Category Archives: Marine Mammal Observation (MMO)
The waters around New Zealand are home to a diverse range of marine mammals. Some of the most common cetaceans (whales, dolphins and porpoises) include Hector’s dolphins (Cephalorhynchus hectori hectori) Maui’s dolphins (C. h. maui), killer whales (Orcinus orca), bottlenose … Continue reading
An essential skill for all Marine Mammal Observers is the ability to estimate range to a sighting. Reticle binoculars and range finding sticks are the most common methods used, but it is also possible to use a sextant. Demonstrated here, … Continue reading
The majority of sightings by our Marine Mammal Observers in the last few weeks have been Grey seals (Halichoerus grypus), which are a member of the Phocidae family, more commonly known as the true seals. When seen at sea, our … Continue reading
Passive Acoustic Monitoring is an important part of the work carried out by OSC Ltd. Currently we have a number of operators working in the field to put mitigation measures in to practice on board seismic vessels. Hydrophones towed behind … Continue reading
After a busy winter in the OSC office, work is really kicking off in the field, I think we have an exciting year ahead of us! Reports of grey seal sightings are filtering into the office from our field supervisor … Continue reading
As the busy summer field season comes to an end, OSC Marine Mammal Observers are still working hard in the field. For more information on our highly qualified Marine Mammal Observers have a look at our website: http://www.marinemammalobserver.com.
Last year Ocean Science Consulting agreed to help the PAMguard team (www.pamguard.org) with their ongoing development project to improve the functionality of PAMguard for undertaking small cetacean survey work. The PAMguard team have just built a new installer and have … Continue reading
Ocean Science Consulting’s field season kicked-off unusually early, with unprecedented demand for services and personnel. Staff were also busy during Christmas and New Year, with projects on sound level and frequency measurement of conductor hammering from exploration drilling rigs, Marine … Continue reading
Ocean Science Consulting staff have been advising the New Zealand Government on guidelines for Passive Acoustic Monitoring of cetaceans (www.doc.govt.nz). “The New Zealand government is currently reviewing guidance for minimising acoustic disturbance to marine mammals from seismic survey operations, and … Continue reading
OSC’s busiest field-season is well under way, and our Marine Mammal Observers (MMOs), Passive Acoustic Monitoring (PAM) Operators and hydrophone equipment is currently deployed on several international projects…which corner of the globe next is anyone’s guess.