scholarly journals Benchmarking UI BlueMetric to ocean monitoring indicator and marine environmental indicator

2021 ◽  
Vol 716 (1) ◽  
pp. 012027
Author(s):  
Hastin Setiani ◽  
Jauzak H Windiatmaja ◽  
Riri F Sari
2018 ◽  
Vol 52 (3) ◽  
pp. 13-18 ◽  
Author(s):  
Richard Davis ◽  
Adam Comeau ◽  
Sue L'Orsa ◽  
Jude Van der Meer ◽  
Brad Covey ◽  
...  

AbstractCanada's expanding “Blue Economy” requires a major expansion of existing ocean monitoring if developments are to be sustainably managed. Dalhousie University, the Ocean Tracking Network, and the Marine Environmental Observation Prediction and Response Network of Centers of Excellence have operated a mixed fleet of gliders for 7 years on missions covering >50,000 km. The data from these missions are used by research programs, nongovernmental organizations, and government agencies. The gliders have proven to be reliable platforms for ocean observation, collecting data in inclement weather, and times of the year when it is difficult to get ships at sea. However, glider operations have a steep learning curve, and much of the expertise that resides within an operational glider group is gleaned through experience. Managing glider data also poses significant challenges. Planning, risk management, rapid adaptation to the unexpected, and dedicated highly qualified personnel are the keys to sustaining successful glider operations.


2021 ◽  
Vol 11 (4) ◽  
pp. 1856
Author(s):  
Masato Honda ◽  
Xuchun Qiu ◽  
Suzanne Lydia Undap ◽  
Takeshi Kimura ◽  
Tsuguhide Hori ◽  
...  

We investigated the pollution levels of 6 heavy metals and 29 dioxins (polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and dioxin-like polychlorinated biphenyls (DL-PCBs)) in intertidal and supratidal zones by using wharf roaches (Ligia spp.) collected from 12 sampling sites on the coast of Northeast Japan from November 2011 to June 2012. The total concentrations of heavy metals ranged from 177 to 377 µg/g-dry weight (dw), and the predominant metals were copper, zinc, and aluminum. The order of the detected level of heavy metals was zinc > aluminum > copper > cadmium > lead > chromium, and this trend was similar to a previous report. The total toxic equivalent (TEQ) value of the PCDD/Fs ranged from less than the limit of detection (<LOD) to 2.33 pg-TEQ/g-dw, and the predominant congener was octachlorodibenzodioxin (<LOD to 110 pg/g-dw). Compared with PCDD/Fs, DL-PCBs were detected at a predominantly higher level (total TEQ value: 0.64–27.79 pg-TEQ/g-dw). Detected levels of dioxins, especially DL-PCBs in the wharf roach, were like those in the bivalves. These results indicate that the wharf roach could reflect heavy metals and dioxin pollution in the supratidal zones and is a suitable environmental indicator for these environmental pollutants. This is the first study to investigate heavy metals, PCDD/Fs, and DL-PCBs pollution in coastal isopods in Japan.


Author(s):  
Daniel Roper ◽  
Catherine A. Harris ◽  
Georgios Salavasidis ◽  
Miles Pebody ◽  
Robert Templeton ◽  
...  

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