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Plant Sociology 54 (2) S1 2017

pag. 5-14: A phytosociological review of siliceous sedges in C-W Spain and their state of conservation based on diversity indices

E. Cano1, C.M. Musarella2, A. Cano-Ortiz1, J.C. Piñar1, C.J. Pinto Gomes3, A. Rodríguez Torres4, G. Spampinato2

1Dpt. of Animal and Plant Biology and Ecology, Botany Department, University of Jaén, Campus Universitario Las Lagunillas s/n. 23071 Jaén, Spain.

2Dpt. of Agraria, University “Mediterranea” of Reggio Calabria, Località Feo di Vito, 89122 Reggio Calabria, Italy.

3Dpt. of Landscape, Environment and Planning, Institute for Mediterranean Agrarian and Environmental Sciences (ICAAM), School of Science and Technology, University of Évora, Portugal.

4Environment and Rural Development, Board of Castilla-La Mancha, Junta de Castilla-La Mancha, C/ Quintanar de la Orden, s/n. 45071 Toledo, Spain.

doi: 10.7338/pls2017542S1/01

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A study was made of waterlogged areas in C-W Spain, and revealed the presence of the alliance Genistion micrantho-anglicae, and a series of associations belonging to Isoeto-Nanojuncetea included in habitat 3170*. This work describes the new association Ericetum scopario-lusitanicae in Genistion micrantho-anglicae, and assigns it to habitat 4020*. Due to the importance of these areas, we study their state of conservation and analyse their diversity by applying Shannon’s index and establishing a relationship between the characteristic and companion species abundance in the community. The analysis of the diversity and state of conservation of the sampled plots at a global scale over the whole territory shows a conservation level of VmCa-VmCo > 0. However the study of individual plots reveals a trend towards the transformation of heathland into plant communities of Molinia caeruelea, Junxcus acutiflorus, Pteridium aquilinum and Rubus ulmifolius.


conservation, diversity, habitat, vegetation