{"id":82924,"date":"2020-10-08T10:42:06","date_gmt":"2020-10-08T14:42:06","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/warming-counteracts-defoliation-increasing-herbivore-plant-phenological\/"},"modified":"2020-10-08T10:42:06","modified_gmt":"2020-10-08T14:42:06","slug":"warming-counteracts-defoliation-increasing-herbivore-plant-phenological","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/warming-counteracts-defoliation-increasing-herbivore-plant-phenological\/","title":{"rendered":"Warming counteracts defoliation-induced mismatch by increasing herbivore-plant phenological synchrony"},"content":{"rendered":"\n<p>Published in Global Change Biology 26(4): 2072-2080. https:\/\/doi.org\/10.1111\/gcb.14991<\/p>\n<p>Abstract Climate change is altering phenology; however, the magnitude of this change varies among taxa. Compared with phenological mismatch between plants and herbivores, synchronization due to climate has been less explored, despite its potential implications for trophic interactions. The earlier budburst induced by defoliation is a phenological strategy for plants against herbivores. Here, we tested whether warming can counteract defoliation-induced mismatch by increasing herbivore-plant phenological synchrony. We compared the larval phenology of spruce budworm and budburst in balsam fir, black spruce, and white spruce saplings subjected to defoliation in a controlled environment at temperatures of 12, 17, and 22\u00b0C. Budburst in defoliated saplings occurred 6\u201324\u00a0days earlier than in the controls, thus mismatching needle development from larval feeding. This mismatch decreased to only 3\u20137\u00a0days, however, when temperatures warmed by 5 and 10\u00b0C, leading to a resynchronization of the host with spruce budworm larvae. The increasing synchrony under warming counteracts the defoliation-induced mismatch, disrupting trophic interactions and energy flow between forest ecosystem and insect populations. Our results suggest that the predicted warming may improve food quality and provide better growth conditions for larval development, thus promoting longer or more intense insect outbreaks in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Global Change Biology 26(4): 2072-2080. https:\/\/doi.org\/10.1111\/gcb.14991 Abstract Climate change is altering phenology; however, the magnitude of this change varies among taxa. Compared with phenological mismatch between plants and herbivores, synchronization due to climate has been less explored, despite its potential implications for trophic interactions. The earlier budburst induced by defoliation is a phenological [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1185,1180,1181],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1070],"class_list":["post-82924","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-forest-ecology","cptt_theme-forestry-research","cptt_theme-forests","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-bouchard-m"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Warming counteracts defoliation-induced mismatch by increasing herbivore-plant phenological synchrony - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"Compared with phenological mismatch between plants and herbivores, synchronization due to climate has been less explored\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/warming-counteracts-defoliation-increasing-herbivore-plant-phenological\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Warming counteracts defoliation-induced mismatch by increasing herbivore-plant phenological synchrony - 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