Senecio gallicus

Senecio gallicus

Taxobox
name = "Senecio gallicus"


regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Asterales
familia = Asteraceae
tribus = Senecioneae
genus = "Senecio"
species = "S. gallicus"
binomial = "Senecio gallicus"
binomial_authority = Chaix
synonyms = "Senecio gallicus" Vill.cite web
url = http://www.aluka.org/action/showCompilationPage?doi=10.5555/AL.AP.COMPILATION.PLANT-NAME-SPECIES.SENECIO.GALLICUS
title = "Senecio gallicus" Chaix [family COMPOSITAE]
accessdate = 2008-04-22
author = Aluka
authorlink = Aluka
format = HTML
work = African Plants
doi = 10.5555/AL.AP.COMPILATION.PLANT-NAME-SPECIES.SENECIO.GALLICUS
publisher = Ithaka Harbors, Inc
] "Senecio alboranicus" Maire "Senecio difficilis" Dufour "Senecio exsquameus" Brot.cite web
url = http://ww2.bgbm.org/EuroPlusMed/PTaxonDetail.asp?NameId=7000688&PTRefFk=7000000
title = Details for: "Senecio gallicus"
accessdate = 2008-04-22
author = Botanic Garden and Botanical Museum Berlin-Dahlem
authorlink = Botanical Garden in Berlin
format = HTML
work = Euro+Med PlantBase
publisher = Freie Universität Berlin
]
range_

range_map_width = 200px
range_map_caption =

"Senecio gallicus", an annual plant of the "Senecio" genus and a member of the Asteraceae family is also one of those species who colonizes in isolated habitats where the environmental conditions could qualify as being difficult -- widespread across southern France and the Iberian Peninsula in deserts and xeric shrublands, on steppes and salty dry coastal plains. "S. gallicus" is playing a predominant role in shaping patterns of genetic structure by presenting models of historical associations among population rather than patterns of ongoing gene flow.cite journal
last =Thompson
first =John D
title =Population differentiation in Mediterranean plants: insights into colonization history and the evolution and conservation of endemic species
journal =Heredity (journal)
volume =82
issue =3
pages =229-236
date =March 1999
url =http://www.nature.com/hdy/journal/v82/n3/full/6885040a.html
accessdate = 2008-04-22
]

Common names

* _en. Southern Ragwort
* _es. Azuzón de Alborán
* _fr. Séneçon de France
* _it. Senecione gallico

Description

"S. gallicus" has had more phylogentic description because it is an exceptional species among halotypes with a known intraspecific phylogeographic structure which is also species specific.cite journal
last =Comes
first =Hans Peter
coauthors = Richard J. Abbott
title =MOLECULAR PHYLOGEOGRAPHY, RETICULATION, AND LINEAGE SORTING IN MEDITERRANEAN "SENECIO" SECT. "SENECIO" (ASTERACEAE)
journal =Evolution
volume = 55
issue = 10
pages =1943–1962
date =October 2001
url =http://www.bioone.org/perlserv/?request=get-abstract&doi=10.1554%2F0014-3820(2001)055 [1943%3AMPRALS] 2.0.CO%3B2
doi =10.1554%2F0014-3820(2001)055 [1943%3AMPRALS] 2.0.CO%3B2
accessdate = 2008-04-23
] Comparisons of allozyme and chloroplast variation in this species indicate that it persisted in Pleistocene coastal refugia during glaciation periods.

;The Endangered One: "Senecio alboranicus", or Azuzón de Alborán, is reported to be endemic to and critically endangered on Isla de Alborán by ICUN. Alborán is 7.1 hectarescite web
url = http://www.iucnredlist.org/search/details.php/61626/all
title = "Senecio alboranicus" – Critically Endangered
accessdate = 2008-02-29
last = Moreno Saiz
first = J.C.
authorlink = IUCN Red List
date = 2006
format = HTML
work = 2007 IUCN Red List of Threatened Species
] and convert|600|m|yd by convert|265|m|yd of volcanic extrusion situated convert|48|km|mi from the port of Adra, Almería on the Spanish coast and convert|39|km|mi from the Melilla on the African coastcite web
url = http://www.andalucia.com/environment/protect/alboran.htm
title = Alborán Natural Area
accessdate = 2008-02-29
format = HTML
work = Natural Parks - Almeria Province
publisher = Andalucia Com SL
] (previously Morocco). "S. alboranicus" is one of the 26 plants, 20 vascular plants and 6 lichen cited as having inhabited the island, although, not all at the same time.cite web
url = http://www.ayto-gijon.es/documentos/jba/Actividades/congreso/Union%20Pdf/La%20conserv%20de%20la%20flora%20en%20Albor%E1n_Juan%20F%20Mota.pdf
title = Diapositiva 1
accessdate = 2008-02-29
author = Juan F. Mota; M.Encarna Merlo; Ana J. Sola; M.Luisa Jiménez-Sánchez et Joaquín Valero
authorlink = Universidad de Almería
format = PDF
publisher = Gijón City Council
language = es icon
]

