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题名: Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China
作者: Ding, Chengzhi1, 2; Chen, Yifeng1; He, Dekui1; Tao, Juan1, 3
关键词: Daily increment ; Gymnocypris selincuoensis ; Otolith ; Tibetan Plateau ; validation
刊名: ECOLOGY AND EVOLUTION
发表日期: 2015-08-01
DOI: 10.1002/ece3.1572
卷: 5, 期:16, 页:3243-3249
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Daily increment validation in fish otolith is fundamental to studies on fish otolith microstructure, age determination and life history traits, and thus is critical for species conservation and fishery management. However, it has never been done for Schizothoracine fish, which is the dominant component of fish fauna in the Tibetan Plateau. This study validated the daily increment formation of Gymnocypris selincuoensis, as a representative of Schizothoracine fish, by monitoring the growth of hatchery-reared larvae group and wild-caught post-yolk-sac larvae group under controlled experiments. The results from monitoring the hatchery-reared larvae group showed that sagittae and lapilli were found in yolk-sac larvae, and formed 5-7days before hatching, but asterisci were not found until 11days post-hatching. The first increment in sagittae and lapilli was formed in the first day after hatching. The daily periodicity of increment formation was examined and confirmed in sagittae and lapilli of both larvae groups. However, sagittae were better for age determination than lapilli for larvae at earlier days. For larval G.selincuoensis older than 50days, lapilli were the only otolith pair suitable for larvae daily age determination. This study validated the daily increment formation in Schizothoracine fish for the first time has primary implications to other fishes from this subfamily.
关键词[WOS]: DAILY GROWTH INCREMENTS ; SALMO-SALAR L ; ATLANTIC SALMON ; FISH OTOLITHS ; MICROSTRUCTURE ; LARVAL ; CYPRINIDAE ; JUVENILES ; EMBRYOS ; RIVER
语种: 英语
WOS记录号: WOS:000360177400002
ISSN号: 2045-7758
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27150
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 410072, Peoples R China
2.Yunnan Univ, Asian Int Rivers Ctr, Kunming 650091, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Ding, Chengzhi,Chen, Yifeng,He, Dekui,et al. Validation of daily increment formation in otoliths for Gymnocypris selincuoensis in the Tibetan Plateau, China[J]. ECOLOGY AND EVOLUTION,2015,5(16):3243-3249.
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