Ecology and Biodiversity

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Threats To Biodiversity In Australia

Student ID: LAWYF1003Name: LAU Wing Yin VivianDue Date: 4 February, 2011|


Table of Contents
Executive Summary3
1. Introduction4
2. Biodiversity in Australia
3.1 Definition4
3.2 Importance of Biodiversity
2.2.1 Ecosystem services5
2.2.2 Biological services5
2.2.3 Social services5
3.3 Threats
2.3.1 Environmental Change6
2.3.2 Over-population6
2.3.3 Climate Change7
3.4 Impact
2.4.1 Extinction7-8
3.5 Biodiversity Conservation8-9

3. Conclusion10
4. Recommendations11
5. Reference List12

Executive Summary
Biodiversity refers to the variety of life on Earth, where different plants, animals and micro organisms, the genetic information they contain and the ecosystems they form. (Australia Museum, 2009) This report shows the threats of biodiversity in Australia which includes environmental changes, over population, loss of habitat, climate change and salinity which lead to a significant impact on biodiversity. As biodiversity provides lots of irreplaceable natural services for every single one of us, biodiversity conservation had been undertaken in order to conserve biodiversity. This includes the Environment Protection and Biodiversity Conservation Act (EPBC Act), conservation of private land, and so on.

1. Introduction
Biodiversity provides lots of natural resources and services for everyone such as ecosystem services, biological services and social services. From the needs of the poor to even the world’s economy depends mostly on things derived from biological resources. Medical discoveries, economic development, and adaptive responses to the challenges faced due to dramatic climate change benefit with rich biological resources, as high cost is incurred if we need to replace them. However, biodiversity is threatened by different aspects, which in terms affecting the whole ecosystem as well as our economy. Biological conservations should take place in order to conserve biodiversity. 2. Biodiversity in Australia

2.1 Definition
Biodiversity is the variety of life on Earth, the biological diversity is also called biodiversity. Biodiversity involves the amount of living organisms, such as plants, animals, and microorganisms, the genes that each species contain, and the ecosystems the organisms depend on, such as woodlands, coral reefs, and deserts. (Australia Museum, 2009) Biodiversity acts as an indicator of the health of ecosystems. The greater it is the healthier the ecosystems are. Biodiversity also affected the climate. In terrestrial habitats, more species are found in tropical regions whereas less species are found in polar regions. Out of 13.6 million species of plants, animals and micro-organisms on earth, Australia occupies approximately a million of them which are more than 7% of the world’s total. As one of the twelve megadiverse countries, Australia contains about 75% of Earth’s total biodiversity. Australia is a developed country, she has the responsibility in managing and conserving biodiversity. 3.2 Importance of Biodiversity

Humans benefit from biodiversity in 3 different ways: ecosystem services, biological resources and social benefits. 3.3.1 Ecosystem services
Biodiversity plays an important role in nutrient storage and recycling. At the same time biodiversity is breaking down and absorbing the pollution caused by human activities. As pollution are mostly broken down and absorbed, the climate is stay more or less stabilized through the contribution of biodiversity. Biodiversity can help in maintaining the ecosystems that are damaged by human activities. 3.3.2 Biological resources

Biodiversity provides lots of raw material and biological resources for humans, e.g. food, wood products, as medicinal resources and pharmaceutical drugs. Biodiversity even acts as our future resources. 2.2.3 Social benefits...
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