Results 101 to 110 of about 12,611 (204)

Life-history strategies of pike in a high-altitude loch in Scotland [PDF]

open access: yes, 1998
Pike, Esox lucius, are present in Loch Callater at their highest altitude and most extreme habitat in the British Isles, with subarctic winter conditions and extended winter ice-cover.
Treasurer, Jim
core  

Brain monoaminergic activity in rainbow trout selected for high and low stress responsiveness [PDF]

open access: yes, 2001
This paper investigates whether two lines of rainbow trout displaying genetically determined variation in stress responsiveness and behavior also show differences in brain monoaminergic activity.
Carrick, Toby R.   +4 more
core   +1 more source

Seasonal variations in the profundal Chironomidae (Diptera) assemblage of a subarctic lake [PDF]

open access: yes, 2012
Zoobenthos samples were collected over a 12-month period in the profundal zone of the subarctic Fjellfrøsvatn, a lake in northern Norway. Chironomid larvae numerically dominated the profundal zoobenthos and their mean density decreased with increasing ...
Amundsen, Per-Arne, Mousavi, Seyed Karim
core  

Short-and long term niche segregation and individual specialization of brown trout ( Salmo trutta ) in species poor Faroese lakes [PDF]

open access: yes, 2018
Trophic niche divergence is considered to be a major process by which species coexistence is facilitated. When studying niche segregation in lake ecosystems, we tend to view the niche on a one-dimensional pelagic-littoral axis.
Amsinck, Susanne   +9 more
core  

Genetic Variability and Structuring of Arctic Charr (Salvelinus alpinus) Populations in Northern Fennoscandia.

open access: yesPLoS ONE, 2015
Variation in presumably neutral genetic markers can inform us about evolvability, historical effective population sizes and phylogeographic history of contemporary populations.
Takahito Shikano   +4 more
doaj   +1 more source

Effect of Water Velocity on the Timing of Skeletogenesis in the Arctic Charr, Salvelinus alpinus (Salmoniformes: Teleostei): An Empirical Case of Developmental Plasticity

open access: yesInternational Journal of Zoology, 2010
Phenotypic plasticity has been demonstrated in fishes but rarely addressed with respect to skeletogenesis. The influence of water velocity on the sequence of chondrification and ossification is studied for the median fins of Arctic charr, Salvelinus ...
Richard Cloutier   +3 more
doaj   +1 more source

Einfluss von Futtermitteln und der Fütterungsstrategie auf die Fischproduktion und die Produktqualität von ökologischen Fischereierzeugnissen [PDF]

open access: yes, 2011
Im Rahmen eines vom Bundesministerium für Ernährung, Landwirtschaft und Verbraucherschutz (BMELV) finanzierten und von der Bundesanstalt für Landwirtschaft (BLE) betreuten Projektes wurde der Einfluss von Futtermitteln und der Fütterungsstrategie auf die
Benedikt, Frenzl   +4 more
core  

Co-développement d’un projet collaboratif pour le suivi télémétrique hivernal d’ombles chevaliers à Kangirsuk, Nunavik, Canada

open access: yesVertigO
Kangirsuk, is an Inuit community of Nunavik (Qc, Canada), renowned for the abundance of its anadromous Arctic char (Salvelinus alpinus), which are also a livelihood resource for the local population.
Véronique Dubos, Johnny Nassak
doaj   +1 more source

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