Tree microhabitat structures as indicators of biodiversity in Douglas-fir forests of different stand ages and management histories in the Pacific Northwest, U.S.A.

Michel, Alexa K.; Winter, Susanne

doi:10.1016/j.foreco.2008.11.027

Cited by 141 publications

(114 citation statements)

References 32 publications

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“…The bark of Douglas-fir provides important habitat for a variety of insects, spiders, and bats [45]. Several songbird species have specialized to forage on the bark of Douglas-fir and other species.…”

Section: Bark Characteristicsmentioning

confidence: 99%

Forest Restoration Using Variable Density Thinning: Lessons from Douglas-Fir Stands in Western Oregon

Puettmann

Ares

Burton

et al. 2016

Forests

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A large research effort was initiated in the 1990s in western United States and Canada to investigate how the development of old-growth structures can be accelerated in young even-aged stands that regenerated following clearcut harvests, while also providing income and ecosystem services. Large-scale experiments were established to compare effects of thinning arrangements (e.g., spatial variability) and residual densities (including leave islands and gaps of various sizes). Treatment effects were context dependent, varying with initial conditions and spatial and temporal scales of measurement. The general trends were highly predictable, but most responses were spatially variable. Thus, accounting for initial conditions at neighborhood scales appears to be critical for efficient restoration. Different components of stand structure and composition responded uniquely to restoration thinnings. Achieving a wide range of structures and composition therefore requires the full suite of silvicultural treatments, from leave islands to variable density thinnings and creation of large gaps. Trade-offs among ecosystem services occurred as result of these contrasting responses, suggesting that foresters set priorities where and when different vegetation structures are most desirable within a stand or landscape. Finally, the results suggested that foresters should develop restoration approaches that include multiple treatments.

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Section: Bark Characteristicsmentioning

confidence: 99%

Forest Restoration Using Variable Density Thinning: Lessons from Douglas-Fir Stands in Western Oregon

Puettmann

Ares

Burton

et al. 2016

Forests

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“…Among other attributes the number of large trees is of special interest as they usually provide microhabitats that enhance forest biodiversity (Michel & Winter, 2008;Fritz & Heilmann-Clausen, 2010), especially that of lichens and bryophytes (Fritz & Heilmann-Clausen, 2010) on which many species of Psychidae feed. Furthermore, both these attributes are easily recognizable during a rapid assessment of forest and provide a quick picture of the extent of old-growth in a given forest.…”

Section: Discussionmentioning

confidence: 99%

“…In some cases data are in agreement with its postulates as is recorded for moths (Usher & Keiller, 1998;Fuentes-Montemayor et al, 2012), but not in other cases, for example, birds (Cherkaoui et al, 2009). Tree species diversity infl uence the composition of lepidopteran communities at fi ne scales (Ostaff & Quiring, 2000), whereas as at larger scales other determinants Relationships between Psychidae communities (Lepidoptera: Tineoidea) and the ecological characteristics of old-growth forests in a beech dominated landscape INTRODUCTION There is a large body of literature on the relationships between biodiversity and forests attributes that investigate the parameters associated with species richness (Michel & Winter, 2008;Moning & Müller, 2009;Blasi et al, 2010;Fritz & Heilmann-Clausen, 2010;Janssen et al, 2011), especially of declining species (Nieto & Alexander, 2010).…”

mentioning

confidence: 99%

“…Forest age determines lichen, mollusc and bird diversity (Moning & Müller, 2009), tree species composition affects the composition of animal communities (Ostaff & Quiring, 2000;Cherkaoui et al, 2009;Janssen et al, 2011), and tree density and basal area affect diversity in tropical dry forests (Sagar & Singh, 2006). Microhabitat diversity seems to be one of the most important parameters linked to high levels of biodiversity, especially in old-growth forests (Michel & Winter, 2008;Fritz & Heilmann-Clausen, 2010). species with forest attributes characterizing old-growth beech forests in order to propose appropriate management strategies.…”

mentioning

confidence: 99%

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Relationships between Psychidae communities (Lepidoptera: Tineoidea) and the ecological characteristics of old-growth forests in a beech dominated landscape

Scalercio¹,

Bonacci²,

Turco³

et al. 2016

Eur. J. Entomol.

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“…In contrast, SMI is based on three stand characteristics which are easy to obtain: tree species, stand age and growing stock, which is heavily influenced by logging intensity. Interactions of the three factors are known to be of major importance for biodiversity issues (Bengtsson et al 2000;Bagnaresi et al 2002;Atlegrim and Sjöberg 2004;Ishii et al 2004;Eriksson and Hammer 2006;Schroeder 2007;Wilson and Puettmann 2007;Rosenvald and Lõhmus 2008;Smith et al 2008;Michel and Winter 2009;Felton et al 2010;Quine and Humphrey 2010).…”

Section: Smi and Biodiversitymentioning

confidence: 99%

How to quantify forest management intensity in Central European forests

2013

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Existing approaches for the assessment of forest management intensity lack a widely accepted, purely quantitative measure for ranking a set of forest stands along a gradient of management intensity. We have developed a silvicultural management intensity indicator (SMI) which combines three main characteristics of a given stand: tree species, stand age and aboveground, living and dead wooden biomass. Data on these three factors are used as input to represent the risk of stand loss, which is a function of tree species and stand age, and stand density, which is a function of the silvicultural regime, stand age and tree species. Consequently, the indicator consists of a risk component (SMI r ) and a density component (SMI d ). We used SMI to rank traditional management of the main Central European tree species: Norway spruce (Picea abies [Karst.] L.), European beech (Fagus sylvatica L.), Scots pine (Pinus sylvestris L.), and oak (Quercus robur L. and Quercus petraea L.). By analysing SMI over their whole rotation period, we found the following ranking of management intensity: oak\beech\pine(spruce. Additionally, we quantified the SMI of actual research plots of the German Biodiversity exploratories, which represent unmanaged and managed forest stands including conifer forests cultivated outside their natural range. SMI not only successfully separate managed from unmanaged forests, but also reflected the variability of forest management and stand properties across the entire sample and within the different management groups. We suggest using SMI to quantify silvicultual management intensity of stands differing in species composition, age, silvicultural system (even-aged vs. uneven-aged), thinning grade and stages of stand conversion from one stand type into another. Using SMI may facilitate the assessment of the impact of forest management intensity on biodiversity in temperate forests.

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Tree microhabitat structures as indicators of biodiversity in Douglas-fir forests of different stand ages and management histories in the Pacific Northwest, U.S.A.

Cited by 141 publications

References 32 publications

Forest Restoration Using Variable Density Thinning: Lessons from Douglas-Fir Stands in Western Oregon

Forest Restoration Using Variable Density Thinning: Lessons from Douglas-Fir Stands in Western Oregon

Relationships between Psychidae communities (Lepidoptera: Tineoidea) and the ecological characteristics of old-growth forests in a beech dominated landscape

How to quantify forest management intensity in Central European forests

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