Daniel M. Palacios et al. 2012. Cetacean distribution and relative ...

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58 PALACIOS et al.: CETACEAN DISTRIBUTION AND ABUNDANCE IN COLOMBIATable A1.3Number of on-effort sightings (#Si), average group size (G) and encounter rate (ER, in number of groups per 1,000km) forall identified species within Colombia’s Pacific EEZ, from SWFSC line-transect surveys (1986–2006).Common name Scientific name #Si G ERPantropical spotted dolphin* Stenella attenuata 15 84.2 1.93Spinner dolphin* Stenella longirostris 3 77.4 0.39Striped dolphin Stenella coeruleoalba 70 48.4 8.99Rough-toothed dolphin Steno bredanensis 12 27.3 1.54Common dolphin Delphinus delphis 13 126.9 1.67Common bottlenose dolphin Tursiops truncatus 25 15.6 3.21Risso’s dolphin Grampus griseus 25 12.2 3.21Melon-headed whale Peponocephala electra 5 245.5 0.64Pygmy killer whale Feresa attenuata 2 35.1 0.26Short-finned pilot whale Globicephala macrorhynchus 6 9.9 0.77Killer whale Orcinus orca 2 5.3 0.26Sperm whale Physeter macrocephalus 27 10.4 3.47Dwarf sperm whale* Kogia sima 4 1.6 0.51Mesoplodont whales* Mesoplodon spp. 11 2.7 1.41Cuvier’s beaked whale Ziphius cavirostris 4 1.5 0.51Bryde’s whale* Balaenoptera edeni 4 1.5 0.51Humpback whale Megaptera novaeangliae 10 2.6 1.28*Pooling of related sighting categories was done for these species as described in the text.Appendix 2DETAILS OF ROUTES COVERED AND SIGHTINGS COLLECTED DURING THE SIBEN AND ODYSSEYEXPEDITIONS (1988, 1993, 1994).Table A2.1Dates and routes of the Siben and Odyssey expeditions in Colombian Pacific waters. Effort information was not availablefor these data sets.Date Route Vessel23–27/05/88 Panamá-Bahía Solano-Buenaventura-Gorgona R/V Siben26/06–12/07/88 Buenaventura-Panamá R/V Siben24–27/07/88 Buenaventura-Gorgona-Buenaventura R/V Siben09–16/02/93 Panamá-Galápagos R/V Odyssey20–21/09/93 Galápagos-Bahía Málaga R/V Odyssey05–09/10/93 Bahía Málaga-Galápagos R/V Odyssey12–19/04/94 Galápagos-Panamá R/V OdysseyTable A2.2Number of sightings (#Si) and average group size (G) for all identified species observed during the Siben Expedition inColombian Pacific waters (May–July 1988).Common name Scientific name #Si GPantropical spotted dolphin Stenella attenuata 2 45.0Rough-toothed dolphin Steno bredanensis 1 42.0Common dolphin Delphinus delphis 1 95.0Short-finned pilot whale Globicephala macrorhynchus 1 8.0Sperm whale Physeter macrocephalus 1 20.0Humpback whale Megaptera novaeangliae 5 2.4Table A2.3Number of sightings (#Si) and average group size (G) for all identified species observed during the Odyssey Expedition inColombian Pacific waters (February 1993, September–October 1993 and April 1994).Common name Scientific name #Si GCommon bottlenose dolphin Tursiops truncatus 1 20.0Risso’s dolphin Grampus griseus 1 7.0Sperm whale Physeter macrocephalus 3 22.7Humpback whale Megaptera novaeangliae 3 1.7
