Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring

A Tree-related Microhabitat (TreM) is a distinct, well-delineated morphological singularity occurring on living or standing dead trees, which constitutes a crucial substrate or life site for various species. TreMs are widely recognized as key features for biodiversity. Current TreM typology identifi...

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Autores principales:	Laurent Larrieu, Alain Cabanettes, Benoit Courbaud, Michel Goulard, Wilfried Heintz, Daniel Kozák, Daniel Kraus, Thibault Lachat, Sylvie Ladet, Jörg Müller, Yoan Paillet, Andreas Schuck, Jonas Stillhard, Miroslav Svoboda
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	TreM monitoring Biodiversity-friendly forest management Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/94695642743e48d79fdb5ce11bd44af7
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spelling	oai:doaj.org-article:94695642743e48d79fdb5ce11bd44af72021-12-01T04:52:52ZCo-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring1470-160X10.1016/j.ecolind.2021.107757https://doaj.org/article/94695642743e48d79fdb5ce11bd44af72021-08-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21004222https://doaj.org/toc/1470-160XA Tree-related Microhabitat (TreM) is a distinct, well-delineated morphological singularity occurring on living or standing dead trees, which constitutes a crucial substrate or life site for various species. TreMs are widely recognized as key features for biodiversity. Current TreM typology identifies 47 TreM types according to their morphology and their associated taxa. In order to provide a range of resolutions and make the typology more user-friendly, these 47 TreM types have been pooled into 15 groups and seven forms. Depending on the accuracy required and the time available, a user can now choose to describe TreMs at resolution levels corresponding to type, group or form. Another way to more easily record TreMs during routine management work would be to use co-occurrence patterns to reduce the number of observed TreMs required. Based on a large international TreM database (2052 plots; 70,958 individual trees; 78 tree species), we evaluated both the significance and the magnitude of TreM co-occurrence on living trees for 11 TreM groups. We highlighted 33 significant co-occurrences for broadleaves and nine for conifers. Bark loss, rot hole, crack and polypore had the highest number of positive co-occurrences (N = 8) with other TreMs on broadleaves; bark loss (N = 4) had the highest number for conifers. We found mutually exclusive occurrences only for conifers: Exposed Heartwood excluded both dendrotelm and sap run. Among the four variables we tested for their positive contribution to significant co-occurrences, tree diameter at breast height was the most consistent. Based on our results and practical considerations, we selected three TreM groups for broadleaves, and nine for conifers, and formed useful short lists to reduce the number of TreM groups to assess during routine forest management work in the field. In addition, detecting potential similarities or associations between TreMs has potential theoretical value, e.g. it may help researchers identify common factors favouring TreM formation or help managers select trees with multiple TreMs as candidates for retention.Laurent LarrieuAlain CabanettesBenoit CourbaudMichel GoulardWilfried HeintzDaniel KozákDaniel KrausThibault LachatSylvie LadetJörg MüllerYoan PailletAndreas SchuckJonas StillhardMiroslav SvobodaElsevierarticleTreM monitoringBiodiversity-friendly forest managementEcologyQH540-549.5ENEcological Indicators, Vol 127, Iss , Pp 107757- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	TreM monitoring Biodiversity-friendly forest management Ecology QH540-549.5
spellingShingle	TreM monitoring Biodiversity-friendly forest management Ecology QH540-549.5 Laurent Larrieu Alain Cabanettes Benoit Courbaud Michel Goulard Wilfried Heintz Daniel Kozák Daniel Kraus Thibault Lachat Sylvie Ladet Jörg Müller Yoan Paillet Andreas Schuck Jonas Stillhard Miroslav Svoboda Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
description	A Tree-related Microhabitat (TreM) is a distinct, well-delineated morphological singularity occurring on living or standing dead trees, which constitutes a crucial substrate or life site for various species. TreMs are widely recognized as key features for biodiversity. Current TreM typology identifies 47 TreM types according to their morphology and their associated taxa. In order to provide a range of resolutions and make the typology more user-friendly, these 47 TreM types have been pooled into 15 groups and seven forms. Depending on the accuracy required and the time available, a user can now choose to describe TreMs at resolution levels corresponding to type, group or form. Another way to more easily record TreMs during routine management work would be to use co-occurrence patterns to reduce the number of observed TreMs required. Based on a large international TreM database (2052 plots; 70,958 individual trees; 78 tree species), we evaluated both the significance and the magnitude of TreM co-occurrence on living trees for 11 TreM groups. We highlighted 33 significant co-occurrences for broadleaves and nine for conifers. Bark loss, rot hole, crack and polypore had the highest number of positive co-occurrences (N = 8) with other TreMs on broadleaves; bark loss (N = 4) had the highest number for conifers. We found mutually exclusive occurrences only for conifers: Exposed Heartwood excluded both dendrotelm and sap run. Among the four variables we tested for their positive contribution to significant co-occurrences, tree diameter at breast height was the most consistent. Based on our results and practical considerations, we selected three TreM groups for broadleaves, and nine for conifers, and formed useful short lists to reduce the number of TreM groups to assess during routine forest management work in the field. In addition, detecting potential similarities or associations between TreMs has potential theoretical value, e.g. it may help researchers identify common factors favouring TreM formation or help managers select trees with multiple TreMs as candidates for retention.
format	article
author	Laurent Larrieu Alain Cabanettes Benoit Courbaud Michel Goulard Wilfried Heintz Daniel Kozák Daniel Kraus Thibault Lachat Sylvie Ladet Jörg Müller Yoan Paillet Andreas Schuck Jonas Stillhard Miroslav Svoboda
author_facet	Laurent Larrieu Alain Cabanettes Benoit Courbaud Michel Goulard Wilfried Heintz Daniel Kozák Daniel Kraus Thibault Lachat Sylvie Ladet Jörg Müller Yoan Paillet Andreas Schuck Jonas Stillhard Miroslav Svoboda
author_sort	Laurent Larrieu
title	Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
title_short	Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
title_full	Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
title_fullStr	Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
title_full_unstemmed	Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring
title_sort	co-occurrence patterns of tree-related microhabitats: a method to simplify routine monitoring
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/94695642743e48d79fdb5ce11bd44af7
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Co-occurrence patterns of tree-related microhabitats: A method to simplify routine monitoring

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