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Transcript
NATURE UNBOUND
LESSON 8 – DIVERSITY &
DISTURBANCE OF BIOLOGICAL
COMMUNITIES
Conservation
Mr. Dieckhoff
WHAT WILL THE AREA BELOW LOOK LIKE
IN 2091?

Peck Ranch Conservation Area 100 Year Study
BIOLOGICAL COMMUNITY

Biological Community
–
Structure – the living
organism in a
biological community
 Function – how
organisms interact to
sustain the
community

HOW HEALTHY IS A POPULATION

Species Richness –

Relative Abundance –

Is this a healthy forest?
WHICH IS A HEATHIER INSECT
COMMUNITY?
BIODIVERSITY


Biodiversity – all the species on the planet (over
10 million)
Components
species richness and relative abundance
 Genetic diversity
 Different ecosystems that exist within a larger region

BIODIVERSITY

Affected by:



MISSOURI BIODIVERSITY AREAS


Feature-Species
Management –
Community
Management –
SPECIES RICHNESS DEPENDS ON WHO
LEAVES AND WHO ENTERS
Immigration –
entering of new
species into
community
 Extirpation – existing
species leaving
community


Equilibrium point –
SUCCESSION

Succession –
Primary –
 Secondary –


Disturbances – departure of typical environmental
conditions (fire, tornados, ice storms, floods)
Primary successional community –
 Climax Community –

SUCCESSION
CONCLUSION
1.
2.
3.
4.
5.
Biological Community
Species Richness &
Relative Abundance
Biodiversity
Equilibrium
Succession