Temporal shifts of climate–growth relationships of Norway spruce as an indicator of health decline in the Beskids, Slovakia

Bošeľa, Michal; Sedmák, Róbert; Sedmáková, Denisa; Marušák, Róbert; Kulla, Ladislav

doi:10.1016/j.foreco.2014.03.055

Cited by 38 publications

(23 citation statements)

References 58 publications

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“…The reduction of silver fir in the lower and middle layer observed in our study is the direct consequence of this lack of saplings and virtually no ingrowth into these layers. As for Norway spruce, the overall significant decrease of its proportion in all stand layers seems to be the result of multiple factors associated with the recent climate changes such as increasing temperature, lower precipitation rates, more frequent severe disturbances and a more intense impact of bark beetle [11,[62][63][64]. Despite the still relatively high proportion of Norway spruce (24% of the growing stock) in the locality investigated in our study, we recorded a low density of seedlings and saplings, indicating a serious problem for the maintenance of this tree species in studied stands.…”

Section: Discussionmentioning

confidence: 99%

Structural Diversity in a Mixed Spruce-Fir-Beech Old-Growth Forest Remnant of the Western Carpathians

Parobeková

Pittner

Kucbel

et al. 2018

Forests

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Old-growth forests are a unique source of information for close-to-nature silviculture. In the National Nature Reserve Dobročský prales (Slovakia), a remnant of mixed old-growth forests of the Western Carpathians, we analyzed changes in tree species composition, stand structure, and creation and closure of canopy gaps. The results were based on data from forest inventories of an entire reserve conducted in 1978 and 2015, extended by detailed measurements in a research plot of 250 × 250 m. We observed the expansion of common beech (Fagus sylvatica L.) at the expense of conifers (Abies alba Mill., Picea abies L. Karst.) in all layers of the stand. Due to a lack of conifers in the category of saplings >130 cm and an abundance of coniferous deadwood, we hypothesize that this development will lead to the dominance of beech. All development stages revealed a reverse J-shaped diameter structure; however, they differed in the majority of basic stand characteristics (e.g., growing stock, basal area, tree density, deadwood volume). Most of the structural indices did not differ between development stages, confirming a relatively high degree of structural differentiation throughout the development cycle. The total gap area reached 18%, with the dominance of small gaps ≤100 m 2 . Nevertheless, only canopy gaps >100 m 2 formed by the mortality of three or more trees were of higher importance for the extensive establishment of natural regeneration.

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Section: Discussionmentioning

confidence: 99%

Structural Diversity in a Mixed Spruce-Fir-Beech Old-Growth Forest Remnant of the Western Carpathians

Parobeková

Pittner

Kucbel

et al. 2018

Forests

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“…Several studies reported a change in climate sensitivity and temporal stability toward the end of the 20 th century (e.g. Briffa et al, 1998;Di Filippo et al, 2007;Leal et al, 2008;Bošeľa et al, 2014b). This deviation may thus cause a problem in the application of the com- bined dating method.…”

Section: Discussionmentioning

confidence: 99%

Cross-dating tree-ring series of living European beech by isochronic weather records

et al. 2016

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Abstract:The main objective of the study is to facilitate cross-dating of sensitive tree-ring series from living European beech (Fagus sylvatica L.) trees in the absence of a regional chronology. The main idea lies in the preliminary dating of marker rings or ring patterns visually identified on the wood (before the ring-width measurements), which is independently validated through a moving correlation between a tentative reference chronology and instrumental climate records (after the ringwidth measurements). Following the detection of low moving correlations, potentially misdated segments or series are re-examined and a new tentative reference chronology is constructed. The process is repeated as long as a higher correlation with climate is obtainable. The applicability of this method was investigated on three difficult-to-date sets of tree-ring series of beech trees which were growing at temperature-or precipitation-sensitive locations in under-canopy or canopy positions. A good ability of the combined method for the cross-dating was practiced on datasets almost impossible to crossdate by commonly used approaches. Highlighting the actual correlation of ring widths with climate in tree-ring series makes the cross-dating process more independent from human decisions, so the combined cross-dating has the potential to improve the reliability of various dendrochronological studies.

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“…The effects of climate based on stand age have implications related to forest productivity (Bond, 2000), carbon cycles (Viveros-Viveros et al, 2009) and mechanisms of adaptation to climate change (Bošel'a et al, 2014). For example, in the study area, the removal of mature trees of P. cooperi forests (i.e., selective logging) results in generally younger stand ages.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity of pines in Mexico to temperature varies with age

Pompa-García

Hadad

2016

ATM

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RESUMENMéxico tiene abundancia de especies de Pinus, con P. cooperi como especie dominante de gran importancia ecológica. En este estudio se comparó la sensibilidad climática de dos clases de edad de árboles de P. cooperi que crecen en la Sierra Madre Occidental: jóvenes (< 80 años) y maduros (≥ 80 años). Se desarrolló una curva regional de estandarización del crecimiento del ancho de anillo para las dos clases de edad. El análisis estadístico mostró que el crecimiento anual del ancho de anillo del árbol fue similar entre las dos clases. Sin embargo, se encontró que el efecto de temperaturas elevadas durante el invierno previo son dependientes de la edad; esto es, temperaturas máximas y mínimas tienen efectos opuestos en el crecimiento subsecuente del árbol. Inviernos cálidos tienen efectos negativos en el crecimiento radial, y éstos son más fuertes en árboles jóvenes que en maduros; mientras que las temperaturas mínimas promueven el crecimiento. Sin embargo, no hubo diferencia en crecimiento radial entre las dos clases de edad con base en la precipitación. En escenarios de cambio climático, un incremento de la temperatura podría afectar más a los árboles jóvenes que a los maduros. Estos efectos de temperatura elevada pueden llevar a la reducción del crecimiento y la muerte subsecuente de los árboles. Estos resultados podrían ayudar a los manejadores de bosques a desarrollar criterios relacionados con la gestión forestal para esta especie. ABSTRACTMexico has an abundance of Pinus species with P. cooperi as a dominant tree species of great ecological importance. In this study, we compared the climate sensitivity of P. cooperi trees of two age classes growing in the Sierra Madre Occidental: younger (< 80 years) and older (≥ 80 years) trees. A regional curve standardization (RCS) of growth ring width was developed for these two age classes. Our statistical analysis showed that annual tree growth was similar between the two age classes in absolute values of tree-ring widths. However, we found that the effects of rising temperatures during the previous winter are age-dependent; that is, maximum and minimum temperatures have opposite effects on the subsequent tree growth. Warming winter maximum temperatures have negative effects on radial growth, which are stronger in younger trees, whilst minimum winter temperatures enhance the growth. However, no difference in radial growth was observed between the two age classes based on precipitation. In climate change scenarios, an increase in temperature would affect younger trees of P. cooperi more than older trees. These effects of increased temperature may lead to a decrease in the growth and subsequent death of the trees. These results could help land managers to develop criteria related to forest management regarding P. cooperi.

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Temporal shifts of climate–growth relationships of Norway spruce as an indicator of health decline in the Beskids, Slovakia

Cited by 38 publications

References 58 publications

Structural Diversity in a Mixed Spruce-Fir-Beech Old-Growth Forest Remnant of the Western Carpathians

Structural Diversity in a Mixed Spruce-Fir-Beech Old-Growth Forest Remnant of the Western Carpathians

Cross-dating tree-ring series of living European beech by isochronic weather records

Sensitivity of pines in Mexico to temperature varies with age

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