Diversepolycultures aremorelikelytohave

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Unformatted text preview: bance (algal bloom) Monoculture Polyculture Experimental Disturbance (clipping) Experimental disturbance Hughes and Stachowicz, 2011, Journal of Ecology 99: 445‐453 13 14 Hughes and Stachowicz, 2011, Journal of Ecology 99: 445‐453 Polycultures are more resilient to natural disturbance What is the mechanism? • Diverse, polycultures are more likely to have tolerant genotypes that can regrow quickly – (sampling effect) • Over‐performance of polycultures also indicate some interaction between genotypes – Likely because of different resource uptake strategies of the genotypes – More resource strategies more micro-niches less competition 15 16 Hughes and Stachowicz, 2011, Journal of Ecology 99: 445‐453 polycultures have more shoots that survive the natural disturbance - suggest that polycultures respond better and faster - recover faster, retain more shoots through disturbance - are these results similar to T...
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This note was uploaded on 03/31/2013 for the course BIO 101 taught by Professor Profans during the Spring '13 term at Case Western.

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