Essays about: "economical rotation age"

Found 5 essays containing the words economical rotation age.

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

    University essay from SLU/Southern Swedish Forest Research Centre

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

    Abstract : 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. READ MORE

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

    University essay from SLU/Southern Swedish Forest Research Centre

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

    Abstract : 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. READ MORE

  3. 3. Luftvägssjukdomar bland konventionella och ekologiska slaktgrisar

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Louise Lundahl; [2015]
    Keywords : luftvägssjukdom; hälsa; slaktgris; spolmask; SEP;

    Abstract : 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. READ MORE

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

    University essay from SLU/Southern Swedish Forest Research Centre

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

    Abstract : 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. READ MORE

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

    University essay from SLU/Southern Swedish Forest Research Centre

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

    Abstract : 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. READ MORE