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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F12%3A00384015%21RIV13-AV0-67179843
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Carpathian pine growth at its natural range limit, where small hydroclimatic fluctuations are indicated by tree-ring width anomalies, may provide insight into past ecological responses to climatic changes. Tree-ring chronologies from extreme cliff sites may also contain annually resolved and accurately dated information to facilitate the development of palaeoclimatic reconstructions. Complex and spatiotemporally inconsistent relationships between biotic and abiotic factors, however, often complicate our understanding of forest growth dynamics. In this study, we utilized a novel ensemble approach of 3240 growth-climate interactions to evaluate the likelihood of temporal fluctuations in the hydroclimatic sensitivity of three newly developed tree-ring width chronologies from 515 Scots pines (Pinus sylvestris). The data represent undisturbed cliff habitats across the northwestern Carpathian arc between 700 and 1050 m asl. These sites are located in the northern (N) and southern (S) Tatra Mountains and in-between (M). Two sites (N, S) share common interannual to multi-decadal ring width variability (r = 0.73), and they significantly capture variations in 20th-century summer drought conditions (r = 0.52-0.65). Temporal instability in the growth-climate response, however, occurred in all three tree-ring chronologies, thus challenging any possible palaeoclimatic value. Orographic-induced climatology was found to dominate the observed growth-climate inconsistency, whereas age-related physiological mechanisms and differences in the absolute growth levels of the trees, as well as methodological standardization constraints and seasonal climate differences appeared to be less important. Our results suggest that environmental and ecological site criteria should be routinely supplemented by statistical data assessments prior to employing tree-ring chronologies for climate reconstructions. (C) 2012 Elsevier B.V. All rights reserved. Carpathian pine growth at its natural range limit, where small hydroclimatic fluctuations are indicated by tree-ring width anomalies, may provide insight into past ecological responses to climatic changes. Tree-ring chronologies from extreme cliff sites may also contain annually resolved and accurately dated information to facilitate the development of palaeoclimatic reconstructions. Complex and spatiotemporally inconsistent relationships between biotic and abiotic factors, however, often complicate our understanding of forest growth dynamics. In this study, we utilized a novel ensemble approach of 3240 growth-climate interactions to evaluate the likelihood of temporal fluctuations in the hydroclimatic sensitivity of three newly developed tree-ring width chronologies from 515 Scots pines (Pinus sylvestris). The data represent undisturbed cliff habitats across the northwestern Carpathian arc between 700 and 1050 m asl. These sites are located in the northern (N) and southern (S) Tatra Mountains and in-between (M). Two sites (N, S) share common interannual to multi-decadal ring width variability (r = 0.73), and they significantly capture variations in 20th-century summer drought conditions (r = 0.52-0.65). Temporal instability in the growth-climate response, however, occurred in all three tree-ring chronologies, thus challenging any possible palaeoclimatic value. Orographic-induced climatology was found to dominate the observed growth-climate inconsistency, whereas age-related physiological mechanisms and differences in the absolute growth levels of the trees, as well as methodological standardization constraints and seasonal climate differences appeared to be less important. Our results suggest that environmental and ecological site criteria should be routinely supplemented by statistical data assessments prior to employing tree-ring chronologies for climate reconstructions. (C) 2012 Elsevier B.V. All rights reserved.
dcterms:title
Ensemble estimates reveal a complex hydroclimatic sensitivity of pine growth at Carpathian cliff sites Ensemble estimates reveal a complex hydroclimatic sensitivity of pine growth at Carpathian cliff sites
skos:prefLabel
Ensemble estimates reveal a complex hydroclimatic sensitivity of pine growth at Carpathian cliff sites Ensemble estimates reveal a complex hydroclimatic sensitivity of pine growth at Carpathian cliff sites
skos:notation
RIV/67179843:_____/12:00384015!RIV13-AV0-67179843
n13:predkladatel
n14:ico%3A67179843
n3:aktivita
n11:Z n11:P n11:I
n3:aktivity
I, P(ED1.1.00/02.0073), P(EE2.4.31.0056), Z(MSM6215648905)
n3:cisloPeriodika
July 2012
n3:dodaniDat
n7:2013
n3:domaciTvurceVysledku
n8:5539498
n3:druhVysledku
n16:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
134464
n3:idVysledku
RIV/67179843:_____/12:00384015
n3:jazykVysledku
n18:eng
n3:klicovaSlova
climate variability; dendroclimatology; dendroecology; drought; Tatra Mountains; Tree rings
n3:klicoveSlovo
n10:Tatra%20Mountains n10:dendroecology n10:drought n10:dendroclimatology n10:climate%20variability n10:Tree%20rings
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[22E8EABFF8DC]
n3:nazevZdroje
Agricultural and Forest Meteorology
n3:obor
n17:EH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n6:ED1.1.00%2F02.0073 n6:EE2.4.31.0056
n3:rokUplatneniVysledku
n7:2012
n3:svazekPeriodika
160
n3:tvurceVysledku
Trnka, Miroslav Kaczka, R. J. Rigling, A. Büntgen, U.
n3:wos
000305046700009
n3:zamer
n20:MSM6215648905
s:issn
0168-1923
s:numberOfPages
10
n19:doi
10.1016/j.agrformet.2012.02.011