Blar i Nord Open Research Archive på forfatter "Folstad, Ivar"
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Cannibalism and protective behavior of eggs in Arctic charr (Salvelinus alpinus)
Frye, Marilena; Egeland, Torvald Blikra; Nordeide, Jarle Tryti; Folstad, Ivar (Peer reviewed; Journal article, 2021)From video recordings of spawning events, we quantified protective and cannibalistic behavior of Arctic charr occurring immediately after spawning. The number of fish cannibalizing on stray eggs was examined regarding (a) ... -
No support for cryptic choice by ovarian fluid in an external fertilizer
Kleppe, April Snøfrid; Nordeide, Jarle Tryti; Rudolfsen, Geir; Figenschou, Lars; Larsen, Berner; Reiss, Katrin; Folstad, Ivar (Journal article; Peer reviewed, 2018) -
On the relative effect of spawning asynchrony, sperm quantity, and sperm quality on paternity under sperm competition in an external fertilizer
Egeland, Torvald Blikra; Rudolfsen, Geir; Nordeide, Jarle Tryti; Folstad, Ivar (Journal article; Peer reviewed, 2015) -
Spawning behavior of Arctic charr (Salvelinus alpinus) : Spawning synchrony, vibrational communication, and mate guarding
Brattli, Magnus B.; Egeland, Torvald Blikra; Nordeide, Jarle Tryti; Folstad, Ivar (Journal article; Peer reviewed, 2018)A mismatch in synchrony between male and female gamete release in external ferti - lizers can result in reduced or failed fertilization, sperm competition, and reduced paternity. In Arctic charr ( Salvelinus alpinus ), ... -
Status Specific Tailoring of Sperm Behavior in an External Fertilizer
Egeland, Torvald Blikra; Rudolfsen, Geir; Nordeide, Jarle Tryti; Folstad, Ivar (Journal article; Peer reviewed, 2016)