Publication: Indicadores edáficos, vegetales y microbianos (ciliados colpódidos) de procesos de desertificación
Authors
Costa, Margarita ; Gutiérrez, Juan Carlos ; Hernando-Costa, Juan ; Hernando, Isabel ; Martín, Ana ; Moreno, Margarita
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Facultad de Biología
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Publisher
Murcia: Universidad de Murcia, Servicio de Publicaciones
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DOI
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info:eu-repo/semantics/other
Description
Abstract
La degradación del suelo puede desembocar en procesos de deserti
ficación, y ello hace necesario el desarrollo de técnicas de detección
precoz de estos problemas. Sobre esta base se han estudiado las
características y grado de evolución del suelo en 13 parcelas de la
Comunidad de Madrid, en relación con las comunidades vegetales
que soportan, el grado de evolución serial de las mismas y las espe
cies colpódidas presentes. Cabría esperar que los peores suelos por
taran la vegetación más degradada a la vez que una mayor riqueza de
ciliados colpódidos, así como que alguna especie vegetal y/o ciliada
fueran buenas indicadoras de distintos niveles de deterioro edáfico.
Los resultados obtenidos son concluyentes con respecto al aspecto
de cada suelo así como de la flora y vegetación que soporta, pero no
lo son en cuanto a la presencia específica o diferencial de colpódidos
en los más degradados.
Soil degradation may come into desertification processes which makes necesary the development of advanced detection technics to these problems. On this basis, characteristics and evolution degree of soil in 13 parcels in the Community of Madrid have been studied in connec tion to the serial evolution degree of vegetal communities and the pre sent colpodid species. We were expecting that the worst soils have the most degradated vegetation and would also contain the greatest rich ness in colpodid ciliates as soon as any other vegetal or ciliated spe cie could be good bioindicator of different risk situations. Our final fin dings are unequivocal with regard to the aspect of each soil as well as the flora and vegetation which it hold, but they are not convincing in regard to the specific or differential presence of colpodids in the most degradated soils.
Soil degradation may come into desertification processes which makes necesary the development of advanced detection technics to these problems. On this basis, characteristics and evolution degree of soil in 13 parcels in the Community of Madrid have been studied in connec tion to the serial evolution degree of vegetal communities and the pre sent colpodid species. We were expecting that the worst soils have the most degradated vegetation and would also contain the greatest rich ness in colpodid ciliates as soon as any other vegetal or ciliated spe cie could be good bioindicator of different risk situations. Our final fin dings are unequivocal with regard to the aspect of each soil as well as the flora and vegetation which it hold, but they are not convincing in regard to the specific or differential presence of colpodids in the most degradated soils.
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Citation
Anales de biología, vol. 24, 2002, 175-183
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