Sanctuaire Agoa

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Chapter 3. SITE DESCRIPTION

h - Information and knowledge

Information and knowledge available


The Agoa sanctuary has a detailed management plan, well documented with maps (see Annex)

List of the main publications


Title Author Year Editor / review
Distribution et Abondance des Cétacés dans la Zone Économique Exclusive des Antilles Françaises par Observation Aérienne : Campagne EXOCET - Antilles Van Canneyt, Olivier/ Certain, Grégoire/ Dorémus, Ghislain/ Ridoux, Vincent/ Jérémie, Stéphane/ Rinaldi, Renato/ Watremez, Pierre/ CRMM 2009 Van Canneyt, Olivier/ Certain, Grégoire/ Dorémus, Ghislain/ Ridoux, Vincent/ Jérémie, Stéphane/ Rinaldi, Renato/ Watremez, Pierre/ CRMM
A la rencontre des cétacés Terrasse, Marie-Ange 2012 Terrasse, Marie-Ange
A Review of Whale-Watching and Whaling with Application for the Caribbean Hoyt, Erich/ Hvenegaard, Glen T. 2002 Hoyt, Erich/ Hvenegaard, Glen T.
Abondance et Distribution des Mammifères Marins dans l'Archipel Guadeloupéen 2008 Gandilhon, Nadège/ Girou, Etienne/ Breach/ DIREN Guadeloupe 2009 Gandilhon, Nadège/ Girou, Etienne/ Breach/ DIREN Guadeloupe
Ceaceans and Gillnet Fisheries in Mexico, Central America and the Wider Caribbean: A Preliminary Review Vidal, Omar/ Van Waerebeek, Koen/ Findley, Lloyd T. 1994 Vidal, Omar/ Van Waerebeek, Koen/ Findley, Lloyd T.
Cetaceans of Martinique Island (Lesser Antilles) : Occurence and Distribution Obtained From a Small Boat Dedicated Survey Jérémie, Stéphane/ Gannier, Alexandre/ Bourreau, Stéphane/ Nicolas, Jean-Claude 2006 Jérémie, Stéphane/ Gannier, Alexandre/ Bourreau, Stéphane/ Nicolas, Jean-Claude
Draft Compilation of Capacities for Marine Mammals UNEP 2008 UNEP
Échantillonnage Visuel & Acoustique des Cétacés et de l'Avifaune Marine dans les Eaux Territoriales à la Martinique : Novembre-Décembre 2004 Jérémie, Stéphane/ SEPANMAR 2004 Jérémie, Stéphane/ SEPANMAR
Échantillonnage Visuel et Acoustique des Populations de Cétacés et de l'Avifaune Marine dans les Eaux Territoriales à la Martinique : Février-Mars 2004 Jérémie, Stéphane/ SEPANMAR 2004 Jérémie, Stéphane/ SEPANMAR
État des Lieux et Évolution du Trafic Maritime en Côte sous le Vent de la Guadeloupe 2005-2009 Rinaldi, Caroline/ Rinaldi, Renato/ Association Évasion Tropicale 2010 Rinaldi, Caroline/ Rinaldi, Renato/ Association Évasion Tropicale
France Progress Report on Cetacean Research, January 2005 to December 2005, with Statistical Data for the Calendar Year 2005 Ridoux, Stéphane/ Van Canneyt, Olivier 2005 Ridoux, Stéphane/ Van Canneyt, Olivier
France. Progress Report on Cetacean Research, January 2007 to December 2007, with Statistical Data for the Calendar Year 2007 Ridoux, Stéphane/ Van Canneyt, Olivier 2008 Ridoux, Stéphane/ Van Canneyt, Olivier
Inventaire et Suivi des Cétacés des Eaux Territoriales à la Martinique par Échantillonnages Visuel & Acoustique: Résultats de 2005 Jérémie, Stéphane/ Nicolas, Jean-Claude/ Martail, Fred/ Raigné, Séverine/ SEPANMAR 2005 Jérémie, Stéphane/ Nicolas, Jean-Claude/ Martail, Fred/ Raigné, Séverine/ SEPANMAR
