References Using Harvard Referencing Generator:
- Where is the Tundra Located?. 2016. Where is the Tundra Located?. [ONLINE] Available at:http://www.mbgnet.net/sets/tundra/where.htm. [Accessed 20 August 2016].
- National Geographic Society. 2016. Rain Forest Threats, Rain Forest Species - National Geographic. [ONLINE] Available at: http://environment.nationalgeographic.com.au/environment/habitats/rainforest-threats/. [Accessed 20 August 2016].
- National Geographic Society. 2016. Tundra Threats, Tundra Species - National Geographic. [ONLINE] Available at: http://environment.nationalgeographic.com.au/environment/habitats/tundra-threats/. [Accessed 20 August 2016].
- random. 2016. [Temperate Rainforest Biome]: Threats to the Biome. [ONLINE] Available at:http://temperaterainforest.awardspace.com/threats.html. [Accessed 20 August 2016].
- National Geographic Society. 2016. Grasslands Threats, Wetlands Threats - National Geographic. [ONLINE] Available at: http://environment.nationalgeographic.com.au/environment/habitats/grassland-threats/. [Accessed 20 August 2016].
- World Wildlife Fund. 2016. Polar Regions | Habitats | WWF. [ONLINE] Available at:http://www.worldwildlife.org/habitats/polar-regions. [Accessed 20 August 2016].
- National Geographic Society. 2016. Desert Threats, Endangered Species - National Geographic. [ONLINE] Available at: http://environment.nationalgeographic.com.au/environment/habitats/desert-threats/. [Accessed 20 August 2016].