{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T13:12:32Z","timestamp":1778332352490,"version":"3.51.4"},"reference-count":80,"publisher":"Oxford University Press (OUP)","license":[{"start":{"date-parts":[[2016,10,1]],"date-time":"2016-10-01T00:00:00Z","timestamp":1475280000000},"content-version":"vor","delay-in-days":1004,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Coastal areas and other saline environments are major contributors to regional and global biodiversity patterns. In these environments, rapidly changing gradients require highly specialized plants like halophytes. In European coastal cliff-tops, rocky and sandy seashores, and saltmarshes, typical halophytes from the genus Limonium are commonly found. Among them, the aneuploid tetraploid (2n = 4x = 35, 36, 37) Limonium multiflorum, endemic to the west coast of Portugal, is an interesting case study for investigating the ecology and conservation of a halophyte agamospermic species. Although it is listed in the IUCN red list of threatened species, information on its population size or rarity, as well as its ecology, in some respects is still unknown. Field surveys in the largest known population were performed (Raso cape, Portugal) in order to determine habitat requirements and conservation status. A total of 88 quadrats were monitored, 43 of which contained at least one L. multiflorum individual. For each sampled quadrat, four abiotic and four biotic variables as well as two spatially derived variables were recorded. Principal component analysis and cluster analysis showed narrow habitat specificity for this species which appeared to be intolerant to competition with invasive alien plants. We conclude that in situ conservation in a local \u2018hotspot\u2019 of this rare and vulnerable species emerges as a priority in order to ensure that biodiversity is not lost.<\/jats:p>","DOI":"10.1093\/aobpla\/plu032","type":"journal-article","created":{"date-parts":[[2014,6,18]],"date-time":"2014-06-18T21:33:21Z","timestamp":1403127201000},"source":"Crossref","is-referenced-by-count":23,"title":["Habitat specificity of a threatened and endemic, cliff-dwelling\nhalophyte"],"prefix":"10.1093","volume":"6","author":[{"given":"Ana D.","family":"Caperta","sequence":"first","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"Instituto Superior de Agronomia 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]},{"given":"M. Dalila","family":"Esp\u00edrito-Santo","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"Instituto Superior de Agronomia 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]},{"given":"Vasco","family":"Silva","sequence":"additional","affiliation":[{"name":"Cascais Municipal Environment Company 3 \u00a0 , , Alcoit\u00e3o, 2645-138 Alcabideche ,","place":["Portugal"]},{"name":"Complexo Multiservi\u00e7os, Estrada de Manique no. 1830 3 \u00a0 , , Alcoit\u00e3o, 2645-138 Alcabideche ,","place":["Portugal"]}]},{"given":"Ana","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Cascais Municipal Environment Company 3 \u00a0 , , Alcoit\u00e3o, 2645-138 Alcabideche ,","place":["Portugal"]},{"name":"Complexo Multiservi\u00e7os, Estrada de Manique no. 1830 3 \u00a0 , , Alcoit\u00e3o, 2645-138 Alcabideche ,","place":["Portugal"]}]},{"given":"Ana P.","family":"Paes","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]},{"given":"Ana S.","family":"R\u00f3is","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]},{"given":"Jos\u00e9 C.","family":"Costa","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"Instituto Superior de Agronomia 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]},{"given":"Pedro","family":"Ars\u00e9nio","sequence":"additional","affiliation":[{"name":"Instituto Superior de Agronomia 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 1 \u00a0 Plant Diversity and Conservation Group, Centro de Bot\u00e2nica Aplicada \u00e0 Agricultura , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"Instituto Superior de Agronomia 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]},{"name":"University of Lisbon 2 \u00a0 Centro de Ecologia Aplicada \u2018Prof. Baeta Neves\u2019 , , , Tapada da Ajuda, 1349-017 Lisbon ,","place":["Portugal"]}]}],"member":"286","published-online":{"date-parts":[[2014,7,22]]},"reference":[{"key":"2026050909025013200_PLU032C1","volume-title":"A handbook for botanic gardens for reintroduction of plants to the wild","author":"Akeroyd","year":"1995"},{"key":"2026050909025013200_PLU032C2","volume-title":"Guide for the assessment of imminent threats and environmental damages","author":"APA [The Environmental Protection Agency of Portugal]","year":"2011"},{"key":"2026050909025013200_PLU032C3","first-page":"342","article-title":"Dry coastal ecosystems of Portugal","volume-title":"Dry coastal ecosystems: polar regions and Europe. 