Human Impacts

1

Distribution of Earth's Water

Global Water Reservoirs and Availability to Plants and Animals

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2

Wastewater, Sewage and Stormwater: Treatment and Reuse

How Different Water Types Are Treated and Reused

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3

Human Impacts on Water Availability and Quality

Direct and Indirect Effects: Over-Extraction and Algal Blooms

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4

Salinisation: Causes and Rehabilitation

Land Clearing, Irrigation, and Restoring Salt-Affected Land

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5

Soil Erosion: Causes and Prevention

Investigating Erosion Control Methods

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6

Soil Contamination: Heavy Metal Sources and Effects

Persistence, Bioaccumulation and Remediation

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7

Biotic and Abiotic Effects of Introduced Species

How Introduced Species Reshape Australian Ecosystems

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8

Case Study: The Cane Toad

A Complete Investigation of a Local Introduced Species

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9

Ecosystem Balance, Human Activity and Native Species Decline

How Human Activity Favours Invaders and Threatens Natives

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10

Human Impacts: Integrated Review

Connecting Water Management, Salinity/Erosion and Introduced Species

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