course review fore 3218 course review sampling inventories growth and yield

Course ReviewFORE 3218

Course ReviewCourse Review

SamplingSampling InventoriesInventories Growth and yield Growth and yield


Course IntroductionCourse Introduction

What are forest measurements?What are forest measurements? Why measure forest resources?Why measure forest resources? What are the types and scales of What are the types and scales of

measurements? Can you identify them? measurements? Can you identify them?


Statistical MethodsStatistical Methods

Bias, accuracy, and precisionBias, accuracy, and precision Calculating probabilitiesCalculating probabilities Population vs samplePopulation vs sample Parameter and variableParameter and variable Meaning and types of frequency distributionMeaning and types of frequency distribution Measures of average population variables; Measures of average population variables;

Know to calculate themKnow to calculate them Measures of dispersion and their calculationsMeasures of dispersion and their calculations Meaning and calculation of confidence limitsMeaning and calculation of confidence limits


Elementary samplingElementary sampling

Why sampling?Why sampling? Definitions of sample, sampling unit, and sampling Definitions of sample, sampling unit, and sampling

frameframe Advantages and disadvantages of selective, simple Advantages and disadvantages of selective, simple

random, and systematic sampling methodsrandom, and systematic sampling methods Procedures of a simple random samplingProcedures of a simple random sampling How to estimate population parameters from a simple How to estimate population parameters from a simple

random sample? random sample? Sampling intensity? How to determine and what are the Sampling intensity? How to determine and what are the

factors influencing its determination?factors influencing its determination? Why systematic sampling? Why systematic sampling?


Stratified random samplingStratified random sampling

How is it similar to and different from simple How is it similar to and different from simple random sampling? random sampling?

Why, when, and how do we use it? Why, when, and how do we use it? How to calculate the mean, measures of How to calculate the mean, measures of

dispersion, and confidence limit from a stratified dispersion, and confidence limit from a stratified random sample? random sample?


Regression and ratio estimationRegression and ratio estimation

What is regression?What is regression? What are the meaning of b0 and b1 in a linear What are the meaning of b0 and b1 in a linear

regression?regression? How do you measure the fit of a regression?How do you measure the fit of a regression? Purpose of regression estimation as a sampling Purpose of regression estimation as a sampling

method? When can we use it?method? When can we use it? How regression estimation is compared with How regression estimation is compared with

simple random sampling?simple random sampling? Meaning of ratio estimation?Meaning of ratio estimation?


SamplingSampling

Elementary sampling Elementary sampling methods: methods: – selective, simple random, selective, simple random,

and systematicand systematic

Stratified random Stratified random samplingsampling

Regression and ratio Regression and ratio estimationestimation

Double sampling, cluster, Double sampling, cluster, and sampling for discrete and sampling for discrete variablesvariables

What are their What are their characteristics?characteristics?

Can you calculate simple Can you calculate simple statistics? statistics? – mean and dispersionmean and dispersion– sample size determinationsample size determination

Can you give some Can you give some examples? examples?


InventoriesInventories

Why do we do inventories? Why do we do inventories? What are the types of inventories, how are they What are the types of inventories, how are they

different?different? What does inventory planning involve?What does inventory planning involve? What is Ontario Forest Resource Inventory for? What is Ontario Forest Resource Inventory for?

How is it done?How is it done?


Inventory with fixed-area plots or stripsInventory with fixed-area plots or strips

Line-plot system cruisingLine-plot system cruising– How is done? How is done? – Can you determine line distance or space between Can you determine line distance or space between

plots with known sampling density?plots with known sampling density?

Permanent sample plotsPermanent sample plots– What is it for?What is it for?– How is normally done?How is normally done?– Why do not we establish more PSPs?Why do not we establish more PSPs?


Inventory with point samplesInventory with point samples

What are factors What are factors affecting the probability affecting the probability of tallying a tree? of tallying a tree?

Basal area factor (BAF)Basal area factor (BAF)– What is it? What is it? – What affects the BAF of a What affects the BAF of a

prism? prism? – How could you determine How could you determine

the BAF of a prism?the BAF of a prism? Plot radius factorPlot radius factor

– What does it mean? What does it mean? – How can it be calculated?How can it be calculated?

Why each tallied tree Why each tallied tree represents the same represents the same basal area on a per-unit-basal area on a per-unit-area basis? area basis?

Calculations for point Calculations for point samplessamples– Determination of stand Determination of stand

basal area, stand density, basal area, stand density, and stand volume?and stand volume?


Growth and YieldGrowth and Yield

Site productivitySite productivity Stocking and densityStocking and density Tree-growth and stand-table projectionTree-growth and stand-table projection Growth and yield modelsGrowth and yield models Structural diversityStructural diversity


Site ProductivitySite Productivity

What is site quality?What is site quality? How you may determine site quality in different How you may determine site quality in different

situations? situations?


Stand Density and StockingStand Density and Stocking

Definition of stand density and stockingDefinition of stand density and stocking Types of measurementsTypes of measurements How are they measured at the stand level? How are they measured at the stand level? How is point density measured? How is point density measured?


Tree-Growth and Stand-table Tree-Growth and Stand-table ProjectionProjection

Relationships between growth and yield Relationships between growth and yield Relationships between current annual growth Relationships between current annual growth

rate, periodic annual growth rate, and mean rate, periodic annual growth rate, and mean annual growth rateannual growth rate


Growth and Yield ModelsGrowth and Yield Models

Definition of growth and yield Definition of growth and yield Relationships between growth and yieldRelationships between growth and yield What are the measures of growth and yield?What are the measures of growth and yield? What are the types of growth and yield models What are the types of growth and yield models

and their attributes? and their attributes? How many models have you heard? How many models have you heard?


Stand Structural DiversityStand Structural Diversity

DefinitionDefinition How it can be classified?How it can be classified? How can it be quantified? How can it be quantified?


What are measured in the final exam? What are measured in the final exam?

How well you understood lectures, including How well you understood lectures, including classroom examplesclassroom examples

Whether you could accomplish your lab Whether you could accomplish your lab assignments independentlyassignments independently

Whether you have done your assignments Whether you have done your assignments (reading and excises) (reading and excises)


Good luck!Good luck!

course review fore 3218 course review sampling inventories growth and yield

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