Ecosystem Services Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is a ecosystem services?

A

services provided by the natural environment that are of benefit to people

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2
Q

what are the ethical reasons for maintaining BD 1/3

A

If we destroy the BD of an ES we are denying future generations the opportunity to use these renewable natural resources

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3
Q

what are the ethical reasons for maintaining BD 2/3

A

if BD is lost and species become extinct unique combinations of DNA are lost

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4
Q

what are the ethical reasons for maintaining BD 3/3

A

Human activities also have the potential to cause mass extinctions through climate change

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5
Q

what is the problem with ethical arguments

A

they don’t always carry a lot of weight with governments, governments are interested into the economic side

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6
Q

what happens if their is a loss of BS 1/3

A

Potential financial loses for the future

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7
Q

what happens if their is a loss of BS 2/3

A

Reduces the chance of finding new species

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8
Q

what happens if their is a loss of BS 3/3

A

reduces the chance of finding new food

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9
Q

What are regulating services

A

they are involved process including water purification
Sewage treatment
maintaing air quality
disease regulation

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10
Q

What are supporting services

A

Biodiverse ecosystems provide support for other ES services that we need i.e

soil formation
nutrient cycling in the environment are both E systems without which we could not grow food to eat

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11
Q

What are cultrual services

A

in some areas the economy of a country can depend on people visting to observe its wild animals and plant life

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12
Q

what are provisiing services

A

ecosystems provide us with:

  • food
  • fibres for clothing
  • building materials
  • fuel
  • genetic resources for crop improvements
  • fresh water
  • medicines

the greater the BD the more potential sources of all these services there are available for us

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13
Q

Taking an ecosystem approach 1/4

A

once BD is lost from an area it is not easily regainedq

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14
Q

Taking an ecosystem approach 2/4

A

economic arguments for the maintenance of BD are more effective than ethical ones

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15
Q

Taking an ecosystem approach 3/4

A

if BD is lost neglected or destoryed it can be very expensive

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16
Q

Taking an ecosystem approach 4/4

A

Hurricanes, floods or forest fires can cost a lot of money