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Title:Vpliv prostoživečih velikih rastlinojedov na travniške ekosisteme
Authors:ID Al Sayegh-Petkovšek, Samar (Author)
ID Pokorny, Boštjan (Author)
ID Firm, Dejan (Author)
ID Jerina, Klemen (Author)
Files:.pdf PDF - Presentation file, download (441,50 KB)
MD5: 64B79539C23E0BE160075DEDB95E1B3F
 
Language:Slovenian
Typology:1.02 - Review Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:Velike prostoživeče rastlinojede uvrščamo med ključne vrste kopenskih ekosistemov, saj neposredno in posredno vplivajo na številne druge skupine organizmov in na zgradbo ter delovanje celotnih ekosistemov. Veliki rastlinojedi s prehranjevanjem, teptanjem, uriniranjem in iztrebljanjem prerazporejajo hranila, vplivajo na zbitje, prezračenost in erozijo tal, razširjajo rastlinska semena ter pogosto povečujejo raznovrstnost travniških ekosistemov, še zlasti v produktivnih travniških ekosistemih, na primer v zmernem podnebju Evrope. Številčnost in prostorska razširjenost večine vrst prostoživečih prežvekovalcev narašča v večjem delu Evrope, vključno s Slovenijo. Na posameznih, prostorsko omejenih lokacijah se povečujejo težave (npr. izgube travniške krme na travinju) predvsem zaradi paše jelenjadi (Cervus elaphus L.). Deli Notranjske in Kočevske se hitro zaraščajo, hkrati so to območja z največjimi gostotami jelenjadi, kar povečuje njene pritiske na preostale travnike in pašnike, zlasti tiste, ki so intenzivneje gnojeni. Slednje se zlasti med oškodovanci (kmetovalci) pogosto poudarja kot pomembna škoda zaradi izgube v pridelavi travniške krme. Vendar lahko parkljarji vplivajo na gospodarsko donosnost travinja tudi posredno, in sicer z oblikovanjem vrstne sestave travišč ter spreminjanjem produktivnosti tal. Za celostno upravljanje je treba poznati tudi njihove neposredne in posredne ekološke vplive in pomene. V članku smo zato pripravili pregled domačih in tujih raziskav neposrednih in posrednih vplivov prostoživečih velikih rastlinojedov na travniške ekosisteme.
Keywords:prostoživeči rastlinojedi parkljarji, jelenjad, paša, škode na traviščih, ekološki vplivi
Year of publishing:2015
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:str. 1-10
Numbering:Vol. 108
UDC:630*45:633.2
ISSN on article:2335-3112
URN:URN:NBN:SI:doc-QT8K8592
DOI:10.20315/ASetl.108.1 New window
COBISS.SI-ID:4356774 New window
Note:Besedilo v slov.;
Publication date in DiRROS:12.07.2017
Views:3187
Downloads:1508
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Record is a part of a journal

Title:Acta Silvae et Ligni
Publisher:Gozdarski inštitut Slovenije, založba Silva Slovenica
ISSN:2335-3112
COBISS.SI-ID:266761216 New window

Secondary language

Language:English
Title:Impact of free-ranging large herbivores on grassland ecosystems
Abstract:Free-ranging large herbivores are keystone species in terrestrial ecosystems, and have an important ecological role by affecting both the structure and the function of plant communities and other groups of organisms. Large herbivores often increase plant diversity especially in more productive grasslands such as temperate grasslands in Europe. Additionally, other important effects of ruminants are redistribution of nutrients by feeding and subsequent excretion of urine and dung, soil compaction and erosion via trampling and dispersal of seeds, respectively. In Europe, populations of several ruminants species are increasing both in number and geographical distribution, and problems connected with effects of grazing of red deer (Cervus elaphus L.) on grassland in some locations in Slovenia have been increasing as well. Several areas of the Inner Carniola and Kočevje regions have been overgrown with forest, and these areas have the highest density of red deer. Therefore, the pressure of red deer on the remaining grasslands is increasing and may cause important economic loss for land owners. Ungulates can affect the economic profitability of grasslands also indirectly, through the impact on species composition of grasslands and by altering the overall productivity of soil. For proper management of their populations both direct and indirect ecological impacts and value of free-ranging ungulates have to be known. Therefore, an overview of foreign and Slovene studies related to the impacts of free-ranging ruminants on grassland ecosystems is presented in the paper.


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