Nematodos asociados a ambientes costeros del sur de la península ibérica
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2018-11-27
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Jaén: Universidad de Jaén
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[ES]Las zonas costeras son uno de los ecosistemas con más diversidad biológica. En el presente trabajo se estudia la taxonomía orientada al análisis y distribución de nematodos en zonas costeras del sur de la península ibérica. Las muestras han sido obtenidas en cuatro localizaciones diferentes, Tarifa (Cádiz), Torrox (Málaga), Almuñécar (Granada) y Calblanque (Murcia) abarcando un total de siete playas distintas. El análisis taxonómico revela la existencia de un total de 33 especies distintas pertenecientes a cuatro órdenes y once familias de nematodos, Dorylaimida, Monhysterida, Plectida y Rhabditida, siendo éste último el más abundante en todas las zonas muestreadas. Adicionalmente, para complementar el estudio, se ha realizado un análisis de la calidad del suelo a través del índice de madurez, cuyos resultados varían entre 1,60 y 2,36, lo que indica que se trata de suelos basales en todas las playas. Cabe resaltar la presencia de las especies Stegelleta incisa y Cervidellus alutus en algunas de las muestras examinadas, halladas por primera vez en la Península Ibérica. Por otro lado, Nothacrobe/es Janceolatus, una especie endémica del sur peninsular, amplía su área de distribución.
[EN]In the present work a taxonomic study is realized oriented to the analysis and distribution of nematodes in coastal areas of the south of the lberian Peninsula. The samples have been obtained in four different locations, Tarifa (Cádiz), Torrox (Málaga}, Almuñécar (Granada) and Calblanque (Murcia) covering a total of seven different beaches. The taxonomic analysis reveals the existence of a total of 33 different species belonging to tour orders and eleven families of nematodes, Dorylaimida, Monhysterida, Plectida and Rhabditida, the latter one being is the most abundant in all the sampled areas. Additionally, and complementary to the study, an analysis of the quality of the soil has been carried out through the maturity index, whose results vary between 1.60 and 2.36, which indicates basal soils in all the beaches. The presence of the species Stegelleta incisa and Cervidellus alutus is noteworthy in sorne of the samples examined whose are found for the first time in the iberian peninsula. On the other hand, Nothacrobeles lanceolatus, an endemic species from the south of the peninsula, widens its distribution area.
[EN]In the present work a taxonomic study is realized oriented to the analysis and distribution of nematodes in coastal areas of the south of the lberian Peninsula. The samples have been obtained in four different locations, Tarifa (Cádiz), Torrox (Málaga}, Almuñécar (Granada) and Calblanque (Murcia) covering a total of seven different beaches. The taxonomic analysis reveals the existence of a total of 33 different species belonging to tour orders and eleven families of nematodes, Dorylaimida, Monhysterida, Plectida and Rhabditida, the latter one being is the most abundant in all the sampled areas. Additionally, and complementary to the study, an analysis of the quality of the soil has been carried out through the maturity index, whose results vary between 1.60 and 2.36, which indicates basal soils in all the beaches. The presence of the species Stegelleta incisa and Cervidellus alutus is noteworthy in sorne of the samples examined whose are found for the first time in the iberian peninsula. On the other hand, Nothacrobeles lanceolatus, an endemic species from the south of the peninsula, widens its distribution area.