Subscribe to our free daily newsletters
  Oil and Gas News from OilGasDaily.Com  




Subscribe to our free daily newsletters



OIL AND GAS
Seismic surveys responsible for high zooplankton mortality rates
by Brooks Hays
Washington DC (UPI) Jun 24, 2017


Seismic surveys carried out by the oil and gas industry are causing high mortality rates among zooplankton, according to new research out of Australia.

Seismic air guns are frequently used on marine petroleum expeditions. New research found the air blasts dramatically increase mortality rates among target zooplankton species. Testing also showed the air gun's negative impact extends well beyond previous range estimates.

Testing revealed air gun pulses yielded between an 18 and 60 percent increase in zooplankton mortality rates. The seismic blasts also killed al zooplankton larva. These effects extended across nearly 4,000 feet. It was previously believed the negative impact of seismic air guns was limited to roughly 30 feet.

The findings -- detailed in a study published Thursday in the journal Nature Ecology and Evolution -- present the possibility that seismic surveys have an array of unstudied impacts on the broader ecosystem.

"Zooplankton underpin the health and productivity of global marine ecosystems and what this research has shown is that commercial seismic surveys could cause significant disruption to their population levels," Robert McCauley, an associate professor at the Center for Marine Science and Technology at Curtin University, said in a news release.

The tests weren't carried out in the lab but executed in Storm Bay, off the southern coast of Tasmania. Scientists used sonar to measure zooplankton abundance before and after the seismic air gun blasts.

Researchers also netted zooplankton before and after the seismic survey to measure the air gun's impact.

"We counted the number of live and dead zooplankton collected in nets using a special staining technique and found that two to three times as many zooplankton were dead following the air gun operations than those collected before," said Jayson Semmens, an associate professor at the University of Tasmania's Institute for Marine and Antarctic Studies.

Researchers hope regulators will take the new findings into consideration during review process for seismic surveys.

"Plankton underpin whole ocean productivity," McCauley said. "Their presence impacts right across the health of the ecosystem so it's important we pay attention to their future."

OIL AND GAS
Conflict of interest mars Michigan oil pipeline review
Washington (UPI) Jun 22, 2017
Michigan's attorney general said the state cut ties with a firm probing risks on a Great Lakes oil pipeline because of ties to Enbridge, the operating company. Pipeline operator Enbridge is facing push back from residents in the northern part of Michigan's lower peninsula worried about the integrity of Line 5, but the company said it felt it was in as good a condition as when it was ins ... read more

Related Links
All About Oil and Gas News at OilGasDaily.com


Thanks for being here;
We need your help. The SpaceDaily news network continues to grow but revenues have never been harder to maintain.

With the rise of Ad Blockers, and Facebook - our traditional revenue sources via quality network advertising continues to decline. And unlike so many other news sites, we don't have a paywall - with those annoying usernames and passwords.

Our news coverage takes time and effort to publish 365 days a year.

If you find our news sites informative and useful then please consider becoming a regular supporter or for now make a one off contribution.

SpaceDaily Contributor
$5 Billed Once


credit card or paypal
SpaceDaily Monthly Supporter
$5 Billed Monthly


paypal only

Comment using your Disqus, Facebook, Google or Twitter login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

OIL AND GAS
Researchers produce biofuel for conventional diesel engines

Scientists make plastic from sugar and carbon dioxide

Turning car plastics into foams with coconut oil

Scientists use new technique to recycle plant material into stock chemicals

OIL AND GAS
Using sunlight to the max

NRL Issued Patent for Solar Microbial Fuel Cell

Solar heating could cover over 80 percent of domestic heating requirements in Nordic countries

Urban Solar lands UL approval for entire product line

OIL AND GAS
Thrive Renewables delivers mezzanine funded wind farms in Scotland

It's a breeze: How to harness the power of the wind

ADB: Asia-Pacific growth tied to renewables

GE Energy Financial Services Surpasses $15 Billion in Renewable Energy Investments

OIL AND GAS
Toshiba delays results again citing US nuclear unit

Russia sells stake in Akkuyu nuclear plant project in Turkey

S. Korea to scrap all plans to build new nuclear reactors

Japan court clears way for nuclear reactor restarts

OIL AND GAS
World Bank: Middle East conflicts impede climate and other objectives

France pledges $34 mln for foreign climate experts

Understanding multi-decadal global warming rate changes

Trump was 'wrong' to leave climate change deal: UK minister

OIL AND GAS
Tesla eyes manufacturing in China

Uber CEO Kalanick resigns under pressure

Electric vehicles inefficient way to reduce CO2 emissions: study

Ford to import Focus cars built in China

OIL AND GAS
IS blows up Mosul mosque where Baghdadi became 'caliph'

Covering Mosul: a deadly city in a dangerous country

Deep in Mosul, US forces support Iraq's fight

Iraqi forces advance in Mosul Old City, rescue civilians

OIL AND GAS
US tries to use better China ties to press North Korea

Iran sends a message with missile strike in Syria

N. Korea tour firms mull ban on Americans after Warmbier death

K-Pop boycott of US troops concert 'regrettable': Seoul




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News






The content herein, unless otherwise known to be public domain, are Copyright 1995-2017 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement