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[email protected]. Forest Health Conditions in Ontario - 2013 Compiled by: • Ontario Ministry of Natural Resources and Forestry, Forests Branch, Forest Health & Silviculture Section and Forest Evaluation and Standards Section, Sault Ste. Marie Ontario and; • Science and Information Branch, Inventory, Monitoring and Assessment Section, Sault Ste. Marie, Ontario; • In cooperation with Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie Ontario. © 2015, Queen’s Printer for Ontario Printed in Ontario, Canada Find the Ministry of Natural Resources on‐line at: http://www.ontario.ca For more information on forest health in Ontario visit the Natural Resources website: www.ontario.ca/foresthealth You can also visit the Canadian Forest Service website: www.glfc.cfs.nrcan.gc.ca Cette publication hautement spécialisée Forest Health Conditions in Ontario 2013 n’est disponible qu’en anglais conformément au Règlement 671/92, selon lequel il n’est pas obligatoire de la traduire en vertu de la Loi sur les services en français. Pour obtenir des renseignements en français, veuillez communiquer avec le ministère des Richesses naturelles et des Forêts au
[email protected] (705‐945‐6654). ISSN 1913‐617X (Online) ISBN 978‐1‐4606‐7392‐8 (Print) ISBN 978‐1‐4606‐7393‐5 (HTML) Forest tent caterpillar ISBN 978‐1‐4606‐7394‐2 (PDF) Table of Contents Contributors ...................................................................... 4 Provincial Overview: Introduction ...................................................................... 5 Weather patterns ............................................................. 6 Extreme weather and abiotic events .................................6 Insect infestations............................................................