Blar i Department of Biological Sciences på emneord "Predasjon"
Viser treff 1-4 av 4
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Ballan wrasse (Labrus bergylta) predation on hatchery reared scallop (Pecten maximus) spat
(Master thesis, 2005)Sea ranching of the great scallop (Pecten maximus) may have a high potential for future aquaculture in Norway. The edible crab (Cancer pagurus) and starfish (Asterias rubens) have been identified as the major predators, ... -
Betydinga av oppvekstmiljø for fødeåtferd hjå lakseyngel
(Master thesis, 2017-01-16)Fisk nytta til styrking av populasjonar som veks opp hjå klekkeri, har vist seg å ha høgare dødelegheit enn vill fisk. Hovudårsakane til dette er svolt og predasjon. Med føremål å auke andelen fisk som overlev har ein i ... -
Can enrichment improve the post-release survival of hatchery-reared Atlantic salmon fry (Salmo salar)? – A field experiment
(Master thesis, 2018-06-26)Release of captive-reared fish to supplement reduced, wild populations has become a common tool for conservation and management. Such attempted population enhancements have, however, had limited success, and several previous ... -
Predation risk at dawn: How changing light and birds’ traits affect the temporal risk landscape during sunrise.
(Master thesis, 2018-09-01)Passerine birds, commonly known as songbirds, have a pronounced peak of singing before sunrise during their breeding season, known as the dawn chorus. This thesis aims to explore why they sing at this time – what are the ...