| sighting frequency and relative abundance of bottlenose dolphins (tursiops truncatus) along the northeast coast of margarita island and los frailes archipelago, venezuela. | the study of local cetaceans in venezuela has a very recent history, and few efforts have been made in the assessment of coastal populations based on field research. the occurrence of whales and dolphins along the northeast coast of venezuela has been documented through sightings and stranding records. given the underwater topographical features and the influence of upwelling processes, this area is considered a very productive coastal ecosystem. our objective was to establish the sighting frequ ... | 2007 | 17354467 |