Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>

Microclimatic conditions are important in determining lichen distribution at small scale, and may determine whether the species persist when the surrounding environmental conditions have drastically changed. This is the case with forest management, since a sudden variation of microclimatic condition...

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Main Authors: Luca Di Nuzzo, Paolo Giordani, Renato Benesperi, Giorgio Brunialti, Zuzana Fačkovcová, Luisa Frati, Juri Nascimbene, Sonia Ravera, Chiara Vallese, Luca Paoli, Elisabetta Bianchi
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/11/3/295
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author Luca Di Nuzzo
Paolo Giordani
Renato Benesperi
Giorgio Brunialti
Zuzana Fačkovcová
Luisa Frati
Juri Nascimbene
Sonia Ravera
Chiara Vallese
Luca Paoli
Elisabetta Bianchi
author_facet Luca Di Nuzzo
Paolo Giordani
Renato Benesperi
Giorgio Brunialti
Zuzana Fačkovcová
Luisa Frati
Juri Nascimbene
Sonia Ravera
Chiara Vallese
Luca Paoli
Elisabetta Bianchi
author_sort Luca Di Nuzzo
collection DOAJ
description Microclimatic conditions are important in determining lichen distribution at small scale, and may determine whether the species persist when the surrounding environmental conditions have drastically changed. This is the case with forest management, since a sudden variation of microclimatic conditions (increase of solar radiation, temperature, wind and a reduction of humidity) may occur after logging. In this study, the combined effect of forest logging and microclimatic conditions on the growth probabilities and growth rates of the model species <i>Lobaria pulmonaria</i> was assessed in mixed oak stands. To this purpose, 800 fragments of <i>L. pulmonaria</i> (<1 cm) were transplanted in logged and unlogged stands for two years. Young and adult fragments were positioned on Turkey oak boles according to distance from the ground (100 and 50 cm) and aspect (north and south). The results, evaluated by generalized linear mixed models on a yearly basis, highlighted differences in growth—particularly on isolated trees in the logged stand. South-exposed samples in the logged stand showed a low probability of growth, while samples transplanted north in the unlogged stand showed higher growth probabilities. However, the highest annual growth coefficients corresponded to south-exposed samples 50 cm from the ground in the unlogged stand. In general, higher growth rates were observed in young thallus fragments when compared with adult ones. Beyond confirming the importance of microclimate for lichen ecology, these results could be implemented in conservation actions to preserve <i>L. pulmonaria</i> populations in logged forests.
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spelling doaj.art-717ab2307c8a41c4b1dc0479b7c78e1a2023-11-23T17:29:35ZengMDPI AGPlants2223-77472022-01-0111329510.3390/plants11030295Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>Luca Di Nuzzo0Paolo Giordani1Renato Benesperi2Giorgio Brunialti3Zuzana Fačkovcová4Luisa Frati5Juri Nascimbene6Sonia Ravera7Chiara Vallese8Luca Paoli9Elisabetta Bianchi10Department of Biology, University of Florence, 50121 Florence, ItalyDIFAR, University of Genoa, 16126 Genoa, ItalyDepartment of Biology, University of Florence, 50121 Florence, ItalyTerraData Environmetrics, Spin-Off Company of the University of Siena, 58025 Monterotondo Marittimo, ItalyPlant Science and Biodiversity Centre, Slovak Academy of Sciences, 84523 Bratislava, SlovakiaTerraData Environmetrics, Spin-Off Company of the University of Siena, 58025 Monterotondo Marittimo, ItalyDepartment of Biological, Geological and Environmental Sciences, University of Bologna, 40126 Bologna, ItalyDepartment of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, 90123 Palermo, ItalyDepartment of Biological, Geological and Environmental Sciences, University of Bologna, 40126 Bologna, ItalyDepartment of Biology, University of Pisa, 56126 Pisa, ItalyDepartment of Biology, University of Florence, 50121 Florence, ItalyMicroclimatic conditions are important in determining lichen distribution at small scale, and may determine whether the species persist when the surrounding environmental conditions have drastically changed. This is the case with forest management, since a sudden variation of microclimatic conditions (increase of solar radiation, temperature, wind and a reduction of humidity) may occur after logging. In this study, the combined effect of forest logging and microclimatic conditions on the growth probabilities and growth rates of the model species <i>Lobaria pulmonaria</i> was assessed in mixed oak stands. To this purpose, 800 fragments of <i>L. pulmonaria</i> (<1 cm) were transplanted in logged and unlogged stands for two years. Young and adult fragments were positioned on Turkey oak boles according to distance from the ground (100 and 50 cm) and aspect (north and south). The results, evaluated by generalized linear mixed models on a yearly basis, highlighted differences in growth—particularly on isolated trees in the logged stand. South-exposed samples in the logged stand showed a low probability of growth, while samples transplanted north in the unlogged stand showed higher growth probabilities. However, the highest annual growth coefficients corresponded to south-exposed samples 50 cm from the ground in the unlogged stand. In general, higher growth rates were observed in young thallus fragments when compared with adult ones. Beyond confirming the importance of microclimate for lichen ecology, these results could be implemented in conservation actions to preserve <i>L. pulmonaria</i> populations in logged forests.https://www.mdpi.com/2223-7747/11/3/295conservationepiphytic lichensforest managementgrowth ratesmicroclimatetranslocation
spellingShingle Luca Di Nuzzo
Paolo Giordani
Renato Benesperi
Giorgio Brunialti
Zuzana Fačkovcová
Luisa Frati
Juri Nascimbene
Sonia Ravera
Chiara Vallese
Luca Paoli
Elisabetta Bianchi
Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
Plants
conservation
epiphytic lichens
forest management
growth rates
microclimate
translocation
title Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
title_full Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
title_fullStr Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
title_full_unstemmed Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
title_short Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen <i>Lobaria pulmonaria</i>
title_sort microclimatic alteration after logging affects the growth of the endangered lichen i lobaria pulmonaria i
topic conservation
epiphytic lichens
forest management
growth rates
microclimate
translocation
url https://www.mdpi.com/2223-7747/11/3/295
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