Blar i Artikler, rapporter og annet (FBA) på forfatter "Østnes, Jan Eivind"
-
A survey and GIS-based estimate of the breeding population of Great Snipe Gallinago media in Central Norway
Østnes, Jan Eivind; Kroglund, Rolf Terje; Kålås, John Atle (Journal article, 2014)Capsule By using a GIS-model to identify suitable breeding habitats for Great Snipe in Central Norway, we estimated a total of 276 leks holding approximately 2700 males. Aim To estimate the size of the Great Snipe population ... -
Migratory patterns of Ospreys (Pandion haliaetus) from central Norway
Østnes, Jan Eivind; Kroglund, Rolf Terje; Kleven, Oddmund; Nygård, Torgeir (Peer reviewed; Journal article, 2019)Migratory behaviour is subject to intraspecific variation and may be determined by the age, sex and population origin of individuals. Here we equipped eight juvenile Ospreys (Pandion haliaetus) with GPS-based satellite-t ... -
Per- and poly-fluoroalkyl substances in Tawny Owl (Strix aluco) feathers from Trøndelag, Norway
Zhang, Junjie; Jaspers, Veerle L. B.; Røe, Jonas; Castro, Gabriela; Kroglund, Ingvild B.; Gonzalez, Susana Villa; Østnes, Jan Eivind; Asimakopoulos, Alexandros G. (Peer reviewed; Journal article, 2023) -
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) -
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.