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Redalyc.Primer Registro De Phialella Quadrata Y Ampliación Del Límite De Hidrobiológica ISSN: 0188-8897 [email protected] Universidad Autónoma Metropolitana Unidad Iztapalapa México Mendoza-Becerril, María de los Angeles; Ocaña-Luna, Alberto; Sánchez-Ramírez, Marina; Segura- Puertas, Lourdes Primer registro de Phialella quadrata y ampliación del límite de distribución de ocho especies de hidromedusas (Hydrozoa) en el Océano Atlántico Occidental Hidrobiológica, vol. 19, núm. 3, 2009, pp. 257-267 Universidad Autónoma Metropolitana Unidad Iztapalapa Distrito Federal, México Disponible en: http://www.redalyc.org/articulo.oa?id=57812781009 Cómo citar el artículo Número completo Sistema de Información Científica Más información del artículo Red de Revistas Científicas de América Latina, el Caribe, España y Portugal Página de la revista en redalyc.org Proyecto académico sin fines de lucro, desarrollado bajo la iniciativa de acceso abierto Hidrobiológica 2009, 19 (3): 257-267 Primer registro de Phialella quadrata y ampliación del límite de distribución de ocho especies de hidromedusas (Hydrozoa) en el Océano Atlántico Occidental First record of Phialella quadrata and range extension of eight species of hydromedusae (Hydrozoa) in the Western Atlantic Ocean María de los Angeles Mendoza-Becerril1, Alberto-Ocaña-Luna1, Marina Sánchez-Ramírez1 y Lourdes Segura-Puertas2 † 1 Instituto Politécnico Nacional. Escuela Nacional de Ciencias Biológicas, Lab. de Ecología. Dpto. de Zoología. Prolongación de Carpio y Plan de Ayala s.n. Col. Sto. Tomás. México, D. F. 11340. México 2 Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología. Unidad Académica Puerto Morelos. P. O. Box 1152, Cancún, Q. Roo, 77500, México e-mail: [email protected] Mendoza-Becerril, M. A., A. Ocaña-Luna, M. Sánchez-Ramírez y L. Segura-Puertas. 2009. Primer registro de Phialella quadrata y ampliación del límite de distribución de ocho especies de hidromedusas (Hydrozoa) en el Océano Atlántico Occidental. Hidrobiológica 19 (3): 257-267. RESUMEN Los nuevos registros que se presentan en este trabajo, amplían la distribución geográfica conocida de nueve especies de hidromedusas, que fueron recolectadas en la Laguna Madre, Tamaulipas, México. La identificación de Phialella quadrata constituye el primer registro para el Océano Atlántico Occidental, mientras que Ectopleura dumortieri lo es para el Golfo de México y Clytia folleata para la región norte del mismo. Se extiende el área geográfica de distribución de Bougainvillia superciliaris, Nemopsis bachei, Sarsia tubulosa y Clytia globosa a menor latitud, mientras que Eirene tenuis y Octophialucium medium a mayor latitud. Palabras clave: Nuevos registros, Leptothecata, Anthoathecata, Laguna Madre. ABSTRACT The new records provided here extend the geographic distribution know of nine hydromedusae species collected in the Laguna Madre, Tamaulipas, Mexico. The record of Phialella quadrata is the first one for the Western Atlantic Ocean, while Ectopleura dumortieri is registered for the first time in the Gulf of Mexico and Clytia folleata in the north of the same gulf. The geographic distribution of Bougainvillia superciliaris, Nemopsis bachei, Sarsia tubulosa and Clytia globosa