| cryptococcus gattiivgi in a spinner dolphin (stenella longirostris) from hawaii. | a spinner dolphin (stenella longirostris) was found stranded in hawaii with cutaneous nodules and enlarged lymph nodes. numerous cryptococcus gattii vgi yeast were observed in multiple organs with minimal inflammation. this case represents the first reported infection of c. gattii in a dolphin from hawaii. | 2010 | 20722278 |
| multiple populations of pantropical spotted dolphins in hawaiian waters. | understanding gene flow and dispersal patterns is important for predicting effects of natural events and anthropogenic activities on animal populations. in hawaii, most species of odontocetes are managed as single populations. recent exceptions include false killer whales, spinner dolphins, and common bottlenose dolphins, for which studies have shown fidelity to individual islands or groups of islands. our study focused on pantropical spotted dolphins. we analyzed mitochondrial control region an ... | 2014 | 25124812 |
| natural and anthropogenic events influence the soundscapes of four bays on hawaii island. | the soundscapes of four bays along the kona coast of hawaii island were monitored between january 2011 and march 2013. equivalent, unweighted sound pressure levels within standard 1/3rd-octave bands (db re: 1μpa) were calculated for each recording. sound levels increased at night and were lowest during the daytime when spinner dolphins use the bays to rest. a tsunami provided an opportunity to monitor the soundscape with little anthropogenic component. we detected a decrease in sound levels and ... | 2017 | 28751031 |
| bottom-up regulation of a pelagic community through spatial aggregations. | the importance of spatial pattern in ecosystems has long been recognized. however, incorporating patchiness into our understanding of forces regulating ecosystems has proved challenging. we used a combination of continuously sampling moored sensors, complemented by shipboard sampling, to measure the temporal variation, abundance and vertical distribution of four trophic levels in hawaii's near shore pelagic ecosystem. using an analysis approach from trophic dynamics, we found that the frequency ... | 2012 | 22552636 |
| the spatial context of free-ranging hawaiian spinner dolphins (stenella longirostris) producing acoustic signals. | to improve our understanding of how dolphins use acoustic signals in the wild, a three-hydrophone towed array was used to investigate the spatial occurrence of hawaiian spinner dolphins (stenella longirostris) relative to each other as they produced whistles, burst pulses, and echolocation clicks. groups of approximately 30 to 60 animals were recorded while they traveled and socialized in nearshore waters off oahu, hawaii. signaling animals were localized using time of arrival difference cues on ... | 2006 | 16521785 |
| the whistles of hawaiian spinner dolphins. | the characteristics of the whistles of hawaiian spinner dolphins (stenella longirostris) are considered by examining concurrently the whistle repertoire (whistle types) and the frequency of occurrence of each whistle type (whistle usage). whistles were recorded off six islands in the hawaiian archipelago. in this study hawaiian spinner dolphins emitted frequency modulated whistles that often sweep up in frequency (47% of the whistles were upsweeps). the frequency span of the fundamental componen ... | 2002 | 12509029 |