Cetacean habitat in the northern oceanic Gulf of Mexico

Davis, Randall W.; Ortega‐Ortiz, Joel G.; Ribic, Christine A.; Evans, William E.; Biggs, Douglas C.; Ressler, Patrick H.; Cady, Robert B; Leben, R. R.; Mullin, Keith D.; Würsig, Bernd

doi:10.1016/s0967-0637(01)00035-8

Cited by 184 publications

(150 citation statements)

References 38 publications

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“…Upwelling areas, ocean currents and fronts, sea surface temperature and depth have been recently identified as important factors influencing the distribution and abundance of cetaceans, and may influence dispersal and population structure (e.g. Davis et al 2002;Mendez et al 2010Mendez et al , 2011ainley et al 2012). For humpback whales, breeding areas are at approximately 20° latitude in both hemispheres with average sea surface temperatures of between 24 and 28 °C (rasmussen et al 2007).…”

Section: Discussionmentioning

confidence: 99%

Does temporal and spatial segregation explain the complex population structure of humpback whales on the coast of West Africa?

et al. 2014

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Section: Discussionmentioning

confidence: 99%

Does temporal and spatial segregation explain the complex population structure of humpback whales on the coast of West Africa?

et al. 2014

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“…Pilot whales are reported to be influenced by cold SST (Hamazaki, 2002), the presence of eddies (Davis et al, 2002) or a shallow thermocline (Ballance et al, 1997;Davis et al, 1998). In the North Atlantic, genetic analyses on different populations of long-finned pilot whales do not support a simple segregation by distance.…”

Section: Comparison Of the Ecological Nichesmentioning

confidence: 99%

Ecological niches of three teuthophageous odontocetes in the northwestern Mediterranean Sea

Praca

Gannier²

2008

Ocean Sci.

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Abstract. In the northwestern Mediterranean Sea, sperm whales, pilot whales and Risso's dolphins prey exclusively or preferentially on cephalopods. In order to evaluate their competition, we modelled their habitat suitability with the Ecological Niche Factor Analysis (ENFA) and compared their ecological niches using a discriminant analysis. We used a long term (1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005) small boat data set, with visual and acoustic (sperm whale) detections. Risso's dolphin had the shallowest and the more spatially restricted principal habitat, mainly located on the upper part of the continental slope (640 m mean depth). With a wider principal habitat, at 1750 m depth in average, the sperm whale used a deeper part of the slope as well as the closest offshore waters. Finally, the pilot whale has the most oceanic habitat (2500 m mean depth) mainly located in the central Ligurian Sea and Provençal basin. Therefore, potential competition for food between these species may be reduced by the differentiation of their habitats.

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“…The present description of the cetaceans and one siren of the Gulf is an update of information in the books by W€ ursig et al (2000) and Jefferson et al (2008) as well as articles by Baumgartner et al (2001), Davis et al (2002), Mullin and Fulling (2004), Maze-Foley and Mullin (2006), Schmidly and W€ ursig (2009), Waring et al (2010), Schick et al (2011), and others. Few published comprehensive summaries of marine mammals of the Gulf of Mexico have been made in the past 12 years, so this update comes at a particularly opportune time.…”

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confidence: 90%