生物多样性 ›› 2017, Vol. 25 ›› Issue (1): 53-61. DOI: 10.17520/biods.2016259
所属专题: 青藏高原生物多样性与生态安全
冯晨光1,2,3, 童超1,2,3, 张仁意1,2, 李国刚1,2, 王贺崐元1,2,3, 汤永涛1,2,3, 张存芳1,2,*(), 赵凯1,2,*(
)
收稿日期:
2016-09-12
接受日期:
2016-12-30
出版日期:
2017-01-20
发布日期:
2017-02-08
通讯作者:
张存芳,赵凯
基金资助:
Chenguang Feng1,2,3, Chao Tong1,2,3, Renyi Zhang1,2, Guogang Li1,2, Kunyuan Wanghe1,2,3, Yongtao Tang1,2,3, Cunfang Zhang1,2,*(), Kai Zhao1,2,*(
)
Received:
2016-09-12
Accepted:
2016-12-30
Online:
2017-01-20
Published:
2017-02-08
Contact:
Zhang Cunfang,Zhao Kai
摘要:
为了了解青藏高原东北部边缘地区高原鳅属(Triplophysa)鱼类的多样性和分布格局, 本文基于2012-2015年的野外调查数据, 对该地区高原鳅属鱼类的分布情况进行了调查。结果发现: 与历史记录相比, 部分物种的分布区已经萎缩或破碎化。物种在整个区域的分布很不均匀, 其中洮河、大通河和黑河的中上游是高原鳅分布较集中的地区; 同时这3条河也有着较高的多样性水平。海拔梯度上, 物种丰富度呈现随海拔上升先增后减的单峰分布模式, 在2,200-2,400 m海拔区间最高; 且峰值点出现在两个物种丰富的群落的过渡区, 很好地印证了Lomolino对物种密度海拔分布的预测。多样性指数的海拔回归分析获得与物种丰富度的海拔分布相一致的结果。结合已有报道, 我们认为这种中间海拔最大的单峰分布模式可能是青藏高原及其周边地区物种多样性分布的普遍规律。因而, 中海拔地区需要优先保护。
冯晨光, 童超, 张仁意, 李国刚, 王贺崐元, 汤永涛, 张存芳, 赵凯 (2017) 青藏高原东北部边缘高原鳅属鱼类的 多样性与分布格局. 生物多样性, 25, 53-61. DOI: 10.17520/biods.2016259.
Chenguang Feng, Chao Tong, Renyi Zhang, Guogang Li, Kunyuan Wanghe, Yongtao Tang, Cunfang Zhang, Kai Zhao (2017) Biodiversity and distribution patterns of Triplophysa species in the northeastern margin of the Tibetan Plateau. Biodiversity Science, 25, 53-61. DOI: 10.17520/biods.2016259.
图1 调查区域水系图示。右图灰色线中, 1: 大马营河; 2: 甘子河; 3: 洮河; 4: 大夏河; 5: 庄浪河; 6: 大通河; 7: 湟水河; 8: 贵德; 9: 玛曲; 10: 白龙江; 11: 嘉陵江上游。
Fig. 1 Drainage systems of investigation area. Gray lines in right part: 1, Damaying River; 2, Ganzi River; 3, Taohe River; 4, Daxia River; 5, Zhuanglang River; 6, Datong River; 7, Huangshui River; 8, Guide; 9, Maqu; 10, Bailong River; 11, Upper reaches of Jialing River.
水系 Basin | 水系单元 Basin unit | 物种丰富度 Species richness | Shannon-Wiener指数 Shannon-Wiener index | Pielou指数 Pielou index | Simpson指数 Simpson index |
---|---|---|---|---|---|
河西 Hexi rivers | 疏勒河干流 Shule River | 4 | 0.690 ± 0.114 | 0.727 ± 0.074 | 0.553 ± 0.047 |
疏勒河附属水体 Tributaries of Shule River | 2 | 0.560 ± 0.217 | 0.810 ± 0.312 | 0.556 ± 0.250 | |
黑河干流 Heihe River | 6 | 1.136 ± 0.213 | 0.842 ± 0.078 | 0.350 ± 0.064 | |
黑河附属水体—大马营河 Damaying-tributary of Heihe River | 4 | 1.100 | 0.790 | 0.346 | |
黑河附属水体—其他 Other tributaries of Heihe River | 2 | 0.320 ± 0.157 | 0.463 ± 0.229 | 0.806 ± 0.117 | |
石羊河干流 Shiyang River | 4 | 1.035 ± 0.093 | 0.893 ± 0.121 | 0.364 ± 0.035 | |
石羊河附属水体 Tributaries of Shiyang River | 2 | 0.640 ± 0.044 | 0.923 ± 0.064 | 0.545 ± 0.040 | |
小计 Subtotal | 7 | ||||
青海湖 Lake Qinghai | 甘子河 Ganzi River | 2 | 0.620 ± 0.028 | 0.890 ± 0.042 | 0.539 ± 0.054 |
入湖河流 Tributaries of Qinghai Lake | 2 | 0.673 ± 0.029 | 0.973 ± 0.046 | 0.418 ± 0.075 | |
小计 Subtotal | 4 | ||||
黄河上游 Upper reaches of Yellow River | 洮河 Taohe River | 8 | 1.198 ± 0.246 | 0.848 ± 0.122 | 0.337 ± 0.072 |
大夏河 Daxia River | 4 | 0.573 ± 0.107 | 0.633 ± 0.261 | 0.589 ± 0.229 | |
庄浪河 Zhuanglang River | 4 | 0.570 | 0.410 | 0.723 | |
大通河 Datong River | 6 | 1.390 ± 0.014 | 0.820 ± 0.057 | 0.293 ± 0.019 | |
湟水河 Huangshui River | 7 | 1.060 ± 0.159 | 0.753 ± 0.130 | 0.368 ± 0.103 | |
