期刊
FISHERIES MANAGEMENT AND ECOLOGY
卷 26, 期 2, 页码 97-107出版社
WILEY
DOI: 10.1111/fme.12330
关键词
aquaculture; biological invasion; ecological impacts; economic value; tilapia
类别
资金
- National Natural Science Foundation of China [31500465]
- Central Public-interest Scientific Institution Basal Research Fund, CAFS (Chinese Academy of Fishery Sciences) [2018SJ-ZH02]
- Agricultural Biological Resources Protection and Utilization Project
- Ministry of Agriculture and Rural Affairs of the People's Republic of China [2130108]
Tilapia is one of the groups of fish species most widely cultured globally. China has been the largest producer of tilapia in the world since 1990s. Guangdong Province produces almost 40% of all tilapia in China because of its suitable geography and weather conditions, and tilapia culture has brought considerable economic benefits. Unfortunately, many of the biological traits that make tilapia popular for culture also contribute to its success as an invader. Tilapia has invaded natural waters and has become the dominant fish in many rivers of Guangdong Province, causing economic loss in capture fisheries, and affecting native fish species, biodiversity and aquatic ecosystems. Poor fishery management, water quality degradation and biodiversity loss have all facilitated the tilapia invasion. Tilapia have filled the niches left vacant by now locally extinct native species resulting from environmental changes in freshwater ecosystems of the province. The introduction of tilapia has both advantages and disadvantages, which should be managed to use effectively the various tilapia species in aquaculture while controlling their spread in natural waters.
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