Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen Lobaria pulmonaria

Nuzzo, Luca Di; Giordani, Paolo; Benesperi, Renato; Brunialti, Giorgio; Fačkovcová, Zuzana; Frati, Luisa; Nascimbene, Juri; Ravera, Sonia; Vallese, Chiara; Paoli, Luca; Bianchi, Elisabetta

doi:10.3390/plants11030295

Cited by 10 publications

(22 citation statements)

References 49 publications

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“…More oceanic climates seem to enhance biomass gain and reduce the ageat-reproduction (Eaton and Ellis, 2014 and references therein). Nevertheless, also microclimatic and microhabitat conditions, nested inside macroclimatic gradients, influence the growth rate and the overall survival of L. pulmonaria populations (Benesperi et al, 2018;Ellis, 2020;Di Nuzzo et al, 2022b).…”

Section: Discussionmentioning

confidence: 99%

“…Thus, different environmental filters will shape the adult population, to such an extent that even the fine-scale location of the juvenile thalli may determine their survival and development success (Benesperi et al, 2018). It is, therefore, crucial to consider population structure and development stages when testing the effect of climate change on lichens (Benesperi et al, 2018;Bianchi et al, 2020;Di Nuzzo et al, 2022b).…”

Section: Introductionmentioning

confidence: 99%

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Life-stage dependent response of the epiphytic lichen Lobaria pulmonaria to climate

Nuzzo

Canali²,

Giordani³

et al. 2022

Front. For. Glob. Change

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Lichens are poikilohydric organisms, whose internal water content tends to reflect external humidity conditions. After drying, they can reactivate their metabolic activity through water vapor uptake or liquid water input. Thus, lichen water-related functional traits are important as they are involved in the duration of the hydrated period. Models predicting the effect of environmental conditions on lichens are based mainly on the presence or absence of adult thalli. Nevertheless, ecological conditions required by lichens might vary during their life cycle, for example during propagule establishment or in the first stages of thallus development. Little is known about the different ecological requirements at the different development stages in lichens. In this work, we measured water holding capacity (WHC) and specific thallus mass (STM) of adult and juvenile thalli of the model species Lobaria pulmonaria along a climatic gradient to constrain the process-based model LiBry. The LiBry model allows accounting for the productivity of lichens with different physiological strategies under various environmental conditions. We simulated the activity and performance of adult and juvenile thalli in 9 regions of Italy and Corsica. The model was used to test if adult thalli of L. pulmonaria have a higher survival probability due to their higher aerodynamic resistance. In the current climatic condition, the LiBry model predicts a higher survival probability of adults with decreasing absolute survival rates of both life stages with increasing temperature. Adult thalli also result in having higher active time, STM, and relative growth rate (RGR). We discuss the main implications of our simulation outputs, provide future perspectives and possible implementations of the LiBry model.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Life-stage dependent response of the epiphytic lichen Lobaria pulmonaria to climate

Nuzzo

Canali²,

Giordani³

et al. 2022

Front. For. Glob. Change

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“…Lobaria pulmonaria as a species predisposed to the role of an umbrella species Among the 11 species of lichens requiring zonal protection under Polish law, only Lobaria pulmonaria has been the subject of many studies around the world, specifying its biology, phylogeography, dispersion, and ecological requirements (e.g., Di Nuzzo et al, 2022;Rubio-Salcedo et al, 2015;Scheidegger et al, 2012). Its undoubted umbrella role was mainly reduced to treating this species as a forest stenobiont, requiring long ecological continuity of the nearest environment and the presence of natural habitats (Campbell & Fredeen, 2004;Nascimbene et al, 2010Nascimbene et al, , 2013.…”

Section: 2mentioning

confidence: 99%

Lobaria pulmonaria as an umbrella species for the protection of epiphytic lichen diversity in Polish Carpathians