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In\nHonorium do Professor Catedr\u00e1tico Em\u00e9rito Il\u00eddio Ros\u00e1rio dos Santos Moreira","author":"Esp\u00edrito-Santo","year":"2012"},{"key":"2026050909025013200_PLU032C30","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1016\/j.biocon.2006.10.045","article-title":"Plant life history traits of rare versus frequent plant taxa of sandplains:\nimplications for research and management trials","volume":"136","author":"Farnsworth","year":"2007","journal-title":"Biological Conservation"},{"key":"2026050909025013200_PLU032C31","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1127\/0340-269X\/2006\/0036-0321","article-title":"A multivariate approach to plant community distribution in the coastal dune\nzonation of NW Denmark","volume":"36","author":"Frederiksen","year":"2006","journal-title":"Phytocoenologia"},{"key":"2026050909025013200_PLU032C32","first-page":"672","article-title":"How successful are plant species reintroductions?","volume":"144","author":"Godefroid","year":"2011","journal-title":"Biodiversity and Conservation"},{"key":"2026050909025013200_PLU032C33","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-319-05729-3","volume-title":"Halophytes: an integrative anatomical study","author":"Grigore","year":"2014"},{"key":"2026050909025013200_PLU032C34","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1016\/S0006-3207(03)00121-6","article-title":"Plant conservation: old problems, new perspectives","volume":"113","author":"Heywood","year":"2003","journal-title":"Biological Conservation"},{"key":"2026050909025013200_PLU032C35","doi-asserted-by":"crossref","first-page":"1194","DOI":"10.1002\/tax.584012","article-title":"Reticulate evolution and taxonomic concepts in the Ranunculus\nauricomus complex (Ranunculaceae): insights from morphological, karyological\nand molecular data","volume":"58","author":"H\u00f6randl","year":"2009","journal-title":"Taxon"},{"key":"2026050909025013200_PLU032C36","volume-title":"Relat\u00f3rio Nacional de Aplica\u00e7\u00e3o da Directiva Habitats (2007\u20132012)","author":"ICNF","year":"2013"},{"key":"2026050909025013200_PLU032C37","author":"IUCN","year":"2013"},{"key":"2026050909025013200_PLU032C38","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1038\/hdy.1965.48","article-title":"Complex hybridity in Isotoma petraea. 1. The occurrence of\ninterchange heterozygosity, autogamy and a balanced lethal system","volume":"20","author":"James","year":"1965","journal-title":"Heredity"},{"key":"2026050909025013200_PLU032C39","doi-asserted-by":"crossref","first-page":"1101","DOI":"10.1007\/s00606-012-0619-3","article-title":"Breeding system and ecological traits of the critically endangered endemic\nplant Limonium barceloi (Gil and Llorens)\n(Plumbaginaceae)","volume":"298","author":"Khan","year":"2012","journal-title":"Plant Systematics and Evolution"},{"key":"2026050909025013200_PLU032C40","first-page":"523","article-title":"Plumbaginaceae","volume-title":"The families and genera of vascular plants","author":"Kubitzki","year":"1993"},{"key":"2026050909025013200_PLU032C41","first-page":"127","article-title":"Relevant plant recovery programmes. Conservation management of plant\nmicro-reserves and ecological restoration","volume-title":"Plant micro-reserves: from theory to practice. Experiences gained from EU LIFE and\nother related projects","author":"Laguna","year":"2013"},{"key":"2026050909025013200_PLU032C42","doi-asserted-by":"crossref","first-page":"1189","DOI":"10.3732\/ajb.92.7.1189","article-title":"Molecular phylogenetics of Limonium and related genera\n(Plumbaginaceae): biogeographical and systematic implications","volume":"92","author":"Lled\u00f3","year":"2005","journal-title":"American Journal of Botany"},{"key":"2026050909025013200_PLU032C43","doi-asserted-by":"crossref","first-page":"779","DOI":"10.1007\/s10722-007-9283-9","article-title":"National inventories of crop wild relatives and wild harvested plants:\ncase-study for Portugal","volume":"55","author":"Magos-Brehm","year":"2008","journal-title":"Genetic Resources and Crop Evolution"},{"key":"2026050909025013200_PLU032C44","doi-asserted-by":"crossref","first-page":"279","DOI":"10.1007\/s11852-013-0232-9","article-title":"The meaning of mainland Portugal beaches and dunes' psammophilic plant\ncommunities: a contribution to tourism management and nature\nconservation","volume":"17","author":"Martins","year":"2013","journal-title":"Journal of Coastal Conservation"},{"key":"2026050909025013200_PLU032C45","first-page":"119","article-title":"Burial of plants as a selective force in sand dunes","volume-title":"Coastal dunes. 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