Renaturierung von Waldökosystemen

Zerbe, Stefan

doi:10.1007/978-3-8274-2161-6_6

Cited by 6 publications

(7 citation statements)

References 39 publications

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“…High population density of herbivores (e.g. roe deer -Capreolus capreolus) and subsequent high browsing pressure is a constraint for forest regeneration which has been addressed in many studies on European forests (Gill, 1992;Homolka and Heroldová, 2003;Mysterud and Østbye, 2004;Zakrisson et al, 2007;Zerbe, 2009). In particular, in anthropogenic coniferous forests the regeneration of broad-leaved trees is often hampered by herbivores (Nessing and Zerbe, 2002).…”

Section: General Driving Factorsmentioning

confidence: 99%

“…Currently, many of these monocultures are converted into more natural forests, which may serve various functions, such as timber production, recreation, resource protection, and species and habitat protection (Zerbe, 2009). There is a wide range of different forest managements and in particular conversion practices, which aim at the development of multifunctional, mixed-species broad-leaved forests.…”

Section: Introductionmentioning

confidence: 99%

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Driving factors for natural tree rejuvenation in anthropogenic pine (Pinus sylvestris L.) forests of NE Germany

Mirschel

Zerbe

Jansen

2011

Forest Ecology and Management

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Section: General Driving Factorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Driving factors for natural tree rejuvenation in anthropogenic pine (Pinus sylvestris L.) forests of NE Germany

Mirschel

Zerbe

Jansen

2011

Forest Ecology and Management

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“…Pioneer tree species can regenerate rapidly and successfully colonize large areas in years of high seed production (Perala & Alm 1990, Leder 1992, Raspé et al 2000, Argus 2006. As a consequence, pioneer tree species can mitigate negative consequences associated with disturbed areas, such as soil erosion and the loss of nutrients (Barnes et al 1998, Schölch 1998, Argus 2006, Zerbe 2009, Fischer et al 2016. However, pioneer tree species exhibit irregular seed production patterns (mast years -Sarvas 1952, Bjorkbom 1967, Holm 1994, Osumi & Sakurai 1997, Sperens 1997, Hynynen et al 2010.…”

Section: Introductionmentioning

confidence: 99%

Soil seed banks of pioneer tree species in European temperate forests: a review

Tiebel¹,

Huth²,

Wagner³

2018

iForest

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The ability of short-lived tree species such as birch, alder, willow, poplar and rowan to form even a short-term soil seed bank is discussed controversially in the literature. Soil seed banks are an important component of succession and regeneration in ecosystems. Following disturbance, buried viable seeds germinate and the seedlings that establish cover the disturbed, exposed soil surfaces. The objective of this study was to review the literature on soil seed bank research carried out in central and north-west European temperate forests to provide an overview of the ability of pioneer tree species to form a viable seed bank. The review of 33 publications revealed that birch is the only pioneer tree species of temperate forests with longer-lived seeds, persisting in the soil for 1-5 years. Birch seeds remain viable in deeper soil layers (5-10 cm), so birch may be assigned to the short-term persistent soil seed bank type. The seeds of alder, willow and poplar would appear to be short-lived. Maximum seed densities of all tree species were found in the upper soil layers. With increasing soil depth, seed density declined. Viable seeds of rowan were not detected in any of the soil seed bank studies, although seed trees were present. We found that in spite of the capacity for long seed dispersal distances, high densities of birch, alder and willow seeds were only observed in close proximity to seed trees. The higher the numbers of seed trees, the higher the seed densities in soils. Maximum seed densities were recorded during and shortly after seed rains had occurred. Our results reveal that a birch seed bank may compensate for years of low seed production levels. However, as the seed bank is only short-term persistent, it must be supplemented by fresh seeds from surrounding seed trees as often as possible to guarantee a continuous capacity for regeneration.

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“…Risk management plans usually exist, including security measures against flood and heavy pollution, vandalism, or disease proliferation [45]. More detailed guidelines for successful implementation of CWs for biodiversity protection or enhancement can be derived from ecological theory [26]; [25]. In Table I a list of issues is presented which allows a successful implementation of CWs.…”

Section: A Theoretical Considerationsmentioning

confidence: 99%

“…However, such attempts often lack information about the ecological foundations of successional changes and those factors that regulate biodiversity [7]. The formerly accepted conceptual model of restoration site development [23], [24] was later developed beyond a deterministic understanding of succession to a climax [25]. This was mainly a result of accumulating evidence from restorative case studies [26] and a focus on historical processes in community assembly and succession [27].…”

mentioning

confidence: 99%

To What Extent Can Constructed Wetlands Enhance Biodiversity?

Wiegleb¹,

Dahms‬²,

Byeon³

et al. 2017

IJESD

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Abstract-We carried out a literature review to find evidence from empirical studies that constructed wetlands (CWs) can increase biodiversity at the site or landscape level. A set of criteria from general and theoretical ecology was developed that we found useful for defining 'best practice' in the construction of wetlands (e.g. landscape connectivity, area versus size, disturbance regime). Thereafter, we analyzed 21 original research papers where biodiversity development after wetland construction was documented. Wetland construction is a established routine procedure serving various purposes in environmental protection, such as waste water retention and treatment. 'Best practice' criteria with respect to biodiversity protection were not regularly applied during the construction and monitoring process. The published records were substantially different as far as methodological approaches and aims are concerned. They contained short-term snapshot studies to long-term monitoring of biotic and abiotic conditions. Only a few case studies were published in international journals where biodiversity improvement in terms of specific biodiversity indicators was well-documented. A general conclusion whether or not biodiversity is enhanced by CWs cannot be drawn from the published record. As there are confirming results in some studies, we conclude that under certain circumstances constructed wetlands can be useful complements to other biodiversity conservation strategies.

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Renaturierung von Waldökosystemen

Cited by 6 publications

References 39 publications

Driving factors for natural tree rejuvenation in anthropogenic pine (Pinus sylvestris L.) forests of NE Germany

Driving factors for natural tree rejuvenation in anthropogenic pine (Pinus sylvestris L.) forests of NE Germany

Soil seed banks of pioneer tree species in European temperate forests: a review

To What Extent Can Constructed Wetlands Enhance Biodiversity?

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