3 | 8.3 | ||
光倒刺鲃 Spinibarbus hollandi | TG4 | LG3 | CG11 | 16.7 |
表1 青弋江流域鱼类的物种组成、营养、运动和复合功能群类型及其在1-5级河流中的出现频率
Table 1 Species composition and the frequency of occurrence of fishes collected in the 1st-order-5th-order streams of the Qingyi River basin
物种 Species | 营养功 能群 Trophic groups | 运动功能群 Locomotion groups | 复合功能群 Combined groups | 出现频率 Frequency of occurrence (%) | ||||
---|---|---|---|---|---|---|---|---|
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | ||||
鲤形目 Cyprinformes | ||||||||
鳅科 Cobitidae | ||||||||
中华花鳅 Cobitis sinensis | TG4 | LG5 | CG12 | 33.3 | 41.7 | 25 | 16.7 | 8.3 |
稀有花鳅 Cobitis rarus | TG4 | LG5 | CG12 | 66.7 | 75 | 58.3 | 33.3 | |
桂林薄鳅 Leptobotia guilinensis | TG4 | LG4 | CG14 | 25 | 16.7 | 75 | 33.3 | |
泥鳅 Misgurnus anguillicaudatus | TG4 | LG5 | CG12 | 50 | 50 | 33.3 | 8.3 | 8.3 |
爬鳅科 Balitoridae | ||||||||
原缨口鳅 Vanmanenia stenosoma | TG4 | LG5 | CG12 | 50 | 75 | 41.7 | 16.7 | 25 |
鲤科 Cyprindae | ||||||||
钝吻棒花鱼 Abbottina obtusirostris | TG2 | LG5 | CG6 | 16.7 | ||||
棒花鱼 Abbottina rivularis | TG2 | LG3 | CG7 | 8.3 | 33.3 | 58.3 | 50 | 83.3 |
短须鱊 Acheilognathus barbatulus | TG3 | LG2 | CG9 | 8.3 | 16.7 | 66.7 | 41.7 | 58.3 |
兴凯鱊 Acheilognathus chankaensis | TG3 | LG2 | CG9 | 8.3 | 47.1 | 41.7 | 41.7 | |
光唇鱼 Acrossocheilus fasciatus | TG4 | LG5 | CG12 | 91.7 | 83.3 | 58.3 | 100 | 25 |
似? Belligobio nummifer | TG4 | LG3 | CG11 | 41.7 | 33.3 | 16.7 | 33.3 | 33.3 |
鲤 Cyprinus carpio | TG4 | LG2 | CG13 | 16.7 | ||||
鲫 Carassius auratus | TG4 | LG2 | CG13 | 8.3 | 50 | 50 | 91.7 | |
红鳍原鲌 Cultrichthys erythropterus | TG1 | LG3 | CG2 | 8.3 | ||||
翘嘴鲌 Culter alburnus | TG1 | LG3 | CG2 | 8.3 | 41.7 | |||
圆吻鲴 Distoechodon tumirostris | TG4 | LG3 | CG11 | 8.3 | ||||
鳡 Elopichthys bambusa | TG1 | LG4 | CG3 | 8.3 | 8.3 | |||
颌须鮈 Gnathopogon taeniellus | TG4 | LG3 | CG11 | 8.3 | 33.3 | 41.7 | ||
董氏鳅鮀 Gobiobotia tungi | TG2 | LG3 | CG7 | 16.7 | ||||
唇? Hemibarbus labeo | TG4 | LG3 | CG11 | 25 | ||||
花? Hemibarbus maculatus | TG2 | LG3 | CG7 | 8.3 | 33.3 | 16.7 | ||
? Hemiculter leucisculus | TG4 | LG3 | CG11 | 75 | ||||
油? Hemiculter bleekeri | TG4 | LG3 | CG11 | 6.7 | 16.7 | 33.3 | 58.3 | |
青鱼 Mylopharyngodon piceus | TG2 | LG3 | CG7 | 41.7 | ||||
台湾白甲鱼 Onychostoma barbatulum | TG4 | LG3 | CG11 | 16.7 | ||||
马口鱼 Opsarrichthys bidens | TG2 | LG3 | CG7 | 58.3 | 33.3 | 33.3 | 66.7 | |
鳊 Parabramis pekinensis | TG3 | LG2 | CG9 | 8.3 | 25 | |||
尖头鱥 Phoxinus oxycephalus | TG4 | LG3 | CG11 | 33.3 | ||||
麦穗鱼 Pseudorasbora parva | TG4 | LG3 | CG11 | 8.3 | 25 | 33.3 | 58.3 | |
似鳊 Pseudobrama simoni | TG4 | LG3 | CG11 | 25 | 50 | |||
