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Relationship provides nutrients, housing, protection: bull horn acacia and acacia ants

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Giraffe feeding on acacia / Mike LaBarbe.. / LicenseCC-by-nc-nd - Attribution Non-commercial No Derivatives

Bull horn acacias provide nutrients and housing for acacia ants in return for protection from herbivores thanks to a mutualistic relationship.

FUNCTION
Summary


Bull horn acacia and ants have a mutualistic relationship with many facets: a. large thorns provide nesting for ants, b. Beltian bodies (and nectar) provide food for ants, c. ants swarm to defend anything eating the tree, and d. the ants also clear an area around the base of the tree to reduce competition for nutrients. Artist: Emily Harrington. Copyright: All rights reserved. See gallery for details.

Excerpt
"Some types of acacia trees have evolved special structures to support acacia ant coloniesThe orange bodies on the tips of new leaflets are used only to feed the ants. The trees also excrete nectar for ant food and have swollen hollow thorns that can be used for nest sites. In return, the ants, which are equipped with powerful stingers, attack caterpillars and deer and any other animals that try to eat the acacia leaves.

"Some ant-plant partnerships are so strong that the ants live their entire lives within one kind of tree. Bulls horn acacia trees have large hollow thorns that are occupied by skinny, rust-coloured acacia ants. The trees produce not only nectar but also special oil- and protein-rich nodules on their young leaf tips. These provide all the nutrition the ant colony will ever need. To allow the tree better growing opportunities, the ants even trim away weeds from its base." (Forsyth 1992:52)

Note: Similar relationships occur with other species of acacia, including Acacia drepanolobium.
About the inspiring organism
Med_5340138728_8bb90755bd_b Acacia cornigera
Acacia cornigera (L.)Willd.
Common name: Bullhorn acacia

Learn more at EOL.org
Some organism data provided by: ILDIS World Database of Legumes
Organism/taxonomy data provided by:
Species 2000 & ITIS Catalogue of Life: 2008 Annual Checklist


Bioinspired products and application ideas

Application Ideas: An example of mutualism to foster cooperation and collaboration.

Industrial Sector(s) interested in this strategy: Management

Experts
The Palmer Lab
Todd M. Palmer
Department of Zoology, University of Florida
References
Forsyth, A. 1992. Exploring the World of Insects: The Equinox Guide to Insect Behaviour. Camden House.
Learn More at Google Scholar Google Scholar  

Palmer, TM; Brody, AK. 2007. Mutualism as reciprocal exploitatin: African plant-ants defend foliar but not reproductive structures. Ecology. 88(12): 3004-3011.
Learn More at Google Scholar Google Scholar  

Comments

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paulrajifs
over 5 years ago
Hi,
I am able to gothrough the summary of the article. There is already an article published by me on the above subject. Please gothrough: Paulraj, S (2011). "Symbiotic Plant-Ant Mutualism: Biomimetic ideas for Outsourcing in Biz. Management". ZOO's PRINT, Vol. XXVII, No. 4, April, 2011.
Dr. S. Paulraj, Ph. D. email: paulrajifs@gmail.com
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