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In the tragedy of the commons, the "commons" refers to A disputed border territory.

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In the tragedy of the commons, the "commons" refers to A disputed border territory. - PowerPoint PPT Presentation


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APES—Ecology , Cycle, and Tragedy of Commons 1) Sign in by period 2) Pick up an concept map and fill it in Remember to Shmoop at home or annotate and take quizzes in review book. In the tragedy of the commons, the "commons" refers to A disputed border territory.

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slide1

APES—Ecology, Cycle, and Tragedy of Commons1) Sign in by period2) Pick up an concept map and fill it in Remember to Shmoop at home or annotate and take quizzes in review book

slide3

In the tragedy of the commons, the "commons" refers to

  • A disputed border territory.
  • B stolen goods or winnings.
  • C any shared and limited resource.
  • D any individual's private property.
slide4

In the tragedy of the commons, the "commons" refers to

  • A disputed border territory.
  • B stolen goods or winnings.
  • C any shared and limited resource.
  • D any individual's private property.
what does commons mean
What does commons mean?

“Held in common” means the resource is owned by:

  • No one…or
  • Owned by a group

=all who have access to the resource.

what is the tragedy
What is the “tragedy”?
  • “We can avoid tragedy only by altering our values.” Hardin, 1968

This means we can change the way we live (sustainably) by preserving our natural resources—even in the private sector.

sustainability
Sustainability…

Meeting presentneeds of

today’s populations without compromisingthe needs of future

generations.

lessons from easter island
Lessons from Easter Island

Forests were clear-cut for canoes, ropes and firewood.

Farms were stripped soils of available nutrients.

Bird, fish and porpoise populations dwindled to extinction by overhunting.

Blind to the impact that a growing population would have on the environment, inhabitants used up the island’s resources until there was nothing left.

the day they parachuted cats into borneo

“The day they parachuted cats into Borneo!”

Ecosystem Disaster and

Intro to Case Studies

the end of the story
The end of the story…

In the 1950's The World Health Organization (WHO) financed and supported the first ever team of over 14,000 parachuting cats into Borneo!

when two species have a mutualistic relationship
When two species have a mutualistic relationship _____.

A they are both positively influenced

B they are both negatively influenced

C one is positively influenced and the other is negatively influenced

when two species have a mutualistic relationship1
When two species have a mutualistic relationship _____.

A they are both positively influenced

B they are both negatively influenced

C one is positively influenced and the other is negatively influenced

the competitive exclusion principle says
The competitive exclusion principle says _____.

A no two species can occupy the exact same ecological niche at the same time

B the introduction of a non-native species will adversely affect the native species

C populations will stabilize at carrying capacity

D there must be more producers than consumers

the competitive exclusion principle says1
The competitive exclusion principle says _____.

A no two species can occupy the exact same ecological niche at the same time

B the introduction of a non-native species will adversely affect the native species

C populations will stabilize at carrying capacity

D there must be more producers than consumers

which would be expected to appear first during secondary succession
Which would be expected to appear first during secondary succession?

A mature tall trees

B low shrubs

C a mix of shrubs and trees

D grass

all of the following are true concerning the characteristics of a climax community except
All of the following are true concerning the characteristics of a climax community EXCEPT

A there is a mixture of decomposers, producers, and consumers

B there are many different species of plants

C the adult plants are small in size

D most of the organisms are specialists in their niche requirements

E there is a large amount of biomass

all of the following are true concerning the characteristics of a climax community except1
All of the following are true concerning the characteristics of a climax community EXCEPT

A there is a mixture of decomposers, producers, and consumers

B there are many different species of plants

C the adult plants are small in size

D most of the organisms are specialists in their niche requirements

E there is a large amount of biomass

taiga borreal rainforest
Taiga/Borreal Rainforest