Lecture 9

Question 1

Conservation project in the Seychelles

Answer 1

Habitat threat: alien plants
Restoration of plant-pollinator interactions
8 inselbergs (4 with alien plants removed)
Pollinators to all woody flowering plant species (38 spp.) were counted for a total of 1,525 observation hours
6-14 months after restoration, 21.6% more pollinators and number of visits to flowers significantly higher at restored sites
Restored communities are likely to be more robust to species loss
Fruit and seed set likely to be higher at restored sites

Question 2

What is restoration ecology?

Answer 2

Restoration of UK grasslands and crop pollination

Question 3

How much of total European heath is in Britain?

Answer 3

1/4

Question 4

How much of Dorset’s heath lost since 1800s?

Answer 4

80%

Question 5

Who runs the Avalon marshes?

Answer 5

Wildlife Trust Somerset
RSPB
Hawk and Owl Trust
Natural England

Question 6

Big three birds in Avalon Marshes

Answer 6

Bittern
Marsh harrier
Great white egret

Question 7

Restored land vs. ancient healthlands

Answer 7

11 years after restoration from forestry
Plants restored
Pollinators restored
8 of 9 parasite sp. restored

Question 8

What were reintroduced to Yellowstone National Park? what was the result?

Answer 8

Wolves

Greatly increased species richness