sustainable management

Question 1

what does sustainable management maintain

Answer 1

biodiv and economic needs

Question 2

due to rising populations, intensive methods for resource extractions are often used. What does this cause

Answer 2

disrupt ecosystem, reduce biodiv, completey remove resource if not sustainable

Question 3

what is coppicing

Answer 3

cutting a tree to a stump and new shoots eventually grow from cut surface. can be repeated

Question 4

what is pollarding

Answer 4

same as coppicing, just cut higher up to prevent deers from eating emerging shoots.

Question 5

what is rotational coppicing

Answer 5

when woodland managers cut different trees annually, providing a constant sustainable supply of wood .

Question 6

what are some sustainable methods to produce large scale timber

Answer 6

any tree which is harvested is replaced by another tree

biodiversity of areas such as forests must be maintaining

selective cutting- only cutting largest, most valuable trees

Question 7

to reduce tree harvesting, it is possible for trees to provide more wood. how can this be achieved

Answer 7

control pests/ pathogens
only plant trees in their suitable environment
position trees apart to avoid competition

Question 8

what are fisheries

Answer 8

process of harvesting fish

Question 9

what are the three principles of sustaining fisheries

Answer 9

• no overfishing as it reduces populations of fish.
• fishing must be managed to maintain the function and diversity and productivity of the ecosystem, therefore no damage to habitat
• fishery must adapt to national and local regulations