Results 31 to 40 of about 30,698 (237)
The Fishes of Chadron Creek, Dawes County, Nebraska [PDF]
This first modern comprehensive survey of fishes collected from Chadron Creek, Dawes County, Nebraska, documents collections made with a small seine and backpack electrofisher during November 2007 and February and March 2008.
Leite, Michael B. +2 more
core +3 more sources
Biological characteristics of trout (Salmo trutta L.) smolts grown in river Mołstowa catchment area [PDF]
The paper presents the following biological characters of trout (Salmo trutta L.) smolts grown under natural conditions of the river Mołstowa: length and weight distribution, age, sex ratio, and gonad maturity stage.
Z. Chełkowski, B. Chełkowska
doaj +3 more sources
Protected areas can make an important contribution to the conservation of genetic diversity in the current biodiversity crisis. We have examined two representative freshwater fish taxa, Cottus spp.
Schmidt Thomas +2 more
doaj +1 more source
Survival and growth rates of juvenile salmonids reared in lowland streams
The aim of this study was to assess the efficiency of propagating juvenile trout, Salmo trutta L. in small lowland streams and to evaluate the impact of the environmental conditions in the streams on the juvenile fish.
Golski Janusz +4 more
doaj +1 more source
Total (TL), neutral (NL) and phospholipid (PL) amounts and fatty acid (FA) composition of female Salmo trutta caspius, Salmo trutta labrax and Salmo trutta macrostigma were investigated during one year. Twenty-three FAs were identified in both NLs and PLs.
Bayir, Abdulkadir +5 more
openaire +3 more sources
Differential effects of food availability on minimum and maximum rates of metabolism [PDF]
Metabolic rates reflect the energetic cost of living but exhibit remarkable variation among conspecifics, partly as a result of the constraints imposed by environmental conditions.
Anderson, Graeme J. +4 more
core +3 more sources
The effect of the size of sea trout (Salmo trutta L.) females from Rega River upon the size of eggs [PDF]
The aim of work was to assess statistically the effect of body length, weight and age of sea trout (Salmo trutta L.) females from Rega River upon average diameter and weight of swollen eggs, and weight of mature eggs.
Z. Chełkowski +3 more
doaj +3 more sources
In Romania, the salmon breeding is the second branch of pisciculture as importance, but the obtained production is very small (about 1240 to; ANPA, 2005) and enough limited as bred species (brown trout - Salmo trutta fario, brook trout - Salvelinus ...
ANCA BOARU +5 more
doaj
Heart conditioned response in Salmo trutta (L.) In the field of inductive current [PDF]
Heart conditioned responses in Salmo trutta (L.) in the field of inductive current were investigated by means of the cardiographic method. High excitability grade was proved.
R. Węgrzynowicz +2 more
doaj +3 more sources
An endogenous crepuscular rhythm of rainbow trout (Salmo gairdneri) photomechanical movements [PDF]
1. The position of the epithelial pigment and cones in the retina of Salmo gairdneri was determined during extended periods of darkness in fish entrained to both artificial and natural light/dark cycles. 2. An endogenous rhythm of such photomechanical
Douglas, R. H.
core