:Typical of the tenacious genus "Senecio", the small shrub Azuzón de Alborán colonizes areas that could be described as disturbed and unstabilized as it does live where there is an accumulation of volcanic ashes and shell laden sand, historically perturbed by natural events and human activities. Also typical, this species produces three generations of plants each year and is non-competitive; the middle generation of "S. alboranicus" shares its part of the island with "Lavatera mauritanica" and "Anacyclus alboranensis". Atypical of the genus, this species is a halophile, growing in soils with a known high concentration of salt.cite book
last = Juan F. Mota, Antonio Mendoza, Juan A. Garrido-Becerra, Fabián Martínez-Hernández, Ana J. Sola, Joaquín Valero, M. Luisa Jiménez-Sánchez
authorlink = Universidad de Almería
title = Capitulo VIII Tapiz viviente: La vegetación terrestre
url = http://www.juntadeandalucia.es/medioambiente/web/Bloques_Tematicos/Patrimonio_Natural._Uso_Y_Gestion/Espacios_Protegidos/Parajes_Naturales/Paraje_Natural_Isla_Alboran/VIII_la_vegetacion_terrestre.pdf
format = PDF
accessdate = 2008-02-29
language = es icon
isbn = 84-96329-92-5
]

:Azuzón de Alborán can be found growing at altitudes between convert|0|m|ft and convert|15|m|ft. The restricted size of the island and the rarity of the habitat make Azuzón de Alborán particularly vulnerable to changes. Climatic conditions (quantity and distribution of rain, soil salinity, etc.) and human activities (the lighthouse was once manned); there have been large fluctuations in the numbers of individuals each year. These fluctuations affect not only the number of individual plants but also their size and the number of flowers. The decline of this species could be caused by alterations generated by human presence (military occupancy, artificial environments, etc.) in addition to events like natural changes or biotic threats (competition, parasitism, diseases, etc.), alterations which probably not coincidentally describe many of the conditions that occurred from the mapping those years.

:Isla de Alborán is a protected area, a marine park and an important ecological area for the Mediterranean and is especially protected by the Barcelona Convention.cite web
url = http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:31997R0338:EN:HTML
title = Council Regulation (EC) No 338/97
accessdate = 2008-02-29
author = Barcelona Convention
authorlink = Barcelona Convention
date = 1997-03-03
format = HTML
work = Official Journal L 061
pages = P. 0001 - 0069
] Azuzón de Alborán is listed in Appendix Icite web
url = http://conventions.coe.int/Treaty/FR/Treaties/Html/104-1.htm
title = APPENDIX I / ANNEXE I
accessdate = 2008-02-29
author = Council of Europe
authorlink = Council of Europe
date = 2002-03-01
format = HTML
work = Convention on the Conservation of European Wildlife and Natural Habitats
] of Bern Convention. A permit is needed from the Ministry of Defence to visit Azuzón de Alborán on its island.

Distribution

Specimens of "Senecio gallicus" have been collected at altitudes of convert|15|m|ft|sigfig=1 and convert|1400|m|ft above sea level.;Native:Palearctic: ::Southwestern Europe: Alboran, Formentera, Ibiza, Italy, France, Monaco, Morocco, Portugal, Spain

;Naturalized and Native:Palearctic: ::Western Asia: Israel::Southwestern Europe: Alboran, Formentera, Ibiza, Italy, France, Monaco, Morocco, Portugal, Sicily, Spain::Middle Europe: Belgium::North Europe: Sweden

Others

;Synonyms::*"Senecio gallicus" Chaix var. "calyculatus" Emb. & Maire status incertain:*"Senecio gallicus" Chaix var. "laxiflorus" DC. status incertain:*"Senecio gallicus" Chaix var. "sonchifolius" Ball status incertain;Infraspecific names::*"Senecio gallicus" Chaix subsp. "gallicus":*"Senecio gallicus" Chaix var. "calyculatus" Emb. & Maire:*"Senecio gallicus" Chaix var. "laxiflorus" DC.:*"Senecio gallicus" Chaix var. "sonchifolius" Ballcite web
url = http://www.ville-ge.ch/cjb/bd/africa/details.php?langue=an&id=98633
title = "Senecio gallicus" Chaix. record n° 98633
accessdate = 2008-04-22
format = HTML
work = African plants database
publisher = South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica.
]

References

External links

* [http://maps.google.com/maps?f=q&hl=en&geocode=&q=Alboran+Island&sll=35.496456,-5.800781&sspn=20.765854,36.5625&ie=UTF8&ll=36.006895,-3.114624&spn=2.586188,4.570313&t=h&z=8 Google Map for Isla de Alborán]
*cite web
url = http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?104539
title = Taxon: "Senecio gallicus" Chaix
accessdate = 2008-0
author = Germplasm Resources Information Network (GRIN)
authorlink = Germplasm Resources Information Network
date = 1985-11-07
format = HTML
work = Taxonomy for Plants
publisher = USDA, ARS, National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland


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