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Niche and Guild Takatoshi AKAI 23-1 JOCV/JICA KWS/Malindi Marine Park

Niche and guild

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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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Page 1: Niche and guild

Niche and Guild

Takatoshi AKAI

23-1 JOCV/JICA

KWS/Malindi Marine Park

Page 2: Niche and guild

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

Page 3: Niche and guild

What is Niche?

• Position in eco system.

• Species appear limited time, eat limited feed, and limited condition to breeding.

• Each species has its niche.

Page 4: Niche and guild

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”.

Page 5: Niche and guild

Same guild, Different niche ①• Use term “Guild” and “Niche”, to find

out similarity in different species.

Greater Blue-eared Glossy Starling

Bat

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Page 8: Niche and guild

Gause's Law of competitive exclusion

Two species that compete for the exact same resources

cannot stably coexist.

Page 9: Niche and guild

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.

Page 10: Niche and guild

Odd character

Page 11: Niche and guild

What is Specialist?

Species, which hasparticular choice to eat.

So, they can surviveonly in certain place.

Page 12: Niche and guild

Specialist

Koala lives only in Australia.They eat only leaf of eucalyptus tree.

Page 13: Niche and guild

What is Generalist?

Species, which can eat anything.

So, they can survive in everywhere.

Page 14: Niche and guild

GeneralistUs!! Human being lives in all over the world.They can survive everywhere.

Page 15: Niche and guild

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.