Presentation is loading. Please wait.

Presentation is loading. Please wait.

Succession 3 Specification point: 3.4.7: Ecosystems are dynamic systems usually moving from colonisation to climax communities in the process of Succession.

Similar presentations


Presentation on theme: "Succession 3 Specification point: 3.4.7: Ecosystems are dynamic systems usually moving from colonisation to climax communities in the process of Succession."— Presentation transcript:

1 Succession 3 Specification point: 3.4.7: Ecosystems are dynamic systems usually moving from colonisation to climax communities in the process of Succession. -Describe what conservation is -Discuss the arguments for and against conserving certain species -Explain how managing succession help to conserve succession

2 Quick succession re-cap 1-10 on the scrap paper: 1.What is succession? 2.What is a pioneer species? 3.What is a climax community? 4.What causes the variety of living things to change in succession? 5.What is a seral stage? 6.Explain the differences between primary succession and secondary succession 7.What is the relationship between succession time and the amount of variation and biomass? Outcomes: Describe what conservation is Discuss the arguments for and against conserving certain species Explain how managing succession help to conserve succession.

3 Conservation: Conservation is…. Outcomes: Describe what conservation is Discuss the arguments for and against conserving certain species Explain how managing succession help to conserve succession. https://www.youtube.com/watch?v=eYuK uLG_jRg

4 Match up Which of these are reasons you want to conserve species and reasons not to conserve species? Outcomes: Describe what conservation is Discuss the arguments for and against conserving certain species Explain how managing succession help to conserve succession. High diversity of species have a large gene pool which provides living things with unique features. Some varieties of pests are destroying cropland and food resources. There is an ethical implication in conservation Large diversity increases likelihood of finding new medicines from plants and resources for industrial products. Large diversity increases the food resources available to other living things including humans. Some environments provide optimum conditions for some pathogenic organisms High diversity of species have a large gene pool which provides living things with unique features. Some varieties of pests are destroying cropland and food resources. There is an ethical implication in conservation Large diversity increases likelihood of finding new medicines from plants and resources for industrial products. Large diversity increases the food resources available to other living things including humans. Some environments provide optimum conditions for some pathogenic organisms

5 Why manage succession? Explain situations when we will need to manage/stop succession? Reed-beds appear early on in the succession of farmlands and are quickly replaced by willow/alder scrub as the conditions change. Reed-beds are sometimes used in the pharmaceutical industry. Reed-beds should be conserved and so the existing habitat needs to be managed before its conditions change. If the conditions do change we fail to conserve the reed-beds Human management could maintain the conditions and so maintain the species diversity. Outcomes: Describe what conservation is Discuss the arguments for and against conserving certain species Explain how managing succession help to conserve species.

6 Plenary: Write 2 exam questions. Make them challenging. Do not write the answers: Explain, Analyse, Evaluate. Compare Homework sheets: Access: Succession Tough: Saltmarsh Succession Outcomes: Describe what conservation is Discuss the arguments for and against conserving certain species Explain how managing succession help to conserve succession.


Download ppt "Succession 3 Specification point: 3.4.7: Ecosystems are dynamic systems usually moving from colonisation to climax communities in the process of Succession."

Similar presentations


Ads by Google