Blar i Nord Open Research Archive på forfatter "Østnes, Jan Eivind"
-
Population control by means of organised hunting effort : Experiences from a voluntary goose hunting arrangement
Tombre, Ingunn; Fredriksen, Fredrik; Jerpstad, Odd; Østnes, Jan Eivind; Eythórsson, Einar (Peer reviewed; Journal article, 2021)Implementing management objectives may be challenging when decisions are made at different scales than where they are supposed to be carried out. In this study we present a situation where local goose hunting arrangements ... -
Primary cell lines from feathers and blood of free-living tawny owls (Strix aluco) : a new in vitro tool for non-lethal toxicological studies
Kroglund, Ingvild Buran; Eide, Sara K; Østnes, Jan Eivind; Kroglund, Rolf Terje; Frisli, Jan-Eirik; Waugh, Courtney Alice (Peer reviewed; Journal article, 2022) -
Status for Sædgås Anser f. fabalis i Nord-Trøndelag
Kroglund, Rolf Terje; Østnes, Jan Eivind (Utredning / Høgskolen i Nord-Trøndelag;180, Others, 2016-01-20)Fra siste halvdel av 1800-tallet har det vært en dramatisk tilbakegang av sædgås Anser fabalis i Norge. Tilbakegangen skyldtes flere faktorer, men vannkraftutbygging, skogsdrift, drenering av myrer, jakt, økt ferdsel og ... -
The establishment of a breeding population of Smew Mergellus albellus in an atypical habitat on the Atlantic coast of Norway
Østnes, Jan Eivind; Kroglund, Rolf Terje (Journal article, 2015)In recent years, the Smew Mergellus albellus has established a breeding population of minimum 15 pairs on the coastal islands in Vikna municipality (65° N, 11° E) in Central Norway. As a result, the current breeding ... -
Wildlife Camera Monitoring Revealed the Northern Goshawk as a Predator on Gyrfalcon Nestlings
Moen, Børje Cato; Kroglund, Rolf Terje; Østnes, Jan Eivind; Nilsen, Erlend Birkeland; Nygård, Torgeir (Peer reviewed; Journal article, 2023)Accipiter gentilis; Falco rusticolus; intraguild predation; nestling; nocturnal foraging; predation.