Current status of juvenile fish resources in Tangjiazhou spawning ground of Qiantang River and their relationship with environmental factors

doi:10.3969/j.issn.1004-1524.20240145

Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (2): 278-287.DOI: 10.3969/j.issn.1004-1524.20240145

• Animal Science • Previous Articles Next Articles

Current status of juvenile fish resources in Tangjiazhou spawning ground of Qiantang River and their relationship with environmental factors

LU Yiping¹(), LIAN Qingping², GUO Aihuan², LUO Kai¹, XU Qiaoqing¹^,^*(), YUAN Julin²^,^*()

1. College of Animal Science and Technology, Yangtze University, Jingzhou 434025, Hubei, China
2. Key Laboratory of Healthy Freshwater Fishery Aquaculture of Ministry of Agriculture and Rural Affairs, Zhejiang Provincial Key Laboratory of Freshwater Aquatic Genetics and Breeding,Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, Zhejiang, China

Received:2024-02-18 Online:2025-02-25 Published:2025-03-20
Contact: XU Qiaoqing,YUAN Julin

Abstract

Abstract:

In order to clarify the current status of juvenile fish resources in Tangjiazhou spawning ground in the lower reaches of Qiantang River, the juvenile fish resources in Tangjiazhou spawning ground were monitored from April to June, 2022. The species composition, ecological type, temporal variation of abundance and community characteristics of the juvenile fish resources were analyzed, and the relationship between the community characteristics and main environmental factors was analyzed, to provide data support for the protection and utilization of fish resources in Qiantang River. A total of 1 191 juvenile fishes were collected and identified, belonging to 2 orders, 2 families, 17 species, of which there were 5 dominant species and 1 common species. During the survey period, the daily abundance of juvenile fish ranged from 0 to 0.255 3 m^-3, and the average daily abundance was 0.041 4 m^-3. Most of the juvenile fishes were omnivorous (82.4% of the total species), produced sticky eggs (47.1% of the total species), lived in the bottom layer (53.0% of the total species). The results of redundancy analysis showed that the number of juvenile fishes was significantly (P<0.05) correlated with water temperature, yet had no significant correlation with discharge and transparency.

Key words: Qiantang River, juvenile fish, spawning ground, environmental factor

CLC Number:

S932.4

LU Yiping, LIAN Qingping, GUO Aihuan, LUO Kai, XU Qiaoqing, YUAN Julin. Current status of juvenile fish resources in Tangjiazhou spawning ground of Qiantang River and their relationship with environmental factors[J]. Acta Agriculturae Zhejiangensis, 2025, 37(2): 278-287.

Figures/Tables 6

References 46

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目 Order	科 Family	种 Species	数量 Quantity	IRI
鲤形目 Cypriniformes	鲤科 Cyprinidae	鲫 Carassius auratus	124	119.95
		鲤Cyprinus carpio	32	11.14
		伍氏半? Hemiculterella wui	3	0.23
		? Hemiculter leucisculus	15	4.06
		花? Hemibarbus maculates	12	3.25
		黄尾鲴 Xenocypris davidi	17	5.92
		圆吻鲴 Distoechodon tumirostris	16	5.57
		翘嘴鲌 Culter alburnus	18	5.57
		鲂Megalobrama skolkovii	11	2.98
		麦穗鱼 Pseudorasbora parva	12	2.79
		斜方鱊 Acheilognathus rhombeus	14	5.96
		大鳍鱊 Acheilognathus macropterus	12	4.64
		兴凯鱊 Acheilognathus chankaensis	4	0.62
鲈形目 Perciforms	虾虎鱼科 Gobiidae	粘皮鲻虾虎鱼 Mugilogobius myxodermus	127	127.76
		子陵吻虾虎鱼 Rhinogobius giurinus	223	232.97
		密点吻虾虎鱼 Rhinogobius multimaculatus	408	378.88
		波氏吻虾虎鱼 Rhinogobius cliffordpopei	143	143.86

目 Order	科 Family	种 Species	数量 Quantity	IRI
鲤形目 Cypriniformes	鲤科 Cyprinidae	鲫 Carassius auratus	124	119.95
		鲤Cyprinus carpio	32	11.14
		伍氏半? Hemiculterella wui	3	0.23
		? Hemiculter leucisculus	15	4.06
		花? Hemibarbus maculates	12	3.25
		黄尾鲴 Xenocypris davidi	17	5.92
		圆吻鲴 Distoechodon tumirostris	16	5.57
		翘嘴鲌 Culter alburnus	18	5.57
		鲂Megalobrama skolkovii	11	2.98
		麦穗鱼 Pseudorasbora parva	12	2.79
		斜方鱊 Acheilognathus rhombeus	14	5.96
		大鳍鱊 Acheilognathus macropterus	12	4.64
		兴凯鱊 Acheilognathus chankaensis	4	0.62
鲈形目 Perciforms	虾虎鱼科 Gobiidae	粘皮鲻虾虎鱼 Mugilogobius myxodermus	127	127.76
		子陵吻虾虎鱼 Rhinogobius giurinus	223	232.97
		密点吻虾虎鱼 Rhinogobius multimaculatus	408	378.88
		波氏吻虾虎鱼 Rhinogobius cliffordpopei	143	143.86

