Environmentally Sensitive Ecosystems

Question 1

What are the three types of enviromentally sensitive ecosystems?

Answer 1

galapagos

antartica

lake district and snodomia national park

Question 2

What is the effect and resolution / control of human activity in galagpos?

Answer 2

tourism introduces non-native species - human activity

plant - grow faster and taller and outcompete native species for light and nutrients - effect

animals - eat eggs of native birds and repitles - extinctio no fnative species e.g. galagpagos tortoise - effect

control - plants - herbicide

animals - poison rates - kill / remove goats

Question 3

What is the effect, and control of human activity in antartica?

Answer 3

tourism introduces non native species - human activity

mostly wind polluted plants, rats and insects eat native plants and bird eggs - effect

control - herbicide and poison rats

pollution - human activity
kill native species - effects

all waste must be removed
regulation on fuel of boats
access restricted for tourists - control

overfishing - human actviity

reduces fish populations - effect

quotas and mesh size for nets - control

Question 4

What is the effect and control of human activity in lake district?

Answer 4

tourism - human activity

erosin of foot paths, tampling of vegetation, loss of species, and pollution of reivers - effect

maintain footpaths, replan vegetations, educate visitors, fence off damaged areas - control