Thermal Preference May Facilitate Spatial Coexistence of Two Invasive Fish Species in Lake Bosten, China

Author:

Song Dan123ORCID,Zhang Yinzhe12,Li Junfeng12,Wang Puze12,Ye Shaowen1ORCID,Zhang Tanglin1,Li Wei1ORCID,Liao Chuansong1,Guo Chuanbo1,Liu Jiashou1

Affiliation:

1. State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China

2. University of Chinese Academy of Sciences, Beijing 100049, China

3. Key Laboratory of Aquatic Organism Protection and Ecological Restoration in Cold Waters, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150010, China

Abstract

As aquaculture food production is expected to increase, introduced aquaculture species play an important role in meeting the rising demand for aquatic food products and contributing to great societal benefits. Species introduction forces sympatric species to coexist within the same ecosystem by niche segregation. Japanese smelt Hypomesus nipponensis and sharpbelly Hemiculter leucisculus are ecologically similar species and were introduced to Lake Bosten, the largest inland lake in Northwest China, accounting for more than 60% of the total production. We predicted that the coexistence of the two invasive species is mediated by habitat segregation. We analyzed spatiotemporal patterns of Japanese smelt and sharpbelly abundance in Lake Bosten to determine the patterns of spatial segregation between the two dominant fish species. Our results showed that, in Lake Bosten, sharpbelly are typically littoral dwellers when the surface temperature increases in spring and summer, while Japanese smelt often prefer pelagic waters, especially during summer and autumn when the surface temperature rises. Japanese smelt showed an affinity for deeper waters, using median depths 1.7 m deeper than those of sharpbelly, irrespective of the sampling season. Water temperature was the main underlying driver of such spatial segregation and coexistence of these two closely related species in Lake Bosten. Spawning, food resources, and fishing were also important possible factors affecting spatial segregation between the two species. Our results provide new information on niche partitioning patterns as strategies for the coexistence of the two dominant non-native fish in Lake Bosten, supporting the idea that ecologically similar species can avoid resource competition through spatial habitat segregation.

Funder

National Key Research and Development Program of China

Finance Special Fund of the Ministry of Agriculture and Rural Affairs

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

Reference74 articles.

1. FAO (2022). The State of World Fisheries and Aquaculture, FAO.

2. Exotic species in global aquaculture—A review;Shelton;Isr. J. Aquacult. Bamid.,2006

3. Global aquaculture and its role in sustainable development;Subasinghe;Rev. Aquacult.,2009

4. Global Documentation of Fish Introductions: The Growing Crisis and Recommendations for Action;Casal;Biol. Invasions,2006

5. Vilà, M., and Hulme, P. (2017). Impact of Biological Invasions on Ecosystem Services, Springer.

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