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Reconstruction of brown bear population dynamics in Slovenia in the period 1998-2019 : a new approach combining genetics and long-term mortality data = Rekonstrukcija populacijske dinamike rjavega medveda v Sloveniji v obdobju 1998-2019 : nov pristop na osnovi genetskih ocen in dolgoletnega niza podatkov o smrtnostiJerina, Klemen, 1973- ; Ordiz, AndrésZa upravljanje in ohranjanje populacij prostoživečih živali so potrebni zanesljivi podatki in metode za ocenjevanje njihove številčnosti. Ugotavljanje številčnosti je pri večini vrst drago in ... zahtevno, zato ga ni mogoče pogosto izvajati. V članku predstavljamo nov pristop, ki smo ga pripravili na primeru rekonstrukcije populacijske dinamike rjavega medveda v Sloveniji v obdobju 1998-2019. Pristop temelji na kombinaciji dveh ocen njegove številčnosti z neinvazivnimi genetskimi metodami (v letih 2007 in 2015) in dolgoletnega niza podatkov monitoringa smrtnosti. Ocena 'pomladanske' (t.j. največje letne - po poleganju mladičev) številčnosti rjavega medveda v Sloveniji za leto 1998 znaša 383 (CI: 336-432), za leto 2019 pa 971 osebkov (CI: 825-1161). Povprečna letna stopnja rasti populacije je bila v tem obdobju 4,5 %. Modelno ocenjena številčnost populacije se je od ugotovljene z genetsko metodo po osmih letih razlikovala le za 7 %, kar nakazuje, da je pristop zanesljiv oz. so njegovi rezultati za upravljavske namene dovolj kakovostni. Pristop omogoča tudi napovedovanje prihodnje populacijske dinamike pri različnih scenarijih upravljanja in okvirno ocenjevanje ključnih populacijskih parametrov, kot so spolna in starostna sestava, relativna rodnost in naravna smrtnost populacije. Pristop je uporaben tudi za več drugih populacij in živalskih vrst, vendar so zanj potrebni zanesljivi dolgoletni podatki o smrtnosti.Source: Acta Silvae et Ligni. - ISSN 2335-3112 ([Št.] 124, 2021, str. 29-40)Type of material - article, component partPublish date - 2021Language - englishCOBISS.SI-ID - 57402115
Author
Jerina, Klemen, 1973- |
Ordiz, Andrés
Topics
genetske ocene številčnosti populacij |
podatki smrtnosti |
monitoring populacij |
številčnost populacije |
napovedno modeliranje |
rjavi medved |
genetic estimates of population size |
mortality records |
population monitoring |
population size |
predictive modelling |
brown bear
| Author | Jerina, Klemen, 1973- ; Ordiz, Andrés |
| Title | Reconstruction of brown bear population dynamics in Slovenia in the period 1998-2019 : a new approach combining genetics and long-term mortality data = Rekonstrukcija populacijske dinamike rjavega medveda v Sloveniji v obdobju 1998-2019 : nov pristop na osnovi genetskih ocen in dolgoletnega niza podatkov o smrtnosti |
| Publication date | |
| COBISS.SI-ID | 57402115 |
| Publication version in repository | Publisher's version |
| Publication licence | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International |
| Embargo | Unidentified |
Project(s) from which the publication was funded
| Title | Acronym | Project ID | Funder |
|---|---|---|---|
| Razvoj sodobnih metodoloških pristopov za preučevanje vedenja prostoživečih živali: raziskave nastanka problematičnih medvedov v kontrastnih okoljih Evrope | J4-7362-2016 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
| Gozd, gozdarstvo in obnovljivi gozdni viri | P4-0059-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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| Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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| Jerina, Klemen, 1973- | 22515 |
| Ordiz, Andrés | ![]() |
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