Otolith development in wild populations of stickleback: Jones & Hynes method does not apply to most populations.
Otolith development in wild populations of stickleback: Jones & Hynes method does not apply to most populations.
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野生棘鱼种群的耳石发育：琼斯
DOI：
10.1111/jfb.13687
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发表时间：
2018
影响因子：
2
通讯作者：
Singkam AR
中科院分区：
文献类型：
--
作者：
Singkam AR
本文对Jones和Hynes（1950）在苏格兰北尤斯特和英格兰诺丁汉采集的三个野生棘腹鱼种群的耳石样品进行了连续分析。与Jones & Hynes（1950）相反，但与后来研究者的发现一致，我们的研究结果表明，在耳石中没有形成真正的半透明环。aculeatusduring their其first summer夏天.第一个半透明的戒指大概在夏末开始形成，在第一个冬天结束时完成。耳石中没有第二个不透明环。aculeatus之前，他们通过了第一个冬天。第二个不透明环在第二年的4月初刚刚开始出现在南部人群中。诺丁汉，但后来，5月，在北方人口。北尤伊斯特。不透明环的形成。棘鱼症多发生在春季和夏季，幼鱼开始较早。相比之下，半透明环的形成主要是在秋季和冬季，但可能全年都更广泛，可能是生殖投资的结果。
This paper critiques Jones & Hynes (1950) findings by analysing sequential samples of otoliths from three wild populations ofGasterosteus aculeatusfrom North Uist, Scotland and Nottingham, England. Contrary to Jones & Hynes (1950), but coincident with the finding of later researchers, our results showed that no true translucent ring formed in the otolith ofG. aculeatusduring their first summer. The first translucent ring was probably starting to be formed by the end of summer and was completed by the end of their first winter. There was no second opaque ring in the otoliths ofG. aculeatusbefore they passed their first winter. The second opaque ring was just starting to appear by early April of the second year in the southern populationi.e. Nottingham, but later, by May, in the northern populationsi.e. North Uist. Formation of the opaque ring inG. aculeatusmostly occurs in spring and summer, with younger fish starting earlier. In contrast, the formation of translucent rings is mostly during autumn and winter, but can be more widespread through the year, possibly as a result of reproductive investment.
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