Rissepareringens effekter på viltets nyttjandegrad av GROT
Successful forest regeneration is a prerequisite for sustainable forest management. Therefore, it is important to prevent browsing damage on the commercially important tree species Scots pine. In this study I have tested a new alternative way to increase the available amount of forage and increase t...
| Autor principal: | |
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| Formato: | Second cycle, A2E |
| Lenguaje: | sueco sueco |
| Publicado: |
2014
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| Acceso en línea: | https://stud.epsilon.slu.se/7184/ |
| _version_ | 1855571139719331840 |
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| author | Rehmberg, David |
| author_browse | Rehmberg, David |
| author_facet | Rehmberg, David |
| author_sort | Rehmberg, David |
| collection | Epsilon Archive for Student Projects |
| description | Successful forest regeneration is a prerequisite for sustainable forest management. Therefore, it is important to prevent browsing damage on the commercially important tree species Scots pine. In this study I have tested a new alternative way to increase the available amount of forage and increase the use of these resources by especially moose. The method is based on a slash treatment at harvest, where the accessibility of slash as forage is increased during final felling or commercial thinning by gathering the slash and putting the Scots pine slash on top of the slash piles. This study has compared the availability of forage, the amount of browsed biomass and the number of fecal pellet groups between conventional and slash treated stands after final felling and commercial thinning in southern Sweden. My study could not show any positive effects of the slash treatment on the browsed biomass or pellet group numbers. However, the browsed biomass and number of pellet groups counted in the commercial thinning stands were significantly higher than in the final felling stands. Possible explanations for the results are that the total available forage biomass was not different between the treatments, which would be an indication of that the treatment was not performed well enough. Even though the slash treatment did not change the habitat choice of the moose in this study, it could be that improvements in the slash treatment and choice of objects could actually influence moose forage behavior. |
| format | Second cycle, A2E |
| id | RepoSLU7184 |
| institution | Swedish University of Agricultural Sciences |
| language | Swedish swe |
| publishDate | 2014 |
| publishDateSort | 2014 |
| record_format | eprints |
| spelling | RepoSLU71842014-09-01T09:56:47Z https://stud.epsilon.slu.se/7184/ Rissepareringens effekter på viltets nyttjandegrad av GROT Rehmberg, David Forest injuries and protection Animal ecology Successful forest regeneration is a prerequisite for sustainable forest management. Therefore, it is important to prevent browsing damage on the commercially important tree species Scots pine. In this study I have tested a new alternative way to increase the available amount of forage and increase the use of these resources by especially moose. The method is based on a slash treatment at harvest, where the accessibility of slash as forage is increased during final felling or commercial thinning by gathering the slash and putting the Scots pine slash on top of the slash piles. This study has compared the availability of forage, the amount of browsed biomass and the number of fecal pellet groups between conventional and slash treated stands after final felling and commercial thinning in southern Sweden. My study could not show any positive effects of the slash treatment on the browsed biomass or pellet group numbers. However, the browsed biomass and number of pellet groups counted in the commercial thinning stands were significantly higher than in the final felling stands. Possible explanations for the results are that the total available forage biomass was not different between the treatments, which would be an indication of that the treatment was not performed well enough. Even though the slash treatment did not change the habitat choice of the moose in this study, it could be that improvements in the slash treatment and choice of objects could actually influence moose forage behavior. En lyckad skogsföryngring är en förutsättning för ett hållbart skogsbruk. Det är därför viktigt att kunna förebygga betesskador i tallungskog. Denna studie har testats ett nytt sätt att öka fodermängden i skogen och samtidigt öka nyttjandegraden av dessa resurser av främst älg, med hjälp av så kallad risseparering. Metoden går ut på att öka tillgängligheten av avverknings- och gallringsrester genom att samla ihop det och placera tallriset längst upp på rishögen. Denna studie jämför tillgängligheten, betning och antal spillningshögar mellan sådana risseparerade och konventionell avverkade eller gallrade områden i södra Sverige. Min studie kunde inte visa några positiva effekter av rissepareringsbehandlingen på den betadekvist biomassan eller antal spillningshögar. Den betade kvistbiomassan och antal spillningshögar var dock betydligt högre i de gallrade bestånden än i slutavverkningsområdena. Möjliga orsaker till resultaten kan vara att utförandet av rissepareringsåtgärden inte var optimalt, vilket visade sig i att den tillgängliga kvistbiomassan inte var högre än på de konventionella behandlade områdena. Även om rissepareringsåtgärden inte har ändrat älgens val av habitat, så är det möjligt att förbättringar i utförandet och val av objekt skulle kunna påverka älgens val av betesområden med hjälp av risseparering. 2014-08-20 Second cycle, A2E NonPeerReviewed application/pdf sv https://stud.epsilon.slu.se/7184/11/rehmberg_d_140820.pdf Rehmberg, David, 2014. Rissepareringens effekter på viltets nyttjandegrad av GROT. Second cycle, A2E. Umeå: (S) > Dept. of Wildlife, Fish and Environmental Studies <https://stud.epsilon.slu.se/view/divisions/OID-251.html> urn:nbn:se:slu:epsilon-s-3652 swe |
| spellingShingle | Forest injuries and protection Animal ecology Rehmberg, David Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title | Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title_full | Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title_fullStr | Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title_full_unstemmed | Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title_short | Rissepareringens effekter på viltets nyttjandegrad av GROT |
| title_sort | rissepareringens effekter på viltets nyttjandegrad av grot |
| topic | Forest injuries and protection Animal ecology |
| url | https://stud.epsilon.slu.se/7184/ https://stud.epsilon.slu.se/7184/ |