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HL Paper 1

The map shows land use changes that led to the loss of mangrove swamps in selected Southeast Asian countries in 2012.

[Source: Drivers of mangrove loss in Southeast Asia, Daniel R. Richards, Daniel A. Friess, Proceedings of the National
Academy of Sciences Jan 2016, 113 (2) 344ā€“349; DOI: 10.1073/pnas.1510272113.]

Identify the dominant land use that is replacing mangrove swamps on island A.

[1]
a.i.

Estimate the percentage of mangrove swamp loss caused by urban development B.

[1]
a.ii.

Outline one physical factor necessary for the formation of a mangrove swamp.

[2]
b.

Explain two environmental consequences of the loss of mangrove swamps in coastal areas such as those shown on the map.

[6]
c.



Examine how the importance of wind and waves varies for the development of two or more coastal landforms.

[10]
a.

Evaluate strategies designed to manage pollution caused by two or more types of waste materials in the oceans.

[10]
b.



Examine the role of sea level changes in the formation of relict cliffs and raised beaches.

[10]
a.

Examine the roles of different stakeholders in the management of one coastal margin affected by erosion or flooding.

[10]
b.



Examine the positive and negative impacts of La NiƱa events for different parts of the world.

[10]
a.

Evaluate the relative importance of vegetation in the development of coastal sand dunes.

[10]
b.



The diagram shows the predicted path of Hurricane Irma in August and September 2017.

[Source: From BBC News at bbc.co.uk/news. Data from National Hurricane Center.]

State the direction that Hurricane Irma is predicted to track in the first three days as a hurricane.

[1]
a.i.

Estimate the number of hours it is predicted for Hurricane Irma to track from the Leeward Islands to the eastern tip of the Dominican Republic.

[1]
a.ii.

Outline one reason why hurricane activity may increase when ocean temperatures are warmer.

[2]
b.

Explain two effects of a hurricane on the physical environment of a coastal margin such as that shown in the diagram.

[6]
c.



The pie chart shows the aquaculture production of Asia, by country, in 2016.

Identify the country with the third largest aquaculture production.

[1]
a.i.

Estimate the aquaculture production in China in millions of tonnes.

[1]
a.ii.

Outline one environmental problem associated with the growth of aquaculture.

[2]
b.

Suggest how sustainable management of ocean fish stocks in low- and middle-income countries may have benefits forĀ local communities.

[3]
c.i.

Suggest how sustainable management of ocean fish stocks in low- and middle-income countries may have benefits for the global environment.

[3]
c.ii.



Examine the major threats to coral reef environments.

[10]
a.

Examine why conflicts often develop over the commercial use of coastal margins.

[10]
b.



Examine why the management of coral reefs and mangrove swamps can become a source of conflict.

[10]
a.

Evaluate the success of actions to reduce overfishing.

[10]
b.



The table and map show management zones created to control human activities along a nationā€™s coastal margin that includes coral reefs.

[Source: Table: adapted from the Great Barrier Reef Marine Park Activity Matrix Ā© Commonwealth of Australia (GBRMPA) 2005
Map: adapted from the Great Barrier Reef Marine Park Zoning Plan Ā© Commonwealth of Australia (GBRMPA) 2005]

Identify the least controlled activity in the coastal margin shown on the map.

[1]
a.

Estimate the distance, in kilometres, between the Preservation Zone and Cardwell.

[1]
b.

Outline one possible physical reason and one possible human reason for the location of the Preservation Zone.

[4]
c.

Explain two sovereignty rights that the nation in the map possesses over the area of water shown.

[4]
d.



Examine why some hurricanes could have a greater impact than others on coastal margin landscapes.

[10]
a.

Examine why conflicting land-use pressures on coastlines can be difficult to resolve.

[10]
b.



The map shows the pattern of movement of oil tankers and their chokepoints.

[Source: Bender, J., 2015. These 8 narrow chokepoints are critical to the world’s oil trade, [online] Available at:
https://www.businessinsider.com/worlds-eight-oil-chokepoints-2015-4?r=US&IR=T [Accessed 4 May 2020].
Source adapted.

U.S. Energy Information Administration, 2014. World oil transit chokepoints critical to global energy security [online]
Available at: https://www.eia.gov/todayinenergy/detail.php?id=18991#menu [Accessed 19 July 2021].
Source adapted.]

Identify the chokepoint with the most barrels of oil moved per day.

[1]
a.i.

State the number of millions of barrels of oil moved per day at the Strait of Malacca choke point.

[1]
a.ii.

Outline one reason why the ownership of one named ocean area or territory is contested.

[2]
b.

Suggest one political challenge and one environmental challenge associated with the movement of oil around the globe by sea.

[6]
c.



The map shows part of the south-western coastline of the United Kingdom. The scale of the map is 1:25000 and the contour interval is 5 metres.

[Source: Torquay & Dawlish: Newton Abbot OS Explorer OL44. 1:25000 scale. Ordnance Survey Ltd., 2017
Ā© Crown copyright and database rights (2017) OS 100041139]

 

State the six-figure grid reference of the Dawlish Warren railway station.

[1]
a.i.

Estimate the distance, in km, between X and Y on the map.

[1]
a.ii.

Outline two physical reasons why urban development has not occurred in area A.

[4]
b.

Explain two ways in which vegetation contributes to the development of sand dunes in coastal areas such as this.

[4]
c.