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Crown allometry and growing space requirements of four rare domestic tree species compared to oak and beech: implications for adaptive forest management / Julia Schmucker in European Journal of Forest Research, vol 141 n° 4 (August 2022)  

Public [article]  inEuropean Journal of Forest Research > vol 141 n° 4 (August 2022) . - pp 587 - 604 Titre : Crown allometry and growing space requirements of four rare domestic tree species compared to oak and beech: implications for adaptive forest management Type de document : Article/Communication Auteurs : Julia Schmucker, Auteur ; Enno Uhl, Auteur ; Mathias Steckel, Auteur ; et al., Auteur Année de publication : 2022 Article en page(s) : pp 587 - 604 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Acer campestre [Termes IGN] Allemagne [Termes IGN] allométrie [Termes IGN] Carpinus betulus [Termes IGN] diamètre à hauteur de poitrine [Termes IGN] gestion forestière adaptative [Termes IGN] hauteur des arbres [Termes IGN] houppier [Termes IGN] régression par quantile [Termes IGN] Sorbus torminalis [Termes IGN] Ulmus (genre) [Vedettes matières IGN] Végétation et changement climatique Résumé : (auteur) Rare domestic tree species are increasingly being viewed as promising alternatives and additions to current main tree species in forests facing climate change. For a feasible management of these rare species, it is, however, necessary to know their growth patterns and space requirements. This information has been lacking in management and science up to now. Our study investigated the basic crown allometries of four rare domestic tree species (European hornbeam, European white elm, field maple and wild service tree) and compared them to the more established and assessable European beech and oak (sessile oak and pedunculate oak). For our analysis, we used data from eight temporary research plots located on seven sites across south-eastern Germany, augmented by data from long-term plots. Using quantile regression, we investigated the fundamental relationships between crown projection area and diameter, and height and diameter. Subsequently, we used a mixed-effect model to detect the dependence of crown allometry on different stand variables. We derived maximum stem numbers per hectare for each species at different stand heights, thus providing much-needed practical guidelines for forest managers. In the early stages of stand development, we found that European white elm and field maple can be managed with higher stem numbers than European beech, similar to those of oak. European hornbeam and wild service tree require lower stem numbers, similar to European beech. However, during first or second thinnings, we hypothesise that the rare domestic tree species must be released from competitors, as shade tolerance and competitiveness decrease with age. Furthermore, we argue that thinnings must be performed at a higher frequency in stands with admixed European beech because of the species’ high shade tolerance. When properly managed, rare species can reach target diameters similar to oak and beech. Numéro de notice : A2022-639 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s10342-022-01460-w Date de publication en ligne : 31/05/2022 En ligne : https://doi.org/10.1007/s10342-022-01460-w Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101446 [article]

Assessing future suitability of tree species under climate change by multiple methods: a case study in southern Germany / Helge Walentowski in Annals of forest research, vol 60 n° 1 (January - June 2017)  

Public [article]  inAnnals of forest research > vol 60 n° 1 (January - June 2017) . - pp 101 - 126 Titre : Assessing future suitability of tree species under climate change by multiple methods: a case study in southern Germany Type de document : Article/Communication Auteurs : Helge Walentowski, Auteur ; Wolfgang Falk, Auteur ; Tobias Mette, Auteur ; Jörg Kunz, Auteur ; et al., Auteur Année de publication : 2017 Article en page(s) : pp 101 - 126 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Acer campestre [Termes IGN] Allemagne [Termes IGN] analyse de sensibilité [Termes IGN] dendrochronologie [Termes IGN] Fagus sylvatica [Termes IGN] feuillu [Termes IGN] Fraxinus excelsior [Termes IGN] modèle de simulation [Termes IGN] niche écologique [Termes IGN] Pinus sylvestris [Termes IGN] Quercus pedunculata [Termes IGN] Quercus sessiliflora [Termes IGN] sécheresse [Termes IGN] sorbus aria [Termes IGN] Sorbus torminalis [Termes IGN] Tilia platyphyllos [Termes IGN] Ulmus minor [Vedettes matières IGN] Végétation et changement climatique Résumé : (auteur) We compared results derived using three different approaches to assess the suitability of common tree species on the Franconian Plateau in southern Germany under projected warmer and drier climate conditions in the period 2061-2080. The study area is currently a relatively warm and dry region of Germany. We calculated species distribution models (SDMs) using information on species’ climate envelopes to predict regional species spectra under 63 different climate change scenarios. We complemented this with fine-scale ecological niche analysis using data from 51 vegetation surveys in seven forest reserves in the study area, and tree-ring analysis (TRA) from local populations of five tree species to quantify their sensitivity to climatic extreme years. The SDMs showed that predicted future climate change in the region remains within the climate envelope of certain species (e.g. Quercus petraea), whilst for e.g. Fagus sylvatica, future climate conditions in one third of the scenarios are too warm and dry. This was confirmed by the TRA: sensitivity to drought periods is lower for Q. petraea than for F. sylvatica. The niche analysis shows that the local ecological niches of Quercus robur and Fraxinus excelsior are mainly characterized by soils providing favorable water supply than by climate, and Pinus sylvestris (planted) is strongly influenced by light availability. The best adapted species for a warmer and potentially drier climate in the study region are Acer campestre, Sorbus torminalis, S. aria, Ulmus minor, and Tilia platyphyllos, which should therefore play a more prominent role in future climate-resilient mixed forest ecosystems. Numéro de notice : A2017-611 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.15287/afr.2016.789 En ligne : http://doi.org/10.15287/afr.2016.789 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86919 [article]

