Light, temperature and soil moisture regimes following gap formation in a semi-natural beech-dominated forest in Denmark

Ritter, Eva; Dalsgaard, Lise; Einhorn, Katrina S.

doi:10.1016/j.foreco.2004.08.011

Cited by 241 publications

(189 citation statements)

References 55 publications

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“…It is suggested, that the cause of this difference lies in the fact that, in spite of the shading by the parent stand, in 1995 a rather narrow stripe in the PP-K was exposed to side-light from isolating stripes separating the individual partial plots of the BEES. These conditions were probably similar to those which exist in forest gaps (Hull 2002;Ritter et al 2005). In 1998, separating stripes had already been grown with natural regeneration, which resulted in a considerable decrease in the side-light intensity.…”

Section: Carici Pilosae-fagetum 1995 Carici Pilosae-fagetum 1998supporting

confidence: 75%

Changes in the seasonal rhythm of two forest communities during secondary succession

Schieber

2007

Biologia

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Changes in the seasonal rhythm of two plant phytocoenoses in a submountain beech forest during secondary succession were studied. Investigations were done on four monitoring plots with different stand density over the period of four successive years. The rhythm of the associations Dentario bulbiferae-Fagetum and Carici pilosae-Fagetum reflects the course of succession processes running six years after the human impact (cutting) in the ecosystem. Results of the phenological observations of the understorey species with the focus on the changes in flowering and colour spectrum allowed to make the comparisons between both associations in connection with different phyto-climatic conditions and in dependence on time.The most conspicuous changes in the seasonal rhythm and structure of the examined associations were found in conditions of the former clear-cut, currently in succession phase. A clear decrease (56%) in number of taxons with the dominance > 1% in one association towards the end of the 4-year study period was detected here. Simultaneously, a decrease in the number of flowering species was observed, while the relative rate of species being in the vegetative stage increased considerably (from 6 to 67%) over the growing season. The course of flowering of both of the associations missed discernible trends and peaks as well as colour spectra were partially changed during four monitored successive years on the formerly unstocked area.

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Section: Carici Pilosae-fagetum 1995 Carici Pilosae-fagetum 1998supporting

confidence: 75%

Changes in the seasonal rhythm of two forest communities during secondary succession

Schieber

2007

Biologia

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“…Mountain areas with beech and coniferous species are highly representative in international silviculture literature (Clinton 2003, Gagnon et al 2004, Page -Cameron 2006, Naaf -Wulf 2007, Ritter et al 2005, Cater et al 2014. Tropical forests are also frequently studied with basic gap dynamics (Brown 1996, Van Dam 2001, d'Oliveira -Ribas 2011.…”

Section: Introductionmentioning

confidence: 99%

Light Conditions, Soil Moisture, and Vegetation Cover in Artificial Forest Gaps in Western Hungary

