Page 121 - 《水产学报》2026年第04期
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4 期 水 产 学 报 50 卷
30 P=1.000
30 P=0.657
P=0.003 6 20 P=0.285 P=0.789
**
鱼类物种数/种 the no. of fish species 20 鱼类物种数/种 the no. of fish species 10 *
10
0
3
1
2
不同水层 4 5
different water layers
0 1 2 图 3 不同水层样本鉴定得到的物种数分布
采样区域 1. 黄河口海域表层水样;2. 黄河口海域底层水样;3. 长江口海域
sampling area 表层水样;4. 长江口海域中层水样;5. 长江口海域底层水样。
图 2 黄河口和长江口邻近海域每样本鉴定的 Fig. 3 Distribution of the number of species identified
物种数分布 from samples of different water layers
1. 黄河口邻近海域;2. 长江口邻近海域;** P < 0.01。 1. surface water samples from the Yellow River Estuary area; 2. bottom
Fig. 2 The distribution of the number of species identi- water samples from the Yellow River Estuary area; 3. surface water
fied per sample in the adjacent sea areas of the Yellow samples from the Yangtze River Estuary area; 4. middle water samples
from the Yangtze River Estuary area; 5. bottom water samples from the
River Estuary and the Yangtze River Estuary
Yangtze River Estuary area.
1. the adjacent sea area of the Yellow River Estuary; 2. the adjacent sea
area of the Yangtze River Estuary; ** P < 0.01.
果显示,基于所有水层 (括号外) 和可比子集 (括
大部分站位丰度极低甚至完全未被检出 (图 4)。 号 内 ), 长 江 口 邻 近 海 域 采 样 站 位 多 样 性 指 数
(Chao1、Shannon、Simpson 和 Pielou 指数) 均高于
2.4 物种多样性比较
黄河口 (表 2,图 5)。同时,黄河口各指数的标准
为提供完整数据背景,同时分析了长江口各 差较大,表明其不同站位间的多样性波动更剧烈,
站位基于所有水层与可比子集的多样性指数,结 群落空间异质性更高。
100 100
物种 species 物种 species
竹䇲鱼 T. japonicus 75 凤鲚 C. mystus
75
T. japonicus
赤鼻棱鳀 T. kammalensis
竹䇲鱼
高眼鲽 C. herzensteini
龙头鱼 H. nehereus
相对丰度/% relative abundance 50 蓝点马鲛 S. niphonius 相对丰度/% relative abundance 50 鳀 E. japonicus
黄鳍刺虾虎鱼 A. flavimanus
青鳞小沙丁鱼 S. zunasi
沙带鱼 L. savala
平轴属 Sebastes spp.
吉氏绵鳚 Z. gillii
矛尾虾虎鱼 C. stigmatias
半滑舌鳎 C. semilaevis
细纹狮子鱼 L. tanakae
黄鮟鱇 L. litulon
25
小黄鱼 L. polyactis
鮟 L. haematocheila 25 斑鰶 K. punctatus
其他 others
其他 others
0 0
1 2 3 4 5 6 7 8 9 10 11121314151617181920
黄河口采样站位 长江口采样站位
sampling station of Yellow River Estuary sampling station of Yangtze River Estuary
(a) (b)
图 4 黄河口 (a) 与长江口 (b) 邻近海域鱼类 eDNA 相对丰度前 10 物种组成及其在各个站位的丰度
1. 黄河口海域站位合并后物种丰富度;2~10. 黄河口海域 HHE01~HHE09 各个站位物种丰富度;11. 长江口海域站位合并后物种丰富度;
12~20.长江口海域 YZE01~YZE09 各个站位物种丰富度。
Fig. 4 Composition of the top 10 fish species based on eDNA relative abundance and their abundances at each station
in the adjacent waters of the Yellow River Estuary (a) and Yangtze River Estuary (b)
1. pooled species abundance of all stations in the Yellow River Estuary; 2-10. species abundance at individual stations HHE01 to HHE09 in the Yellow
River Estuary area; 11. pooled species abundance of all stations in the Yangtze River Estuary; 12-20. species abundance at individual stations YZE01 to
YZE09 in the Yangtze River Estuary area.
https://www.china-fishery.cn 中国水产学会主办 sponsored by China Society of Fisheries
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