Interaction of gap age and microsite type for the regeneration of Picea abies

Kathke, Sabine; Bruelheide, Helge

doi:10.1016/j.foreco.2010.01.036

Cited by 26 publications

(29 citation statements)

References 44 publications

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“…This is probably the main reason why the variation between the two sites is small. In addition, there was no increase in mortality of saplings on the logs in disturbed area, as expected (Kathke, Bruelheide 2010). This is probably because during bark beetle …”

Section: Discussionsupporting

confidence: 79%

“…In the undisturbed site, Eustaška, the amount of light exposure should be considerably lower due to the dense stand conditions of the parent stand and could affect the growth rate. However, stands in these subalpine spruce forests allow for continuous sapling growth because the canopy in these forests is not fully closed allowing sufficient light to penetrate to the logs for successful sapling development and regeneration (Kathke, Bruelheide 2010). Improvement of light conditions in disturbed sites does not have an immediate effect on the height growth of saplings and it can take several years for the post-disturbance conditions to take effect (Metslaid et al 2005).…”

Section: Discussionmentioning

confidence: 99%

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Stand-replacing disturbance does not directly alter the succession of Norway spruce regeneration on dead wood

2014

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Density of regeneration in European subalpine Norway spruce (Picea abies) forests is typically low with regeneration primarily located on dead or decaying wood. The post-disturbance development of this regeneration is crucial for natural forest succession. The aim was to identify the influence of disturbance on regeneration on decaying logs immediately after a severe disturbance event. Study plots were established in two subalpine spruce forests: the first, an undisturbed site located in the Hrubý Jeseník Mts. and the second site in the Šumava Mts. that has experienced recent severe disturbance. Regeneration density increased between 2008 and 2011 by 7% (0.29 individuals per square meter of log) at the undisturbed site and by 33% (3.24 individuals per square meter of log) at the disturbed site. The increased regeneration density observed at the disturbed site was mostly associated with the smallest saplings. The highest increase in regeneration density was observed on logs with the largest diameters. Three years after severe disturbance caused 100% mortality of the parent stand in the Bohemian Forest, no significant effect was recorded on the growth rate and survival of established spruce saplings on dead wood.

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Section: Discussionsupporting

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Stand-replacing disturbance does not directly alter the succession of Norway spruce regeneration on dead wood

2014

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“…Many references can be found about regeneration processes and conditions (Kathke and Bruelheide, 2010;Barja et al, 2009;Maltez-Mouro et al, 2009;Kabrick et al, 2008;Darabant et al, 2007;Oliver, 2007;Bolte and Villanueva, 2006;Paluch, 2005;Oliver, 2003;Rozas, 2002;Page et al, 2001;Burschel et al, 1992) as well as to stand diversity analysis (Ruprecht et al, 2010;Graz, 2004;Pommerening, 2006;Pommerening, 2002;Pretzsch, 1998).…”

Section: Regeneración En Bosques Mixtos En La Serra Da Lousamentioning

confidence: 99%

Regeneration in multi-species in Serra da Lousã

Gonçalves

Oliveira²

2011

For. syst.

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Stand regeneration is one of the most important aspects of silviculture as it ensures stand and production perpetuity. Regeneration occurs after one or several disturbances releasing growing space, usually after the elimination of some adult trees. In Northern and Central Portugal many maritime pine old growth stands have natural regeneration of several broadleaved species, in particular sweet chestnut and English oak. In multi-species stands regeneration and recruitment analysis should consider both density and diversity measures. A series of permanent plots established in Serra da Lousã made it possible to characterise the existing natural regeneration and its evolution with two successive measurements in 2001 and 2009. All individuals with a diameter at breast height equal or less than 5 cm were considered as regeneration. Their recruitment was evaluated in 2009 and analysed as a function of absolute stand density measures and seven diversity indices. The results revealed that recruitment rate was high and that there was a trend towards a balance in terms of species and their proportions, while maintaining a tendency towards clustering and segregation according to the Clark and Evans and the Pielou indices, respectively.

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“…Š amonil et al (2010) point out in their review that the proportion of the area covered by pit-and-mound complexes, and the often implicitly linked increased radiation levels, can hardly be related to the disturbance regime in terms of wind force. Many storm-induced microsites, especially dead wood (Zielonka 2006;Kathke and Bruelheide 2010), but in some cases also more stabilized pits and mounds (DeLong et al 1997), become available for regeneration only several years to decades after formation, to some extent decoupling light availability from substrate availability (Kathke and Bruelheide 2010). The focus of most studies on gaps and light conditions, combined with the often overlooked longevity of storm-induced microsites, implies that the role of the latter in providing suitable, well-located establishment sites may have been recently underestimated (e.g.…”

Section: Regeneration Strategiesmentioning

confidence: 99%

“…The focus of most studies on gaps and light conditions, combined with the often overlooked longevity of storm-induced microsites, implies that the role of the latter in providing suitable, well-located establishment sites may have been recently underestimated (e.g. in Kathke and Bruelheide 2010). Also, several unexpected findings point in the direction of factors other than radiation, such as substrate suitability, nutrient availability, below-ground competition, and regeneration strategy (e.g.…”

Section: Regeneration Strategiesmentioning

confidence: 99%

The influence of storm-induced microsites to tree regeneration patterns in boreal and hemiboreal forest

Vodde

Jõgiste

Kubota

et al. 2011

Journal of Forest Research

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We reviewed studies dealing with regeneration under variable conditions in boreal and hemiboreal forests as affected by different microsite types by tree species functional groups. Generally, the importance of storminduced microsites for regeneration dynamics in boreal forests depends on several factors: (1) distribution and type of microsites (generated by storm characteristics and stand conditions); (2) viable seed supply (stand history, species dispersal traits and status of surviving trees) and their species' life history strategy; (3) climatic and site conditions (pre-storm conditions and storm-induced changes); and (4) delayed storm effects, such as retarded falling of trees, favoured vegetation growth, etc. Studies acknowledging the significance of microsites were mostly related to intermediate or severe events, causing sufficient changes in resource levels and growth conditions, and influencing extrinsic factors such as frost heaving, erosion and browsing. Also, the dispersal traits of available tree species, including sprouting and response of surviving trees, such as canopy expansion, should be considered in evaluating microsite importance in individual cases. In intermediate to severe windstorm events, pioneer species are generally profiting most from the additional offer in microsites, requiring bare mineral soil and elevated locations for their establishment and growth. Under gap dynamics, shade-tolerant species benefit from dead wood and elevated locations as these offer safe sites in stands with abundant understorey vegetation.

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Interaction of gap age and microsite type for the regeneration of Picea abies

Cited by 26 publications

References 44 publications

Stand-replacing disturbance does not directly alter the succession of Norway spruce regeneration on dead wood

Stand-replacing disturbance does not directly alter the succession of Norway spruce regeneration on dead wood

Regeneration in multi-species in Serra da Lousã

The influence of storm-induced microsites to tree regeneration patterns in boreal and hemiboreal forest

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