首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Determination of age of kahawai Arripis trutta (Bloch & Schneider)
Authors:D Eggleston
Institution:Fisheries Research Division , Ministry of Agriculture and Fisheries , Wellington, New Zealand
Abstract:Scales are unsuitable for age determination in Arripis trutta older than 5 y (approximately equivalent to 40 cm L.C.F.). Otoliths can be used for fish of all ages. The maximum age recorded is 22 y.
Keywords:braided rivers  fish habitat  incremental analysis  instream flow needs  simulation  stream flow  water resources
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号