Biodiversity & Change
Objective 1: To explain the concept and importance of biodiversity in tropical rainforests.
Starter: Have a go at this game. One go only! Who got the best score out of 11?
Task 1 - Concept of biodiversity?
Find a suitable definition of biodiversity and write it into your book under the title above. This link might help you.
Task 2 - The Importance
Using this document, create a spider diagram in your book that lists five goods and five services provided by ecosystems.
Task 3 - The Rainforest
Using the Nalini Nadkarni YouTube video beneath (first 7 minutes) and this sheet (blown up to A3 size), take annotated notes about the different vertical zones of the tropical rainforest biome. For additional information on the canopy, click here. For additional Information on the forest floor, click here. You also need Integrated Approach, page 316-318 and for an overall definition, see below:
Starter: Have a go at this game. One go only! Who got the best score out of 11?
Task 1 - Concept of biodiversity?
Find a suitable definition of biodiversity and write it into your book under the title above. This link might help you.
Task 2 - The Importance
Using this document, create a spider diagram in your book that lists five goods and five services provided by ecosystems.
Task 3 - The Rainforest
Using the Nalini Nadkarni YouTube video beneath (first 7 minutes) and this sheet (blown up to A3 size), take annotated notes about the different vertical zones of the tropical rainforest biome. For additional information on the canopy, click here. For additional Information on the forest floor, click here. You also need Integrated Approach, page 316-318 and for an overall definition, see below:
Tropical rainforests are mainly located between the tropics. The Amazon rainforest in South America is the largest rainforest in the world, but there are also large areas of rainforest in the Congo Basin, SE Asia, Central America, Southern India and Northern Australia. Tropical rainforests cover about 7% of the earth's surface. There typical climate are daily temperatures between 20c and 45c and annual rainfall of 125cm to 650cm. Rainforests tend to be very humid and experience thunderstorms in late afternoon. Rates of deforestation vary widely and even with the use of satellite images are hard to accurate clearly. Estimates claim about 1 and half acres are cleared every second which accounts for the area twice the size of Florida every year. Scientists believe that in 40 years all major rainforests may have disappeared.
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Objective 2 - To examine the causes and consequences of reduced biodiversity in this biome.
Task 4 - Over to you ... Open the Worksheet above the video. Sort the statements into a table with the following headings: 1. Why are rainforests important? 2. Why are rainforests being destroyed? 3. What problems does rainforest destruction cause? Now use three highlighter colours to show which of the above are social, environmental, economic (SEEP) and add a key at the bottom of your table. **January 2013 Update** - Click here to read & watch the embedded video in the BBC News article on a 'Rainforest Census' that is about to start in the Amazon Rainforest. Print a copy of this article and summarise the initiative. Task 5 - The situation in Brazil. Pressure 1 - Dam Building Pressure 2 - Deforestation (better news) Pressure 3 - Urbanisation Solution 1 - National Park (see map to right) Using the three reference points above, complete an essay plan for 15 marks for the following IB Paper 1 style question: Outline the causes and consequences of a reduction in biodiversity in the tropical rainforest and management strategies implemented (15) |
TED Talks Embedded
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