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JSPS KAKENHI, Grant/Award Numbers:19H02987, 24K01792, L-14560; Gobiernode Aragon, Spain, Grant/Award Number:H09_20R

Analysis of institutional authors

Ferrio Díaz, Juan PedroAuthor

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August 13, 2024
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Cryptic Japanese maple species exhibit different drought tolerance, suggesting reproductive isolation

Publicated to:Ecological Research. 40 (1): 44-55 - 2025-01-01 40(1), DOI: 10.1111/1440-1703.12512

Authors: Mori, S; Kurosawa, Y; Maruyama, Y; Kikuchi, S; Ferrio, JP; Ishida, A; Yamaji, K

Affiliations

Agrifood Res & Technol Ctr Aragon CITA, Dept Agr & Forest Syst & Environm, Zaragoza, Spain - Author
Aragon Agcy Res & Dev ARAID, Zaragoza, Spain - Author
Forestry & Forest Prod Res Inst, Hokkaido Res Ctr, Sapporo, Hokkaido, Japan - Author
Kyoto Univ, Ctr Ecol Res, Otsu, Shiga, Japan - Author
Nihon Univ, Coll Bioresource Sci, Fujisawa, Kanagawa, Japan - Author
Sistemas Agrícolas, Forestales y Medio Ambiente. Centro de Investigación y Tecnología Agroalimentaria de Aragón - Author
Univ Tsukuba, Grad Sch Life & Environm Sci, Tsukuba, Ibaraki, Japan - Author
Yamagata Univ, Fac Agr, Tsuruoka, Yamagata 9978555, Japan - Author
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Abstract

Acer mono is thought to comprise seven varieties, but its classification and nomenclature are controversial. A recent molecular phylogenetic study suggested that A. mono varieties glabrum (G) and mayrii (M) do not interbreed, despite occurring syntopically (same location) and having a common genetic origin. However, if these are separate, reproductively isolated species, the basis for that isolation remains unclear. Here, we tested whether G and M can be considered separate species that differ in multiple ecological characteristics. We compared G and M in terms of distribution, habitats, drought tolerance of leaves, and flowering phenology of trees, and we verified their reproductive isolation (RI) in Japan. G showed higher drought and salt tolerance than M, which is consistent with the distribution of G in salt-stressed coastal areas with relatively low precipitation. In contrast, M occurs in snowy, mesic, and mountain habitats. Even in neighboring M and G trees, the onset of flowering in M is earlier than that of G. Similarly, flower drop in M is completed sooner than in G. Although the presence of post-zygotic reproductive barriers was not tested, the high calculated RI index probably contributes to RI. Two varieties of A. mono with a common genetic origin but different drought tolerance should be considered separate species. They likely shifted their climatic niches, involving local adaptation to different climatic conditions. This is roughly supported by an ENM-based niche analysis and significant differences in flowering time. These findings help to understand the physiological diversification of A. mono.

Keywords

AcerAcer mono var. glabrum and var. mayriiAcer-monoAislamiento reproductivoClimateDrought and salt stress toleranceEcological niche modeling (enm)Estrés de sequiaEstrés osmóticoFenologíaLeafMolecular phylogeographyNatural-selectionPhenology of flowering and leafingPressurReproductive isolatioReproductive isolationResponsesSeedlingsTreeWater relations

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Ecological Research 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, 2025, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Ecology, Evolution, Behavior and Systematics. Notably, the journal is positioned en el Cuartil Q3 for the agency WoS (JCR) in the category Ecology.

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 2025-07-19:

  • WoS: 1
  • Scopus: 1

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 2025-07-19:

  • 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: 9.
  • 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: 14 (PlumX).

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: 1.5.
  • The number of mentions on the social network X (formerly Twitter): 2 (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: http://hdl.handle.net/10532/7205

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Japan.