By Pedro Morais, Francoise Daverat
Since the booklet of The Migrations of Fish by Prof. Alexander Meek in 1916, a couple of books were released in this topic. despite the fact that, every one of these books basically hide one form of migratory mechanisms. This ebook goals to beat this main issue by way of proposing a finished insurance of all existence historical past strategies―potadromy, anadromy, catadromy, amphidromy and oceanodromy in a single book.
The first portion of this publication reports the heritage of fish migration reviews, the most definitions and ideas comparable with fish migration and the most developments and demanding situations of fish migration study. the second one part describes the most approaches and styles linked to all migratory lifestyles historical past ideas, in addition to the most difficulties linked to their conservation. ultimately, the 3rd part presents examples of the most methodologies used to review fish migration.
This booklet was once conceived with the target to supply undergraduate and graduate scholars and researchers with a finished ebook on which they can rely.
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Extra resources for An introduction to fish migration
This adaptive capacity is, in its turn, the expression of a combination of traits, namely phenotypic plasticity, species range shifts, and microevolution (Bernhardt and Leslie 2013; Chevin et al. 2013). Therefore, the complexity linking climate change and migratory fish calls for a transdisciplinary research effort to support wise conservation policies. In fact, conservation measures as assisted colonization, or displacement of endangered species, are being considered if populations cannot adapt fast enough to the rate of habitat favorability change or if they cannot disperse quickly enough.
2015). Despite all economic pressures (fisheries, water development plans) that world migratory fishes are subject to, we are still confident that the future will be beneficial for migratory fish species if fundamental and applied research continues in developed countries, if it expands to developing countries in a consistent manner, but only if encompassed by public awareness programs and media pressure. References Arthington AH, Lorenzen K, Pusey BJ, Abell R, Halls AS, Winemiller KO, Arrington DA and Baran E (2003) River fisheries: ecological basis management and conservation.
3. Generalized movements (Feeding, Reproductive, and Refuge Migrations) by North American potamodromous fishes with emphasis on patterns of migration between essential feeding, spawning, and refuge habitats (revised from Schlosser 1991 and Northcote 1997). Legend: Larvae-Larv, Juvenile-Juv, Sub-Adults-Sub-Ad, Adults-Ad. overwintering refuge and non-winter refuge habitats. One can therefore summarize potamodromy as a cyclic sequence of migrations (feeding, refuge and reproduction) among four types of habitat (feeding, winter refuge, non-winter refuge and spawning) (Fig.