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One to rule them all? Assessing the performance of sustainable forest management indicators against multitaxonomic data for biodiversity conservation
Paillet , Yoan , Zapponi , Livia , Schall , Peter , Monnet , Jean Matthieu , Ammer , Christian , Balducci , Lorenzo , Boch , Steffen , Brazaitis , Gediminas , Campanaro , Alessandro , Chianucci , Francesco , Doerfler , Inken , Fischer , Markus , Gosselin , Marion , Goßner , Martin M. , Heilmann-Clausen , Jacob , Hofmeister , Jeňýk , Hošek , Jan , Jung , Kirsten G. , Kepfer-Rojas , Sebastian , Ódor , Péter , Tinya , Flóra , Trentanovi , Giovanni , Vacchiano , Giorgio , Vandekerkhove , Kris , Weisser , Wolfgang W. , Wohlwend , Michael Rudolf , Burrascano , Sabina
forest structure sustainable forest management multi-taxa diversity taxonomic indicators
Mostra abstract
Several regional initiatives and reporting efforts assess the state of forest biodiversity through broad-scale indicators based on data from national forest inventories. Although valuable, these indicators are essentially indirect and evaluate habitat quantity and quality rather than biodiversity per se. Therefore, their link to biodiversity may be weak, which decreases their usefulness for decision-making. For several decades, Forest Europe indicators assessed the state of European forests, in particular their biodiversity. However, no extensive study has been conducted to date to assess their performance – i.e. the capacity of the indicators to reflect variations in biodiversity – against multitaxonomic data. We hypothesized that no single biodiversity indicator from Forest Europe can represent overall forest biodiversity, but that several indicators would reflect habitat quality for at least some taxa in a comprehensive way. We tested the set of Forest Europe's indicators against the species richness of six taxonomic and functional groups across several hundreds of sampling units over Europe. We showed that, while some indicators perform relatively well across groups (e.g. deadwood volume), no single indicator represented all biodiversity at once, and that a combination of several indicators performed better. Forest Europe indicators were chosen for their availability and ease of understanding for most people. However, we showed that gaps in the monitoring framework persist, and that surveying certain taxa along with stand structure is necessary to support policymaking and tackle forest biodiversity loss at the large scale. Adding context (e.g. forest type) may also contribute to increase the performance of biodiversity indicators. © 2024 Elsevier Ltd
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2024
Rivista
Biological Conservation
Dettagli
Vol. 300
DOI
Silvicultural regime shapes understory functional structure in European forests
Chianucci , Francesco , Napoleone , Francesca , Ricotta , Carlo , Ferrara , Carlotta , Fusaro , Lina , Balducci , Lorenzo , Trentanovi , Giovanni , Bradley , Owen , Kovács , Bence , Mina , Marco , Cerabolini , Bruno Enrico Leone , Vandekerkhove , Kris , de Smedt , Pallieter , Lens , Luc , Hertzog , Lionel R. , Verheyen , Kris , Hofmeister , Jeňýk , Hošek , Jan , Matula , Radim , Doerfler , Inken , Müller , Jörg C. C. , Weisser , Wolfgang W. , Helback , Jan , Schall , Peter , Fischer , Markus , Heilmann-Clausen , Jacob , Riis-Hansen , Rasmus , Goldberg , Irina , Aude , Erik , Kepfer-Rojas , Sebastian , Kappel Schmidt , Inger , Riis-Nielsen , Torben , Mårell , Anders , Dumas , Yann , Janssen , Philippe , Paillet , Yoan , Archaux , Frédéric , Xystrakis , Fotios , Tinya , Flóra , Ódor , Péter , Aszalós , Réka , Bölöni , János , Cutini , Andrea , Bagella , Simonetta , Sitzia , Tommaso , Brazaitis , Gediminas , Marozas , Vitas , Ujházyová , Mariana , Ujházy , Karol , Máliš , František , Nordén , Björn , Burrascano , Sabina
functional diversity functional redundancy forest understory sustainable forest management unmanaged forests ecosystem resilience silvicultural regime
Mostra abstract
Managing forests to sustain their diversity and functioning is a major challenge in a changing world. Despite the key role of understory vegetation in driving forest biodiversity, regeneration and functioning, few studies address the functional dimensions of understory vegetation response to silvicultural management. We assessed the influence of the silvicultural regimes on the functional diversity and redundancy of European forest understory. We gathered vascular plant abundance data from more than 2000 plots in European forests, each associated with one out of the five most widespread silvicultural regimes. We used generalized linear mixed models to assess the effect of different silvicultural regimes on understory functional diversity (Rao's quadratic entropy) and functional redundancy, while accounting for climate and soil conditions, and explored the reciprocal relationship between three diversity components (functional diversity, redundancy and dominance) across silvicultural regimes through a ternary diversity diagram. Intensive silvicultural regimes are associated with a decrease in functional diversity and an increase in functional redundancy, compared with unmanaged conditions. This means that although intensive management may buffer communities' functions against species or functional losses, it also limits the range of understory response to environmental changes. Policy implications. Different silvicultural regimes influence different facets of understory functional features. While unmanaged forests can be used as a reference to design silvicultural practices in compliance with biodiversity conservation targets, different silvicultural options should be balanced at landscape scale to sustain the multiple forest functions that human societies are increasingly demanding. © 2024 The Author(s). Journal of Applied Ecology published by John Wiley & Sons Ltd on behalf of British Ecological Society.
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2024
Rivista
Journal of Applied Ecology
Dettagli
Vol. 61 (10) pp. 2350 - 2364
DOI