Climatic response of Juniperus monticola Martinez, a multi-century alpine shrub from the high mountains of central Mexico
Bibliographic Data
The mountain juniper Juniperus monticola Martinez, a decumbent alpine shrub found at elevations up to 4600 m a.s.l. on the high mountains of central Mexico, is the woody species growing at highest elevation in North America. It reaches an age close to a millenium, which probably makes it the oldest alpine shrub in the world. We conducted a dendrochronological study of this species at Pico de Orizaba volcano, the highest peak in Mexico, to analyze its dendroclimatic potential and the influence of ocean-atmospheric forcing on the interannual variability of radial growth. A ring-width chronology was developed extending from 1178 to 2016 (839 years). Climate data from a local weather station and from CRU TS version 4.01 were used to determine the climatic response of J. monticola . The species is positively correlated to the average maximum temperature of May–June ( r = 0.38, p r = −0.44, p r = −0.354, p r = −0.4, p
Biology · Chronology · Climate change · Climatology · Dendroclimatology · Evapotranspiration · Geography · Juniper · Meteorology · Physical geography · Precipitation · Shrub · Climate variability and models · Environmental Science · Plant Water Relations and Carbon Dynamics · Tree-ring climate responses · Ecology · Forestry · Geology
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