caa a22 4500 475751582 CHVBK 20180406123525.0 cr unu---uuuuu 170329e20000601xx s 000 0 eng 10.1023/A:1009899615852 doi (NATIONALLICENCE)springer-10.1023/A:1009899615852 Pteridophyte richness in the NE Iberian Peninsula: biogeographic patterns [Elektronische Daten] [Juli Pausas, Llorenç Sáez] The richness and coexistence of pteridophyte species were studied at the mesoscale level in the NE Iberian Peninsula (Catalonia and Andorra) using a grid system with 10×10km cell-size. The number of pteridophytes, the number of monolete and trilete ferns (two spore patterns), and the number of polyploid and diploid ferns were studied in 371 of such units. The results suggest: (a) a significant relationship of pteridophyte species richness with higher-taxon richness (genera, family, order, class); (b) a significant relationship between pteridophyte richness and maximum altitude (positively related), bedrock type (higher richness in siliceous types), and distance to the coast (interacting with altitude); (c) a significant positive relationship of monolete/trilete ratio with altitude (in the study area) and with latitude (at the European scale); (d) a significantly higher polyploid/diploid ratio for monolete ferns than for trilete ferns, and a significant relation of this ratio with altitude. We conclude that at the scale studied, the distribution of pteridophyte richness is mainly related to terrain and climate parameters and that the monolete/trilete pattern may be explained by the higher polyploidy rate and better migration capacity in monolete species. Kluwer Academic Publishers, 2000 Biodiversity nationallicence Conservation nationallicence Ferns nationallicence Monolete ferns nationallicence Species richness nationallicence Trilete ferns nationallicence Pausas Juli Centro de Estudios Ambientales del Mediterráneo (CEAM), Parc Tecnològic, C. Darwin 14, 46980, Paterna, València, Spain aut Sáez Llorenç Departament de Biologia Vegetal, Universitat de Barcelona, Av, Diagonal 645, 08028, Barcelona, Spain aut Plant Ecology Kluwer Academic Publishers 148/2(2000-06-01), 195-205 1385-0237 148:2<195 2000 148 11258 https://doi.org/10.1023/A:1009899615852 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1009899615852 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Pausas Juli Centro de Estudios Ambientales del Mediterráneo (CEAM), Parc Tecnològic, C. Darwin 14, 46980, Paterna, València, Spain aut NATIONALLICENCE 700 1- Sáez Llorenç Departament de Biologia Vegetal, Universitat de Barcelona, Av, Diagonal 645, 08028, Barcelona, Spain aut NATIONALLICENCE 773 0- Plant Ecology Kluwer Academic Publishers 148/2(2000-06-01), 195-205 1385-0237 148:2<195 2000 148 11258 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer