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Darwinian AgricultureHow Understanding Evolution Can Improve Agriculture$
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R. Ford Denison

Print publication date: 2012

Print ISBN-13: 9780691139500

Published to Princeton Scholarship Online: October 2017

DOI: 10.23943/princeton/9780691139500.001.0001

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What Could Work Better

What Could Work Better

Cooperation betwen Two Species

(p.145) 9 What Could Work Better
Darwinian Agriculture

R. Ford Denison

Princeton University Press

This chapter examines cooperation between two species and how cooperation among related individuals of one species can also help maintain cooperation between species. It presents some examples of between-species cooperation, the evolutionary tradeoffs that can undermine such cooperation, and opportunities for improvement. The chapter begins by showing that cooperation and so-called cheating commonly occur between two species. It then considers how conflict evolves and how two-species partnerships may be improved such that they will be useful in agriculture. It also explores symbiotic nitrogen fixation and the dilemma termed “tragedy of the commons,” the link between kin selection and within-species cooperation, and microbial analogs of kin selection and rhizobial mutualism. Finally, the chapter discusses the sanctions hypothesis that explains the nature of microbial cooperation with plants, along with other opportunities for improved two-species cooperation.

Keywords:   cooperation, tradeoffs, cheating, conflict, agriculture, nitrogen fixation, kin selection, mutualism, sanctions

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