Ecosystem Services

Question 1

What is a ecosystem services?

Answer 1

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

Question 2

what are the ethical reasons for maintaining BD 1/3

Answer 2

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

Question 3

what are the ethical reasons for maintaining BD 2/3

Answer 3

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

Question 4

what are the ethical reasons for maintaining BD 3/3

Answer 4

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

Question 5

what is the problem with ethical arguments

Answer 5

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

Question 6

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

Answer 6

Potential financial loses for the future

Question 7

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

Answer 7

Reduces the chance of finding new species

Question 8

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

Answer 8

reduces the chance of finding new food

Question 9

What are regulating services

Answer 9

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

Question 10

What are supporting services

Answer 10

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

Question 11

What are cultrual services

Answer 11

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

Question 12

what are provisiing services

Answer 12

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

Question 13

Taking an ecosystem approach 1/4

Answer 13

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

Question 14

Taking an ecosystem approach 2/4

Answer 14

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

Question 15

Taking an ecosystem approach 3/4

Answer 15

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

Question 16

Taking an ecosystem approach 4/4

Answer 16

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