Issue_2_2007

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NEWSLETTER ISSUE 2/07 August 2007


Double memory size (Temp-Depth) -
Same price!


Star-Oddi has doubled the memory size in two of its data loggers:
DST centi (centi-ex) and Starmon mini.
DST centi can now store 87,000 paired depth and temperature
measurements, and centi-ex 262,000 paired temp-depth values.
Starmon mini can now store 690,000 temp. measurements.  Star-Oddi recently introduced the new DST milli-F, a small temperature and depth recording tag with large memory size of 341,000 measurements of paired temp-depth (or total of 682,000 recordings, divided between the two sensors).

The data loggers are used globally for various research projects, including tagging, fisheries and oceanographic studies, where collection of environmental data is needed.

Go to our website www.star-oddi.com to view the sensors available.  Please contact Star-Oddi to place an an order or request a quotation.


Two more salmons recaptured with DST micro

The Icelandic Institute of Freshwater Fisheries recently caught two salmons which had migrated from sea back to the river.  The fish were internally tagged with DST micro tags in the spring of 2006, when they were smolts.  The tags had recorded depth and temperature every hour for the whole period, or 15 months. The project is unique as it captures the whole sea migration route of the fish, using the smallest depth-temperature tags available on the world market.  Read more here.


New Zealand starfish tagging program!

Fiordland, New Zealand is one of the wettest locations in the world.  The result of the climate is that the fiords in the region have a semi-permanent freshwater layer overlying the seawater.  One of the most important species inhabiting the fiords is the eleven-arm starfish Coscinasterias muricate, which is a veracious predator and can control the distribution of other important organisms such as shellfish. 

To find more about the starfish's feeding ecology and movement, and specifically how the freshwater layer influences their behaviour, the University of Otago and Cawthron Institute in New Zealand tagged a few starfish with Star-Oddi temperature/depth/time DST-milli tags.  Star-Oddi tags are proving to be an exciting and valuable research tool, allowing the scientists to conduct the first known archival tagging of predatory starfish for the purpose of understanding their behaviours.  Read full article here.


Saithe tagging - information on vertigal migrations

Data Storage Tags (DST milli) implanted in saithe in Icelandic waters have revealed diel and seasonal differences in vertical migrations which influence catchability and have implications when saithe are studied as acoustic objects. The poster presents results based on a data set of hourly recordings of depth and temperature from 32 saithe and compares them with commercial logbook data. Measurements at 1 minute interval were made for a subset of the series and have been retrieved from 14 recaptures.

The results may help elucidate saithe swimming behaviour and possibly contribute to to an understanding of tilt angle distributions, which in turn influence saithe acoustic backscatter strength/area. See more details from the poster here. 

Meet us at the following trade shows:  


September 3-5




September 17-21

Visit our website and view other products and scientific papers related to your field. If you would like to receive a price quote, know more about the company or the products please contact us.



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www.star-oddi.com

 

Star-Oddi | Vatnagardar 14 | 104 Reykjavik | Iceland | Tel: +354 533 6060 | Fax: +354 533 6069 |

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