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Pregled metod štetja kupčkov iztrebkov za ocenjevanje številčnosti rastlinojedih parkljarjev = Review of faecal pellet-group count methods for estimating deer numbersKavčič, Irena, biologinja, 1981- ; Pokorny, Boštjan ; Jerina, Klemen, 1973-Poznavanje številčnosti in lokalnih gostot populacij rastlinojedih parkljarjevje pomembno pri reševanju številnih upravljavskih in temeljno-bioloških vprašanj. Po svetu se za ocenjevanje številčnosti ... parkljarjev pogosto uporabljajo metode štetja kupčkov iztrebkov, ki pa so pri nas ostale več ali manj prezrte. Z namenom spodbujanja njihove rabe smo pripravili celosten pregled metod s priporočili za Slovenijo. Uveljavljena stadva načina izvedbe, t.j. s predhodnim čiščenjem in brez čiščenja kupčkov iztrebkov; pri slednjem moramo oceniti tudi čas razgradnje iztrebkov, ki se lahko med mikrohabitati in letnimi časi močno spreminja, zato tega načina ne priporočamo. Vzorčenje lahko poteka na vzorčnih ploskvah različnih oblik in velikosti ali z metodo linijskega transekta; izbira konkretne metode je odvisna od pričakovane gostote parkljarjev in preglednosti terena, ki pogojujemožnost zaznavanja iztrebkov. Zaradi heterogenosti habitatov je raziskovalno območje priporočljivo predhodno stratificirati po habitatni primernosti glede na pričakovane gostote parkljarjev. Stopnje iztrebljanja (t.j. število izločenih kupčkov iztrebkov / dan) se znotraj vrst spreminjajo glede na letni čas, spol in starost živali, vendar zaradi primerljivosti rezultatov svetujemo uporabo konstantnih stopenj (za jelenjad 25 in za srnjad 20 kupčkov iztrebkov) ter večkratno ponovitev vzorčenja v različnih letnih časih, s čimer pokrijemo sezonske razlike v rabi prostora. Na natančnost rezultatov vplivata predvsem priprava in izvedba vzorčenja, zato je treba tej fazi dela posvetiti veliko pozornost.Source: Zbornik gozdarstva in lesarstva = Research reports : forest and wood science & technology. - ISSN 0351-3114 (Št. 91, 2010, str. 31-42)Type of material - article, component part ; adult, seriousPublish date - 2010Language - slovenianCOBISS.SI-ID - 1064662
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source: Zbornik gozdarstva in lesarstva = Research reports : forest and wood science & technology. - ISSN 0351-3114 (Št. 91, 2010, str. 31-42)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kavčič, Irena, biologinja, 1981- | 32896 |
Pokorny, Boštjan | 18112 |
Jerina, Klemen, 1973- | 22515 |
Source: Personal bibliographies
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