高体鳑鲏 Rhodeus ocellatus | TG3 | LG2 | CG9 | 16.7 | 25 | 100 | 75 | 58.3 |
黑鳍鳈 Sarcocheilichthys nigripinnis | TG4 | LG3 | CG11 | 33.3 | 75 | |||
小鳈 Sarcocheilichthys parvus | TG4 | LG3 | CG11 | 8.3 | 66.7 | 66.7 | ||
华鳈 Sarcocheilichthys sinensis | TG4 | LG3 | CG11 | 8.3 | ||||
蛇鮈 Saurogobio dabryi | TG2 | LG4 | CG8 | 16.7 | 8.3 | 8.3 | ||
光倒刺鲃 Spinibarbus hollandi | TG4 | LG3 | CG11 | 16.7 |
物种 Species | 营养功 能群 Trophic groups | 运动功 能群 Locomotion groups | 复合功能群 Combined groups | 出现频率 Frequency of occurrence (%) | ||||
---|---|---|---|---|---|---|---|---|
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | ||||
银鮈 Squalidus argentatus | TG4 | LG3 | CG11 | 6.7 | 33.3 | 33.3 | 33.3 | |
宽鳍鱲 Zacco platypus | TG4 | LG3 | CG11 | 100 | 100 | 100 | 100 | 58.2 |
鲇形目 Siuriformes | ||||||||
鲿科 Bagridae | ||||||||
大鳍鳠 Mystus macropterus | TG2 | LG5 | CG6 | 8.3 | ||||
黄颡鱼 Pelteobagrus fulvidraco | TG1 | LG3 | CG2 | 33.3 | 100 | |||
切尾拟鲿 Pseudobagrus truncatus | TG2 | LG5 | CG6 | 16.7 | 16.7 | 33.3 | 66.7 | |
鲇科 Siluridae | ||||||||
鲇 Silurus asotus | TG1 | LG5 | CG4 | 8.3 | 33.3 | 41.7 | ||
鮡科 Sisoridae | ||||||||
福建纹胸鮡 Glyptothorax fukiensis | TG2 | LG5 | CG6 | 8.3 | ||||
钝头鮠科 Amblycipitidae | ||||||||
司氏? Liobagrus styani | TG2 | LG4 | CG8 | 16.7 | 50 | 25 | 8.3 | |
颌针鱼目 Beloniformes | ||||||||
鱵科 Hemiramphidae | ||||||||
间下鱵 Hyporhamphus intermedius | TG4 | LG1 | CG10 | 25 | ||||
合鳃目 Synbranchiformes | ||||||||
合鳃科 Synbranchidae | ||||||||
黄鳝 Monopterus albus | TG1 | LG1 | CG1 | 25 | 50 | 16.7 | 33.3 | |
刺鳅科 Mastacembelidae | ||||||||
中华刺鳅 Sinobdella sinensis | TG2 | LG1 | CG5 | 33.3 | 25 | |||
鲈形目 Perciformes | ||||||||
鳜科 Sinipercidae | ||||||||
长身鳜 Slender mandarinfish | TG1 | LG5 | CG4 | 16.7 | 33.3 | |||
鳜 Siniperca chuatsi | TG1 | LG3 | CG2 | 8.3 | 50 | 75 | ||
暗鳜 Siniperca obscura | TG1 | LG3 | CG2 | 8.3 | 50 | |||
沙塘鳢科 Odontobutidae | ||||||||
小黄黝鱼 Hypseleotris swinhonis | TG2 | LG5 | CG6 | 16.7 | 8.3 | |||
河川沙塘鳢 Odontobutis potamophila | TG1 | LG5 | CG4 | 16.7 | 25 | 75 | 91.7 | |
虾虎鱼科 Gobiidae | ||||||||
吻虾虎鱼一种 Rhinogobius sp. | TG4 | LG5 | CG12 | 66.7 | 100 | 91.7 | 75 | 25 |
鳢科 Channidae | ||||||||
月鳢 Channa asiatica | TG1 | LG5 | CG4 | 8.3 | 8.3 | |||
乌鳢 Ophiocephalus argus | TG1 | LG5 | CG4 | 25 | 91.7 | |||
丝足鲈科 Osphronemidae | ||||||||
圆尾斗鱼 Macropodus ocellatus | TG4 | LG2 | CG9 | 16.7 |
表1 (续)
Table 1 (continued)
物种 Species | 营养功 能群 Trophic groups | 运动功 能群 Locomotion groups | 复合功能群 Combined groups | 出现频率 Frequency of occurrence (%) | ||||
---|---|---|---|---|---|---|---|---|
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | ||||
银鮈 Squalidus argentatus | TG4 | LG3 | CG11 | 6.7 | 33.3 | 33.3 | 33.3 | |
宽鳍鱲 Zacco platypus | TG4 | LG3 | CG11 | 100 | 100 | 100 | 100 | 58.2 |
鲇形目 Siuriformes | ||||||||
鲿科 Bagridae | ||||||||
大鳍鳠 Mystus macropterus | TG2 | LG5 | CG6 | 8.3 | ||||
黄颡鱼 Pelteobagrus fulvidraco | TG1 | LG3 | CG2 | 33.3 | 100 | |||
切尾拟鲿 Pseudobagrus truncatus | TG2 | LG5 | CG6 | 16.7 | 16.7 | 33.3 | 66.7 | |
鲇科 Siluridae | ||||||||
鲇 Silurus asotus | TG1 | LG5 | CG4 | 8.3 | 33.3 | 41.7 | ||
鮡科 Sisoridae | ||||||||
福建纹胸鮡 Glyptothorax fukiensis | TG2 | LG5 | CG6 | 8.3 | ||||
钝头鮠科 Amblycipitidae | ||||||||
司氏? Liobagrus styani | TG2 | LG4 | CG8 | 16.7 | 50 | 25 | 8.3 | |
颌针鱼目 Beloniformes | ||||||||
鱵科 Hemiramphidae | ||||||||
间下鱵 Hyporhamphus intermedius | TG4 | LG1 | CG10 | 25 | ||||
合鳃目 Synbranchiformes | ||||||||
合鳃科 Synbranchidae | ||||||||
黄鳝 Monopterus albus | TG1 | LG1 | CG1 | 25 | 50 | 16.7 | 33.3 | |
刺鳅科 Mastacembelidae | ||||||||
中华刺鳅 Sinobdella sinensis | TG2 | LG1 | CG5 | 33.3 | 25 | |||
鲈形目 Perciformes | ||||||||
鳜科 Sinipercidae | ||||||||
长身鳜 Slender mandarinfish | TG1 | LG5 | CG4 | 16.7 | 33.3 | |||
鳜 Siniperca chuatsi | TG1 | LG3 | CG2 | 8.3 | 50 | 75 | ||
暗鳜 Siniperca obscura | TG1 | LG3 | CG2 | 8.3 | 50 | |||
沙塘鳢科 Odontobutidae | ||||||||
小黄黝鱼 Hypseleotris swinhonis | TG2 | LG5 | CG6 | 16.7 | 8.3 | |||
河川沙塘鳢 Odontobutis potamophila | TG1 | LG5 | CG4 | 16.7 | 25 | 75 | 91.7 | |
虾虎鱼科 Gobiidae | ||||||||
吻虾虎鱼一种 Rhinogobius sp. | TG4 | LG5 | CG12 | 66.7 | 100 | 91.7 | 75 | 25 |
鳢科 Channidae | ||||||||
月鳢 Channa asiatica | TG1 | LG5 | CG4 | 8.3 | 8.3 | |||
乌鳢 Ophiocephalus argus | TG1 | LG5 | CG4 | 25 | 91.7 | |||
丝足鲈科 Osphronemidae | ||||||||
圆尾斗鱼 Macropodus ocellatus | TG4 | LG2 | CG9 | 16.7 |
图1 1-5级河流间鱼类的分类群(a)和功能群(b)结构NMS双标图
Fig. 1 Non-metric multidimensional scaling (NMS) analysis plots of taxonomic (a) and functional (b) organizations of stream fish in Qingyi River
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AA | AS | Con | AA | AS | Con | AA | AS | Con | AA | AS | Con | AA | AS | Con | |
分类群 Taxonomic organizations | |||||||||||||||
光唇鱼 Acrossocheilus fasciatus | 0.92 | 13.51 | 24.01 | 0.83 | 7.86 | 13.88 | |||||||||
吻虾虎鱼一种 Rhinogobius sp. | 1.00 | 11.98 | 21.16 | 0.92 | 8.13 | 15.13 | 0.75 | 5.23 | 10.73 | ||||||
高体鳑鲏 Rhodeus ocellatus | 1.00 | 9.78 | 18.20 | 1.00 | 7.94 | 16.30 | |||||||||
桂林薄鳅 Leptobotia guilinensis | 0.75 | 4.57 | 9.38 | ||||||||||||
黄颡鱼 Pelteobagrus fulvidraco | 1.00 | 5.64 | 9.65 | ||||||||||||
乌鳢 Ophiocephalus argus | 0.92 | 4.75 | 8.13 | ||||||||||||
鲫 Carassius auratus | 0.92 | 4.62 | 7.92 | ||||||||||||
