Niche breadth - PowerPoint PPT Presentation

Niches

Niches. What is a niche?. Niche Theory. You can think of it as its ‘address’. What is a niche?. A multidimensional expression of where or how a species lives. Niche Theory.

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4.1k views • 61 slides

Symbioses - Mutualism

Symbioses - Mutualism. Symbioses. Symbioses - species living in close association Parasitism +,- parasite benefits, host harmed Commensalism +,0 or 0,0 can have positive effect for one species or for neither Mutualism +,+ both species benefit . Mutualism.

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1k views • 53 slides

Gause ’ s and Park ’ s competition experiments Lotka-Volterra Competition equations

Gause ’ s and Park ’ s competition experiments Lotka-Volterra Competition equations dN i /dt = r i N i ({K i – N i – S a ij N j }/K i ) Summation is over j from 1 to n , excluding i N i * = K i – S a ij N j [Diffuse competition]

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602 views • 34 slides

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