is extended to a lower latitude, while Eirene tenuis and Octophialucium medium increase to a higher latitude. Key words: New records, Leptothecata, Anthoathecata, Laguna Madre. INTRODUCCIÓN sos organismos zooplanctónicos (Purcell, 1985; Purcell & Arai, 2001). La abundancia y distribución de esta fauna depende de los Las hidromedusas son depredadores que actúan en los primeros patrones de comportamiento de las propias especies (Arai, 1992) niveles de la cadena trófica del ecosistema marino, por lo que y de la interacción con factores biológicos, químicos y físicos afectan la abundancia de estadios larvarios y adultos de diver- (Graham et al., 2001). 258 Mendoza-Becerril, M. A., et al. La distribución de las hidromedusas se altera por el trans- Tabla 1. Posición geográfica de las estaciones de muestreo en la porte pasivo a través de masas de agua (van der Spoel, 1991) Laguna Madre, Tamaulipas (1997-1998). y por mecanismos asociados a las actividades humanas (p. ej. tráfico marítimo), estos últimos dan lugar a la introducción de Estaciones Latitud N Longitud O especies no nativas, las cuales pueden modificar la estructura 1 24º 16’ 41.8’’ 97º 43’.11.7’’ de las comunidades autóctonas y causar un impacto económico 2 24º 14’ 14.1’’ 97º 44’.14.4’’ negativo (Ruíz et al., 1997). 3 24º 14’ 05.7’’ 97º 45’.18.6’’ Los estudios sobre hidromedusas realizados en la zona 4 24º 15’ 41.2’’ 97º 44’.17.7’’ nerítica y oceánica del Golfo de México han sido realizados 5 24º 16’ 39.3’’ 97º 43’.51.3’’ por: Sears (1954), Simmons (1957), Moore (1962), Hopkins (1966), 6 24º 18’ 20.1’’ 97º 43’.41.7’’ Burke (1975), Segura-Puertas (1992), Suárez-Morales et al. (2002) 7 24º 20’ 20.7’’ 97º 43’.25.2’’ y Loman-Ramos et al. (2007). 8 24º 24’ 06.3’’ 97º 42’.38.7’’ En las últimas décadas se han incrementado los trabajos 9 24º 25’ 27.0’’ 97º 43’.36.8’’ que dan a conocer nuevos registros geográficos de hidrome- 10 24º 27’ 14.1’’ 97º 44’.49.0’’ dusas en aguas mexicanas del Golfo de México; entre ellos se encuentran los de: Canudas-González (1979); Segura-Puertas 11 24º 26’ 04.8’’ 97º 47’.37.6’’ (1992); Correia-Valenca & Segura-Puertas (1996) y Loman-Ramos 12 24º 25’ 03.6’’ 97º 47’.40.2’’ et al. (2007) entre otros. 13 24º 26’ 16.5’’ 97º 50’.34.6’’ 14 24º 27’ 11.7’’ 97º 50’.55.8’’ 15 24º 31’ 36.0’’ 97º 48’.35.4’’ N 16 24º 31’ 08.8’’ 97º 50’.13.3’’ W E 17 24º 32’ 22.5’’ 97º 49’.53.1’’ S ESTERO 18 24º 32’ 48.9’’ 97º 48’.42.6’’ EL GATO 19 24º 32’ 23.1’’ 97º 46’.28.6’’ ESTERO EL PERRO 20 24º 29’ 50.7’’ 97º 46’.41.4’’ • • • 17 18 19 LAGUNA • 16 PUNTA LOS MADRE LEGALES • 24˚ 30’ En este trabajo se da a conocer por primera vez la presen- 20 • 15 cia de Phialella quadrata (Forbes, 1848) y la ampliación del límite BOCA DE • 14 BAHÍA DE CATÁN CATÁN de distribución geográfico de ocho especies de hidromedusas en • 10 11 el Océano Atlántico Occidental, identificadas por primera vez en PUNTA • 13 • ALGODONES la Laguna Madre, Tamaulipas, México, por tal motivo se analiza 12 9 • la distribución mundial y los intervalos de salinidad y temperatura • 8 • en los cuales se localizaron a las especies. GOLFO DE BAYUCO MATERIALES Y MÉTODOS DE ORO MÉXICO 7 • Los ejemplares se obtuvieron de la recolecta de zooplancton en 6 • la Laguna Madre, Tamaulipas, México (23° 48’ y 25° 30’ N, 97° 