ENR 3300 Questions with Complete
Solutions
Natural Forest Conservation areas for wildlife and ecosystem services.
- sometimes harvested.
- NOT reliant on man.
Plantation Forests that are specifically planted to make products.
- Usually planted in rows for easy access, less diverse.
Urban Forests Planted or left standing in developed areas such as neighborhoods and
cities.
- Human benefit = shade, beauty, etc.
- Not for a product.
Silvics The study of the life history and general characteristics of forest trees.
,Shade Tolerance Relative capacity of a tree species to compete for survival under shaded
conditions.
Shade Tolerant VS. Shade Intolerant - Tolerant = shorter-lived, faster growing, straight
trees, less diverse.
- Intolerant = slow growing, more curved or branched trees, grew in shade but became
dominant.
Taxonomic Classification - Soft vs. hard, Angio (softwood evergreens) vs. Gymno
(hardwood deciduous).
Forest Management 1. Extractive
2. Sustainability
3. Social
4. Government
Forest Certification a process whereby forests are assessed by an independent party to
verify that they are managed to a defined standard.
,Sustainable Forestry Initiative (SFI) - Initiated by U.S. forest industry, now a stand-alone
nonprofit third-party accreditation.
- Allows GMOs, conversion of natural forests to plantations.
- Audit results are private.
Forest Stewardship Council (FSC) - An international non-profit organization established
to promote responsible management of the world's forests.
- Prohibits GMOs, persistent or bioaccumulative pesticides, conversions.
- Audit results are public.
Population Groups of organisms of the same species living in the same area at the same
time.
Population Size The number of individuals in the population.
- Denoted by N.
N = B - D (Births - Deaths)
Population Density Number of individuals in a particular area.
, - Denoted by N/per unit area.
Population Growth How the size of a population changes overtime.
Recruitment Refers to immigration and births, or the number of individuals added in a
given time.
Density-Dependent Factors Factors whose influence is correlated with the size of the
population and regulating growth by changes in reproduction and survival.
Density-Independent Factors Factors that affect a population irrespective of the density of
that population.
Carrying Capacity Number of individuals the environment can support indefinitely.
Logistic Growth - K = Carrying capacity, N = Population size.
- If K>N = Population is growing.
- If K<N = Population is shrinking.
Solutions
Natural Forest Conservation areas for wildlife and ecosystem services.
- sometimes harvested.
- NOT reliant on man.
Plantation Forests that are specifically planted to make products.
- Usually planted in rows for easy access, less diverse.
Urban Forests Planted or left standing in developed areas such as neighborhoods and
cities.
- Human benefit = shade, beauty, etc.
- Not for a product.
Silvics The study of the life history and general characteristics of forest trees.
,Shade Tolerance Relative capacity of a tree species to compete for survival under shaded
conditions.
Shade Tolerant VS. Shade Intolerant - Tolerant = shorter-lived, faster growing, straight
trees, less diverse.
- Intolerant = slow growing, more curved or branched trees, grew in shade but became
dominant.
Taxonomic Classification - Soft vs. hard, Angio (softwood evergreens) vs. Gymno
(hardwood deciduous).
Forest Management 1. Extractive
2. Sustainability
3. Social
4. Government
Forest Certification a process whereby forests are assessed by an independent party to
verify that they are managed to a defined standard.
,Sustainable Forestry Initiative (SFI) - Initiated by U.S. forest industry, now a stand-alone
nonprofit third-party accreditation.
- Allows GMOs, conversion of natural forests to plantations.
- Audit results are private.
Forest Stewardship Council (FSC) - An international non-profit organization established
to promote responsible management of the world's forests.
- Prohibits GMOs, persistent or bioaccumulative pesticides, conversions.
- Audit results are public.
Population Groups of organisms of the same species living in the same area at the same
time.
Population Size The number of individuals in the population.
- Denoted by N.
N = B - D (Births - Deaths)
Population Density Number of individuals in a particular area.
, - Denoted by N/per unit area.
Population Growth How the size of a population changes overtime.
Recruitment Refers to immigration and births, or the number of individuals added in a
given time.
Density-Dependent Factors Factors whose influence is correlated with the size of the
population and regulating growth by changes in reproduction and survival.
Density-Independent Factors Factors that affect a population irrespective of the density of
that population.
Carrying Capacity Number of individuals the environment can support indefinitely.
Logistic Growth - K = Carrying capacity, N = Population size.
- If K>N = Population is growing.
- If K<N = Population is shrinking.