J. CETACEAN RES. MANAGE. 12(1): 45–60, 2012 59Appendix 3DETAILS OF SURVEY EFFORT AND SIGHTING STATISTICS FOR OCEANOGRAPHIC CRUISES ABOARDDIMAR VESSELS (2004, 2006–08).Table A3.1Visual effort conducted in passing mode, Beaufort sea states of 3 or less and good sighting conditionsduring oceanographic cruises aboard DIMAR vessels (2004, 2006–08).Dates Cruise Vessel Effort (km)24/09–08/10/04 ERFEN-04 R/V Providencia 551.103–27/03/06 Pacífico-06 R/V Malpelo 1,703.415–26/09/06 ERFEN-06 R/V Providencia 811.324/01–18/02/07 Pacífico-07 R/V Malpelo 1,717.903–28/09/07 ERFEN-07 R/V Providencia 1,369.009–28/03/08 Pacífico-08 R/V Providencia 1,372.306–26/09/08 ERFEN-08 R/V Malpelo 1,061.9Table A3.2Number of sightings (#Si) and average group size (G) and encounter rate (ER, in number of groups per 1,000km) for allidentified species, collected during oceanographic cruises aboard DIMAR vessels (2004, 2006–08).Common name Scientific name #Si G ERPantropical spotted dolphin Stenella attenuata 16 80.1 1.86Striped dolphin Stenella coeruleoalba 19 142.1 2.21Rough-toothed dolphin Steno bredanensis 4 53.8 0.47Common dolphin Delphinus delphis 6 185.5 0.70Common bottlenose dolphin Tursiops truncatus 21 9.1 2.45Risso’s dolphin Grampus griseus 3 18.0 0.35False killer whale Pseudorca crassidens 2 104.7 0.23Short-finned pilot whale Globicephala macrorhynchus 6 24.2 0.70Killer whale Orcinus orca 1 5.0 0.12Sperm whale Physeter macrocephalus 2 4.5 0.23Mesoplodont whales Mesoplodon spp. 1 1.0 0.12Cuvier’s beaked whale Ziphius cavirostris 2 1.0 0.23Minke whale Balaenoptera acutorostrata 1 1.0 0.12Fin whale Balaenoptera physalus 1 1.0 0.12Humpback whale Megaptera novaeangliae 93 1.8 10.83Appendix 4DETAILS OF SEARCH EFFORT AND SIGHTING STATISTICS FOR DIVE AND SEASCAPE CHARTER TRIPS(2004–08).Table A4.1Daily visual effort conducted in passing mode, Beaufort sea states of 3 or less and good sighting conditions aboard M/V Maria Patricia during dive andSeascape charter trips (2004–08).Date Effort (hr) Route Date Effort (hr) Route14 February 2004 9.0 Buenaventura-Malpelo 11 March 2006 10.0 Gorgona-Malpelo22 February 2004 10.0 Malpelo-Buenaventura 14 March 2006 10.0 Malpelo-Buenaventura15 March 2004 9.8 Buenaventura-Malpelo 8 April 2006 10.7 Buenaventura-Malpelo16 March 2004 4.0 Malpelo-Buenaventura 15 April 2006 10.6 Malpelo-Buenaventura20 June 2004 2.0 Malpelo-Buenaventura 27 August 2006 4.0 Gorgona-Malpelo18 December 2004 9.0 Malpelo-Buenaventura 18 March 2007 7.8 Buenaventura-Malpelo24 March 2005 9.0 Gorgona-Malpelo 27 March 2007 4.3 Malpelo-Buenaventura31 March 2005 11.7 Malpelo-Buenaventura 3 April 2007 6.2 Gorgona-Malpelo12 April 2005 9.7 Buenaventura-Malpelo 10 April 2007 3.0 Malpelo-Buenaventura13 April 2005 4.5 Malpelo-Buenaventura 21 March 2008 1.3 Buenaventura-Malpelo21 April 2005 8.0 Malpelo-Buenaventura 30 March 2008 9.2 Malpelo-Buenaventura10 August 2005 6.0 Gorgona-Malpelo 26 May 2008 9.0 Cabo Marzo-14 August 2005 12.5 Malpelo-Buenaventura Buenaventura
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