Chapter

Herbivory and Other Cross-Kingdom Interactions on Harsh Soils

Sharon Y. Strauss and Robert S. Boyd

in Serpentine

Published by University of California Press

Published in print February 2011 | ISBN: 9780520268357
Published online March 2012 | e-ISBN: 9780520948457 | DOI: http://dx.doi.org/10.1525/california/9780520268357.003.0008
Herbivory and Other Cross-Kingdom Interactions on Harsh Soils

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Edaphically stressful substrates, like serpentine, present plants with challenges that differ from other substrates. Stressful substrates often require plant adaptations to toxicity stressors such as heavy metals, as well as to low-nutrient concentrations or abnormal ratios of necessary elements. Pressures from enemies may also be greater on edaphically stressful substrates than on normal soils. On the other hand, substrates with high concentrations of heavy metals (like serpentine) may provide plants with opportunities for elemental defense, such as heavy metal accumulation. This chapter describes some of the aspects of harsh substrates, paying particular attention to serpentine substrates that might affect plant interactions with enemies and which may be central to edaphic specialization, and also considers interactions with pathogens and pollinator and dispersal mutualists.

Keywords: serpentine substrates; stressful substrates; plant adaptation; plant interactions; edaphic specialization; pathogens; mutualists

Chapter.  8309 words.  Illustrated.

Subjects: Plant Sciences and Forestry

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