Bioenergy and biodiversity: Intensified biomass extraction from hedges impairs habitat conditions for birds

Sauerbrei, Ralf; Aue, Birgit; Krippes, Christian; Diehl, Eva; Wolters, Volkmar

doi:10.1016/j.jenvman.2016.11.052

Cited by 8 publications

(4 citation statements)

References 75 publications

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“…Five years after the first detection of USUV in southwest Germany, the circulation of the virus resulted in an additional decline of ≈15.7% in the common blackbird populations compared with the development of populations not affected by USUV. Avian populations are under different threats, including changes of land use and climate change ( 15 , 24 ). The emergence of USUV in Europe is a further threat that can cause substantial changes in ecosystem services provided by birds, such as seed dispersal ( 50 ).…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, 20 years after the first observed outbreak of USUV in Europe ( 11 ), a reliable assessment of the large-scale impact of USUV outbreaks on bird populations is missing. Identifying the population-level effects of the disease is challenging, because they must be distinguished from natural population fluctuations driven by environmental factors such as climate ( 15 ) or land use change ( 24 ). Thus, the analyses require long-term bird abundance data that extend before and after the emergence of the disease and that cover areas with and without circulation of the pathogen.…”

mentioning

confidence: 99%

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Distribution of Usutu Virus in Germany and Its Effect on Breeding Bird Populations

Lühken¹,

Jöst²,

Cadar³

et al. 2017

Emerg. Infect. Dis.

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Usutu virus (USUV) is an emerging mosquitoborne flavivirus with an increasing number of reports from several countries in Europe, where USUV infection has caused high avian mortality rates. However, 20 years after the first observed outbreak of USUV in Europe, there is still no reliable assessment of the large-scale impact of USUV outbreaks on bird populations. In this study, we identified the areas suitable for USUV circulation in Germany and analyzed the effects of USUV on breeding bird populations. We calculated the USUV-associated additional decline of common blackbird (Turdus merula) populations as 15.7% inside USUV-suitable areas but found no significant effect for the other 14 common bird species investigated. Our results show that the emergence of USUV is a further threat for birds in Europe and that the large-scale impact on population levels, at least for common blackbirds, must be considered.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Distribution of Usutu Virus in Germany and Its Effect on Breeding Bird Populations

Lühken¹,

Jöst²,

Cadar³

et al. 2017

Emerg. Infect. Dis.

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“…In vineyard agroecosystems, linear habitats have been shown to support high levels of heteropteran diversity, community structure being largely determined by plant abundance and diversity or vegetation architecture [39,[60][61][62]. Hedgerows are structurally diverse and botanically complex elements that potentially provide a wide range and a high amount of resources [51,[63][64][65]. In addition, their plant composition, dominated by shrub-arboreal vegetation, makes these linear elements more stable over time than grass strips.…”

Section: Taxonomical Response Of the Communitymentioning

confidence: 99%

Linear Landscape Elements and Heteropteran Assemblages within Mediterranean Vineyard Agroecosystems

et al. 2022

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In agricultural systems, linear habitat features and resource shifting over the season can shape insect communities. When evaluating insect assemblages, the use of trait-based approaches allows measuring of the functional component of diversity which, combined with a taxonomical perspective, may help to understand how environmental factors drive community structuring. In Mediterranean vineyard agroecosystems, we assessed Heteroptera communities to evaluate linear habitat type (hedgerow vs. grass strip) and seasonality drive assemblages from both a taxonomical and a trait-based perspective. Morphometric traits related to dispersal ability or microhabitat and resource use were measured. Heteroptera community composition varied from hedgerows to strips and also changed over the season. However, the taxonomical response was not as strong as the trait one. Trait composition of the omnivorous heteropteran community remained stable when compared to those of phytophagous and predatory heteropterans, which were more sensitive to the evaluated factors. Given that each linear habitat type supports communities with different trait compositions, we highlight the importance of preserving a variety of habitats to achieve a high functional diversity. We also emphasize the need to develop studies at different spatial scales that allow to better understand the significance of landscape elements on shaping insect assemblages across different climatic regions.

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“…Recent forest management approaches have the two opposite objectives of maximizing the amount of CWD left in forests, and at the same time extracting as much raw material as possible (Kabrick et al 2019). Generally, CWD harvest negatively affects forest biodiversity (Persson et al 2013, Kline et al 2015, especially wood-dependent organisms (such as beetles, fungi, and lichens), under-storey vegetation (Ranius et al 2018), and birds (Sauerbrei et al 2017). Pest saproxilic species are favored more compared to other saproxilic species by some forms of deadwood (Ranius et al 2018).…”

Section: Ecosystem Services From Coarse Woody Debrismentioning

confidence: 99%

Modeling persistence of coarse woody debris residuals in boreal forests as an ecological property

et al. 2021

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There is a trade-off between leaving coarse woody debris (CWD) in the stand, providing desirable ecosystem services, and harvesting it. To consider this trade-off, forest management needs to model describing the decomposition of CWD. When a trunk is lying on the ground, it can be attacked by microorganisms faster than when it is still standing. Current decomposition models fail to account for these local differences in processes, which may give rise to errors in the estimation of stand C balance. We extended the Q decomposition model to represent the influences of tree species and the local position of the wood. We utilized data from two studies on long-term deadwood decomposition in forests. We first calibrated the model on the whole dataset, and then divided the data into different CWD decomposition classes, and then allowed some of the parameters to vary between different CWD decomposition classes. The calibrations were performed within a Bayesian framework, which allowed for a statistically sound comparison of the calibration results. The difference between the remaining C mass predicted by the two versions of the model, one considering one single calibration for all decomposition classes and one specific to decomposition classes, depended on the CWD class but was in general substantial. Some classes, when modeled with a specific parameterization, resulted in C stocks after 50 yr 1-5 times less than that predicted by the single parameterization model. Logs decayed faster than snags, and birch wood much faster than pine and spruce wood, with little difference between the two conifers. Russian spruce wood decomposed somewhat faster than Finnish spruce wood. Incorporating our calibration, describing specifically the processes driving the wood decay locally, into a C balance model of forests may change model estimates substantially.

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Bioenergy and biodiversity: Intensified biomass extraction from hedges impairs habitat conditions for birds

Cited by 8 publications

References 75 publications

Distribution of Usutu Virus in Germany and Its Effect on Breeding Bird Populations

Distribution of Usutu Virus in Germany and Its Effect on Breeding Bird Populations

Linear Landscape Elements and Heteropteran Assemblages within Mediterranean Vineyard Agroecosystems

Modeling persistence of coarse woody debris residuals in boreal forests as an ecological property

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