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Gomez-Sanz, ValentinAuthorAroca, Maria J.AuthorAlfredo Bravo-Fernandez, J.AuthorRoig, SoniaAuthor

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June 9, 2019
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Decline in holm oak coppices (Quercus ilex L. subsp ballota (Desf.) Samp.): biometric and physiological interpretations

Publicated to: Forest Systems. 26 (2): e06S- - 2017-01-01 26(2), DOI: 10.5424/fs/2017262-10583

Authors:

Serrada, Rafael; Gomez-Sanz, Valentin; Aroca, Maria J; Otero, Javier; Alfredo Bravo-Fernandez, J; Roig, Sonia
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Affiliations

Serv Extinc Incendios Ayuntamiento Guadalajara, C Dos de Mayo 1, Guadalajara 19004, Spain - Author
Soc Espanola Ciencias Forestales, Pza Pablo Iglesias 1, Guadalajara 19001, Spain - Author
Univ Politecn Madrid, ECOGESFOR, Dept Sistemas & Recursos Nat, Ciudad Univ S-N, E-28040 Madrid, Spain - Author
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Abstract

Aim of the study: To analyse the decline in aged holm oak coppice forests as regards above-ground and below-ground fractions and physiological features. Area of study: Centre of the Iberian Peninsula (Guadalajara province). Material and methods: 26 pairs of holm oak stools with different vigour but with similar site and structural characteristics within each pair were selected. Morphological (basal area, number of stools, maximum height) and physiological traits (leaf water potential, stomatal conductance) of the standing stools were assessed. Their aerial and underground parts were extracted and different size fractions of both their above and below-ground biomass were quantified. Linear mixed models were built to test the effect of 'Stool vigour' on the mean behaviour of the measured variables. Additionally, for the aerial part, linear regressions between the weights of the different size fractions and the basal area at breast height were performed using 'Stool vigour' as a fixed factor. Main results: For the same site, root depth, and number and diameter of shoots than good vigour stools, poor vigour stools displayed: lower predawn water potential, greater leaf mass per unit of area; lower total leaf area; lower above-ground biomass (in total as well as per fractions); lower fine roots biomass; lower proportion of leaf biomass and a greater proportion of biomass of both all roots and those with diameter 2-7 cm. Research highlights: The above-ground physiological and morphological characteristics of declined stools are interpreted as poorer adaptation to site conditions. Root system architecture was found to be relevant to explain this behaviour.
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Keywords

Above-ground biomassAllocationBelow-ground biomassBiomassClimate-changeDecayDroughtDynamicsFine rootsForestGlobal changeLeaf massMortalitySevere droughtStoolTree growth

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Forest Systems 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, 2017, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Forestry. Notably, the journal is positioned en el Cuartil Q3 for the agency WoS (JCR) in the category Forestry.

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 2026-04-26:

  • WoS: 8
  • Scopus: 8
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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 2026-04-26:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 16 (PlumX).

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.
  • Additionally, the work has been submitted to a journal classified as Diamond in relation to this type of editorial policy.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/79634/

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: 174
  • Downloads: 40
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: Last Author (ROIG GOMEZ, SONIA).

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Awards linked to the item

This work was performed within the framework of the project 'Dehesas y Tallares de Encina en la Espana mediterranea: propuestas de gestion para la sostenibilidad de dos sistemas forestales paradigmaticos' (De.Tall.E: RTA2009-00110-00-00), supported by the Spanish National Institute for Agricultural and Food Research and Technology (INIA).
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