By Martyn Lucas, Etienne Baras

ISBN-10: 0632057548

ISBN-13: 9780632057542

Fresh reviews have more and more confirmed the frequent life of spatio-temporal adaptations within the abundance and distribution of species of freshwater fishes, formerly assumed to not stream among habitats. those events are usually on a seasonal or ontogenetic foundation, for spawning, feeding and safe haven, and in lots of circumstances are basic for the winning of entirety of lifecycles.This very important publication presents a unmarried resource for more than a few formerly extensively dispersed details on those hobbies of fish in clean waters, protecting potamodromous fishes in addition to the extra favourite diadromous species, around the world. Contents contain complete descriptions of varieties of migration and spatial behaviour, the stimulus and capability for fish emigrate, the consequences of weather on styles of migratory behaviour, a taxonomic research (mostly by way of kinfolk) of freshwater fish migration, tools for learning migration, and info of the affects of man's actions on freshwater fish migration.Migration of Freshwater Fishes offers an exceptional and complete connection with which the river supervisor, biologist or scholar can now confer with receive details, suggestion and present opinion at the migratory behaviour of such a lot taxonomic teams of fishes taking place in clean water. collage libraries and aquatic examine stations also needs to have copies of this crucial reference publication on their shelves.Well-known overseas authors.Of nice advertisement significance to fisheries angling bodies.Draws jointly a lot new info in a single place.Detailed overview of worldwide broad migratory behaviour for many teams of freshwater fishes.Pure and utilized relevance, for lecturers, fisheries scientists, river managers and conservationists.This finished e-book contains sixty seven tables and figures and over 1,400 references.

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1987, 1998; Pender & Griffin 1996). Evidence of genetically based variations in life history and migratory behaviour of the three-spined stickleback Gasterosteus aculeatus has also been obtained (Snyder & Dingle 1989; Snyder 1991), although lifecycle characteristics in this species are also strongly influenced by environmental conditions (Wootton 1976, 1984). Ontogenetic changes in motivational and structural responses to stimuli result from both maturation, which involves intrinsic processes, and environmental experience (Colgan 1993).

In part it must relate to pioneering studies throughout the 1950s, based principally on stream-dwelling fishes including centrarchids, that provided substantial evidence for very limited movement by these species, and of the existence of small, stable home ranges (Gerking 1950, 1953). These observations, together with a variety of studies on other freshwater fish species, were incorporated in Shelby Gerking’s (1959) important review, The restricted movement of fish populations. In the light of more recent works including those of Northcote (1978, 1984, 1997, 1998) and Welcomme (1979, 1985) potamodromy has been given a greater significance.

Levels of reproductive homing to the natal stream often exceed 95% for a number of populations of several species of anadromous salmonids (Hasler & Scholz 1983). However, straying may have significant fitness value also as an alternative life-history strategy, particularly in circumstances where the natal spawning habitat is unsuitable at the time of migration, or is inherently unstable or unpredictable, resulting in heavy mortality of progeny in some years (Whitman et al. 1982; Quinn 1984). Measurement of the level of homing to natal spawning areas is difficult to obtain in many freshwater fish species which move away from spawning areas early in life (and at a small size).

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Migration of Freshwater Fishes by Martyn Lucas, Etienne Baras


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