'Stable community' diaporamas de présentation

BIODIVERSITY AND CONSERVATION

BIODIVERSITY AND CONSERVATION. BY MRS.G.K.VINAYAGAM. BIODIVERSITY. In our biosphere immense diversity (or heterogeneity)exists not only at the species level but at all levels of biological organization ranging from macromolecules within cells to biomes.

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Chapter 5.3

Chapter 5.3. How Ecosystems Change. Grade 10 Biology Spring 2011. Bell Ringer. Do ecosystems change or do they remain constant?. Objectives. List two types of ecological succession Explain how a pioneer species contributes to ecological succession

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BIOLOGY 403: PRINCIPLES OF ECOLOGY (Niche and Species-Species Interactions)

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Ecological Succession

Ecological Succession. Succession : when old populations in an ecosystem are gradually replaced by new populations. This is a predictable change. Succession can be from a natural disaster or human activity.

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19th-Century Nationalism

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Succession

Succession. Learning Objectives. Explain how communities change over time. Explain how communities recover after a disturbance. Ecological Succession. A series of more-or-less predictable events that occur in a community over time. Primary Succession.

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SUCCESSION

SUCCESSION. What is succession? What is a climax community? What are pioneer plants? What is primary succession? What is secondary succession?. The replacement of one community by another. SUCCESSION. A community that can retain its character for many hundreds- or thousands- of years

520 views • 6 slides