Drivers of bryophyte diversity allow implications for forest management with a focus on climate change

Raabe, Stefanie; Müller, Jörg; Manthey, Michael; Dürhammer, Oliver; Teuber, Ulrich; Göttlein, Axel; Förster, Bernhard; Brandl, Roland; Bässler, Claus

doi:10.1016/j.foreco.2010.08.042

Cited by 55 publications

(37 citation statements)

References 53 publications

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“…south‐ and north‐facing slopes) or microclimatic pockets as an explanation for survival of cold‐adapted species and biodiversity despite rapid climate warmings in the past has been discussed (Hof et al ). Moreover, recent studies on the effects of micro(topo)climate, macroclimate, and dead‐wood resources or stand structures for diversity at a regional scale also corroborate the view of a potential interplay of climate and resources for wood‐inhabiting organisms such as fungi and bryophytes (Bässler et al , Raabe et al ) and forest birds (Braunisch et al ).…”

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confidence: 68%

Increasing temperature may compensate for lower amounts of dead wood in driving richness of saproxylic beetles

et al. 2014

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Global warming and land‐use change are expected to be additive threats to global diversity, to which insects contribute the highest proportion. Insects are strongly influenced by temperature but also require specific habitat resources, and thus interaction between the two factors is likely. We selected saproxylic beetles as a model group because their life cycle depends on dead wood, which is highly threatened by land use. We tested the extent to which higher temperatures compensate for the negative effects of low amounts of dead wood on saproxylic beetle species richness (Temperature–Dead wood compensation hypothesis) on both a macroclimate and a topoclimate scale (north‐ and south‐facing slopes). We analyzed 1404 flight‐interception trap catches across Europe to test for interaction effects of temperature and dead‐wood amount on species richness. To experimentally test our findings from the activity trap data, we additionally reared beetles from 80 bundles of dead wood initially exposed at high and low elevations. At the topoclimate scale, we analyzed trap catches and reared beetles from dead wood exposed in 20 forest stands on south‐facing and north‐facing slopes in one region. On the macroscale, both temperature and dead‐wood amount positively affected total and threatened species richness independently, but their interaction was significantly negative, indicating compensation. On both scales and irrespective of the method, species richness decreased with temperature decline. Our observation that increasing temperature compensates for lower amounts of dead wood has two important implications. First, managers of production forests should adapt their dead‐wood enrichment strategy to site‐specific temperature conditions. Second, an increase in temperature will compensate at least partially for poor habitat conditions in production forests. Such a perspective contrasts the general assumption of reinforcing impacts of global warming and habitat loss on biodiversity, but it is corroborated by recent range expansions of threatened beetle species.

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confidence: 68%

Increasing temperature may compensate for lower amounts of dead wood in driving richness of saproxylic beetles

et al. 2014

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“…A possible explanation is that specific clades of bryophytes are more adapted to persist in habitats with a high level of disturbance, indicative of trait conservatism within a specific lineage. In our study area, this might have reflected the ability of particular species to overcome the increased insolation caused by the experimental salvage logging (Raabe et al 2010).…”

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confidence: 99%

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Thorn

Chao

Bernhardt‐Römermann

et al. 2020

Ecology

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Following natural disturbances, additional anthropogenic disturbance may alter community recovery by affecting the occurrences of species, functional groups, and evolutionary lineages. However, our understanding of whether rare, common, or dominant species, functional groups, or evolutionary lineages are most strongly affected by an additional disturbance, particularly across multiple taxa, is limited. Here, we used a generalized diversity concept based on Hill numbers to quantify the community differences of vascular plants, bryophytes, lichens, wood‐inhabiting fungi, saproxylic beetles, and birds in a storm‐disturbed, experimentally salvage logged forest. Communities of all investigated species groups showed dissimilarities between logged and unlogged plots. Most species groups showed no significant changes in dissimilarities between logged and unlogged plots over the first seven years of succession, indicating a lack of community recovery. In general, the dissimilarities of communities were mainly driven by rare species. Convergence of dissimilarities occurred more often than divergence during the early stages of succession for rare species, indicating a major role in driving decreasing taxonomic dissimilarities between logged and unlogged plots over time. Trends in species dissimilarities only partially match the trends in dissimilarities of functional groups and evolutionary lineages, with little significant changes in successional trajectories. Nevertheless, common and dominant species contributed to a convergence of dissimilarities over time in the case of the functional dissimilarities of wood‐inhabiting fungi. Our study shows that salvage logging following disturbances can alter successional trajectories in early stages of forest succession following natural disturbances. However, community changes over time may differ remarkably in different taxonomic groups and are best detected based on taxonomic, rather than functional or phylogenetic dissimilarities.

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“…Compared to vascular plants, bryophytes also have relatively strong dispersal and high spore (or propagule) production, thus increasing the local availability of species from the regional pool (Gignac ; Raabe et al. ), which can potentially enhance community‐level responses to environmental change (Cottenie & De Meester ). Few studies have made similar comparisons between bryophytes and vascular plants.…”

Section: Discussionmentioning

confidence: 99%

Long‐term community change: bryophytes are more responsive than vascular plants to nitrogen deposition and warming

Becker‐Scarpitta

Bardat

Lalanne

et al. 2017

J Vegetation Science

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Aims Many studies of vegetation change over multiple decades have focused on vascular plants, but very few on bryophytes, despite the importance of bryophytes for overall plant biodiversity and ecosystem functioning. Using a repeated survey of vascular plants and bryophytes in a forest ecosystem, we tested predictions of the hypotheses that: (1) vegetation change has been driven by N deposition and climate warming, and (2) bryophytes are more responsive to environmental change than vascular plants. Location Lowland temperate forest, northwest France. Methods In forest plots initially surveyed in 1976, we re‐surveyed both vascular plants and bryophytes in 2009 and 2012, respectively. We analysed changes in α‐diversity, β‐diversity, and species composition, and we used community‐weighted mean values of species affinities for temperature, light, pH, soil moisture and N to assess the temporal responses potentially caused by warming, N deposition, or possibly a changing light regime. Results We observed significantly increased species richness of bryophytes and decreased richness of vascular plants. Community affinities to N, pH and temperature increased significantly for bryophytes, but not for vascular plants, although the change over time in N affinities for vascular plants was qualitatively in the predicted direction. Bryophytes showed a higher magnitude of temporal community change than vascular plants, both in terms of overall species composition and environmental affinities, indicating a higher responsiveness of bryophytes to environmental change. Conclusion Overall, the result of more marked temporal community change for bryophytes suggests that the many studies of changes in vascular plant communities over time might underestimate the sensitivity of the broader plant community (including cryptogams) to environmental change.

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Drivers of bryophyte diversity allow implications for forest management with a focus on climate change

Cited by 55 publications

References 53 publications

Increasing temperature may compensate for lower amounts of dead wood in driving richness of saproxylic beetles

Increasing temperature may compensate for lower amounts of dead wood in driving richness of saproxylic beetles

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Long‐term community change: bryophytes are more responsive than vascular plants to nitrogen deposition and warming

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