{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T03:46:53Z","timestamp":1774928813399,"version":"3.50.1"},"reference-count":45,"publisher":"The Royal Society","issue":"1599","license":[{"start":{"date-parts":[[2006,6,20]],"date-time":"2006-06-20T00:00:00Z","timestamp":1150761600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Proc. R. Soc. B."],"published-print":{"date-parts":[[2006,9,22]]},"abstract":"<jats:p>The impact of plant-based factors on the population dynamics of mammalian herbivores has been the subject of much debate in ecology, but the role of antiherbivore defences in grasses has received relatively little attention. Silica has been proposed as the primary defence in grasses and is thought to lead to increased abrasiveness of foliage so deterring feeding, as well as reducing foliage digestibility and herbivore performance. However, at present there is little direct experimental evidence to support these ideas. In this study, we tested the effects of manipulating silica levels on the abrasiveness of grasses and on the feeding preference and growth performance of field voles, specialist grass-feeding herbivores. Elevated silica levels did increase the abrasiveness of grasses and deterred feeding by voles. We also demonstrated, for the first time, that silica reduced the growth rates of both juvenile and mature female voles by reducing the nitrogen they could absorb from the foliage. Furthermore, we found that vole feeding leads to increased levels of silica in leaves, suggesting a dynamic feedback between grasses and their herbivores. We propose that silica induction due to vole grazing reduces vole performance and hence could contribute to cyclic dynamics in vole populations.<\/jats:p>","DOI":"10.1098\/rspb.2006.3586","type":"journal-article","created":{"date-parts":[[2006,6,21]],"date-time":"2006-06-21T20:32:44Z","timestamp":1150921964000},"page":"2299-2304","source":"Crossref","is-referenced-by-count":164,"title":["Experimental demonstration of the antiherbivore effects of silica in grasses: impacts on foliage digestibility and vole growth rates"],"prefix":"10.1098","volume":"273","author":[{"given":"Fergus P","family":"Massey","sequence":"first","affiliation":[{"name":"Department of Biology and Environmental Science, University of SussexFalmer, Brighton, East Sussex, BN1 9QG, UK"}]},{"given":"Sue E","family":"Hartley","sequence":"additional","affiliation":[{"name":"Department of Biology and Environmental Science, University of SussexFalmer, Brighton, East Sussex, BN1 9QG, UK"}]}],"member":"175","published-online":{"date-parts":[[2006,6,20]]},"reference":[{"key":"e_1_3_2_2_1","doi-asserted-by":"publisher","DOI":"10.1098\/rspb.1995.0177"},{"key":"e_1_3_2_3_1","unstructured":"Allen S.E Chemical analysis of ecological materials. 2nd edn. 1989 Oxford UK:Blackwell Science."},{"key":"e_1_3_2_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/1841583b0"},{"key":"e_1_3_2_5_1","doi-asserted-by":"publisher","DOI":"10.1080\/11956860.2000.11682570"},{"key":"e_1_3_2_6_1","doi-asserted-by":"publisher","DOI":"10.2307\/1380189"},{"key":"e_1_3_2_7_1","doi-asserted-by":"publisher","DOI":"10.2307\/1939834"},{"key":"e_1_3_2_8_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.es.22.110191.002243"},{"key":"e_1_3_2_9_1","doi-asserted-by":"publisher","DOI":"10.2307\/3898929"},{"key":"e_1_3_2_10_1","first-page":"810","article-title":"Symbiosis and the regulation of communities","volume":"41","author":"Clay K","year":"2001","journal-title":"Am. 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