23’ y 97° 52’ O). La laguna posee una superficie de 2,000 km2 y 28˚ BOCA 1 • una profundidad promedio de 0.7 m (Ayala Castañares & Segura, Golfo de EL CABALLO México 5 • 1968). Fue declarada como área natural protegida, con carácter • 4 de área de protección de flora y fauna por la Secretaría de Medio 2 • Ambiente y Recursos Naturales (SEMARNAT, 2005). Esta laguna 16˚ ENRAMADA 96˚ • 3 5 km junto con la Laguna Madre de Texas, E. U. A. forman el sistema hipersalino más extenso del mundo (Tunell, 2002). 97˚ 56’ 24˚ 08’ Al sur de la Laguna Madre se establecieron 20 estaciones Figura 1. Área de estudio y ubicación de estaciones de muestreo en de muestreo, durante octubre 1997, enero, mayo y julio, 1998, las la Laguna Madre, Tamaulipas, México (1997-1998). cuales fueron referenciadas geográficamente (Fig. 1 y tabla 1). Hidrobiológica Nuevos registros de hidromedusas, México 259 Figura 2a-d. Hidromedusas de: a) Bougainvillia superciliaris, b) Nemopsis bachei, c) Sarsia tubulosa, d) Clytia folleata. La toma de muestras se realizó mediante arrastres superficiales, 1849), Nemopsis bachei L. Agassiz, 1849, Sarsia tubulosa (M. con una red de zooplancton de apertura de malla de 500 µm y Sars, 1835), Clytia folleata (McCrady, 1859), Clytia globosa (Mayer, boca de 50 cm de diámetro, las muestras biológicas se fijaron en 1910), Octophialucium medium Kramp, 1955, Phialella quadrata y formalina al 4 % neutralizada con borato de sodio. Se midió in situ Ectopleura dumortieri (van Beneden, 1844). la salinidad y la temperatura superficiales. Los ejemplares fueron A continuación se proporcionan los datos del material separados de la muestra completa e identificados de acuerdo a recolectado en la laguna, así como la distribución mundial para las descripciones de: Mayer (1910), Russell (1953), Kramp (1959), cada especie. Kramp (1961) y Bouillon & Boero (2000). Para cada especie se señala: fecha (día/mes/año): estación (número de individuos). Orden Anthoathecata: Los parámetros ambientales están referidos a los sitios de reco- lecta de cada especie. Los ejemplares están depositados en la Familia Bougainvillidae Lûtken, 1850 Colección de Invertebrados Planctónicos, de la Escuela Nacional Bougainvillia superciliaris (L. Agassiz, 1849). (Fig. 2a) de Ciencias Biológicas del Instituto Politécnico Nacional. Material examinado: 23/10/1997: 7(1), 9(2); 24/10/1997: 11(5), 12(4), 13(34), 14(26), 15(21), 16(1), 20(37). 22/01/1998: 2(1), 5(5), 9(11); RESULTADOS 24/01/1998: 10(114), 11(543), 12(323), 14(35), 15(43), 16(9), 17(6), Las nueve especies registradas en el presente estudio per- 18(5), 19(1), 2(48). 03/05/1998: 10(6), 11(22), 12(37), 13(7), 14(1), 15(4), tenecen al Phylum Cnidaria, Subphylum Medusozoa, Clase 16(17), 18(3), 19(1), 20(13). Hydrozoa, Subclase Hydroidolina y se agrupan en los Ordenes: Parámetros ambientales: 21-45 ups y 18-28ºC. Leptothecata y Anthoathecata de acuerdo a la clasificación propuesta por Marques & Collins (2004). Se analizaron 60,709 Registros previos: Alaska; Point Borrow: MacGinitie (1955; en medusas, de las cuales el 97.5 % correspondieron a Eirene tenuis Kramp, 1961). Rusia; Mar Kara: Yashnow (1952), Mar Blanco: (Browne, 1905) y el 2.5 % a Bougainvillia superciliaris (L.
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