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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Att prognostisera avverkningspotentialen i privatskogsbruket

Pers, Catarina January 2007 (has links)
For the actors in the Swedish forest industry, it is important to have the ability to forecast the state in the private forests. The information that comes out of the forecasts will be the base for the activities strategic direction. The aim in this exam is to survey what information that is present today as basis for forecast calculation, and even to examine what other possibilities it might have in the future. From a limited geography and out of different time perspective forecast the felling potential in the private forestry. With the word felling potential means regeneration felling and thinning. The exam will answer the questions: What information is needed to build a relevant forecast model? Is this information available today? Is there information to buy that would improve the forecast model? The result of this exam will be presented in form of a ”case study” showing the opportunities in the market to create a forecast calculation of felling potential in the private forestry within the Forest Owners’ Association Mellanskogs wood-area Dalarna.
2

Att prognostisera avverkningspotentialen i privatskogsbruket

Pers, Catarina January 2007 (has links)
<p>For the actors in the Swedish forest industry, it is important to have the ability to forecast the state in the private</p><p>forests. The information that comes out of the forecasts will be the base for the activities strategic direction.</p><p>The aim in this exam is to survey what information that is present today as basis for forecast calculation, and</p><p>even to examine what other possibilities it might have in the future.</p><p>From a limited geography and out of different time perspective forecast the felling potential in the private</p><p>forestry.</p><p>With the word felling potential means regeneration felling and thinning. The exam will answer the questions:</p><p>What information is needed to build a relevant forecast model?</p><p>Is this information available today?</p><p>Is there information to buy that would improve the forecast model?</p><p>The result of this exam will be presented in form of a ”case study” showing the opportunities in the market to</p><p>create a forecast calculation of felling potential in the private forestry within the Forest Owners’ Association</p><p>Mellanskogs wood-area Dalarna.</p>
3

Skogsbruksskador på fossil åkermark : fältinventering av beviljade föryngringsavverkningar i Kristianstad kommun, Skåne

Neuwirth, Anton January 2021 (has links)
Detta examensarbete tar sin utgångspunkt i de beslut som beviljades för föryngringsavverkning med områden av fossil åkermark av Länsstyrelsen Skåne under 2018. En föryngringsavverkning får inte göras utan att man tar hänsyn till natur, forn- och kulturlämningar samt friluftsliv. I 1 kap 1§ KML (SFS 1988:950) beskrivs att det är en nationell angelägenhet att vårda och bevara kulturmiljöer. Utifrån 2 kap 1§ 2st. KML (SFS 1988:950) är en fornlämning alla lämningar efter människans verksamhet i landskapet under forna tider, en fornlämning ska även vara varaktigt övergiven och tillkommit efter äldre tiders bruk. Studiens syfte har varit att i fält kontrollera om hänsyn har tagits till fossil åkermark utifrån Länsstyrelsen Skånes beslut för föryngringsavverkning i Kristianstad kommun. För denna studie besöktes 27 av de 31 inkomna ärenden under 2018. Vid inventeringen observerades det skada på 30% vilket återspeglar det nationella resultatet för 2018 som redovisas av Skogsstyrelsen där 35% av fornlämningarna var skadade. Detta är oroväckande för bevarandet av den fossila åkermarken. Samt att tillsynsmyndigheten, Länsstyrelsen Skåne län, inte följt upp dessa och därmed inte bevakar att lagstiftningen följs vid föryngringsavverkningar.
4

Naturhänsyn vid föryngringsavverkningar : En jämförelse mellan certifierade och o-certifierade hyggen / Nature conservation in regeneration fellings : A comparison between certified and non-certified forest clearings

Rylander, Anna January 2015 (has links)
A growing number of Swedish forest owners are choosing to certify their forestry. However, there appears to be a lack of field surveys which describe differences between certified and non-certified forests concerning the degree of completed environmental considerations. In order to know to what extent certified forests contribute towards improved environmental consideration, we need studies on how large the difference is in relation to non-certified forests. Differences between certified and non-certified forest clearings were quantified through an inventory of the number of retention trees, dead trees and snags. The result showed that the retained number of the investigated parameters varied greatly between individual clearings, regardless of certification status. However, the results suggested that the certified clearings had an average higher incidence ofthe investigated parameters. In comparison to statistics of southern Sweden's average, the results also suggested that the certified clearings (from the county “Blekinge”) most of the time had a higher incidence of the investigated parameters, while the non-certified clearings most of the time had a lower incidence of the investigated parameters. The environmental considerations on neither the certified nor the non-certified clearings were found to be near the highest amount that could be required by the Swedish forestry act. This observation is interesting, especially since the certified clearings would be expected to maintain a consistently high level in relation to the law requirement.

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