Estimating over- and understorey canopy density of temperate mixed stands by airborne LiDAR data / Hooman Latifi in Forestry, an international journal of forest research, vol 89 n° 1 (January 2016)  

Public [article]  inForestry, an international journal of forest research > vol 89 n° 1 (January 2016) . - pp 61 - 81 Titre : Estimating over- and understorey canopy density of temperate mixed stands by airborne LiDAR data Type de document : Article/Communication Auteurs : Hooman Latifi, Auteur ; Marco Heurich, Auteur ; Florian Hartig, Auteur ; Jorg Müller, Auteur ; et al., Auteur Année de publication : 2016 Article en page(s) : pp 61 - 81 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie [Termes IGN] Abies alba [Termes IGN] Acer pseudoplatanus [Termes IGN] Betula pendula [Termes IGN] betula pubescens [Termes IGN] canopée [Termes IGN] classification par forêts d'arbres décisionnels [Termes IGN] données lidar [Termes IGN] données localisées 3D [Termes IGN] Fagus sylvatica [Termes IGN] habitat forestier [Termes IGN] Picea abies [Termes IGN] régression [Termes IGN] sorbus aucuparia [Termes IGN] sous-bois Résumé : (auteur) Estimating forest structural attributes is one of the essential forestry-related remote sensing applications. The methods applied so far typically concentrate on the structure of the overstorey. For various conservation and management applications, however, information on lower layers is also of great interest. Detecting understorey cover by remote sensing is challenging, as passive sensors do not penetrate to the forest ground layer. An alternative to these is 3D metrics from active light detection and ranging (LiDAR). Here, we evaluate this technique for describing the vegetation density of multiple stand layers within the temperate stands of a large protected area in south-eastern Germany. We combined LiDAR metrics and information on forest habitat types with regression models to investigate LiDAR metrics that are significantly correlated with vegetation density. The top canopy and the herbal layer showed strong correlations with the applied LiDAR metrics, whereas the predictive power was lower for the intermediate stand layers. Moreover, our results suggest that the relationship between LiDAR predictors and vegetation density depends on the forest type. A comparison of the regression models with random forest predictions showed no major improvement in predictive error. In conclusion, this study highlights the value of the LiDAR metrics for characterizing the structural properties of lower forest layers, which has implications for wildlife and forest management applications, especially in protected areas. Numéro de notice : A2016--102 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article DOI : 10.1093/forestry/cpv032 En ligne : https://doi.org/10.1093/forestry/cpv032 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84668 [article]

Deadwood and tree microhabitat dynamics in unharvested temperate mountain mixed forests: A life-cycle approach to biodiversity monitoring / Laurent Larrieu in Forest ecology and management, vol 334 ([15/12/2014])  

Public [article]  inForest ecology and management > vol 334 [15/12/2014] . - pp 163 - 173 Titre : Deadwood and tree microhabitat dynamics in unharvested temperate mountain mixed forests: A life-cycle approach to biodiversity monitoring Type de document : Article/Communication Auteurs : Laurent Larrieu, Auteur ; Alain Cabanettes, Auteur ; Pierre Gonin, Auteur ; Thibault Lachat, Auteur ; Yoan Paillet, Auteur ; Stephan Winter, Auteur ; Christophe Bouget, Auteur ; Marc Deconchat, Auteur Année de publication : 2014 Article en page(s) : pp 163 - 173 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] bois mort [Termes IGN] dynamique de la végétation [Termes IGN] forêt alpestre [Termes IGN] forêt tempérée [Termes IGN] Fraxinus excelsior [Termes IGN] microhabitat [Termes IGN] placette d'échantillonnage [Termes IGN] Prunus avium [Termes IGN] Sorbus (genre) [Termes IGN] surveillance écologique [Termes IGN] xylophage [Vedettes matières IGN] Ecologie forestière Résumé : (auteur) In forest ecosystems, conservation is often considered in the absence of any long-term dynamic perspective, yet dynamic processes extend over hundreds of years. Saproxylic taxa represent about 25% of the species diversity in temperate and boreal forests and they depend on both spatial and temporal continuity in the availability of deadwood and certain tree microhabitats. Our study focused on the dynamics of deadwood and tree microhabitats throughout the silvigenetic cycle in 32 unharvested European mountain mixed forests. Our dataset contained 178 plots classified into one of five forest development phases (regeneration, establishing, growing, culmination and disintegration). We analyzed how the amount and quality of deadwood and microhabitats varied according to the five phases. Contrary to expectations, deadwood and tree microhabitat availability remained more or less stable throughout the silvigenetic cycle, both in quantity and diversity. Furthermore, whether the forests were dominated by broadleaves or conifers, there were no significant differences in terms of deadwood or tree microhabitat dynamics. Pioneer (Betula spp., Salix spp.) and post-pioneer species (Fraxinus exelsior, Sorbus spp., Prunus avium) played an important role throughout the silvigenetic cycle by providing a diversity of deadwood when deadwood from the dominant species (i.e. Abies alba, Fagus sylvatica, Picea abies) was scarce. Understanding the dynamics of deadwood and tree microhabitats may help us provide a model for forest managers who intend to emulate natural forest dynamics and will also improve our understanding of the relationship between forest dynamics and biodiversity conservation. Numéro de notice : A2014-597 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE/FORET Nature : Article DOI : 10.1016/j.foreco.2014.09.007 En ligne : http://dx.doi.org/10.1016/j.foreco.2014.09.007 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81010 [article]

Contribution à l’étude phytosociologique des forêts de ravins des Pyrénées : Validation de quelques syntaxons nouveaux / Gilles Corriol in Revue forestière française, vol 62 n° 3-4 (mai - août 2010)  

Public [article]  inRevue forestière française > vol 62 n° 3-4 (mai - août 2010) . - pp 229 - 236 Titre : Contribution à l’étude phytosociologique des forêts de ravins des Pyrénées : Validation de quelques syntaxons nouveaux Type de document : Article/Communication Auteurs : Gilles Corriol, Auteur ; Matthieu Chaney, Auteur Année de publication : 2010 Article en page(s) : pp 229 - 236 Note générale : biblographie, tableaux phytosciologiques Langues : Français (fre) Descripteur : [Termes IGN] Acer monspessulanum [Termes IGN] forêt thermophile [Termes IGN] phytosociologie [Termes IGN] plante xérophile [Termes IGN] Pyrénées (montagne) [Termes IGN] Quercus ilex [Termes IGN] ravin [Termes IGN] sorbus aria [Termes IGN] Tilia cordata [Termes IGN] Tilia platyphyllos [Termes IGN] unité phytosociologique [Vedettes matières IGN] Ecologie forestière Résumé : (auteur) Une étude phytosociologique des forêt de ravins sur l’ensemble du versant français des Pyrénées a été entreprise par le Conservatoire botanique national des Pyrénées et de Midi-Pyrénées. Lors du colloque de phytosociologie en hommage à Jean-Claude Rameau, une partie de cette étude a été présentée sur la base d’une centaine de relevés correspondant aux types thermophiles et xérophiles. Quatre associations végétales et trois sous-associations sont identifiées, toutes rattachées à l’alliance du Tilion platyphylli Moor 1973. Parmi elles, trois associations nouvelles sont validées : le Querco ilicis-Tilietum platyphylli, l’Aceri monspessulani - Tilietum cordatae et le Sorbo ariae - Tilietum platyphylli, ainsi que trois sous-associations nouvelles. Numéro de notice : A2010-609 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.4267/2042/38937 En ligne : https://doi.org/10.4267/2042/38937 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=82662 [article]

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Trois associations végétales nouvelles des forêts du domaine médio-européen français : Deschampsio cespitosae-Fagetum sylvaticae, Sorbo ariae-Quercetum petraeae et Carici brizoidis-Fraxinetum excelsioris / Benoit Renaux in Revue forestière française, vol 62 n° 3-4 (mai - août 2010)  

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Alisier torminal, alisier blanc, hybrides... comment s'y retrouver ? / Brigitte Musch in Rendez-vous techniques, n° 22 (automne 2008)

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Autécologie des fruitiers forestiers : merisier, alisier torminal, cormier, poirier commun et pommier sauvage / Laurent Larrieu in Forêt entreprise, n° 184 (2009/1)

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Gérer l'alisier dans les peuplements mélangés / Georg Josef Wilhelm in Forêt entreprise, n° 184 (2009/1)

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