Mapping Diversity and Relative Density of Cetaceans and Other Pelagic Megafauna Across the Tropics: General Design and Progress of the REMMOA Aerial Surveys Conducted in the French EEZ and Adjacent Waters Ridoux, Vincent/ Certain, Grégoire/ Dorémus, Ghislain/ Laran, Sophie/ Van Canneyt, Olivier/ Watremez, Pierre 2010 Ridoux, Vincent/ Certain, Grégoire/ Dorémus, Ghislain/ Laran, Sophie/ Van Canneyt, Olivier/ Watremez, Pierre
Observations of Small Cetaceans in the Eastern Caribbean Boisseau, Olivier/ Leaper, Russel/ Moscrop, Anna 2006 Boisseau, Olivier/ Leaper, Russel/ Moscrop, Anna
Population Estimate and Inter-Island Movement of Sperm Whale, Physeter macrocephalus, in the Eastern Caribbean Gero, Shane/ Gordon, Jonathan/ Carlson, Carole/ Evans, William E./ Whitehead, Hal 2006 Gero, Shane/ Gordon, Jonathan/ Carlson, Carole/ Evans, William E./ Whitehead, Hal
Rapport Final de l'Atelier Régional pour les Territoires Francophones de la Caraïbe en Réponse aux Échouages de Mammifères Marins Ward, Nathalie/ Rinaldi, Caroline/ Association Évasion Tropicale/ ECCN 2010 Ward, Nathalie/ Rinaldi, Caroline/ Association Évasion Tropicale/ ECCN
Reintroduction of Manatees Trichechus manatus into Guadeloupe, Lesser Antilles : Issues, Questions and Possible Answers Reynolds, John E. III/ Mote Marine Laboratory/ Parc National de Guadeloupe 2008 Reynolds, John E. III/ Mote Marine Laboratory/ Parc National de Guadeloupe
Report of Surveys Conducted on Small Cetaceans off Guadeloupe 1998 to 2005 Rinaldi, Renato/ Rinaldi, Caroline/ Sahagian, Philippe/ Association Évasion Tropicale 2006 Rinaldi, Renato/ Rinaldi, Caroline/ Sahagian, Philippe/ Association Évasion Tropicale
Sanctuaire Agoa : Mers sans frontières Derivery, Muriel 2012 Derivery, Muriel
Sustainable Ecotourism on Atlantic Islands, with Special Reference to Whale Watching, Marine Protected Areas and Sanctuaries for Cetaceans Hoyt, Erich 2005 Hoyt, Erich
Synthèse des Connaissances Acquises sur les Cétacés Présents en Guadeloupe et Martinique 1998-2006 DIREN Martinique/ SEPANMAR/ Association Évasion Tropicale/ BREACH 2008 DIREN Martinique/ SEPANMAR/ Association Évasion Tropicale/ BREACH
Synthesis of Cetaceans off the Island of Martinique, French West Indies Jérémie, Stéphane/ UNEP/ SEPANMAR/ ECCEA 2005 Jérémie, Stéphane/ UNEP/ SEPANMAR/ ECCEA
The Potential of Whale-Watching in the Caribbean: 1999 Hoyt, Erich/ WDCS 1999 Hoyt, Erich/ WDCS
The Project for a Marine Mammals Sanctuary in the French West Indies in 2007 (Submitted by France) UNEP 2007 UNEP
Projet de réinsertion du lamantin des Antilles (Trichetus manatus manatus) dans le Grand cul de sac marin en Guadeloupe : implications écologiques, économiques et sociales Jessica Martial 2008 Jessica Martial

Briefly indicate in the chart if any regular monitoring is performed and for what groups/species

