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RESEARCH PRODUCT
Assessment of the conservation status of the mat-forming lichens Cladonia subgenus Cladina in Italy
Juri NascimbeneSonia RaveraDeborah IsocronoC. MontagnaniMauro TretiachRenato BenesperiPaolo Giordanisubject
0106 biological sciences0301 basic medicineIUCN protected area categoriesEvolutionhabitat lossExtinction riskPopulationExtinction risk; fragmentation; habitat directive; habitat loss; lichen conservation; Ecology Evolution Behavior and Systematics; Plant SciencePlant ScienceBiologyExtinction risk fragmentation habitat directive habitat loss lichen conservation010603 evolutionary biology01 natural sciences03 medical and health sciencesBehavior and SystematicsfragmentationIUCN Red ListeducationEcology Evolution Behavior and Systematicsherbariumlichen conservationBIO/03 - BOTANICA AMBIENTALE E APPLICATAeducation.field_of_studyCladoniaEcologyEcologyhabitat directive030108 mycology & parasitologybiology.organism_classificationEcology Evolution Behavior and SystematicHabitat destructionHerbariumThreatened speciesConservation statusExtinction risk fragmentation habitat directive habitat loss lichen conservation herbariumhabitat lodescription
Cladina species are likely to suffer the impact of human pressure, resulting in a potential, as well as currently unknown, extinction risk for some of them. In this study, we used herbarium specimen data and literature data combined with geographic information system (GIS)-based analyses to assess the threatened status of Italian Cladina species according to IUCN criteria. A total of 485 records, reported during the period 1833–2013, were evaluated. Biological traits, habitat requirements and distribution patterns were used to infer species extinction risk. Extent of occurrence and area of occupancy have been calculated at the national scale, based on a 2 km × 2 km cell grid. The potential threats for the taxa were assessed using a decision-support protocol in order to set conservation targets for taxa lacking population viability analyses and habitat modelling data. The species were assigned to the IUCN categories mainly using the geographical criterion B, related to species with restricted and fragmented distribution and continuous declining trend, but the species have been tested against the maximum number of criteria for which data were available and/or appropriate. This has provided an opportunity to discuss some basic aspects of the process of lichen red-listing, suggesting some methodological improvements for the mat-forming ones.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-01-13 |