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Local issue
Small geographical area
Regional Issue
Much larger area
National issue
effecting most of a country
Issue
an important topic for debate or discussion
Policy
Principle of action or proposed by the government, party, business, or individual design to resolve and issue
Is monitoring required
Yes, to see if the proposed policy works
Resolution Process
Identify, Understand, Develop policy, Implement, Monitor
Non-native invasive species (NNIS) cause
Foreign travel, International Trade
NNIS effect on ecosystems
change ecological trajectories, reduce productivity, effects threatened species
Federal Executive order 2-8-1999 meaning
federal agents must minimize ecological, economic, and human effects from NNIS
Federal Executive order 2-8-1999 job
Prevent NNIS from being introduced and control current NNIS
ecological risk assessment
Evaluated the likelihood that adverse ecological effects may occur or are occurring as a result of exposure to stressors
ecological assessment has 7 parts
Problem Formulation, analysis, risk characterization, communicating results, Decision, and Monitoring
NEPA
National Environmental Policy Act
Why was NEPA made
to ensure the public could could receive information and give opinions if they didnt like a decision
NEPA has 3 levels or analysis
Categorial exclusions, Environmental analysis, environmental impact statements
CE definition
Categorial exclusions, Lowest level of NEPA
EA definition
Environmental analysis, mid level, used to see if EIS is needed
environmental analysis info
6-18 month process, 100 pages long
EIS definition
Environmental impact statement, Large scale with significant effects
Can the public litigate any NEPA project
yes
Evolutionary record
only species that adapt to their changing environment survive
Forestry
art, practice, science, and business of managing forested landscapes
Timber mining
Intentionally harvesting non-renewable forests, not sustainable
Adaptive management
Using the best information you currently have to make a decision then altering if more info comes to light
Frequency
Disturbance is beneficial
Scale
sufficient size to get desired effect
Severity
Must be severe enough to get desired effect
Balance of Nature
If unaffected by man nature is stable and will stay unchanged, false
global consequences of land use why
Man is manipulating our environment to meet our needs
HIPPO
Habitat destruction, Invasive species, Pollution, population, over exploitation of resources
Habitat destruction
When a natural habitat is unable to function and support the species present
two reasons for habitat destruction
Agriculture intensification, urbanization
Agricultural Intensification problems
Irrigation, Fertilizers, Pesticides, Monocultures
Urbanization
Land conversion to a non-reversible use
NNIS introduction in US has grown, Why?
Foreign travel, International trade, Human development
Pollution
Introduction of contaminates and hazardous substances into an environment that causes instability or harm
land use effects on freshwater
Runoff, water quality, reduced flow
Type of air pollutants
Chemical and Radioactive
Human sources of pollution
Power plants, Paint, Landfills
Number 1 stressor on the environment
population growth
Global Warming impacts
Rising sea level, change in forest type
Global Warming causes
fossil fuels, Climate cycle, no clear cause
3 things to maintain ecosystems
Frequency, scale, severity