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9 results on '"Nimis P.L."'

1. The lichens of the Majella National Park (Central Italy): an annotated checklist

Author

Gabriele Gheza, Luciano Di Martino, Helmut Mayrhofer, Chiara Vallese, Mauro Tretiach, Pier Luigi Nimis, Valter Di Cecco, Renato Benesperi, Elisabetta Bianchi, Josef Hafellner, Luca Di Nuzzo, Paolo Giordani, Juri Nascimbene, Gheza, G., Di Nuzzo, L., Vallese, C., Benesperi, R., Bianchi, E., Di Cecco, V., Di Martino, L., Giordani, P., Hafellner, J., Mayrhofer, H., Nimis, P. L., Tretiach, M., Nascimbene, J., Gheza G., Nuzzo L.D., Vallese C., Benesperi R., Bianchi E., Cecco V.D., Martino L.D., Giordani P., Hafellner J., Mayrhofer H., Nimis P.L., Tretiach M., and Nascimbene J.

Subjects
0106 biological sciences, biodiversity hotspot, Biodiversity, arctic-alpine specie, Disjunct, steppic species, 010603 evolutionary biology, 01 natural sciences, Lichenized Fungi, lichen biota, Ascomycota, Arctic-alpine specie, arctic-alpine species, Lichen, Ecology, Evolution, Behavior and Systematics, National park, Mediterranean mountain, Southern Europe and Mediterranean, Botany, Mediterranean mountains, Archaeology, arctic-alpine species, biodiversity hotspot, climate change, lichen biota, Mediterranean mountains, steppic species, Checklist, Biodiversity hotspot, Herbarium, Taxon, Geography, climate change, QK1-989, Abruzzo, Catalogues and Checklists, 010606 plant biology & botany
Abstract

The botanical exploration of the Majella National Park has a long tradition dating back to the eighteenth century. However, the lichen biota of this area is still poorly investigated. To provide a baseline for future investigations, in this annotated checklist, we summarised all available information on the occurrence of lichens in the Majella National Park, retrieved from previous literature, herbarium material and original data produced by recent research.The checklist includes 342 infrageneric taxa. However, seven taxa are considered as dubious, thus setting the number of accepted taxa at 335, i.e. 45.8% of those currently known to occur in the Abruzzo Region. This checklist provides a baseline of the lichens known to occur in the Majella National Park, highlighting the potential of this area as a hotspot of lichen biodiversity, especially from a biogeographical point of view as indicated by the occurrence of several arctic-alpine species that form disjunct populations in the summit area of the massif.

Published
2021

2. Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 12

Author

Pier Luigi Nimis, Giovanni Maiorca, Matteo Barcella, Marta Puglisi, Michele Puntillo, Silvia Paola Assini, Romina Ciotti, Gabriele Gheza, Silvia Poponessi, Antonio De Agostini, Silvia Ongaro, Francesco Dovana, Giulio Pandeli, Davide Dagnino, Filippo Prosser, Antonio B. De Giuseppe, Chiara Vallese, Nicodemo G. Passalacqua, Gabriele Berta, Domenico Puntillo, Alfredo Vizzini, Giovanni Sicoli, Marco Clericuzio, Mauro Mariotti, Ilaria Bonini, Giovanna Pezzi, Deborah Isocrono, Fabrizio Boccardo, Annalena Cogoni, Sonia Ravera, Juri Nascimbene, Francesca Bottegoni, Claudia Turcato, Ravera, Sonia, Puglisi, Marta, Vizzini, Alfredo, Assini, Silvia, Barcella, Matteo, Berta, Gabriele, Boccardo, Fabrizio, Bonini, Ilaria, Bottegoni, Francesca, Ciotti, Romina, Clericuzio, Marco, Cogoni, Annalena, Dagnino, Davide, De Agostini, Antonio, De Giuseppe, Antonio B., Dovana, Francesco, Gheza, Gabriele, Isocrono, Deborah, Maiorca, Giovanni, Mariotti, Mauro, Nascimbene, Juri, Nimis, Pier Luigi, Ongaro, Silvia, Pandeli, Giulio, Passalacqua, Nicodemo G., Pezzi, Giovanna, Poponessi, Silvia, Prosser, Filippo, Puntillo, Domenico, Puntillo, Michele, Sicoli, Giovanni, Turcato, Claudia, Vallese, Chiara, Ravera S., Puglisi M., Vizzini A., Assini S., Barcella M., Berta G., Boccardo F., Bonini I., Bottegoni F., Ciotti R., Clericuzio M., Cogoni A., Dagnino D., de Agostini A., de Giuseppe A.B., Dovana F., Gheza G., Isocrono D., Maiorca G., Mariotti M., Nascimbene J., Nimis P.L., Ongaro S., Pandeli G., Passalacqua N.G., Pezzi G., Poponessi S., Prosser F., Puntillo D., Puntillo M., Sicoli G., Turcato C., and Vallese C.

