Influence of local habitat features on disease avoidance by Caribbean spiny lobsters in a casita-enhanced bay
Por:
Briones-Fourzán P., Candia-Zulbarán R.I., Negrete-Soto F., Barradas-Ortiz C., Huchin-Mian J.P., Lozano-Álvarez E.
Publicada:
27 ago 2012
Resumen:
In Bahia de la Ascension, Mexico, 'casitas' (large artificial shelters) are extensively used to harvest Caribbean spiny lobsters Panulirus argus. After the discovery of a pathogenic virus, Panulirus argus virus 1 (PaV1), in these lobsters, laboratory experiments revealed that PaV1 could be transmitted by contact and through water, and that lobsters avoided shelters harboring diseased conspecifics. To examine these issues in the context of casitas, which typically harbor multiple lobsters of all sizes, we examined the distribution and aggregation patterns of lobsters in the absence/presence of diseased conspecifics (i.e. visibly infected with PaV1) in 531 casitas distributed over 3 bay zones, 1 poorly vegetated ('Vigia Chico', average depth: 1.5 m) and 2 more extensively vegetated ('Punta Allen': 2.5 m; 'Los Cayos': 2.4 m). All zones had relatively high indices of predation risk. Using several statistical approaches, we found that distribution parameters of lobsters were generally not a
Filiaciones:
Briones-Fourzán P.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar Limnol, Unidad Acad Sistemas Arrecifales, Puerto Morelos 77580, Quintana Roo, Mexico
Candia-Zulbarán R.I.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar Limnol, Unidad Acad Sistemas Arrecifales, Puerto Morelos 77580, Quintana Roo, Mexico
Negrete-Soto F.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar Limnol, Unidad Acad Sistemas Arrecifales, Puerto Morelos 77580, Quintana Roo, Mexico
Barradas-Ortiz C.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar Limnol, Unidad Acad Sistemas Arrecifales, Puerto Morelos 77580, Quintana Roo, Mexico
Huchin-Mian J.P.:
Laboratorio de Inmunología y Biología Molecular, Centro de Investigacion y de Estudios Avanzados Del Instituto Politecnico Nacional-Unidad Merida, Km 6 Antigua Carretera a Progreso, CORDEMEX, Mérida, Yucatán 97310, Mexico
Lozano-Álvarez E.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar Limnol, Unidad Acad Sistemas Arrecifales, Puerto Morelos 77580, Quintana Roo, Mexico
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