Cedrela nebulosa: A novel species for dendroclimatological studies in the montane tropics of South America |
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| Institution: | 1. Laboratorio de Dendrocronología, Facultad de Ciencias Forestales y del Ambiente, Universidad Nacional del Centro del Perú, Av. Mariscal Castilla 3909, El Tambo, Huancayo, Peru;2. Laboratorio de Dendrocronología e Historia Ambiental, IANIGLA, CONICET. Av. Ruiz Leal s/n, Parque General San Martín, Mendoza, Argentina;3. Laboratorio de Dendrocronología, Universidad Continental. Av. San Carlos 1980, Huancayo, Peru;1. Centro Nacional de Investigación Disciplinaría en Relación Agua-Suelo-Planta-Atmósfera del Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias, Km. 6.5 Margen Derecha del Canal Sacramento, CP 35140, Gómez Palacio, Durango, Mexico;2. USDA Forest Service, Rocky Mountain Research Station, 2500 S. Pine Knoll Drive, Flagstaff, AZ 86001, United States;3. Instituto de Geografía, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, Ciudad de México, Mexico;4. Divición de Ciencias Forestales, Universidad Autónoma Chapingo, Texcoco, Edo. de México, 56320, Mexico;1. Department of Geography, University of Western Ontario, London, Ontario N6A 5C2, Canada;2. Parks Canada, 145 McDermot Avenue, Winnipeg, Manitoba, R3B 0R9, Canada;3. SWECO, Quay2, 139 Fountain Bridge, Edinburgh, EH3 9QG, Scotland, United Kingdom;4. Department of Alumni Relations, University of Western Ontario, London, Ontario N6A 3K7, Canada;1. Forest Growth, Albert-Ludwigs-University Freiburg, Tennenbacher Str. 4, 79106 Freiburg, Germany;2. Bioinformatics, Albert-Ludwigs-University Freiburg, Georges-Koehler-Allee 106, 79110 Freiburg, Germany;1. University of São Paulo, Institute of Biosciences, Department of Botany, Rua do Matão 277, 05508-090, São Paulo, Brazil;2. Free University of Berlin, Institute of Geological Sciences, Department of Earth Sciences, Malteserstrasse 74-100, 12249 Berlin, Germany;1. Institute of Geography, Friedrich-Alexander University Erlangen-Nuremberg, Wetterkreuz 15, 91058, Erlangen, Germany;2. Department of Forestry and Environmental Science, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh;1. Department of Plant Biology, Institute of Biology, University of Campinas (UNICAMP), P.O. Box: 6109, 13083-970 Campinas, SP, Brazil;2. Forest Ecology & Forest Management Group, Wageningen University, Wageningen, The Netherlands |
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| Abstract: | Up to now, the development of dendrochronological records from tropical regions in South America has been limited to the lowlands with emphasis in the Amazon basin. In this contribution, we present the first chronology of Cedrela nebulosa, a species that develops in the tropical mountainous regions of South America. We collected samples from trees in Monobamba district in Peru, analysed the anatomical features that determine the growth rings, and processed following the methods commonly used in dendrochronology. The 133-years chronology covering the 1883–2015 period, showed large correlation between series. In order to determine the climatic variables that control tree growth, we performed correlation analyses between tree-growth and local and regional precipitation and temperature records. We found that precipitation triggers tree growth at the beginning of the spring season but temperature seems to be the main control in annual growth. Also, C. nebulosa chronology present coherent variations with Multivariate Enso Index (MEI) and Pacific Ocean sea surface temperatures during summer months. This climate-sensitive tree-ring record indicates good potential for dendroclimatic studies and provides an opportunity to reconstruct climatic variations in montane forests of the tropical Andes. |
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| Keywords: | Dendrochronology Montane forests Tropical Andes Peru |
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