Autumn Update...

  • SonarPoint Hydrophone Selection (Video)

  • SeaTag's To Produce Large Datasets For Turtles & More

  • "Whale Safe" Seafood Labels

  • Getting Started With Ropeless Fishing

Underwater Acoustic Monitoring With SonarPoint™

At Desert Star, we get a lot of questions about passive acoustic monitoring (PAM) capabilities and how SonarPoint recorders can be used to best serve a variety of projects all around the world. For that reason we have created a series of video tutorials designed to answer many common questions associated with underwater acoustics.

What Hydrophone Is Best For My Study?

There are two categories for hydrophone selection; Endcap Integrated or Cable Mounted (Free-Field).

Having multiple hydrophone options available is a valuable capability. SonarPoint was designed with modularity in mind so hydrophones can be easily exchanged while working in the field. You may choose to use cable connected hydrophones with free-field performance for precision sound measurements. Or rugged, endcap integrated hydrophones that can be programmed for your needs such as low sensitivity to capture strong industrial noise without clipping or high sensitivity to capture faint marine mammal vocalizations. The Desert Star integrated end cap hydrophone has a unique sloping frequency response capability which will allow you to simultaneously monitor very faint high frequency signals in the presence of strong low frequency noise without clipping. By extending the strong signal capability at low frequencies to over 200 dB while operating with a noise floor of under 30 dB at high frequencies, you can use them to observe animal response to industrial activity, survey for a specific type of underwater traffic or surface activity.

Which hydrophone is right for you? Watch the video below to find out more about self noise and frequency response curves. 

SonarPoint Tutorial:  Hydrophone Selection
Learn More About SonarPoint Recorders

Satellite Tags For Long Term & Continuous Management Programs

Amongst the COVID-19 crisis we are learning that near real-time data is key to containing this pandemic. And many of us are consulting dashboards like worldometer to inform our professional and personal decisions.

In the management of sea turtles and other at risk species however, we are suffering from a sparsity of sensors. And this leaves our wildlife and fisheries managers often guessing to make decisions that effectively mitigate risk to animals while limiting impact on fishing, shipping and other activities at sea.

We introduced our first Argos satellite reporting tags in 2011. But with many such devices already on the market and recognizing the need to support timely decision making by wildlife and fisheries managers, we aimed to offer something new. Tags that would be suitable not just for individual studies, but for the routine and ongoing tagging of species at risk or of interest. Tags that could underpin real-time ocean dashboards, showing the here and now, to inform decision making. 

Learn more about the on-going SeaTag studies around the world that benefit from satellite tags with strong endurance, tag reusability, large datasets and low drag. To support routine tagging in meaningful numbers, tags must be affordably priced. Designing for affordability is a complex matter. For Desert Star product affordability is baked into our business model.

Learn More About SeaTag's

Whale Safe Seafood Labels

U.S. Dolphin Safe labels began in 1990 for canned tuna. This label indicates fishing practices were performed using methods proven as causing no harm to dolphins. Prior to these labels an estimated 80,000 - 100,000 dolphins were killed per year. In 2015, observers reported just 765 dolphins were killed, virtually all of them were harmed by vessels deliberately choosing not to adhere to dolphin safe fishing practices and do not qualify to use a dolphin safe label.

In our Ropeless Fishing Breakfast Series we discussed the consumer trends of sustainability and the market is willing to pay a premium for Whale Safe Lobster and other seafood. There are already many seafood consumer guides available to consumers who shop with their smartphones in hand, seeking brands and restaurants serving seafood sourced from ethical fishing practices. Learn more about Ropeless Fishing from the Breakfast Series Newsletter.

Consumer guides for ethically caught and sustainable seafood.

Ropeless Fishing Newsletter
Breakfast Series

Get updated information about Ropeless Fishing with pop-up buoys on demand from the Ropeless Fishing Breakfast Series.

Ropeless Fishing has been in commercial pot trap fisheries since 2012. Hear these fisherman's stories. 

The success of sea trials in North America bring on the demand for legalization of Ropeless Fishing Systems.

Instructional videos & How-to Set up Guides.
Tutorials and manuals. How to optimize your vessel for Ropeless Fishing.
Wildlife protection
Economics of a ropeless fisher
Discover a new way to fish with bottom stowed rope and pop-up buoys on demand.
See how ropeless fishing for southern rock lobster is done by the Rosskelly family of Forster, NSW, Australia. This operation is using the ARC-1XD acoustic release manufactured by Desert Star Systems. Ramping up in stages since 2016, the Rosskelly family now is first to fish 100% ropeless using acoustic releases.
View Previous Newsletters

Always Happy To Help.

Powered by a passion for the oceans, we go on journeys of science, engineering, and exploration. For inquires please contact us by replying to this email or visit our website to learn more.

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