Download Migration of Freshwater Fishes by Martyn Lucas, Etienne Baras PDF

By Martyn Lucas, Etienne Baras

Contemporary reports have more and more proven the frequent lifestyles of spatio-temporal diversifications within the abundance and distribution of species of freshwater fishes, formerly assumed to not flow among habitats. those pursuits are frequently on a seasonal or ontogenetic foundation, for spawning, feeding and safe haven, and in lots of circumstances are primary for the winning of completion of lifecycles.This vital publication presents a unmarried resource for quite a number formerly commonly dispersed details on those pursuits of fish in clean waters, overlaying potamodromous fishes in addition to the extra regular diadromous species, around the world. Contents contain complete descriptions of varieties of migration and spatial behaviour, the stimulus and ability for fish emigrate, the results of weather on styles of migratory behaviour, a taxonomic research (mostly by means of kinfolk) of freshwater fish migration, equipment for learning migration, and info of the affects of man's actions on freshwater fish migration.Migration of Freshwater Fishes offers a good and accomplished connection with which the river supervisor, biologist or pupil can now confer with receive info, suggestion and present opinion at the migratory behaviour of so much taxonomic teams of fishes happening in clean water. collage libraries and aquatic learn stations must also have copies of this crucial reference booklet on their shelves.Well-known foreign authors.Of nice advertisement value to fisheries angling bodies.Draws jointly a lot new info in a single place.Detailed assessment of global huge migratory behaviour for many teams of freshwater fishes.Pure and utilized relevance, for lecturers, fisheries scientists, river managers and conservationists.This entire publication contains sixty seven tables and figures and over 1,400 references.

Show description

Read Online or Download Migration of Freshwater Fishes PDF

Best oceans & seas books

Aquaculture and fisheries biotechnology. Genetic approaches

The genetic development of fish for aquaculture and comparable fisheries is a box of study that has obvious giant advances in recent times. but there was no e-book which supplies an available evaluation of the topic in the past. The e-book fills this hole within the literature. The contents comprise polyploidy, sex-reversal and breeding, gene mapping and advertisement functions.

Design and Analysis Methods for Fish Survival Experiments Based on Release-Recapture

Whole theoretical, useful, and analytical therapy of enormous box experiments during which the recapture of marked animals is used to estimate mortality brought on by river dams or different stressors. Statistical layout and software program aid are emphasised.

Whale (Reaktion Books - Animal)

100 years in the past, a beached whale might were greeted through a mob wielding flensing knives; this present day, humans deliver harnesses and boats to aid it go back to the ocean. The whale is without doubt one of the so much awe-inspiring and clever animals in nature, sharing a posh courting with people that has noticeably developed over the centuries.

A Fishery Manager's Guidebook, 2nd Edition

Co-published with the nutrients and Agriculture association of the United Nations. Fisheries administration is the method that has developed to attempt to make sure that fisheries function in a fashion that gives the instant advantages in a sustainable demeanour. the commonly permitted objective is that the total diversity of advantages usually are not in simple terms be on hand for this iteration yet for generations to return.

Extra resources for Migration of Freshwater Fishes

Sample text

Modified from Sinha and Jones (1975) after Lowe (1952). 2 Temperature As ectotherms, fish (excluding the few homeothermic marine fish species) are generally more active at higher temperatures within their normal range of tolerance. Conversely, the action of temperature on the pattern of movement by fish may be masked at comfortable temperatures, and become predominant outside this range. These arguments have been put forward to ac- The Stimulus and Capacity for Migration 29 count for the abrupt shift of brown trout Salmo trutta and other fishes to nocturnal activity during winter (Heggenes et al.

Similar patterns of behaviour can be applied to wholly freshwater fish populations. The Colorado pikeminnow Ptychocheilus lucius of the Colorado River catchment, western United States and Mexico typically migrates to fast-flowing areas with a cobble substratum to spawn in early summer (Tyus 1985, 1990; Irving & Modde 2000). The larvae are displaced downstream and settle wherever there is available near-bank lentic habitat, especially in floodplain areas (Tyus 1991). The postspawners return to adult feeding habitat in deep pools which may be separated from spawning areas by about 150–300·km (Tyus 1985, 1990; Irving & Modde 2000).

Do mudminnows and young fish move between two places that can just be classed as microhabitats or mesohabitats, or does this movement represent migration? In both examples provided, the distance travelled is short, whereas the ecological significance of the movement is high. Hence, from an ecological and functional viewpoint, such movements are clearly of as great an adaptive advantage to survival in this environment as is transoceanic migration to pelagic marine fishes such as tuna. 5 From the restricted movement paradigm towards a general definition of migration Confusion in the perception of fish migrations is currently reflected in the management policies of river environments, since the term ‘migratory’ as addressed in freshwater fisheries legislation often pertains only to economically important and usually diadromous species such as salmonids, sturgeons and angullid eels.

Download PDF sample

Rated 4.89 of 5 – based on 47 votes