Species / group monitored
(give the scientific name)
Frequency of monitoring
(annual / biannual / etc...)
Comments
(In particular, you can describe here the monitoring methods that are used)
Marine mammal biannual For observation of cetaceans in their natural environment, visual observation is classically done from boats. This approach presents some drawbacks. First, the observers have to find the animals and approach them, either to provide individual recognition (photo- identification), or to confirm the presence/absence of animals in certain marine areas. Each survey was carried out using simultaneously two sails motorized boats. On a daily effort, each platform prospected randomly a different target of four line transects, spaced between waypoints defined in advance. Successive on-transect GPS boat positions were automatically tracked by the software MAX SEA, 10.1.3.2 version (http://comfr.maxsea.fr/MaxSea/). Concretely, three trained observers and one more observer (minimum) qualified in cetacean’s recognition constantly observed at 180° front and sides on a constant speed moving platform. Minimum on-transect navigation speed for boats was determinate to 5 knots in accordance with approximated whales travelling speed of 3 (especially in mother and calf pod) to 6 miles per hour, even if they can swim much faster especially for isolated animals. Watches were conducted with the unaided eye reticulated 7X50 Marine BUSHNELL waterproof binoculars and distances measured in mil-dot graduations in situ. Cetaceans on-transect observation on the line transect was digitally reported at its initial position with relevant parameters such as axis of the boat, compass bearing, compass heading, angle of the cluster detected with the boat and height of each human observer and platform. The size estimation of each cluster (average of minima and maxima of individuals in a group) was fixed by at least 2 different observers. Each observation was reported with the date, the time, the name of the observers, the weather, the speed of the boat, the GPS position (station or interval, as the platform is moving or not) and biological or ecological notations. NIKON D300 were used to take pictures of the animals, directly from the line transect or in the merging mode when necessary. All events occurring off and on-transect (macro-wastes, birds, fishes, turtles, human activities, changes in the cap or navigation, observer rotation, boat-breaks, climatic changes etc.) were systematically reported with localization in notepads with detailed information. Cetaceans are vocally active. They emit various sounds depending on the species and individuals in the same species: harmonics or transients signals as calls, wheezing, moans, vocalizations, clicks, click trains (buzzes)... For some species, the acoustic intensities can reach more than 200dB re 1μPa at 1m. The sounds could be narrowband (wheezing) or broadband (clicks). The objectives of acoustic observations are: detecting the presence of cetaceans, identifying species, classifying different types of sounds and possibly locating individuals. This diversity of sounds makes it difficult to use the same system for recordings different species. For many applications, the recording system is dedicated to the observations of one specific species. The technical specifications (D/A converter, range, accuracy…) will be chosen in taking account the acoustic intensities, the forms and the frequencies of the emitted sounds. The classical technique is to use easy portable equipment on vessels, including one or more than one hydrophone (Instantaneous Acoustic Observatories), a preamplifier and a data acquisition system (DAT, personal computer or portable digital recorder). The global research effort of the marine zone that will be investigated will associate visual and acoustics observations, these both techniques are complementary. This approach is instantaneous (the results are obtained only during this effort), localized on a specific marine zone and generally requires strong financial support. Acoustic detections of singing males whales were performed with one portable hydrophone DolphinEAR / Pro omni (spectral band: 15Hz-24000Hz and preamp) in 2008, with the Aquarian hydrophone H2b (spectral band: 20Hz-20000Hz and preamp rolls MP13 Mini Mic used with audio earphones SBC HL145 Philips) in 2009 and the Colmar GP0280 Omni directional preamplifier hydrophone in 2009 and 2010. These acoustics observations were done on-transect with a boat-stop, noted in the line transect as a limited break and removed from visual observation time-pressure (average of 12 minutes by acoustic station, except in case of positive detection). After each stop times (merging mode, acoustic stations, interrupted line transect because of rainstorms or technical check needs), the effort started again at the initial interruption GPS point. In case of long-time non compliant climatic conditions, we have definitively disrupted the effort and, when possible, have reported the prospection for another day.