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Population • Community • Species • Species diversity • Genetic diversity • Ecosystem • Ecosystem diversity • Succession • Species interactions: Mutualism, Symbiosis, Predation, Parasitism etc

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Academic year: 2021

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(1)

BIODIVERSITY

(2)

Biodiversity should be handled in three levels;

1. Species diversity 2. Genetic diversity 3. Ecosytem diversity

(3)

What is Species?

• Morphological species concept

• Biological species concept

• Phylogenetic species concept

(4)

Concepts to know;

• Population

• Community

• Species

• Species diversity

• Genetic diversity

• Ecosystem

• Ecosystem diversity

• Succession

• Species interactions: Mutualism, Symbiosis, Predation, Parasitism etc.

(5)

The most diverse biomes on Earth

(6)

• Tropical rain forests

• Coral reefs

• Great tropical lakes

• Decidious forests

(7)

Factors that increase diversity

• Climate and environmental diversity

• Topography, geological age and size of habitats

(8)

How many species on Earth?

(9)

Ecological Economy and Value of Direct Use

Ecological economy; a transdisciplinary and interdisciplinary field of academic research addressing the interdependence and coevolution of human economies and natural ecosystems.

(10)

Determination of economic value of biological diversitymesi

(11)

Indirect values

• Ecosystem productivity and carbon retention

• Protection of soil and water sources

• Waste treatment and protection of nutrients

• Climate regulation

• Species interactions

• Environmental indicators

• Recreation and ecotourism

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