Francesca Foley Twilight Lesson: Arctic
Biodiversity

Key Findings Key notes, facts, figures evidence Synoptic links to other
(summary) topics studied at A
Level
Biodiversity is being Degrading :
degraded, but The most visible changes in the Arctic are those to the physical environment, including warming
decisive action taken temperature s,…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
Arctic birds suffer when development leads to drainage of wetlands. They also suffer from traffic noise as
a result of the building of new roads. Studies indicate that a variety of bird populations can fall by as much
as 44 per cent up to…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
i. The heath is predicted to move uphill, with its mean altitude changing from about 760
m to about 1160 m. The questions for the conservation of this type of heathland are
whether all heaths below 700 m will cease to exist and whether…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
especially birds along Many bird species are vulnerable to changes in the fish and crustacean populations (the birds' food
the East Asian flyway source). It will be particularly difficult for the bird species that have become specialised to eat just one
type of food.…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
vulnerable. The polar bear is one such species, and the extent and sustainability of sea ice is essential for
its survival. A substantial reduction in sea ice - particularly during the summer - will make productive
ocean areas far more inaccessible for polar bears,…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
(SOx) gases are emitted. However, there are areas of the Arctic where the degree of acid deposition
exceeds the soil's capacity to deal with it, i.e., the critical load[

There are currently To date, invasive alien plants have reached the low Arctic in Alaska.…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
monitoring efforts, the Greenland government is piloting a natural resource monitoring system called
Opening Doors to Native Knowledge, whereby local people and local authority staff are directly involved
in data collection, interpretation and resource management.
WWF helped found the Marine Stewardship Council (MSC), which…

Francesca Foley Twilight Lesson: Arctic
Biodiversity
increasingly needed to fully address the conservation challenges that face Arctic biodiversity now and in the
decades to come. The recommendations that follow recognize the interconnected and transboundary nature
of the challenges to biodiversity conservation in the Arctic and beyond.