Kollár¹

2017

Acta Silvatica Et Lignaria Hungarica

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-One of the greatest challenges of continuous cover forest management is to find a suitable gap size in a given forest stand that will help the regeneration of economically significant tree species, and possibly control competitor species. This paper summarizes the results of a two-year intensive mapping of various bearing artificial gaps at two sites in western Hungary: a sessile-oak-hornbeam and a Turkey oak forest. Light conditions and soil moisture were measured in the gaps as abiotic variables. Hemispherical photography and a Field Scout TDR 300 Soil Moisture Meter were used. Vegetation cover as well as quantity and height of the regeneration were measured as biotic variables. There are significant differences between the middle of a gap and the closed canopy forest stands. The maximum light intensity below the canopy shows a slight northward dislocation. Correlation analysis results showed that a gap's slight, northward irradiation surplus effected soil moisture, regeneration heights, and total vegetation cover less than a gap's real shape and size, ergo, its openness did.gap / continuous cover forest management / light conditions / soil-moisture / regeneration / plant cover Kivonat -Talajnedvesség, fényviszonyok és a vegetáció borításának térbeli változása mesterséges lékekben a Nyugat-Magyarországon. A folyamatos erdőborítást biztosító erdőgazdálkodás egyik legjelentősebb kihívása egy adott erdőállomány esetében megtalálni azt a megfelelő lék méretet, amely segíti a gazdaságilag értékes fafajok felújulását, azonban lehetőség szerint korlátozza a kompetitorokat. A tanulmány összefoglalja egy két éves időtartamú intenzív felvételezés eredményeit különböző tájolású mesterséges lékekben két kísérleti területen, Nyugat-Magyarországon: egy gyertyános-kocsánytalan tölgyes és egy cseres-tölgyes erdőrészletben. A lékekben fényviszony és talajnedvesség mérések történtek, mint abiotikus változók. Hemiszférikus fényképezést és Field Scout TDR 300 talajnedvesség mérőt használtunk. Biotikus változóként vegetációborítást, az újulat mennyiségi és magassági méréseit végeztük el. Szignifikáns különbségek találhatóak a lék középpontja és a zárt lombozató erdőállomány között. A fénybesugárzás maximuma a lombkorona alatt csekély északi irányú eltolódást mutat. Az korreláció vizsgálati eredmények kimutatták, hogy a lékek csekély északi irányú besugárzástöbblete kisebb hatással bír a talajnedvességre, a csemetemagasságra és a teljes növényborítottságra, mint a lék valós alakja és mérete, tehát annak nyitottsága. lék / folyamatos erdőborítást biztosító erdőgazdálkodás / fényviszonyok / talajnedvesség / újulat / növényborítás * Corresponding author: kollart@erti.hu; H-9600 SÁRVÁR, Várkerület 30/a, Hungary

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“…The gap size depends on the number of harvested or fallen trees and alters ecological conditions of created microclimate (Denslow, Hartshorn 1994;lowman, rinker 2004;ritter et al 2005;Galhidy et al 2006). tree species have different ecological demands and their response differs due to the gap size (naaf, Wulf 2007).…”

Section: Discussionmentioning

confidence: 99%

“…Parhizkar et al (2011b) revealed that silvicultural characteristics of Fagus orientalis lipsky regenerations improved in medium-size gaps (200-500 m 2 ). Gap formation changes the quantity of received light which affects nutrient and water availability (ritter et al 2005;Galhidy et al 2006). naaf andWulf (2007) showed that by increasing the gap size and consequently light intensity, the number of species increases.…”

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confidence: 99%

Introduction of suitable species for planting in gaps of different size (case study: Loveh forest, Golestan, Iran)

Parhizkar¹,

Sagheb-Talebi²,

Shahini³

et al. 2017

J. For. Sci.

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Parhizkar P., sagheb-talebi K., shahini y., teimouri M. (2017): introduction of suitable species for planting in gaps of different size (case study: loveh forest, Golestan, iran). J. for. sci., 63: 9-15.this study was carried out in loveh forest, north of iran. We measured the quantitative characteristics of seedlings including collar diameter (measured at 1 cm above the soil surface), height, and current annual height increment and calculated the mean annual increments of height and diameter. ten gaps with the same climatic, edaphic and topographic conditions were selected. in each gap, two transects, 2 m wide, were laid along the longest (north-south) and the shortest (West-east) axis. nine sampling microplots, 4 m 2 area, were established: one at the centre, four at the edges and four under the canopy within the transects. results showed that the highest frequency of seedlings was seen in medium-size gaps (200-500 m 2 ). Quantitative characteristics of oak seedlings were better in small and medium-size gaps. there was a significant difference in the length of spring shoots, mean annual increment of height and mean annual increment of diameter between the species. Hornbeam, wild service and wild cherry seedlings are recommended for faster gap recovery, as the results showed that these species had the highest values of studied variables.

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Light, temperature and soil moisture regimes following gap formation in a semi-natural beech-dominated forest in Denmark

Cited by 241 publications

References 55 publications

Changes in the seasonal rhythm of two forest communities during secondary succession

Changes in the seasonal rhythm of two forest communities during secondary succession

Light Conditions, Soil Moisture, and Vegetation Cover in Artificial Forest Gaps in Western Hungary

Introduction of suitable species for planting in gaps of different size (case study: Loveh forest, Golestan, Iran)

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