Exploring the impact of regional climate and local hydrology on Pinus sylvestris L. growth variability – A comparison between pine populations growing on peat soils and mineral soils in Lithuania

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Exploring the impact of regional climate and local hydrology on Pinus sylvestris L. growth variability – A comparison between pine populations growing on peat soils and mineral soils in Lithuania. / Edvardsson, Johannes; Rimkus, Egidius; Corona, Christophe; Šimanauskienė, Rasa; Kazys, Justas; Stoffel, Markus.

In: Plant and Soil, Vol. 392, 392, 15.04.2015, p. 345-356.

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T1 - Exploring the impact of regional climate and local hydrology on Pinus sylvestris L. growth variability – A comparison between pine populations growing on peat soils and mineral soils in Lithuania

AU - Edvardsson, Johannes

AU - Rimkus, Egidius

AU - Corona, Christophe

AU - Šimanauskienė, Rasa

AU - Kazys, Justas

AU - Stoffel, Markus

PY - 2015/4/15

Y1 - 2015/4/15

N2 - AimsTo compare growth variability of Scots pine (Pinus sylvestris L.) on different soil types, and to assess the potential of peat-soil pines for climatological and hydrological studies.MethodsWe used extensive dendrochronological analyses to investigate temporal and spatial responses of pines growing on peat soils and mineral soils in three regions of Lithuania.ResultsSignificant correlations were observed between tree populations growing on similar soil types in different geographical regions, whereas synchronicity was absent between neighbouring stands growing on different soil types. At mineral soils, tree growth was significantly correlated with winter and early summer temperatures, whereas a more complex response was detected in peat-soil trees, presumably reflecting a multi-annual synthesis of moisture variability and changing hydrology. Synchronous long-term peat soil tree-growth variations observed over large parts of the Baltics point to a possible regional hydrological forcing. Our results may therefore improve hydrological reconstructions using living and subfossil peat-soil trees, and could be of prime importance given the major influence peatland water-table fluctuations have on a range of environmental processes.ConclusionResults reveal that peat-soil pines are unsuitable for high-frequency climate reconstruction, but demonstrate their potential for the reconstruction of multi-annual to decadal hydrological fluctuations. Mineral-soil pines, by contrast, should be used for temperature reconstructions.

AB - AimsTo compare growth variability of Scots pine (Pinus sylvestris L.) on different soil types, and to assess the potential of peat-soil pines for climatological and hydrological studies.MethodsWe used extensive dendrochronological analyses to investigate temporal and spatial responses of pines growing on peat soils and mineral soils in three regions of Lithuania.ResultsSignificant correlations were observed between tree populations growing on similar soil types in different geographical regions, whereas synchronicity was absent between neighbouring stands growing on different soil types. At mineral soils, tree growth was significantly correlated with winter and early summer temperatures, whereas a more complex response was detected in peat-soil trees, presumably reflecting a multi-annual synthesis of moisture variability and changing hydrology. Synchronous long-term peat soil tree-growth variations observed over large parts of the Baltics point to a possible regional hydrological forcing. Our results may therefore improve hydrological reconstructions using living and subfossil peat-soil trees, and could be of prime importance given the major influence peatland water-table fluctuations have on a range of environmental processes.ConclusionResults reveal that peat-soil pines are unsuitable for high-frequency climate reconstruction, but demonstrate their potential for the reconstruction of multi-annual to decadal hydrological fluctuations. Mineral-soil pines, by contrast, should be used for temperature reconstructions.

U2 - 10.1007/s11104-015-2466-9

DO - 10.1007/s11104-015-2466-9

M3 - Article

VL - 392

SP - 345

EP - 356

JO - Plant and Soil

JF - Plant and Soil

SN - 0032-079X

M1 - 392

ER -