物种 Species	卵特性 Characteristics of fish eggs	分布水层 Distribution of water layers	食性 Food habits
鲫Carassius auratus	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
鲤Cyprinus carpio	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
伍氏半?Hemiculterella wui	漂流卵Drifting egg	中上层Upper	杂食性Omnivore
?Hemiculter leucisculus	黏性卵Viscid egg	中上层Upper	杂食性Omnivore
花?Hemibarbus maculates	黏性卵Viscid egg	中下层Lower	肉食性Carnivore
黄尾鲴Xenocypris davidi	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
圆吻鲴Distoechodon tumirostris	黏性卵Viscid egg	中下层Lower	杂食性Omnivore
翘嘴鲌Culter alburnus	黏性卵Viscid egg	中上层Upper	肉食性Carnivore
鲂Megalobrama skolkovii	黏性卵Viscid egg	中下层Lower	杂食性Omnivore
麦穗鱼Pseudorasbora parva	沉性卵Demersal egg	中下层Lower	杂食性Omnivore
斜方鱊Acheilognathus rhombeus	其他类型卵Other types of eggs	中上层Upper	杂食性Omnivore
大鳍鱊Acheilognathus macropterus	其他类型卵Other types of eggs	底层Demersal	杂食性Omnivore
兴凯鱊Acheilognathus chankaensis	其他类型卵Other types of eggs	底层Demersal	杂食性Omnivore
粘皮鲻虾虎鱼Mugilogobius myxodermus	沉性卵Demersal egg	底层Demersal	肉食性Carnivore
子陵吻虾虎鱼Rhinogobius giurinus	沉性卵Demersal egg	底层Demersal	杂食性Omnivore
密点吻虾虎鱼Rhinogobius multimaculatus	沉性卵Demersal egg	底层Demersal	杂食性Omnivore
波氏吻虾虎鱼Rhinogobius cliffordpopei	沉性卵Demersal egg	底层Demersal	杂食性Omnivore

物种 Species	卵特性 Characteristics of fish eggs	分布水层 Distribution of water layers	食性 Food habits
鲫Carassius auratus	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
鲤Cyprinus carpio	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
伍氏半?Hemiculterella wui	漂流卵Drifting egg	中上层Upper	杂食性Omnivore
?Hemiculter leucisculus	黏性卵Viscid egg	中上层Upper	杂食性Omnivore
花?Hemibarbus maculates	黏性卵Viscid egg	中下层Lower	肉食性Carnivore
黄尾鲴Xenocypris davidi	黏性卵Viscid egg	底层Demersal	杂食性Omnivore
圆吻鲴Distoechodon tumirostris	黏性卵Viscid egg	中下层Lower	杂食性Omnivore
翘嘴鲌Culter alburnus	黏性卵Viscid egg	中上层Upper	肉食性Carnivore
鲂Megalobrama skolkovii	黏性卵Viscid egg	中下层Lower	杂食性Omnivore
麦穗鱼Pseudorasbora parva	沉性卵Demersal egg	中下层Lower	杂食性Omnivore
斜方鱊Acheilognathus rhombeus	其他类型卵Other types of eggs	中上层Upper	杂食性Omnivore
大鳍鱊Acheilognathus macropterus	其他类型卵Other types of eggs	底层Demersal	杂食性Omnivore
兴凯鱊Acheilognathus chankaensis	其他类型卵Other types of eggs	底层Demersal	杂食性Omnivore
粘皮鲻虾虎鱼Mugilogobius myxodermus	沉性卵Demersal egg	底层Demersal	肉食性Carnivore
子陵吻虾虎鱼Rhinogobius giurinus	沉性卵Demersal egg	底层Demersal	杂食性Omnivore
密点吻虾虎鱼Rhinogobius multimaculatus	沉性卵Demersal egg	底层Demersal	杂食性Omnivore
波氏吻虾虎鱼Rhinogobius cliffordpopei	沉性卵Demersal egg	底层Demersal	杂食性Omnivore

Current status of juvenile fish resources in Tangjiazhou spawning ground of Qiantang River and their relationship with environmental factors

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