Germination studies in Juncus acutus L. (Juncaceae), Schoenus nigricans L. (Cyperaceae) and Arthrocnemum macrostachyum (Moric.) Moris (Chenopodiaceae) for salt-marshes restorati
Author
Conesa Gallego, Encarnación; Vicente Colomer, María José; Álvarez Rogel, José; Franco Leemhuis, José Antonio; Martínez Sánchez, Juan JoséResearch Group
Grupo de Investigación de Hortofloricultura MediterráneaKnowledge Area
Edafología y Química AgrícolaProducción VegetalPublication date
2011Publisher
Universidad Politécnica de CartagenaBibliographic Citation
CONESA, E., VICENTE, M.J., ÁLVAREZ ROGEL, J., FRANCO, J.A., MARTÍNEZ SÁNCHEZ, J.J. Germination studies in Juncus acutus L. (Juncaceae), Schoenus nigricans L. (Cyperaceae) and Arthrocnemum macrostachyum (Moric.) Moris (Chenopodiaceae) for salt-marshes restorati. Technology and Knowledge Transfer e-Bulletin, vol.2, no 2: 1-3 p. ISSN 2172-0436Keywords
Germinación de recuperaciónHalófitas
Salinidad
Semilla ecológica
Germination recovery
Halophytes
Salinity
Salt marshes
Seed ecology
Marisma
Abstract
Since the 1970’s, salt marshes have been reduced in area by a great antropogenic pressure derived from agriculture, and more recently, from demand for tourist urban facilities. Therefore, restoration and preservation of plant communities in salt marshes are needed. Among the perennial species that appear typically in maritime sands, on the Mediterranean region and western Europe Juncus acutus L. (Juncaceae), Schoenus nigricans L. (Cyperaceae) and Arthrocnemum macrostachyum (Moric.) Moris (Chenopodiaceae) frequently occur (Álvarez-Rogel et al., 2000; Vicente et al., 2007). On other hand soil salinity has traditionally been considered one of the most important physical factors in plant zonation of salt marshes (Fig.1). Álvarez-Rogel et al. (2006) related the increase in soil salinity in summer to a higher content in Cl−, Na+, SO42−, Ca2+, Mg2+ and K+. However, the relative percentages of Ca2+ and K+ decreased when salinity rose, leading to an imbalance in favour of the most toxic cations, ...
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