贵德至玛曲段 Guide-Maqu section | 4 | 0.777 ± 0.168 | 0.950 ± 0.053 | 0.417 ± 0.086 | |
玛曲段 Maqu section | 6 | 0.645 ± 0.134 | 0.515 ± 0.021 | 0.674 ± 0.049 | |
玛曲至玛多段 Maqu-Maduo section | 3 | 0.530 ± 0.382 | 0.545 ± 0.247 | 0.667 ± 0.269 | |
小计 Subtotal | 12 | ||||
渭河 Weihe River | 渭河上游 Upper reaches of Weihe River | 4 | 1.010 ± 0.113 | 0.790 ± 0.098 | 0.419 ± 0.045 |
嘉陵江 Jialing River | 白龙江 Bailong River | 4 | 0.845 ± 0.247 | 0.950 ± 0.028 | 0.446 ± 0.104 |
嘉陵江上游 Upper reaches of Jialing River | 3 | 0.990 | 0.900 | 0.392 | |
小计 Subtotal | 5 |
表1 青藏高原东北部边缘地区高原鳅属鱼类的多样性(平均值 ± 标准差)
Table 1 Fish diversity of Triplophysa species in northeastern margin of Tibetan Plateau (mean ± SD)
水系 Basin | 水系单元 Basin unit | 物种丰富度 Species richness | Shannon-Wiener指数 Shannon-Wiener index | Pielou指数 Pielou index | Simpson指数 Simpson index |
---|---|---|---|---|---|
河西 Hexi rivers | 疏勒河干流 Shule River | 4 | 0.690 ± 0.114 | 0.727 ± 0.074 | 0.553 ± 0.047 |
疏勒河附属水体 Tributaries of Shule River | 2 | 0.560 ± 0.217 | 0.810 ± 0.312 | 0.556 ± 0.250 | |
黑河干流 Heihe River | 6 | 1.136 ± 0.213 | 0.842 ± 0.078 | 0.350 ± 0.064 | |
黑河附属水体—大马营河 Damaying-tributary of Heihe River | 4 | 1.100 | 0.790 | 0.346 | |
黑河附属水体—其他 Other tributaries of Heihe River | 2 | 0.320 ± 0.157 | 0.463 ± 0.229 | 0.806 ± 0.117 | |
石羊河干流 Shiyang River | 4 | 1.035 ± 0.093 | 0.893 ± 0.121 | 0.364 ± 0.035 | |
石羊河附属水体 Tributaries of Shiyang River | 2 | 0.640 ± 0.044 | 0.923 ± 0.064 | 0.545 ± 0.040 | |
小计 Subtotal | 7 | ||||
青海湖 Lake Qinghai | 甘子河 Ganzi River | 2 | 0.620 ± 0.028 | 0.890 ± 0.042 | 0.539 ± 0.054 |
入湖河流 Tributaries of Qinghai Lake | 2 | 0.673 ± 0.029 | 0.973 ± 0.046 | 0.418 ± 0.075 | |
小计 Subtotal | 4 | ||||
黄河上游 Upper reaches of Yellow River | 洮河 Taohe River | 8 | 1.198 ± 0.246 | 0.848 ± 0.122 | 0.337 ± 0.072 |
大夏河 Daxia River | 4 | 0.573 ± 0.107 | 0.633 ± 0.261 | 0.589 ± 0.229 | |
庄浪河 Zhuanglang River | 4 | 0.570 | 0.410 | 0.723 | |
大通河 Datong River | 6 | 1.390 ± 0.014 | 0.820 ± 0.057 | 0.293 ± 0.019 | |
湟水河 Huangshui River | 7 | 1.060 ± 0.159 | 0.753 ± 0.130 | 0.368 ± 0.103 | |
贵德至玛曲段 Guide-Maqu section | 4 | 0.777 ± 0.168 | 0.950 ± 0.053 | 0.417 ± 0.086 | |
玛曲段 Maqu section | 6 | 0.645 ± 0.134 | 0.515 ± 0.021 | 0.674 ± 0.049 | |
玛曲至玛多段 Maqu-Maduo section | 3 | 0.530 ± 0.382 | 0.545 ± 0.247 | 0.667 ± 0.269 | |
小计 Subtotal | 12 | ||||
渭河 Weihe River | 渭河上游 Upper reaches of Weihe River | 4 | 1.010 ± 0.113 | 0.790 ± 0.098 | 0.419 ± 0.045 |
嘉陵江 Jialing River | 白龙江 Bailong River | 4 | 0.845 ± 0.247 | 0.950 ± 0.028 | 0.446 ± 0.104 |
嘉陵江上游 Upper reaches of Jialing River | 3 | 0.990 | 0.900 | 0.392 | |
小计 Subtotal | 5 |
图2 研究区域各水系单元基于高原鳅属物种组成的UPGMA聚类分析。YH1是黄河上游水系贵德以下段, YH2是黄河上游水系贵德以上段。
Fig. 2 UPGMA cluster of basin units in study area based on component of Triplophysa species. YH1 and YH2 are the sections above and below of Guide in upper reaches of Yellow River.
图3 青藏高原东北部边缘地区高原鳅属鱼类物种丰富度分布格局, 图中河流编号与图1中一致。
Fig. 3 The species richness pattern of Triplophysa species in northeastern margin of Tibetan Plateau, serial number in accordance with Fig. 1.
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