1 Updates
Noisy ships are harming crabs
Photo Credit: Ronald Martinez, Getty Images

Noisy ships are harming crabs

Feb 27 2013, 3:08am CST | by

London, Feb 27 (IANS) The noise made by ships is producing an ecological side-effect which impacts crabs with the largest specimens being hardest hit, a new study has found.

London, Feb 27 — The noise made by ships is producing an ecological side-effect which impacts crabs with the largest specimens being hardest hit, a new study has found. Crabs exposed to recordings of...

Filed under: news

Full Story below YouTube Videos

 
 

 

1 year ago

Noisy ships are harming crabs

Feb 27 2013, 3:08am CST | by

London, Feb 27 (IANS) The noise made by ships is producing an ecological side-effect which impacts crabs with the largest specimens being hardest hit, a new study has found.

London, Feb 27 — The noise made by ships is producing an ecological side-effect which impacts crabs with the largest specimens being hardest hit, a new study has found.

Crabs exposed to recordings of ship noises showed a higher metabolic rate, indicating elevated stress levels, according to a team from the Universities of Bristol and Exeter.

"We used controlled experiments to consider how shore crabs of different sizes respond to both single and repeated exposure to playback of ship noise. Ship noise is the most common source of noise in the aquatic environment," says Matt Wale, study co-author from Bristol's School of Biological Sciences.

Horseshoe crabs play an important ecological role in the food web. A decline in their numbers will impact shorebirds and sea turtles. Shorebirds depend on exposed crab eggs, but sufficient surface eggs are available only if this species is spawning at high densities, according to a Bristol and Exeter statement.

Similarly, hermit crab act as scavengers. They are omnivorous and known as "aquarium janitors" because they keep a tank free of algae, food debris, dead fish and other organic matter. Hermit crabs are a source of food for fish, birds and other crabs.

Andy Radford, reader in behavioural ecology at Bristol, said: "This is the first indication that there might be different responses to noise depending on the size of an individual."

Steve Simpson from Exeter warned: "Also, many crustacean species, particularly prawns, are grown in aquaculture, so if acoustic disturbance has a metabolic cost then operational noise in farms may impact growth, and quieter farms may be more profitable."

IANS

Source: IANS

 

Don't miss ...

 

<a href="/latest_stories/all/all/8" rel="author">Luigi Lugmayr</a>
Luigi is the founding Chief Editor of I4U News and brings over 15 years experience in the technology field to the ever evolving and exciting world of gadgets. He started I4U News back in 2000 and evolved it into vibrant technology magazine.
Luigi can be contacted directly at ml@i4u.com. Luigi posts regularly on LuigiMe.com about his experience running I4U.

 

blog comments powered by Disqus

Latest stories

Steve Jobs and Ezra Cornell: Entrepreneurs
Steve Jobs and Ezra Cornell: Entrepreneurs
More and more MBA students are choosing to major in entrepreneurship, rather than the traditional disciplines of finance and marketing. How has entrepreneurship changed over the past century-and-a-half? Or has it...
 
 
Aereo CEO speaks on future of company, industry
NEW YORK (AP) — The future of Aereo, an online service that provides over-the-air TV channels, hinges on a battle with broadcasters that goes before the U.S. Supreme Court next week. For as little as $8 a...
 
 
Apple to Observe Earth Day 2014 Extensively
Apple to Observe Earth Day 2014 Extensively
Apple has set different plans to celebrate the Earth Day 2014 on 22nd April
 
 
When will Ahrendts Join Apple as the Chief of Retail Branch?
When will Ahrendts Join Apple as the Chief of Retail Branch?
Angela Ahrendts is speculated not to join Apple in April, but in June
 
 
 

Latest from the Network

Leighton Meester praises Adam Brody
Leighton Meester thinks her new husband Adam Brody is "incredible." The former 'Gossip Girl' star, who tied the knot with the actor in a secret ceremony in February after meeting him on the set of their film 'The...
Read more on Celebrity Balla
 
The Other Important Number In The President's Obamacare Briefing: 24
President Obama was triumphant on Thursday. After facing months of questions over whether the White House would hit its goal of 7 million Obamacare sign-ups, the president had the latest enrollment data in hand—and it...
Read more on Business Balla
 
It's Good to Be King: LeBron James Tops 2014 Top-Selling NBA Jerseys
We haven’t crowned a winner for the 2014 NBA Championship, but we know who the king is when it comes to jersey sales. For the sixth time, Miami Heat power-forward LeBron James tops the NBA most-popular jersey list based...
Read more on Business Balla
 
The L.A. Clipper Miracle... Next: Democracy Will Break Out in Russia?
The Lakers are dead as Moses. The Clippers, who finished 11 games ahead of them last season and 30 in this one, are No. 3 seeds in the NBA’s Western draw, meaning they’ll be favored to stay alive for the next three or...
Read more on Business Balla
 
12 Reasons Why New Zealand's Economic Bubble Will End In Disaster
New Zealand’s economy has been hailed as one of world’s top safe-haven economies in recent years after it emerged from Global Financial Crisis relatively unscathed. Unfortunately, my research has found that many of...
Read more on Business Balla
 
Britney Spears' dad wants her to stay single
Britney Spears' father reportedly doesn't want her to get married again. The 'Perfume' hitmaker, who broke of her engagement to her former agent, Jason Trawick, in January 2013, is desperate to tie the knot with her...
Read more on Celebrity Balla
 
The Singular Secret For A Leader's Success: Self-Awareness
The National Advisory Council of a prestigious west coast business school was asked what single quality they thought would be most valuable for their graduates to acquire as they graduated.  The answer was self-...
Read more on Business Balla
 
Toby Keith's I Love This Bar & Grill Hit With Tax Warrant
In 2003, country singer Toby Keith went all the way to #1 with his mega-hit, “I Love This Bar.” The incredible popularity of the song inspired a chain of restaurants called Toby Keith’s I Love This Bar & Grill with...
Read more on Business Balla
 
What If Doctors Could Finally Prescribe Behavior Change?
This guest article is by Sean Duffy, CEO and Co-Founder, Omada Health Three out of four Americans will die of a disease that could be avoided—if only they could re-route their unhealthy habits. A new category of...
Read more on Business Balla
 
Steve Jobs and Ezra Cornell: Entrepreneurs
More and more MBA students are choosing to major in entrepreneurship, rather than the traditional disciplines of finance and marketing. How has entrepreneurship changed over the past century-and-a-half? Or has it...
Read more on Business Balla
 
 
Auto Balla Sexy Balla Sport Balla TV Balla Politics Balla Movie Balla Apple Balla Business Balla Ad Balla Celebrity Balla