Growth rate and age at migration of Anguilla anguilla

Growth rate and age at migration of Anguilla anguilla
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安圭拉的生长速度和迁徙年龄

DOI:
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发表时间:
1996
期刊:
影响因子:
--
通讯作者:
J. Reynolds
J. Reynolds
中科院分区:
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文献类型:
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作者:
W. R. Poole;J. Reynolds

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在爱尔兰西部未开发的Burrishoole系统中,对下游洄游的雄性和雌性鳗鱼的体长、年龄和生长速度进行了调查。在洄游的年龄和长度上发现了显著的差异,更大、更老的雌鳗早在淡水中的第一年就表现出更快的年生长速度。雌鳗鱼通常在40.5厘米到92.9厘米之间洄游,雄鳗鱼在28.9到46厘米之间洄游。反算显示出年增长快慢不规律。女性的平均年生长增量几乎总是大于男性。
The length, age and growth rate were investigated for downstream migrating male and female eels in the unexploited Burrishoole system, western Ireland. Significant differences were found in the age and length at migration with the larger, older female eels also showing faster annual growth as early as the first year in fresh water. Female eels normally migrated at lengths from 40.5 cm, exceptionally to 92.9 cm, and male eels at lengths between 28.9 and 46′0 cm. Back-calculation showed an irregular pattern of fast and slow annual growth. Mean annual growth increments were almost always greater for females than for males.
雌二醇受体与大鼠催乳素基因上游至少一千碱基的区域选择性结合。
DOI: 10.1089/dna.1985.4.1
发表时间: 1985
期刊: DNA (Mary Ann Liebert, Inc.)
影响因子: --
作者:
Maurer,RA
通讯作者: Maurer,RA