Assessment of hydrological alterations on wandering beetle assemblages (coleoptera: Carabidae and Tenebrionidae) in coastal wetlands of arid Mediterranean systems |
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Authors: | M Teresa Pardo MA Esteve A Gimnez J Martínez-Fernndez MF Carreo J Serrano J Miano |
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Institution: | aDepartamento de Ecología e Hidrología, Universidad de Murcia, Campus de Espinardo, E-30100-Murcia, Spain;bDepartamento de Biología Aplicada, Universidad Miguel Hernández, Edif. La Galia, E-03202 Elche, Alicante, Spain;cDepartamento de Zoología y Antropología Física, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain |
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Abstract: | Changes in wandering beetle assemblages (Carabidae and Tenebrionidae) of different habitats situated in coastal wetlands of a Mediterranean arid area (Mar Menor, SE Spain) were analysed in 1984, 1992 and 2003 by pitfall trapping. Over two decades, the increase in irrigated lands at watershed scale led to rising water tables in the Mar Menor wetlands, which affected their beetle communities. These hydrological changes caused an increase in the carabid population, particularly in the sites most affected by flooding, where halobionts and halophiles, which were practically absent in 1984 and 1992, had become dominant by 2003. In contrast, tenebrionid assemblages simplified with time and by 2003 were dominated by one or two generalist species. |
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Keywords: | Beetle assemblages Carabidae and Tenebrionidae assemblages Hydrological changes Mediterranean wetlands Mar Menor Spain |
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