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Biodiversity & Conservation - Coggle Diagram
Biodiversity & Conservation
Definition
Biodiversity is the variety of all forms of life, from genes to species, through the broad scale of ecosystems.
The term was coined as the compact form of “Biological Diversity” in 1985.
It refers to the interrelatedness of genes, species and ecosystems and in turn, their interactions with the environment
Levels
Genetic Diversity
Species Diversity
Ecosystem Diversity
Biogeography
Bio-geography deals with the geographical distribution of plants and animals.
Two branches
Phyto-geography
Zoo-geography
Biodiversity Pattern
Global Diversity
Terrestial
Marine
National Biodiversity
Local Diversity
Point richness
Alpha Richness
Beta richness
Gamma richness
Endangered and endemic species
47,677 species in Red List
17,291 at serious risk
Values
Economical
Social
Ethical
Aesthetical
Threats
Man has begun to overuse or misuse most of these natural ecosystems.
Examples
Habitat loss
Alteration in ecosystem
Invasive alien species
Pollution and contamination
Global climate change
Biodiversity conservation
In situ
Ex situ