Subjects
Flora, Ascomycota, biology, Basidiomycota, Biodiversity, Botany, Plant Science, biology.organism_classification, lichen, lichen, biodiversity, Bryidae, Geography, Algae, QK1-989, Ascomycota, Basidiomycota, Bryidae, Lichen, Ecology, Evolution, Behavior and Systematics, biodiversity
Abstract

In this contribution, new data concerning bryophytes, fungi and lichens of the Italian flora are presented. It includes new records, confirmations or exclusions for the bryophyte genera Acaulon, Campylopus, Entosthodon, Homomallium, Pseudohygrohypnum, and Thuidium, the fungal genera Entoloma, Cortinarius, Mycenella, Oxyporus, and Psathyrella and the lichen genera Anaptychia, Athallia, Baeomyces, Bagliettoa, Calicium, Nephroma, Pectenia, Phaeophyscia, Polyblastia, Protoparmeliopsis, Pyrenula, Ramalina, and Sanguineodiscus.

Published
2021

3. Refining the picture: new records to the lichen biota of Italy

Author

Josef Hafellner, Helmut Mayrhofer, Gabriele Gheza, Walter Obermayer, Pier Luigi Nimis, Juri Nascimbene, Göran Thor, Lucia Muggia, Nascimbene J., Gheza G., Hafellner J., Mayrhofer H., Muggia L., Obermayer W., Thor G., and Nimis P.L.

Subjects
herbarium specimens, Rarity, Biodiversity, Distribution (economics), Biological Systematics, Floristics, Floristic, Ascomycota, Biodiversity & Conservation, Lichen, Ecology, Evolution, Behavior and Systematics, Ecology, business.industry, Ephemeral key, Alps, Southern Europe and Mediterranean, Botany, Biota, Species Inventories, Europe, Geography, Taxon, Italy, Habitat, QK1-989, Alp, business, Research Article, floristics, Herbarium specimen
Abstract

Based on the analysis of both historical and recent collections, this paper reports an annotated list of taxa which are new to the lichen biota of Italy or of its administrative regions. Specimens were identified using a dissecting and a compound microscope; routine chemical spot tests and standardized thin-layer chromatography (TLC or HPTLC). The list includes 225 records of 153 taxa. Twenty taxa are new to Italy, the others are new to one or more administrative regions, with 15 second records and 5 third records for Italy. Some of the species belong to recently-described taxa, others are poorly known, sterile or ephemeral lichens which were largely overlooked in Italy. Several species are actually rare, either because of the rarity of their habitats (e.g. old-growth forests), or because in Italy they are at the margins of their bioclimatic distribution. The picture of the lichen biota of Italy has now new pixels, but its grain is still coarse. Further analysis of historical collections, increased efforts in the exploration of some areas, and the taxonomic revision of critical groups are still necessary to provide more complete distributional data for new biogeographic hypotheses, taxonomic and ecological research, and biodiversity conservation.

