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Časovna dinamika pojavljanja poškodb na travinju nastalih zaradi ritja divjega prašiča (Sus scrofa L., Suidae) na ekološki kmetiji
Ogorelec, Miha (Author), Trdan, Stanislav (Mentor) More about this mentor... This link opens in a new window, Vidrih, Matej (Co-mentor)

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Abstract
V Sloveniji povzroči divji prašič (Sus scrofa) 60 % vse škode nastale s strani divjadi, od tega več kot polovico z ritjem na travnikih in pašnikih. Z ritjem najde energijsko bogate korenike in gomolje ter razne žuželke in deževnike. Z obračanjem travne ruše zmanjša pridelek in povzroči kmetu dodatne stroške s saniranjem razritin. Glavni cilj naloge je bil na izbrani kmetiji preučiti dinamiko pojavljanja škode na travinju, nastalih zaradi ritja divjega prašiča. Poskus smo izvajali na ekološki govedorejski kmetiji Senekovič v vasi Kačji Potok na Kočevskem. V okolici kmetije smo za naš poskus izbrali dva pašnika velikosti 5 ha in 4 ha. Pojavljanje poškodb na travinju smo spremljali 8 mesecev, od 17. 4. 2018 do 24. 11. 2018, in sicer od dvakrat do trikrat na mesec. Testirali smo metodo določevanja obsega (površine) poškodb z analizo fotografij posnetih z dronom, spremljali smo kako se obnavlja travna ruša na razritih območjih in izvedli izkop deževnikov na razritih in nerazritih območjih. Ugotovili smo, da so spomladi in jeseni divji prašiči največ rili, junija in julija pa razritin ni bilo. Metoda popisovanja poškodb zaradi ritja divjega prašiča z analizo fotografij, posnetih z dronom, se je izkazala za nenatančno aprila, ko je bila trava še v zgodnjih razvojnih fazah in za natančno maja, ko je bila trava že bolj razvita. Pri izkopu deževnikov v aprilu je bilo več deževnikov na območjih, kjer so prašiči rili, kot na območjih, kjer prašiči niso rili. Jeseni tega nismo dokazali. S Shannonovim indeksom rastlinske pestrosti nismo ugotovili statistično značilnih razlik med razritimi in nerazritimi območji.

Language:Slovenian
Keywords:divji prašič, Sus scrofa, škoda, ritje na travinju, deževniki, brezpilotni letalnik, obnova travne ruše, sestava travne ruše
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Year:2019
Publisher:[M. Ogorelec]
UDC:632.69:639.111.1:639.1.058:633.2(043.2)
COBISS.SI-ID:9328761 Link is opened in a new window
Views:971
Downloads:104
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Secondary language

Language:English
Title:Temporal dynamics of wild boar (Sus scrofa L., Suidae) damage caused by rooting permanent grasslands on organic farm
Abstract:
In Slovenia, wild boar (Sus scrofa) accounts for 60 % of all damage caused by the game, of which more than half is caused by its rooting in meadows and pastures. With rooting it finds energy reach rhizomes, tubers and edaphones like insects and earthworms. By turning grass sward it reduces the crop and causes the farmer additional costs by repairing pits. The main objective of the study was to define the dynamics of damage occurrence on the grassland caused by wild boar rooting on the selected farm. In the vicinity of the farm, two pastures measuring 5 ha and 4 ha were selected for our experiment. The occurrence of damage on grassland was monitored two to three times a month, for a period of 8 months, from 17.4. 2018 to 24.11. 2018. We tested the method of determining the area of damage by analyzing photos taken with a drone, we monitored how grass sward is recovered in the rooted areas, and we performed excavation of earthworms in the rooted and non-rooted areas. We found that in the spring and autumn the wild boars rooted the most, whereas in June and July no rooting was present. The method of enumerating damage due to wild boar by analyzing drone photographs turned out to be inaccurate in April when the grass was in its early stages of development. On the other hand, in May, when the grass was already more developed, this method was more accurate. In April, there were more earthworms in the areas where the boars rooted than in the areas where the boars did not root. Anyhow, in the autumn we did not observe differences. With the Shannon diversity index, we found no statistically significant differences between plant species of the rooted and non-rooted areas.

Keywords:wild boar, Sus scrofa, damage, grassland rooting, earthworms, drone, grassland renovation, grass sward composition

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