Abstract
This study aimed to better document the diversity and distribution patterns of vascular cryophilous species across major habitat types in a high-elevation Mediterranean system in central Italy. The research addressed the following questions: (a) whether different habitats support similar levels of biodiversity in terms of total vascular plants richness and cryophilous species richness, and (b) how each habitat contributes to the total cryophilous species diversity. A random stratified sampling approach based on a habitat map was applied to construct rarefaction curves for overall cryophilous species richness and habitat type-specific cryophilous richness. Rarefaction curves were also constructed for all-species and exclusive species. To determine whether the targeted species represented a constant proportion of all species, the ratio between the rarefaction curves of the cryophilous species and all species was also calculated. The results highlight the importance of the different habitat types in overall and cryophilous species conservation because these different habitat types had progressively higher richness values. At the regional scale, steep slopes had the highest species diversity, the greatest exclusive species richness and a steep rarefaction curve. The diversity pattern of cryophilous taxa was not related to the general pattern of total species richness, with these species being more common in three habitat types with extreme environmental conditions: ridges, cliffs, and screes. For the establishment of successful biodiversity conservation programs, it is imperative to include species-poor habitats containing a high proportion of cryophilous species, which are considered to be threatened by climate warming.
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References
Acosta A, Carranza ML, Izzi F (2009) Are there habitats that contribute best to plant species diversity in coastal dunes? Biodivers Conserv 18:1087–1098
Aeschimann D, Lauber K, Moser DM, Theurillat J-P (2004) Flora Alpina. Zanichelli, Bologna
Blasi C, Di Pietro R, Pelino G (2005) The vegetation of alpine belt karst-tectonic basin in central Apennines (Italy). Plant Biosyst 139(3):357–385
Bruun HH, Moen J, Virtanen R, Grytnes J-A, Oksanen L, Angerbjörn A (2006) Effects of altitude and topography on species richness of vascular plants, bryophytes and lichens in alpine communities. J Veg Sci 17:37–46
Chiarucci A, Bacaro G, Rocchini D (2008a) Quantifying plant species diversity in a Natura 2000 network: old ideas and new proposals. Biol Conserv 141:2608–2615
Chiarucci A, Bacaro G, Rocchini D, Fattorini L (2008b) Discovering and rediscovering the sample-based rarefaction formula in the ecological literature. Community Ecol 9:121–123
Colwell RK (2004) EstimateS: Statistical estimation of species richness and shared species from samples. Version 7.5. http://purl.oclc.org/estimates
Conti F (1998) Flora d’Abruzzo. Bocconea 10:1–273
Conti F, Abbate G, Alessandrini A, Blasi C (2005) An annotated checklist of the Italian vascular flora. Palombi, Roma
Erschbamer B, Kiebacher T, Mallaun M, Unterluggauer P (2009) Short-term signals of climate change along an altitudinal gradient in the South Alps. Plant Ecol 202:79–89
Gotelli NJ, Colwell RK (2001) Quantifying biodiversity: procedures and pitfalls in the measurement and comparison of species richness. Ecol Lett 4:379–391
Grabherr G, Gottfried M, Pauli H (1994) Climate effects on mountain plants. Nature 369:448
Gutiérrez-Giró A, Gavilán RG (2010) Spatial patterns and interspecific relations analysis help to better understand species distribution patterns in a Mediterranean high mountain grassland. Plant Ecol 210(1):137–151
Koellner T, Hersperger AM, Wohlgemuth T (2004) Rarefaction method for assessing plant species diversity on a regional scale. Ecography 27:532–544
Körner C (2003) Alpine plant life: functional plant ecology of high mountain ecosystems, 2nd edn. Springer, Berlin
Lennon JJ, Koleff P, Greenwood JJD, Gaston KJ (2004) Contribution of rarity and commonness to patterns of species richness. Ecol Lett 7:81–87
Pauli H, Gottfried M, Dirnböck T, Dullinger S, Grabherr G (2003) Assessing the long-term dynamics of endemic plants at summit habitats. Ecol Stud 167:195–207
Pelino G, Carranza ML, Stanisci A (2005) Specie rare nelle unità ambientali del piano alpino del Parco Nazionale della Majella. Inf Bot Ital 37:288–289
Pignatti S (1982) Flora d’Italia. Edagricole, Bologna
Stanisci A, Pelino G, Blasi C (2005) Vascular plant diversity and climate change in the alpine belt of central Apennines (Italy). Biodivers Conserv 14:1301–1318
Acknowledgments
We are very grateful to the two anonymous reviewers who much improved the draft version of the article and to the managing staff of the Majella National Park for their logistical support.
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Appendix I
Map of the high elevation habitats in the Majella National Park (Central Italy) (PDF 526 kb)
Appendix 2
Checklist of total sampled flora (PDF 60 kb)
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Stanisci, A., Carranza, M.L., Pelino, G. et al. Assessing the diversity pattern of cryophilous plant species in high elevation habitats. Plant Ecol 212, 595–600 (2011). https://doi.org/10.1007/s11258-010-9849-z
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DOI: https://doi.org/10.1007/s11258-010-9849-z