• Login
    View Item 
    •   Academica-e
    • Departamentos y Centros - Sailak eta Ikastegiak
    • Dpto. Agronomía, Biotecnología y Alimentación - Agronomia, Bioteknologia eta Elikadura Saila [desde mayo 2018 / 2018ko maiatzetik]
    • Artículos de revista DABA - ABES Aldizkari artikuluak
    • View Item
    •   Academica-e
    • Departamentos y Centros - Sailak eta Ikastegiak
    • Dpto. Agronomía, Biotecnología y Alimentación - Agronomia, Bioteknologia eta Elikadura Saila [desde mayo 2018 / 2018ko maiatzetik]
    • Artículos de revista DABA - ABES Aldizkari artikuluak
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Soil bacterial functional diversity mirrors the loss of plant diversity by the expansion of a native tall-grass in high mountain grasslands

    Thumbnail
    View/Open
    2020020039_Canals_SoilBacterial.pdf (1.044Mb)
    Date
    2019
    Author
    Canals Tresserras, Rosa María Upna
    Múgica Azpilicueta, Leire Upna
    Durán Lázaro, María Upna
    San Emeterio Garciandía, Leticia Upna
    Version
    Acceso abierto / Sarbide irekia
    xmlui.dri2xhtml.METS-1.0.item-type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/1PE/CGL2011-29746 
    Impact
     
     
     
    10.1007/s11104-019-04281-w
     
     
     
    Show full item record
    Abstract
    Background and Aims: In highland ecosystems, global change processes are intense and foster vegetation shifts that may have an impact on soil functioning. Soil bacterial communities may be particularly sensitive to these changing scenarios. The aim of this research is to determine whether the loss of floristic diversity caused by the unusual dominance of a native component -the perennial grass Br ... [++]
    Background and Aims: In highland ecosystems, global change processes are intense and foster vegetation shifts that may have an impact on soil functioning. Soil bacterial communities may be particularly sensitive to these changing scenarios. The aim of this research is to determine whether the loss of floristic diversity caused by the unusual dominance of a native component -the perennial grass Brachypodium rupestre (L.) Beauv., which is expanding aggressively in natural grasslands of the Western Pyrenees-, parallels a decrease of the soil bacterial functional diversity and their potential for nutrient transformations. Methods: We conducted the study in eight grasslands exposed to different degrees of B. rupestre spreading. Soil community physiological profiles of the heterotrophic bacteria, enzymatic activities related to C, P and N cycles, C and N microbial biomasses, N components and soil physical and chemical properties were determined. Results: Soils below low-diversity grasslands had lower bacterial functional richness and diversity but greater urease activity, pH and nitrate than soils in diverse grasslands. Ammonium pools, C and N microbial biomasses and enzymatic activities related to C and P did not differ between grasslands. Conclusions: The expansion of B. rupestre and the decrease of plant diversity coincided with a significant decline of bacterial functional diversity and an alteration of the N cycle. Not only plant composition but the prevailing disturbance regime may account for the results. Results also suggest that B. rupestre may rely on its capability to use N efficiently rather than on a soil bacteria-mediated N availability. [--]
    Subject
    Grassland diversity, Native plant spread, Brachypodium rupestre, Disturbance regime, Enzymatic activities, N cycle
     
    Publisher
    Springer
    Published in
    Plant and Soil, 2019, 445, 243-257
    Departament
    Universidad Pública de Navarra. Departamento de Agronomía, Biotecnología y Alimentación / Nafarroako Unibertsitate Publikoa. Agronomia, Bioteknologia eta Elikadura Saila / Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. ISFOOD - Institute on Innovation & Sustainable Development in Food Chain
     
    Publisher version
    https://doi.org/10.1007/s11104-019-04281-w
    URI
    https://hdl.handle.net/2454/37089
    Sponsorship
    The Spanish Ministry of Science and Innovation (CGL2011-29746) financed this research. M. Durán and L. Múgica got funding through an UPNA’s Research Staff Training Grant and L. San Emeterio by an UPNA’s Talent Recruitment Contract.
    Appears in Collections
    • Artículos de revista DABA - ABES Aldizkari artikuluak [29]
    • Artículos de revista ISFOOD - ISFOOD aldizkari artikuluak [58]
    • Artículos de revista - Aldizkari artikuluak [2947]
    Items in Academica-e are protected by copyright with all rights reserved, unless otherwise noted.

     © Universidad Pública de Navarra - Nafarroako Unibertsitate Publikoa
         Repositorio basado en DSpace

    Contact Us | Send Feedback
     

     

    Browse

    All of Academica-eCommunities & CollectionsAuthorsAuthors By Issue DateTitlesSubjectsBy DegreeThis CollectionAuthorsAuthors By Issue DateTitlesSubjectsBy Degree

    My Account

    LoginRegister

    Statistics

    View Usage Statistics

     © Universidad Pública de Navarra - Nafarroako Unibertsitate Publikoa
         Repositorio basado en DSpace

    Contact Us | Send Feedback