Sökning: "economical rotation age"

Hittade 5 uppsatser innehållade orden economical rotation age.

  1. 1. Appropriate experimental design and pre-commercial thinning regime in Norway spruce stands on former agriculture lands in Latvia

    Master-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Aksels Edgars Loks; [2020]
    Nyckelord :management regime; heureka; randomized complete block design; density; economical rotation age; land expectation value;

    Sammanfattning : Recent decades Latvian land usage has change and lot of unused agricultural lands has been reforested. These areas show difference by increased growth from typical forest land, because of this trait stands need different silvicultural treatments, implementation time and intensity. LÄS MER

  3. 2. Economic and production consequences of current forest management in mature Scots pine (Pinus sylvestris) forests in Lithuania

    Master-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Rokas Šatinskas; [2019]
    Nyckelord :National Forest Inventory; Pinus sylvestris; thinning; rotation lenght; alternatives; economic consequences;

    Sammanfattning : Forestry takes up a major part in the economy of Northern Europe countries. The aim of this work is to evaluate the economic and production consequences in Scots pine (Pinus sylvestris) stands in Lithuania based on the data of the National Forest Inventory (NFI). Scots pine stands cover the biggest area of Lithuanian forests. LÄS MER

  4. 3. Luftvägssjukdomar bland konventionella och ekologiska slaktgrisar

    Kandidat-uppsats, SLU/Dept. of Animal Nutrition and Management

    Författare :Louise Lundahl; [2015]
    Nyckelord :luftvägssjukdom; hälsa; slaktgris; spolmask; SEP;

    Sammanfattning : Luftvägssjukdomar är ett av de största hälsoproblemen bland dagens slaktgrisar. Problemet har ökat i takt med att besättningsstorlekarna och därmed smittrycket har ökat. Spolmask i närvaro av en ett annat smittämne som till exempel Mycoplasma hypneumoniae kan orsaka luftvägssjukdomar. LÄS MER

  5. 4. Opportunity costs of forest set-asides in Poland : a case study of Sulechow Forest District

    Master-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Piotr Lysiak; [2009]
    Nyckelord :nature conservation ; soil expectation value; forest holding value; opportonity cost; set aside forest areas; Poland ;

    Sammanfattning : Due to the world’s increasing scarcity of different dimensions of biodiversity there is a constant need for finding the right balance between economical concerns and nature conservation in forestry. The management of natural resources requires a good assessment of the productive stand value as well as costs of forgone opportunity. LÄS MER

  7. 5. Economic analysis of coniferous silviculture in Poland : profitability comparison between Poland and Lithuania

    L3-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Aleksandra Bis; [2009]
    Nyckelord :cash flow analysis; NPV; IRR; discount rate; pine; spruce;

    Sammanfattning : Cash flow analysis from pine and spruce stands on I and II site index was made basing on data collected from three Polish forestry districts. Data obtained from districts allowed to calculate NPV, IRR and FR economical indicators for the years 2001 and 2006. Economic outcomes were calculated by discounting costs and incomes with 3% discount rate. LÄS MER