Component

Component: Ecosystems at Risk

Question 1

Written Paper Section I Question 1 - 2011 HSC

An example of ecologically sustainable development

Question 3

Written Paper Section I Question 3 - 2001 HSC

Definition of the geographical term sustainability

Question 9

Written Paper Section I Question 9 - 2002 HSC

Ecosystems at risk concepts relevant to each of two sources

Question 18

Written Paper Section II Question 18 - 2002 HSC

(a) From the sources, identify an ecosystem that could be placed at risk as a result of drilling for oil at a location specified by an area reference. (b) Outline two likely impacts that the drilling could have on this ecosystem.

Question 18

Written Paper Section II Question 18 - 2001 HSC

(a) Use the sources to identify two human activities that may place the Avon–Heathcote Estuary at risk. (b) Identify a management strategy currently used in this estuary and evaluate its likely success in terms of the ecological sustainability of this ecosystem. (c) State two important questions that a geographer could ask to determine the validity and reliability of the information in the ‘Selected Bird Numbers’ source.

Question 19

Written Paper Section III Question 19 - 2001 HSC

Analyse the human impacts affecting the nature and rate of change of two ecosystems at risk.

Question 20

Written Paper Section III Question 20 - 2002 HSC

With reference to at least one ecosystem you have studied, explain the biophysical interactions that lead to diverse ecosystems and their functioning.

Question 21

Written Paper Section II Question 21 - 2011 HSC

(a) Recommend one primary and one secondary geographical method in managing an ecosystem at risk. (b) Describe one natural and one human-induced change on an ecosystem at risk. (c) How could the park in the stimulus be managed.

Question 24

Written Paper Section III Question 24 - 2011 HSC

Discuss the factors that place ecosystems at risk, referring to an ecosystem studied and the ecosystem in the stimulus booklet.