Ecosystem - Answers Interdependent community of plants, animals, their environment
Ecological Sustainability - Answers The ability of an ecosystem to meet the needs of the present
generation without hindering future generations from being able to meet their needs
Ecosystem Managment - Answers Aims to sustain and integrate social, physical, economic +
biological factors
Links people and their culture as part of ecosystem
Niche - Answers An organism's special role in the ecosystem
Two organisms cannot occupy same niche!
habitat - Answers where an organism lives within an ecosystem
indicator species - Answers Unique group of species that indicates health of ecosystem
biodiversity - Answers Number and variety of living (biotic) and nonliving (abiotic) ecosystem
components
Higher biodiversity = larger quantity of species
carrying capacity - Answers Ability of a resource to sustain use w/out deterioration
Thresholds at which character of place or quality of experience diminished
carrying capacity can be affected by - Answers characteristics of resource base, users,
crowding in parks - Answers Traffic congestion, jammed parking lots, cramped campgrounds,
long lines
Overworked rangers, stricter rules, higher fees, visitor conflicts, degraded facilities
commons - Answers resources that are accesible to all
tragedy of the commons - Answers Free access and unrestricted demand for a finite resource -
ultimately reduces the resource through over-exploitation
external factors - Answers people have no control over them, just have to cope ex: water
pollution/shortages
internal factors - Answers little control over them, try to manage ex : transportation troubles
common visitor issues - Answers messing with widllife, trash, bad behavior
direct managment - Answers Limit choice, numbers and harden resources
, Basically "force" people to do what is required
indirect managment - Answers To influence visitor behavior thru information/education
Most effective to influence visitor behavior
Hope visitors will then make good choices themselves
who created 17 national monuments with the antiquites act - Answers carter
alaska statehood act - Answers (1959) > "Last Frontier"
Section 4 of Alaska Statehood Act to ensure native claims would be unaffected
Section 6 allowed the state to claim lands they deemed "vacant"
-land to be divided up
atlantic richfield co. - Answers discovered oil at prudhoe bayq
what did the oil discovery lead to - Answers Alaska Native Claims Settlement Act (ANCSA)
(1971)
Alaska Native Claims Settlement Act (ANCSA) (1971) - Answers To resolve long-standing
issues surrounding aboriginal land claims
Natives received ~44 million acres of land and $963 million
Trans Alaska Pipeline System (TAPS) - Answers 800 mile long steel pipe (built 1974-1977, $8
billion) (1:20)
From Prudhoe Bay to Valdez
Exxon Valdez oil tanker (1989) - Answers Spilled 11 million gallons into Prince William Sound
One of worst environmental disasters in U.S. history
the Alaska Coalition - Answers 50 environmental groups grew to 1500 organizations with 10
million members
Alaska National Interest Lands Conservation Act (ANILC - Answers signed by carter
Set aside 47 mill acres to NPS and 54 mill acres to the NWR System
State of the Parks Report (1980 - Answers Extensive survey of park administrators throughout
the system
Concluded the parks were suffering from a wide variety of threats