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Article: Anguilla marmorata larval migration plasticity as revealed by otolith microstructural analysis.(Report)
- Article from:
- Canadian Journal of Fisheries and Aquatic Sciences
- Article date:
- October 1, 2008
- Author:
CopyrightCOPYRIGHT 2008 NRC Research Press. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
The duration of a fish larval stage, and therefore, its metamorphosis timing, might be key factors determining distances of dispersal and species distribution range (Arai et al. 2001x; Hoareau et al. 2007). Variation in oceanic migration duration of successfully recruited larvae probably reflects the species capabilities to delay metamorphosis and therefore the ability to maximize chances of fording suitable growth areas (Victor 1986). This delay has been observed to be very flexible in some fish groups and mostly for those composing the monophyletic group of the Elopomorpha (i.e., Elopiformes, Albuliformes, Saccopharyngiformes, and Anguilliformes; ...
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Article: Report Proves Pebble Mine Would Destroy Salmon Spawning ...
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...ANCHORAGE, Alaska -- The Renewable Resources Coalition (RRC) and Trout Unlimited today jointly announced the results of an independent professional review that confirms the proposed Pebble Mine threatens wild salmon spawning and rearing habitat as well as surface and groundwater quality. The
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