Published
2021

4. Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 9

Author

P. L. Nimis, Nicodemo G. Passalacqua, Fabrizio Boccardo, M. Marziano, Zuzana Fačkovcová, Michele Aleffi, I. Catalano, Elena Pittao, R. Jon, C. Guarino, Luca Paoli, Chiara Vallese, Ilaria Bonini, Jiří Malíček, Anna Guttová, Giulio Pandeli, A. B. De Giuseppe, Sonia Ravera, M. Cabon, Gabriele Gheza, L. Di Nuzzo, Cosimo Matino, F. Sguazzin, Alfredo Vizzini, Domenico Puntillo, G. Aloise, Francesco Dovana, Giovanni Sicoli, Slavomír Adamčík, Silvia Poponessi, Stefano Gianfreda, Marta Puglisi, Ravera S., Vizzini A., Puglisi M., Adamcik S., Aleffi M., Aloise G., Boccardo F., Bonini I., Cabon M., Catalano I., De Giuseppe A.B., Di Nuzzo L., Dovana F., Fackovcova Z., Gheza G., Gianfreda S., Guarino C., Guttova A., Jon R., Malicek J., Marziano M., Matino C., Nimis P.L., Pandeli G., Paoli L., Passalacqua N.G., Pittao E., Poponessi S., Puntillo D., Sguazzin F., Sicoli G., Vallese C., Ravera, Sonia, Vizzini, Alfredo, Puglisi, Marta, Adamčík, Slavomir, Aleffi, Michele, Aloise, Gaetano, Boccardo, Fabrizio, Bonini, Ilaria, Caboň, Miroslav, Catalano, Immacolata, De Giuseppe, Antonio B., Di Nuzzo, Luca, Dovana, Francesco, Fačkovcová, Zuzana, Gheza, Gabriele, Gianfreda, Stefano, Guarino, Carmine, Guttová, Anna, Jon, Raffaello, Malíček, Jiří, Marziano, Mario, Matino, Cosimo, Nimis, Pier Luigi, Pandeli, Giulio, Paoli, Luca, Passalacqua, Nicodemo G., Pittao, Elena, Poponessi, Silvia, Puntillo, Domenico, Sguazzin, Francesco, Sicoli, Giovanni, and Vallese, Chiara

Subjects
0106 biological sciences, Flora, Jungermanniidae, Plant Science, 010603 evolutionary biology, 01 natural sciences, Bryidae, Ascomycota, Algae, lcsh:Botany, Botany, Lichen, Ecology, Evolution, Behavior and Systematics, biology, Basidiomycota, biology.organism_classification, lcsh:QK1-989, Geography, Marchantiidae, Ascomycota Basidiomycota Bryidae Jungermanniidae Marchantiidae, 010606 plant biology & botany
Abstract

In this contribution, new data concerning bryophytes, fungi, and lichens of the Italian flora are presented. It includes new records and confirmations for the bryophyte genera Encalypta, Grimmia, and Riccia, for the fungal genera Hericium, Inocybe, Inocutis, Pluteus, and Russula, and for the lichen genera Bryoria, Farnoldia, Hypocenomyce, Lecania, Paracollema, Peltigera, Sarcogyne, and Teloschistes.

Published
2020

5. Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 8

Author

Cecilia Totti, Claudia Turcato, Pier Luigi Nimis, Antonio B. De Giuseppe, Elisabetta Bianchi, Fabrizio Boccardo, Valeria Tomaselli, Mauro Mariotti, Leonardo Rosati, Paolo Giordani, Renato Benesperi, Gabriella Arosio, Luca Di Nuzzo, Chiara Vallese, Gabriele Gheza, Maria Zardini, Davide Dagnino, Francesco Dovana, Marta Puglisi, Alfredo Vizzini, Elena Pittao, Giovanna Potenza, Daniel Spitale, Giovanni Sicoli, Ian Briozzo, Jiří Malíček, Stefano Martellos, Nicodemo G. Passalacqua, Helmut Mayrhofer, Simonetta Fascetti, Sonia Ravera, Domenico Puntillo, Juri Nascimbene, Luigi Minuto, Raffaella Trabucco, Ravera, S., Puglisi, M., Vizzini, A., Totti, C., Arosio, G., Benesperi, R., Bianchi, E., Boccardo, F., Briozzo, I., Dagnino, D., de Giuseppe, A. B., Dovana, F., Di Nuzzo, L., Fascetti, S., Gheza, G., Giordani, P., Malicek, J., Mariotti, M. G., Mayrhofer, H., Minuto, L., Nascimbene, J., Nimis, P. L., Martellos, S., Passalacqua, N. G., Pittao, E., Potenza, G., Puntillo, D., Rosati, L., Sicoli, G., Spitale, D., Tomaselli, V., Trabucco, R., Turcato, C., Vallese, C., Zardini, M., Ravera S., Puglisi M., Vizzini A., Totti C., Arosio G., Benesperi R., Bianchi E., Boccardo F., Briozzo I., Dagnino D., de Giuseppe A.B., Dovana F., Di Nuzzo L., Fascetti S., Gheza G., Giordani P., Malicek J., Mariotti M.G., Mayrhofer H., Minuto L., Nascimbene J., Nimis P.L., Martellos S., Passalacqua N.G., Pittao E., Potenza G., Puntillo D., Rosati L., Sicoli G., Spitale D., Tomaselli V., Trabucco R., Turcato C., Vallese C., and Zardini M.

