Conservation

Question 1

Ecological reasons to maintain biodiversity

Answer 1

Protecting species as organisms in an ecosystem are interdependent of one another. The protection of keystone species (many species in an ecosystem depend on and if werent present would change the ecosystem dramatically). disruption of food chains and nurtient cycles.

Genetic resources eg clothing and drugs and fuels

Question 2

Economic reasons to maintain biodiversity

Answer 2

Reducing soil depletion

Monoculture is the growing of a single variety of crop. Continuous monoculture causes soil depletion because the nutrients are gradually used up. The economic costs include increased spending on fertilisers and decreased yields.

Question 3

Aesthetic

Answer 3

Attractive landscapes where people can enjoy

Question 4

In Situ conservation

Answer 4

Conservation is the protection and management of species and habitats.

In situ means protecting species in there natural habitat.

Establishing protected areas such as marine conservation zones and wildlife reserves.

Controlling or preventing introduction of species which threaten local biodiversity.

Protection of habitats eg coppicing.

Restoring damaged areas.

Legal protection to endangered species.

ADV
larger populations can be protected

less disruptive

chances of recovering are greater

difficult to control poachers or predators or disease

Question 5

Ex Situ

Answer 5

Conservation off site.

Seed banks, botanic gardens and zoos.

Relocating to a safer area

breeding in captivity and reintroducing into the wild

Breeding programmes

ADV

Predtation and hunting can be controlled
health check individuals and treat them for disease.

IVF

DISADV
only a small number can be cared for 
expensive to create and sustain an environment
catch human disease
wont exhibit natural behaviours

Question 6

Rio Convention of Biological Diversity

Answer 6

aims to develop international strategies on the conservation of biodiversity and how to use animal and plant resources in a sustainable way.

Shared knowledge of scientific research

Shared access to genetic resources

Question 7

Convention on the international trade on endangered species

Answer 7

illegal to kill endangered species

illegal to trade products from endangered species

education

stop the trade of wild plants for commercial purposes

regulate and monitor trade of species

Question 8

Countryside Stewardship Scheme

Answer 8

Encourages farmers and landowners to manage their property in a way that benefits the environment.

Planting hedgerows and trees to provide habitats for birds and insects.