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      AGRUPACIÓN FUNCIONAL DE ESPECIES VEGETALES PARA LA RESTAURACIÓN ECOLÓGICA DE ECOSISTEMAS DE MONTAÑA, BOGOTA, COLOMBIA Translated title: Functional grouping of plant species for the ecological restoration of mountain ecosystems, Bogotá, Colombia

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          Abstract

          Resumen Los ecosistemas de montaña están sometidos a diversos factores de perturbación que requieren el desarrollo de procesos de restauración ecológica, orientados a su recuperación estructural y funcional. En este estudio se analizaron los atributos funcionales de las especies vegetales de ocho especies vegetales incorporadas en áreas piloto de investigación en restauración ecológica presentes en Bogotá. Se registró el área foliar (AF), área foliar específica (AFE), contenido foliar de materia seca (CFMS), densidad de madera (dB), altura máxima (Hmax) y hábito de crecimiento de Ageratina aristei, Abatia parviflora, Baccharis latifolia, Myrcianthes leucoxyla, Solanum oblongifolium, Vallea stipularis, Viburnum triphyllum y Xylosma spiculifera. Se encontraron tres grupos funcionales, los cuales presentan características de especies exclusivamente adquisitivas o adquisitiva-conservativa, lo que sugiere diferentes mecanismo y estrategias y mecanismos de adaptación a las condiciones de recuperación de las áreas perturbadas.

          Translated abstract

          Abstract Mountain ecosystems are subject to various factors of disturbance, therefore different ecological restoration processes should be developed for achieving their structural and functional recovery. In this study, we analyzed the functional attributes of eight plant species used in ecological restoration research areas in Bogotá. Leaf area (AF), leaf area of dry matter (CFMS), wood density (dB), maximum height (Hmax) and growth habit of Ageratina aristei, Abatia parviflora, Baccharis latifolia, Myrcianthes leucoxyla, Solanum oblongifolium, Vallea stipularis, Viburnum triphyllum and Xylosma spiculifera were quantified. Three plant functional groups were found with exclusive characteristics of acquisitive or acquisitive-conservative species, suggesting different mechanisms and strategies of adaptation for the recovery of disturbed areas.

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          Towards a worldwide wood economics spectrum.

          Wood performs several essential functions in plants, including mechanically supporting aboveground tissue, storing water and other resources, and transporting sap. Woody tissues are likely to face physiological, structural and defensive trade-offs. How a plant optimizes among these competing functions can have major ecological implications, which have been under-appreciated by ecologists compared to the focus they have given to leaf function. To draw together our current understanding of wood function, we identify and collate data on the major wood functional traits, including the largest wood density database to date (8412 taxa), mechanical strength measures and anatomical features, as well as clade-specific features such as secondary chemistry. We then show how wood traits are related to one another, highlighting functional trade-offs, and to ecological and demographic plant features (growth form, growth rate, latitude, ecological setting). We suggest that, similar to the manifold that tree species leaf traits cluster around the 'leaf economics spectrum', a similar 'wood economics spectrum' may be defined. We then discuss the biogeography, evolution and biogeochemistry of the spectrum, and conclude by pointing out the major gaps in our current knowledge of wood functional traits.
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            Enhancement of biodiversity and ecosystem services by ecological restoration: a meta-analysis.

            Ecological restoration is widely used to reverse the environmental degradation caused by human activities. However, the effectiveness of restoration actions in increasing provision of both biodiversity and ecosystem services has not been evaluated systematically. A meta-analysis of 89 restoration assessments in a wide range of ecosystem types across the globe indicates that ecological restoration increased provision of biodiversity and ecosystem services by 44 and 25%, respectively. However, values of both remained lower in restored versus intact reference ecosystems. Increases in biodiversity and ecosystem service measures after restoration were positively correlated. Results indicate that restoration actions focused on enhancing biodiversity should support increased provision of ecosystem services, particularly in tropical terrestrial biomes.
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              Influence of phylogeny on fungal community assembly and ecosystem functioning.

              Ecology seeks to explain species coexistence and its functional consequences, but experimental tests of mechanisms that simultaneously account for both processes are difficult. We used an experimental mycorrhizal plant system to test whether functional similarity among closely related species (phylogenetic conservatism) can drive community assembly and ecosystem functioning. Communities were constructed with the same number of fungal species, but after 1 year of growth, realized species richness was highest where the starting species were more distantly related to each other. Communities with high realized species richness also stimulated plant productivity more than those with low realized species richness. Our findings suggest that phylogenetic trait conservatism can promote coexistence because of reduced competition between distinct evolutionary lineages and enhance ecosystem function because of functional complementarity among those same lineages.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                cofo
                Colombia Forestal
                Colomb. for.
                Proyecto Curricular de Ingeniería Forestal, Facultad del Medio Ambiente y Recursos Naturales, Universidad Distrital Francisco José de Caldas. (Bogotá, Distrito Capital, Colombia )
                0120-0739
                June 2018
                : 21
                : 1
                : 5-17
                Affiliations
                [1] Bogotá orgnameJardín Botánico de Bogotá José Celestino Mutis Colombia mvasquez@ 123456jbb.gov.co
                [2] Bogotá orgnameJardín Botánico de Bogotá José Celestino Mutis Colombia jsolorza@ 123456jbb.gov.co
                Article
                S0120-07392018000100005
                10.14483/2256201x.11730
                f48c6f73-a2a2-4b91-873a-a17c4fdd894d

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 28 August 2017
                : 03 April 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 49, Pages: 13
                Product

                SciELO Colombia


                contenido foliar,densidad de madera.,wood density.,altura máxima,área foliar específica,leaf content,functional attribute,atributo funcional,specific foliar area,maximum height

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