Grazing scar characteristics impact degree of fungal facilitation in spartina alterniflora leaves in a south american salt marsh

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2015-01-01

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Abstract

Grazing scars of burrowing crabs and Hemiptera insects were simulated on leaves of the salt marsh grass Spartina alterniflora. Simulations of crab feeding generated two-fold higher fungal (ergosterol) content in leaves in comparison to that generated by insect scar simulations (1.26 ± 0.55 and 0.57 ± 0.25 μg per cm2, respectively). This study provided evidence that herbivory could facilitate microbial infection by fungi in dominant South American salt marsh plants and indicated that specific feeding mechanisms used by different herbivores might differentially impact the strength of this interaction.

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10.1590/S1516-8913201400030

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Freitas, RF, EC Schrack, RD Sieg, BR Silliman and CSB Costa (2015). Grazing scar characteristics impact degree of fungal facilitation in spartina alterniflora leaves in a south american salt marsh. Brazilian Archives of Biology and Technology, 58(1). pp. 103–108. 10.1590/S1516-8913201400030 Retrieved from https://hdl.handle.net/10161/9479.

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Silliman

Brian Reed Silliman

Rachel Carson Professor of Marine Conservation Biology

Brian Silliman is the Rachel Carson Distinguished Professor of Marine Conservation Biology. He holds both B.A. and M.S. degrees from the University of Virginia, and completed his Ph.D. in Ecology and Evolutionary Biology at Brown University. In recognition of his research achievements, Silliman was named a Fellow of the Ecological Society of America in 2023, Distinguished Fulbright Chair with CSIRO in 2019; a Fellow of the American Association for the Advancement of Sciences in 2015; a Visiting Professor with the Royal Netherlands Society of Arts and Sciences in 2011; and David H. Smith Conservation Fellow with The Nature Conservancy in 2004.  He has also received several awards, including the Young Investigator Award from the American Society of Naturalists (2006), a Young Investigator Grant Award from the Andrew Mellon Foundation (2007), and a NSF Career Grant Award (2011). Dr. Silliman has published 25 book chapters and over 200 peer-reviewed journal articles, and co-edited five books: Marine Community Ecology and ConservationMarine Ecosystem Restoration: Challenges and New HorizonsHuman Impacts on Salt Marshes: A Global PerspectiveEffective Conservation: Data not Dogma, and Marine Disease Ecology. His teaching and research are focused on community ecology, food webs, conservation and restoration, global change, and evolution and ecological consequences of cooperative behavior.


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