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There are many species related in eco system. Some species compete and eat same food, but some species changed when and where to act, then avoid compete. Those are called niche and guild. They adapt to own territory, aimed to survive.
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Niche and Guild
Takatoshi AKAI
23-1 JOCV/JICA
KWS/Malindi Marine Park
Outline
1. What is niche?
2. What is guild?
3. Gause's Law of competitive exclusion
4. What is Specialist?
5. What is Generalist?
6. Conclusion
What is Niche?
• Position in eco system.
• Species appear limited time, eat limited feed, and limited condition to breeding.
• Each species has its niche.
What is guild?
Guild Merchant, is a group of people who contributed to built city and developed it during Middle Age in Europe.
Some students familiar with this word “guild”.
May be you have seen guild in RPG, such as “Final Fantasy”.
Same guild, Different niche ①• Use term “Guild” and “Niche”, to find
out similarity in different species.
Greater Blue-eared Glossy Starling
Bat
Gause's Law of competitive exclusion
Two species that compete for the exact same resources
cannot stably coexist.
Same guild, Different niche ②
The mouth is flat.Easy to eat grass on the ground.
The mouth is sharp.Easy to eat nuts and berry on the tree.
Odd character
What is Specialist?
Species, which hasparticular choice to eat.
So, they can surviveonly in certain place.
Specialist
Koala lives only in Australia.They eat only leaf of eucalyptus tree.
What is Generalist?
Species, which can eat anything.
So, they can survive in everywhere.
GeneralistUs!! Human being lives in all over the world.They can survive everywhere.
ConclusionThere are many species related in eco system.
Some species compete and eat same food,
but some species changed when and where to act, then avoid compete.
Those are called niche and guild.
They adapt to own territory, aimed to survive.