Czarnota,

Tuchowski,

Szymczyk

et al. 2023

Acta Myc

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Lobaria pulmonaria has been subject to strict and zonal protection in Poland for almost 20 years, assuming the function of an umbrella species for the protection of natural biodiversity. Knowledge about this function, however, is limited, mainly due to a lack of relevant research. The current protection zone with a radius (R) of up to 50 m was significantly reduced in 2014 compared to the previous one from 2004 (R=100 m), mainly due to the needs of forest management. This legislative change became why it was worth making a scientific balance of potential gains and losses. Corticolous lichens growing at circular sites with a radius of 150 m around lungwort host-trees, divided into three zones R=50 m, R=51-100 m, R=101-150 m, were selected as the biological group for verification. Beech (Fagus sylvatica) and sycamore (Acer pseudoplatanus) trees with DBH ≥40 cm, randomly located along the target azimuths of 0°, 120°, and 240°, were selected for the study at 15 sites located in the Polish Carpathians (Gorce and Bieszczady Mts). The research hypothesis was that the size of the L. pulmonaria protection zone in the Polish Carpathians is important for the conservation of a greater diversity of corticolous lichens. Based on the list of species, we assessed the statistical significance of differences in diversity indices between the zones and between the Gorce and Bieszczady sites, which was justified by the result of the DCA analysis. Both the total number of species and old-growth forest, legally protected and endangered species in Poland (categories EN, CR) were analyzed. Generally, the current protection zone with a radius of 50 m protects approx. 70% of all epiphytic lichen diversity and the same share of other investigated groups, while increasing the protection zone to R=100 m saves almost 90% of species representing these groups of lichens.

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Section: Introductionmentioning

confidence: 99%

“…Meanwhile, short-term weather fluctuations introduce dynamic environmental challenges (Di Nuzzo et al, 2022a), which continually test the holobiont's adaptability to sudden changes in hydration and light. Further, genotypic variation in the fungal and algal partners may play a role in shaping the microbiome, thus influencing the ecological strategies and adaptability of individual holobionts (Devkota et al, 2019;Fontaine et al, 2013;Ruprecht et al, 2012). An integrated investigation into the lichen microbiome is imperative not only for deepening our comprehension of this intricate symbiosis but also for illuminating how lichen holobionts and their associated microbial communities respond to environmental variations.…”

Section: Introductionmentioning

confidence: 99%

The microbiome of the lichenLobaria pulmonariavaries according to climate in Europe

Bogale,

Braun,

Bernhardt

et al. 2024

Preprint

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The Lobaria pulmonaria holobiont comprises algal, fungal, cyanobacterial, and bacterial components. We investigated the bacterial microbiome of L. pulmonaria in the adaptation of this ecologically sensitive lichen species to diverse climatic conditions. Our central hypothesis posited that microbiome composition and functionality aligns with continental-scale climatic parameters related to temperature and precipitation. We also tested the impact of short-term weather dynamics, sampling season, and algal/fungal genotypes on microbiome variation. Metaproteomics provided insights into compositional and functional changes within the microbiome. Climatic variables explained 41.64% of microbiome variation, surpassing the combined influence of local weather and sampling season at 31.63%. Notably, annual mean temperature and temperature seasonality emerged as significant climatic drivers. Microbiome composition correlated with algal, not fungal genotype, suggesting similar environmental recruitment for the algal partner and microbiome. Differential abundance analyses revealed distinct protein compositions in sub-atlantic lowland and alpine regions, indicating differential microbiome responses to contrasting environmental/climatic conditions. Proteins involved in oxidative and cellular stress were notably different. Our findings highlight microbiome plasticity in adapting to stable climates, with limited responsiveness to short-term fluctuations, offering new insights into climate adaptation in lichen symbiosis.

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Microclimatic Alteration after Logging Affects the Growth of the Endangered Lichen Lobaria pulmonaria

Cited by 10 publications

References 49 publications

Life-stage dependent response of the epiphytic lichen Lobaria pulmonaria to climate

Life-stage dependent response of the epiphytic lichen Lobaria pulmonaria to climate

<i>Lobaria pulmonaria</i> as an umbrella species for the protection of epiphytic lichen diversity in Polish Carpathians

The microbiome of the lichenLobaria pulmonariavaries according to climate in Europe

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