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Uhl, Britta ; Krah, Franz-Sebastian ; Baldrian, Petr ; Brandl, Roland ; Hagge, Jonas ; Müller, Jörg ; Thorn, Simon ; Vojtech, Tlaskal ; Bässler, Claus:
Snags, logs, stumps, and microclimate as tools optimizing deadwood enrichment for forest biodiversity.
In: Biological Conservation.
Bd. 270
(2022)
.
- 109569.
ISSN 0006-3207
DOI: https://doi.org/10.1016/j.biocon.2022.109569
Abstract
The reduction of deadwood due to forest management threatens saproxylic diversity. Therefore, deadwood needs to be preserved and enriched. While the importance of deadwood tree identity is well investigated, the value of different object types and microclimate for diversity is insufficiently understood. Conservation-oriented forest management, therefore, requires guidelines on how deadwood types under various microclimatic conditions can help to sustain saproxylic diversity. We set up an experiment in sub-montane beech forest to disentangle effects of microclimate (sun vs. shade) and deadwood types (logs, stumps, snags). By surveying beetles, fungal fruiting bodies, and fungal molecular taxa (amplicon sequence variants, ASVs) in early-decomposition stage deadwood, we asked: (i) What is the relative importance of deadwood types vs. microclimate on saproxylic α- and β-diversity? (ii) What is the importance of stumps, logs, and snags for saproxylic α- and β-diversity? (iii) Which combinations of microclimate and deadwood type maximize γ-diversity? Deadwood types had a stronger effect on α- and β-diversity of all groups than microclimate, which was not significant in most cases. Among deadwood types, α-diversity was higher on logs than on other deadwood types for beetles and fungal fruiting species. Fungal ASVs reached high α-diversity on snags. Considering effective combinations of deadwood types and microclimate in their contribution to γ-diversity, shaded and sunny logs showed most importance for beetles and fruiting fungi, while sunny snags were important for fungal ASVs. Maintenance of saproxylic diversity is therefore best achieved via enrichment of different deadwood types and by emphasizing logs and snags under variable microclimates.
Weitere Angaben
| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Keywords: | Coleoptera; Beetles; Sporocarps; Fungi; Conservation management; Forest biodiversity |
| Institutionen der Universität: | Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Biologie > Lehrstuhl Ökologie der Pilze > Lehrstuhl Ökologie der Pilze - Univ.-Prof. Dr. Claus Bässler Forschungseinrichtungen > Zentrale wissenschaftliche Einrichtungen > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie 500 Naturwissenschaften und Mathematik > 570 Biowissenschaften; Biologie |
| Eingestellt am: | 08 Nov 2024 10:14 |
| Letzte Änderung: | 08 Nov 2024 10:14 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/91002 |