Subjects
0106 biological sciences, Flora, Ascomycota, Basidiomycota, Bryidae, Charophyceae, Marchantiidae, Plant Science, 010603 evolutionary biology, 01 natural sciences, Algae, Ascomycota, Basidiomycota, Bryidae, Charophyceae, Marchantiidae, lcsh:Botany, Botany, Lichen, Ascomycota, Basidiomycota, Bryidae, Charophyceae, Marchantiidae How, lichens, Ecology, Evolution, Behavior and Systematics, biology, biology.organism_classification, lcsh:QK1-989, Geography, Marchantiidae How, 010606 plant biology & botany
Abstract

In this contribution, new data concerning algae, bryophytes, fungi, and lichens of the Italian flora are presented. It includes new records and confirmations for the algae genusChara, the bryophyte generaHomalia,Mannia, andTortella, the fungal generaCortinarius,Russula, andStereum, and the lichen generaCetrelia,Cladonia,Enterographa,Graphis,Lecanora,Lepraria,Multiclavula,Mycomicrothelia,Parmelia,Peltigera,Pleopsidium,Psora,Scytinium,Umbilicaria, andRhizocarpon.

Published
2019

6. Lichen Distribution Patterns in the Ecoregions of Italy

Author

Juri Nascimbene, Marco d'Agostino, Pier Luigi Nimis, Alessandro Chiarucci, Stefano Martellos, DIPARTIMENTO DI SCIENZE BIOLOGICHE, GEOLOGICHE E AMBIENTALI, AREA MIN. 05 - Scienze biologiche, Da definire, Martellos, S., D'Agostino, M., Chiarucci, A., Nimis, P. L., Nascimbene, J., Martellos S., d'Agostino M., Chiarucci A., Nimis P.L., and Nascimbene J.

Subjects
0106 biological sciences, Climate, Distribution (economics), Lichen functional trait, Species richness pattern, 010603 evolutionary biology, 01 natural sciences, Exploration, GIS, ITALIC, Lichen functional traits, Spatial analysis, Baseline (configuration management), Lichen, lcsh:QH301-705.5, Nature and Landscape Conservation, geography, geography.geographical_feature_category, Ecology, business.industry, Ecological Modeling, Bedrock, Biota, Agricultural and Biological Sciences (miscellaneous), Taxon, lcsh:Biology (General), Spatial analysi, Species richness, Physical geography, Scale (map), business, 010606 plant biology & botany
Abstract

open 5 no An outline of the main distribution patterns of lichens in the ecoregions of Italy, accounting for their climatic, geographic, and environmental features, is still missing. On the basis of a GIS-based analysis, we summarized: (1) the main features (e.g., surface, climate, landscape, topographic heterogeneity, bedrock, eutrophication) of the 9 ecoregions adopted in ITALIC, the information system on Italian lichens, and (2) the patterns of richness, functional traits, and ecological requirements of lichens in the ecoregions. Our GIS-based analysis describes for the first time the main features of the 9 ecoregions adopted in ITALIC, highlighting differences which could explain the main lichen patterns. Overall, the exploration of the Italian lichen biota is still a work in progress, some regions being still underexplored, especially in the South, with new taxa being reported every year. Our research could provide a baseline for further advancements in the understanding of species richness and community composition of Italian lichens, at a regional scale. none Martellos S.; d'Agostino M.; Chiarucci A.; Nimis P.L.; Nascimbene J. Martellos S.; d'Agostino M.; Chiarucci A.; Nimis P.L.; Nascimbene J.