河川沙塘鳢 Odontobutis potamophila | 0.92 | 4.60 | 7.87 | ||||||||||||
棒花鱼 Abbottina rivularis | 0.83 | 3.92 | 6.70 | ||||||||||||
? Hemiculter leucisculus | 0.75 | 2.98 | 5.11 | ||||||||||||
黑鳍鳈 Sarcocheilichthys nigripinnis | 0.75 | 2.98 | 5.10 | ||||||||||||
功能群 Functional organizations | |||||||||||||||
CG11 Combined groups 11 | 1.00 | 38.84 | 48.60 | 1.00 | 22.42 | 34.38 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | 1.00 | 12.24 | 14.55 |
CG12 Combined groups 12 | 1.00 | 22.42 | 34.38 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | ||||||
CG9 Combined groups 9 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | 0.92 | 9.84 | 11.93 | ||||||
CG2 Combined groups 2 | 1.00 | 12.24 | 14.55 | ||||||||||||
CG4 Combined groups 4 | 1.00 | 12.24 | 14.55 |
表2 解释分类群和功能群结构空间变化的关键物种和功能群
Table 2 Key species and functional groups explaining the spatial variations in taxonomic and functional organizations of stream fish assemblages
1级河流 1st-order streams | 2级河流 2nd-order streams | 3级河流 3rd-order streams | 4级河流 4th-order streams | 5级河流 5th-order streams | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AA | AS | Con | AA | AS | Con | AA | AS | Con | AA | AS | Con | AA | AS | Con | |
分类群 Taxonomic organizations | |||||||||||||||
光唇鱼 Acrossocheilus fasciatus | 0.92 | 13.51 | 24.01 | 0.83 | 7.86 | 13.88 | |||||||||
吻虾虎鱼一种 Rhinogobius sp. | 1.00 | 11.98 | 21.16 | 0.92 | 8.13 | 15.13 | 0.75 | 5.23 | 10.73 | ||||||
高体鳑鲏 Rhodeus ocellatus | 1.00 | 9.78 | 18.20 | 1.00 | 7.94 | 16.30 | |||||||||
桂林薄鳅 Leptobotia guilinensis | 0.75 | 4.57 | 9.38 | ||||||||||||
黄颡鱼 Pelteobagrus fulvidraco | 1.00 | 5.64 | 9.65 | ||||||||||||
乌鳢 Ophiocephalus argus | 0.92 | 4.75 | 8.13 | ||||||||||||
鲫 Carassius auratus | 0.92 | 4.62 | 7.92 | ||||||||||||
河川沙塘鳢 Odontobutis potamophila | 0.92 | 4.60 | 7.87 | ||||||||||||
棒花鱼 Abbottina rivularis | 0.83 | 3.92 | 6.70 | ||||||||||||
? Hemiculter leucisculus | 0.75 | 2.98 | 5.11 | ||||||||||||
黑鳍鳈 Sarcocheilichthys nigripinnis | 0.75 | 2.98 | 5.10 | ||||||||||||
功能群 Functional organizations | |||||||||||||||
CG11 Combined groups 11 | 1.00 | 38.84 | 48.60 | 1.00 | 22.42 | 34.38 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | 1.00 | 12.24 | 14.55 |
CG12 Combined groups 12 | 1.00 | 22.42 | 34.38 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | ||||||
CG9 Combined groups 9 | 1.00 | 18.02 | 25.4 | 1.00 | 15.26 | 21.63 | 0.92 | 9.84 | 11.93 | ||||||
CG2 Combined groups 2 | 1.00 | 12.24 | 14.55 | ||||||||||||
CG4 Combined groups 4 | 1.00 | 12.24 | 14.55 |
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