Assessment of a channel catfish population in a large open river system
作者： A. J. Blank , M. J. Hamel , J. J. Spurgeon , M. A. Pegg
DOI: 10.1111/FME.12247
关键词: Mark and recapture 、 Ictalurus 、 Population model 、 Ecology 、 Catfish 、 Biological dispersal 、 Fishery 、 Abiotic component 、 Habitat 、 Population 、 Biology
摘要: Estimates of dynamic rate functions for riverine channel catfish, Ictalurus punctatus (Rafinesque), populations are limited. The open nature and inherent difficulty in sampling environments the propensity dispersal catfish impede estimation population variables. However, contemporary models (i.e. robust design models) can incorporate these systems. purpose this study was to determine abundance, survival size structure characterise growth lower Platte River, Nebraska, USA. Annual estimates adult were 13%–49%, abundance ranged from 8,281 24,261 fish within a 10-km reach. Channel predominantly (90%)
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