dendrochemical data from PCCVC

This dataset contains concentrations of 15 trace elements in micro-grams per gram (µg/g), analyzed using ICP-MS in tree rings of Nothofagus pumilio, a tree species from the Andean region of Northern Patagonia. The analyzed elements include: Na, Mg, Al, K, Ca, Cr, Mn, Fe, Co, Ni, Cu, Zn, Se, Cd, and Ba.

The data were obtained from tree ring samples of N. pumilio collected after two major volcanic eruptions of the Puyehue-Cordón Caulle Volcanic Complex (PCCVC) in 1921-22 and 2011. These results provide information on the concentrations of these elements in the trees' xylem, helping to understand the effects of volcanic eruptions and the biochemical processes that occur in trees after tephra fall.

Data File: The concentration values for each element per sample, expressed in µg/g.

Year: Year corresponding to the tree ring. Sapwood from 1916 to 1926; heartwood from 2005 to 2013.

Location: Geographical location of the samples: 40°42'14" S, 71°57'31" W.

Purpose of the data: These data can be used to study dendrochemical variations in Nothofagus pumilio trees, especially in response to volcanic eruptions, and to reconstruct past volcanic events based on the chemistry of tree rings.

Expected Use: Researchers can use this data to assess how volcanic eruptions affect the absorption and distribution of trace elements in trees, providing new insights into the interaction between the environment and plants. These data can also be useful in studies of biogeography, climate change, and the biogeochemical cycling of elements in forest ecosystems.