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Bayesian Population Viability Analysis for Lynx and Wolverine in Scandinavia
Responsible organisation
2018 (English)Report (Other academic)
Abstract [en]

This report presents the results from a demographic population viability analysis, combined with sensitivity analysis, for the lynx (Lynx lynx) and wolverine (Gulo gulo) in Scandinavia under alternative management scenarios using Bayesian integrated population models. In Sweden, the population growth of both species was sensitive to the individuals’ propensity to disperse to Norway, and also to female survival and recruitment rate. Main drivers of the viability were the choice of harvest strategy, dispersal rates to Norway and the resultant potential for source-sink dynamics, plus the amount of underreported and unknown cryptic poaching.

Abstract [sv]

Rapporten redovisar resultaten från en demografisk sårbarhetsanalys, kombinerad med känslighetsanalys, av lodjur och järv i Skandinavien under olika förvaltningsscenarier, där Bayesian integrerade populationsmodeller användes. I Sverige påverkas populationstillväxten hos arterna mycket av individernas benägenhet att emigrera från Sverige till Norge, och av honornas överlevnad till vuxen ålder och som vuxna. Huvudfaktorerna för stammarnas livskraft bedöms vara valen av förvaltningsstrategi i de båda länderna, de båda arternas spridning till Norge och den ”source-sink”-dynamik som de kan orsaka, plus mängden illegal jakt.

Abstract

Rapporta čilge bohtosiid demográfalaš hearkkesvuođaanalysas, ovttas rašesvuođaanlysas, albasiin ja getkkiin Skandinávas sierra hálddahusgovahallamiiguin, gos Bayesian integrerejuvvon populašuvdnašaddan geavahuvvui. Ruoŧas populašuvdnašaddan šlájain sakka váikkuhuvvo indiviiddaid tendeanssas emigreret Ruoŧas Norgii, ja ciikkuid birgen ráves ahkái ja rávvásiin. Váldofáktorat máddagiid eallinfápmui árvvoštallo leahkit hálddahusstrategiija válljen goappaš riikkain, goappaš šlájaid leavvan Norgii ja ”sourcesink”– dynamihka man sáhttá dagahit, ja vel man ollu lobihis bivdu lea.

Place, publisher, year, edition, pages
Stockholm: Naturvårdsverket, 2018. , p. 119
Series
Rapport / Naturvårdsverket, ISSN 0282-7298
Keywords [en]
lynx, wolverine, game management, Scandinavia
Keywords
albasiin, getkkiin, Skandinávias
Keywords [sv]
lodjur, järv, viltvård, Skandinavien
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:naturvardsverket:diva-8544ISBN: 978-91-620-6793-9 (print)OAI: oai:DiVA.org:naturvardsverket-8544DiVA, id: diva2:1465438
Available from: 2020-09-09 Created: 2020-09-09 Last updated: 2020-09-09

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Environmental Sciences

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CiteExportLink to record
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Citation style
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