Sampling concepts The essential items to know about a sampling technique are the calculation of the mean volume and the standard error or mean. Means are necessary for computing the totals, and standard error is necessary for computing the precision of the inventory. Simple random sampling The simplest sampling technique is random sampling without stratification
Welcome- Themes
- Introduction to forest-based bioeconomy
- Wood products
- Natural fibre products
- Man-made bio-based fibre products
- Bio-based nanomaterials
- Recycled fibre
- Pulping and biorefining
- Energy and biofuels
- Biomass chemistry and physiology
- Material testing and product properties
- Forests and other biomass resources
- Supply chain
- Process control and automation
- Asset management
- Business and investment planning
- Environmental control and management
- Learning paths
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Sampling concepts
Content
Forests and other biomass resources
- Introduction to biomass resources
- Trees, forest and forest ecosystems
- Global forest resources
- Structure and properties of wood and woody biomass
- Forest inventory and planning
- Management of forest ecosystems
- Forest production in ecological context
- Regeneration through natural seeding
- Regeneration through planting
- Genetic improvement of trees for forest plantations
- Management of growing and developing forest over time
- Spacing and thinning affecting availability of resources
- Thinning regimes and rules
- Management of sequestrate carbon and adaptation to climate change
- Management for improving timber quality
- Management of nutrient resources and site fertility
- Management of abiotic risks
- Management of biotic risks
- Characteristics of pest outbreaks
- Resistance mechanism of trees against herbivores and pathogens
- Induced defence
- Models explaining variation in chemical defence between plants
- Biological control in pest management
- Effects of forest management and structure on forest pests
- Climate change and forest damaged related to pests and herbivory
- Management of forests for sequetration carbon in carbon mitigating warming
- Carbon stocks in trees and soil
- Carbon balance in managed forests
- Carbon retentation in forest ecosystems and forest-based prodcution
- *Mitigating radiative forcing in forestry and forest-based production
- *Mitigating radiative forcing in management
- * Radiative forcing related to carbon in ecosystem
- * Impacts of replacing fossil fuels and fossil materials on radiative forcing
- Management for adaptation to climate change
- Timber procurement
- Timber assortments
- Harvest and timber transport
- Harvesting woody biomass for energy
- Opening forest areas for logging by consturcting roads
- Storing timber
- Organising and planning harvesting operations
- Harvesting in industrial plantations
- Damage to timber
- Environmental impacts of timber harvesting
- Timber trade
- Timber measurement
- Wood markets and cost of wood
- Global forest related policies and governance
Authors & references
Author:
Timo Pukkala
Videos
Exercises
This page has been updated 06.07.2022
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