Published
2020

7. Notulae to the Italian alien vascular flora: 6

Author

Chiara Steffanini, Gaetano Pazienza, A. Sani, Lorenzo Peruzzi, Adriano Stinca, Francesco Saverio D’Amico, Luigi Forte, Alessandro Ruggero, Giuliano Mereu, Maurizio Trenchi, Giacomo Mei, Gianluigi Bacchetta, Francesca Carruggio, Pietro Medagli, Lorenzo Lazzaro, Liliana Bernardo, Giovanni Maiorca, Domenico Gargano, Franco Caldararo, Gabriele Galasso, Giancarlo Tondi, Domenico Saulle, Sara Magrini, Massimiliano Rempicci, Günter Gottschlich, Francesco Di Carlo, Massimo Terzi, Daniele Viciani, Filippo Prosser, Chiara Nepi, Gianniantonio Domina, Nicola Olivieri, Danio Miserocchi, Alessandro Cavagna, Francesco Festi, Fabrizio Bartolucci, Robert P. Wagensommer, Flavio Mennini, Giovanni Buccomino, Nicodemo G. Passalacqua, Nicola M. G. Ardenghi, Sergio Buono, Giacomo Calvia, Francesco Roma-Marzio, Galasso G., Domina G., Alessandrini A., Ardenghi N.M.G., Bacchetta G., Ballelli S., Bartolucci F., Brundu G., Buono S., Busnardo G., Calvia G., Capece P., D'Antraccoli M., Di Nuzzo L.D., Fanfarillo E., Ferretti G., Guarino R., Iamonico D., Iberite M., Latini M., Lazzaro L., Lonati M., Lozano V., Magrini S., Mei G., Mereu G., Moro A., Mugnai M., Nicolella G., Nimis P.L., Olivieri N., Pennesi R., Peruzzi L., Podda L., Probo M., Prosser F., Enri S.R., Roma-Marzio F., Ruggero A., Scafidi F., Stinca A., Nepi C., Ardenghi N.M., Bernardo L., Buccomino G., Caldararo F., Carruggio F., Cavagna A., D'Amico F.S., Di Carlo F., Festi F., Forte L., Gargano D., Gottschlich G., Maiorca G., Medagli P., Mennini F., Miserocchi D., Passalacqua N.G., Pazienza G., Rempicci M., Sani A., Saulle D., Steffanini C., Terzi M., Tondi G., Trenchi M., Viciani D., Wagensommer R.P., Galasso, Gabriele, Domina, Gianniantonio, Alessandrini, Alessandro, Ardenghi, Nicola M. G., Bacchetta, Gianluigi, Ballelli, Sandro, Bartolucci, Fabrizio, Brundu, Giuseppe, Buono, Sergio, Busnardo, Giuseppe, Calvia, Giacomo, Capece, Paolo, D’Antraccoli, Marco, Di Nuzzo, Luca, Fanfarillo, Emanuele, Ferretti, Giulio, Guarino, Riccardo, Iamonico, Duilio, Iberite, Mauro, Latini, Marta, Lazzaro, Lorenzo, Lonati, Michele, Lozano, Vanessa, Magrini, Sara, Mei, Giacomo, Mereu, Giuliano, Moro, Andrea, Mugnai, Michele, Nicolella, Gianluca, Nimis, Pierluigi, Olivieri, Nicola, Pennesi, Riccardo, Peruzzi, Lorenzo, Podda, Lina, Probo, Massimiliano, Prosser, Filippo, Ravetto Enri, Simone, Roma-Marzio, Francesco, Ruggero, Alessandro, Scafidi, Filippo, Stinca, Adriano, and Nepi, Chiara

Subjects
0106 biological sciences, Flora, alien specie, Alien species, Plant Science, Alien, Biology, 010603 evolutionary biology, 01 natural sciences, Plant science, floristic data, italian flora, lcsh:Botany, Botany, Nomenclature, Ecology, Evolution, Behavior and Systematics, Alien specie, alien species, Italy, Ecology, Floristic data, lcsh:QK1-989, Geography, Alien species, floristic data, Italy, Settore BIO/03 - Botanica Ambientale E Applicata, Floristic data, Italy, nomenclature, 010606 plant biology & botany
Abstract

In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, exclusions, and status changes for Italy or for Italian administrative regions of taxa in the generaAcalypha,Acer,Canna,Cardamine,Cedrus,Chlorophytum,Citrus,Cyperus,Epilobium,Eucalyptus,Euphorbia,Gamochaeta,Hesperocyparis,Heteranthera,Lemna,Ligustrum,Lycium,Nassella,Nothoscordum,Oenothera,Osteospermum,Paspalum,Pontederia,Romulea,Rudbeckia,Salvia,Sesbania,Setaria,Sicyos,Styphnolobium,Symphyotrichum, andTradescantia. Nomenclature and distribution updates, published elsewhere, and corrigenda are provided as supplementary material.

