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Occurrence of Automate branchialis Holthuis & Gottlieb, 1958 (Decapoda, Alpheidae) in the Balearic Islands (western Mediterranean Sea)

AutorBox Centeno, Antonio ; Guerao, Guillermo; Abelló, Pere ; Deudero Company, María de la Salud
Fecha de publicación2007
EditorBrill Academic Publishers
CitaciónCrustaceana 80 (4): 495-501 (2007)
ResumenThe faunistic composition of Mediterranean marine ecosystems is still far from being well known, despite the intensive effort to increase our knowledge on biodiversity all over the planet. Many marine ecosystems are as yet poorly understood, including even many sublittoral and shallow water areas. Decapod crustaceans constitute a relatively well studied faunistic group within the Mediterranean Sea (Zariquiey-Álvarez, 1968; d’Udekem d’Acoz, 1999). However, the Mediterranean is not a stable environment and it is a region with a strong faunistic influence both from the Atlantic Ocean in the west, through the Strait of Gibraltar, and also from the Indian Ocean and Red Sea in the east, since the opening of the Suez Canal in 1869. Within the framework of a research project aiming to evaluate the effects of the colonization of the rhizomes of the seagrass, Posidonia oceanica (L.) Delile by the macroalga Caulerpa, specimens of decapod crustaceans were collected. Individuals were sampled from the sediment among the rhizomes of P. oceanica during 2003-2005 in Mallorca (fig. 1). Infaunal communities were sampled with a square of 20 × 20 cm and a height of 5 cm, thus sampling a total volume of 2000 cm3, and sorted with 500 μmmesh. Four specimens of an alpheid shrimp, attributed to Automate branchialis Holthuis & Gottlieb, 1958 (Caridea, Alpheidae), were found at the rhizomes of Posidonia oceanica beds at Cala d’Or (Mallorca, Balearic Islands, western Mediterranean) (table I; fig. 1). No Automate branchialis were collected in the leaves stratum that was sampled with a hand-net of 20 × 40 cm along straight transects of 20 meters.
Descripción7 pages, 3 figures, 1 table
Versión del editorhttp://dx.doi.org/10.1163/156854007780441000
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