Revise morning of

Question 1

Why do we use ecosystems

Answer 1

For food, water storage, and generate energy

Question 2

Why are we out of balance with nature

Answer 2

Due to our overuse of natural resources as humans

Question 3

What has happened in the last 50 years to biodiversity

Answer 3

The population of animals has reduced by 60% and biodiversity loss is the biggest loss we face

Question 4

What is biodiversity

Answer 4

The number of and variety of species within a ecosystem

Question 5

What are the threats to biodiversity

Answer 5

• Over exploitation ( deforestation, over fishing, direct impact)
• Climate change (Harmful chemicals and pollution, indirect
  threat)
  Alien Species (Direct threat)
  Disease, reduction in habitat, population density, disease (indirect threat)

Question 6

How can we increase biodiversity

Answer 6

Use sustainable energy
Re-wild ecosystems
Manage oceans

Question 7

Threat of human activity to ecosystems

Answer 7

Aral sea (over exploitation of natural resources)
Industrialisation in the UK (burning fossil fuels, climate change)
Alaska USA, (oil mining since 1960s,over exploitation)

Question 8

What is agroforestry (management of ecosystems)
Give example

Answer 8

Agroforestry-
Growing crops and trees together, this reduces deforestation and maintains forested areas around crops
GROW project in PERU
Provides income for local farmers via selling crops an timber sustainably

Question 9

What are national parks (management of ecosystems)

Answer 9

National parks preserve the rainforest and protect them from deforestation. However, in reality, these areas can be very difficult to protect due to the size of the parks. An effective way to protect rainforests is to involve indigenous people in park management. Indigenous people, such as the Wajãpi, know more about the forest than anyone and have an interest in preserving it as a productive ecosystem that provides them food, shelter, and clean water.

Question 10

What are the three types of sustainable management

Answer 10

economic sustainability
social sustainability
environmental sustainability.

Question 11

What is an example of sustainable management
How do stone lines work

Answer 11

Stone lines in bakino faso
stone lines are created using contours
when it rains water is trapped between stones
Improving soil quality
Increasing infiltration an reduces soil erosion
Encouraging plant/crop growth