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Article . 2012
License: CC BY NC ND
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Article . 2012
License: CC BY NC SA
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Estructura y diversidad de dos fragmentos del bosque de Espinal en Córdoba, un ecosistema amenazado

Authors: Noy Meir, Imanuel; Mascó, Mercedes; Giorgis, Melisa Adriana; Gurvich, Diego Ezequiel; Perazzolo, Diana Alicia; Ruiz, Gustavo Miguel;

Estructura y diversidad de dos fragmentos del bosque de Espinal en Córdoba, un ecosistema amenazado

Abstract

Structure and diversity of two woodland fragments of Espinal in Córdoba, a threatened ecosystem. At the beginning of XX century, Córdoba had extensive woodland areas. At present, due to massive deforestation and agriculture expansions, it has one of the highest rates of global deforestation, leaving only small fragments of Espinal woodland. This problem led to the investigation of structure, floristic composition and diversity of two woodland fragments of Espinal present at the Catholic University of Córdoba. We measured woodland structure over the entire surface of the fragments in squares of 20 × 20 m. In each fragment we performed complete floristic surveys in 10 randomly selected squares. Of all the trees, there were 45% of Prosopis spp., 17% of Celtis ehrenbergiana, 15% of Acacia spp., 14% of Geoffraea decorticans, 7% of others natives and 2% of alien species. The average richness per square was 74.9 species, being higher in the periphery than in the centre of the fragment, and different between both fragments. There were differences in the floristic composition among the periphery and the centre fragments and among the two fragments. Our results provided valuable information for the management and restoration of one of the most threatened ecosystem in Argentina.

A principios del siglo XX, Córdoba contaba con extensas superficies boscosas. Hoy, debido al desmonte masivo y a la expansión agrícola, ostenta una de las mayores tasas de deforestación mundial, quedando sólo pequeños fragmentos de bosque del Espinal. Esta problemática motivó la investigación de la estructura, composición florística y diversidad de dos fragmentos de bosque de Espinal existentes en la Universidad Católica de Córdoba. Se midió la estructura arbórea a lo largo de toda la superficie de los fragmentos en cuadrados de 20 × 20 m. En cada fragmento se realizaron relevamientos florísticos completos en 10 de los cuadrados seleccionados al azar. Del total de árboles, se registró 45% de Prosopis spp., 17% de Celtis ehrenbergiana, 15% de Acacia spp., 14% de Geoffraea decorticans, 7% de otras nativas y 2% de exóticas. La riqueza promedio por cuadrado fue de 74,9 especies, siendo mayor en la periferia que en el centro del fragmento, y diferente entre los dos fragmentos. Se encontraron diferencias en la composición florística entre el sector periférico y central de los fragmentos y entre los dos fragmentos. Estos resultados proveen información útil para el manejo y restauración uno de los ecosistemas más amenazados de Argentina.

Fil: Giorgis, Melisa Adriana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina

Fil: Gurvich, Diego Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina

Fil: Perazzolo, Diana Alicia. Universidad Católica de Córdoba. Facultad de Ciencias Agropecuarias; Argentina

Fil: Ruiz, Gustavo Miguel. Universidad Católica de Córdoba. Facultad de Ciencias Agropecuarias; Argentina

Fil: Mascó, Mercedes. Universidad Católica de Córdoba. Facultad de Ciencias Agropecuarias; Argentina

Fil: Noy Meir, Imanuel. The Hebrew University of Jerusalem; Israel

Country
Argentina
Keywords

Richness, Science, Alien species, Conservation, Floristic composition, Cobertura arbórea, https://purl.org/becyt/ford/1.6, https://purl.org/becyt/ford/1, Tree cover, Botanical garden, Bosque remanente, Riqueza, Q, Jardín botánico, Botany, Composición florística, conservación, riqueza de especies, Especies exóticas, QK1-989, Conservación, Remaining woodland, bosque remanente, SB Cultura de la planta

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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