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June 12, 2023
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Rediscovering Carduncellus matritensis: Assessing the conservation status of an Iberian endemic

Publicated to: ORYX. 57 (3): 401-404 - 2023-05-01 57(3), DOI: 10.1017/s0030605322001296

Authors:

Luengo, Enrique; Martinez-Labarga, Juan Manuel; de Pablo, Ruben; Susanna, Alfonso; Vilatersana, Roser
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Affiliations

Asociac ARBA Albergue Juvenil Richard Schirrmann, Madrid, Spain - Author
Asociación ARBA-Albergue Juvenil 'Richard Schirrmann' - Author
CSIC Ajuntament Barcelona, Bot Inst Barcelona, Spanish Council Sci Res IBB, Barcelona, Spain - Author
CSIC-ICUB - Instituto Botanico de Barcelona (IBB) - Author
Inst Educ Secundaria Carrascal, Madrid, Spain - Author
INSTITUTO DE EDUCACIÓN SECUNDARIA MIRASIERRA - Author
Univ Politecn Madrid, Dept Sistemas & Recursos Nat, ETS Ingn Montes Forestal & Medio Nat, Madrid, Spain - Author
Universidad Politécnica de Madrid - Author
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Abstract

The plant Carduncellus matritensis (Cardueae, Compositae) was formerly known from only a single locality: Cerro Negro in Madrid Province, Spain. It is one of the six endemic species of the Spanish flora considered to be extinct. The causes of its presumed extinction were anthropogenic: the growth of the city of Madrid subsumed the locality into the city, such that Cerro Negro is now a railway station. During 2021-2022 we discovered three new populations c. 50 km south of the type locality, with 130-166 mature individuals. Habitat fragmentation and degradation are the most significant threats facing the three populations. We categorize the conservation status of the species as Critically Endangered according to the IUCN Red List criteria. To avoid the loss of this species, we recommend both in situ (creation of micro-reserves) and ex situ (seed storage) conservation measures.
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Keywords

carduncellus matritensiscritically endangeredendemicextinct speciesmadridmagnesium-rich claysspainCardueaeCarduncellus matritensisComplex asteraceaeCritically endangeredEndemicExtinct speciesMadridMagnesium-rich claysSpain

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal ORYX due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Nature and Landscape Conservation.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-27:

  • WoS: 1
  • Scopus: 1
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-27:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 5.

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 8.
  • The number of mentions on the social network Facebook: 1 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/86448/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 197
  • Downloads: 45
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