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The Great Barrier Reef is in trouble. Not only do sections of it look bad, but they sound bad too. And this, it turns out, may be yet another barrier to reef recovery. In a new study published this week, a team led by Tim Gordon, PhD candidate in a marine biology from the University of Exeter, recorded sounds made by coral reefs before and after they were damaged and tested how the sounds changed the response of fish searching for a reef to settle on.
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Kelp forests — luxuriant coastal ecosystems that are home to a wide variety of marine biodiversity — are being wiped out from Tasmania to California, replaced by sea urchin barrens that are nearly devoid of life.
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PIRatE Lab's insight:
We have been experimenting with various such tools (but above water on the beach) to directly measure microscopic things like sand grains and plastic fibers. But this is awesome! Taking the whole thing underwater is great!
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A powerful, moving narrative published in 2009 depicts a future world without coral reefs by 2050. Did the message fall on deaf ears?
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The Australian government’s environmental protections system has been labelled “broken” after Gina Rinehart’s mining company managed to negotiate d
PIRatE Lab's insight:
Good to know that the Australian government is going the route of a full environmental retreat for all ecosystems and not "just" for terrestrial protected areas. G'Day Climate Change!
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From
kcbx
UC Santa Barbara researchers are asking recreational divers to participate in a giant sea bass census this week. According to researchers these fish can
PIRatE Lab's insight:
New Giant Sea Bass public science census week!
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Companies as diverse as Tiffany, Brilliant Earth and Kamoka Pearl are working to satisfy consumer demand for eco-friendly jewelry. Via Acquisti & Sostenibilità not-for-profit
PIRatE Lab's insight:
Nice example of some relatively simple steps being taken to reduce the environmental impact from pearl farming.
PIRatE Lab's curator insight,
February 14, 2014 5:48 PM
Nice examples from the mariculture side of things and from the synthetic diamond side of things. |
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My job is to write about the wonders and challenges of our coast and oceans, but I’ll admit: Before this story, I had no idea what an abalone looked like.
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Report reveals improvement but also details danger posed by tourist-generated pollution, oil extraction and climate change
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The National Marine Fisheries Services has decided not to grant federal protection to the pinto abalone, a prized six-inch sea snail whose population has severely declined in Northern California.
PIRatE Lab's insight:
I have not yet fully read the report yet, but it can be found here:
From my general knowledge of abs, I am a bit surprised by this finding. While never as numerous as greens, reds, blacks, etc., pintos have been comparatively scare for quite sometime. A cog in the serial depletion wheel that was commercial abalone harvesting on the western coast of North America from the late 1800s to the 1980s, Pintos were hammered into much lower abundances than their pre-disturbance conditions. As we have seen with many species of broadcast spawners, these downward trajectories in density usually translate into downward spirals in encounter rate. Not a good thing for critters like these.
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I heard a screwing noise as the hatch of our sub was sealed. A bright orange hose from topside that had been inserted into the ...
PIRatE Lab's insight:
What it is like to use a relatively shallow-depth range mini sub.
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This is a new zooniverse citizen science project to help document and describe kelp forests from satellite imagery.
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Scientists are taking on a monumental task: to create a Global Reef Record that provides high quality and comprehensive surveys of coral reefs around the world, and make it available online to citizens and scientists alike.
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SCRFA is an international marine conservation NGO working on marine fish aggregations, providing scientific and management information and participating in international committees, meetings and workshops to promote responsible stewardship of fish aggregations globally.
♦ Want to know more about the importance of aggregations - watch this 2.5 min film: Spawning for Survival.
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