Published
2018

8. Notulae to the Italian flora of algae, bryophytes, fungi and lichens: 5

Author

Wolfgang von Brackel, Stefano Martellos, Domenico Puntillo, Deborah Isocrono, Daniela Cataldo, Luca Di Nuzzo, Renato Benesperi, Gabriele Gheza, F. Sguazzin, Annalena Cogoni, Silvia Ongaro, Lorenzo Morosini, Sonia Ravera, Enrica Matteucci, Mauro Tretiach, Sergio Enrico Favero Longo, Costantino D'Antonio, Elisabetta Bianchi, Alfredo Vizzini, Silvia Poponessi, Pier Luigi Nimis, Michele Aleffi, Sonia, Ravera, Alfredo, Vizzini, Annalena, Cogoni, Michele, Aleffi, Renato, Benesperi, Elisabetta, Bianchi, Wolfgang von Brackel, Daniela, Cataldo, Costantino, D’Antonio, Luca Di Nuzzo, Sergio Enrico Favero-Longo, Gabriele, Gheza, Deborah, Isocrono, Enrica, Matteucci, Martellos, Stefano, Morosini, Lorenzo, Nimis, Pierluigi, Ongaro, Silvia, Silvia, Poponessi, Domenico, Puntillo, Francesco, Sguazzin, Tretiach, Mauro, Ravera S., Vizzini A., Cogoni A., Aleffi M., Benesperi R., Bianchi E., von Brackel W., Cataldo D., D'Antonio C., Di Nuzzo L., Favero-Longo S.E., Gheza G., Isocrono D., Matteucci E., Martellos S., Morosini L., Nimis P.L., Ongaro S., Poponessi S., Puntillo D., Sguazzin F., and Tretiach M.

Subjects
0106 biological sciences, Flora, Jungermanniidae, Plant Science, 010603 evolutionary biology, 01 natural sciences, Bryidae, floristic data, Algae, Ascomycota, lcsh:Botany, Botany, Lichen, Ascomycota, Basidiomycota, Bryidae, Jungermanniidae, floristic data, Ecology, Evolution, Behavior and Systematics, biology, Basidiomycota, Basidiomycota, Bryidae, biology.organism_classification, lcsh:QK1-989, Geography, 010606 plant biology & botany
Abstract

In this contribution, new data concerning bryophytes, fungi, and lichens of the Italian flora are presented. It includes new records and confirmations for the bryophyte genera Diplophyllum and Ptychostomum, the fungal genera Arrhenia, Gymnosporangium, and Sporidesmium and the lichen genera Arthonia, Coenogonium, Flavoplaca, Gyalolechia, Parmotrema, Peltigera, Pterygiopsis, Squamarina, Tornabea, and Waynea.

Published
2018

9. Mapping lichen diversity as an indicator of environmental quality

Author

Christoph Scheidegger, U. Kirschbaum, F. Fornasier, Juliette Asta, S. A. Pirintsos, Pier Luigi Nimis, O. W. Purvis, W. Erhardt, V. Wirth, Marco Ferretti, C. Van Haluwyn, Nimis P.L., Scheidegger Ch., Wolseley P.A. (eds.), Asta, J., Erhardt, W., Ferretti, M., Fornasier, F., Kirschbaum, U., Nimis, Pierluigi, Purvis, W., Pirintsos, S., Scheidegger, C. h., van Haluwyn, C. h., and Wirth, V.

Subjects
Pollution, Lichens, Standardization, media_common.quotation_subject, Air pollution, Lichen, medicine.disease_cause, Lichen Diversity Values, Sampling grid, Geography, medicine, Physical geography, Environmental quality, media_common, Diversity (business)
Abstract

In the last decades, several methods were proposed for assessing environmental quality — mainly air pollution — on the basis of lichen data (see chapter 4, this volume). At the end of the 80s the predictivity of 20 different methods with respect to instrumental pollution data was tested in Switzerland using multiple regression [1, 5]. The highest correlation was found with the sum of frequencies of lichen species within a sampling grid of 10 units positioned on the trunks of free-standing trees. This method was immediately and widely adopted in several other countries, esp. Italy and Germany, with some modifications, chiefly concerning the size of the sampling grid. Since 1987, hundreds of studies were carried out with this approach, which led to its standardization in the form of guidelines both in Germany [13], and in Italy [7].

Published
2002

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