The Blog Aquatic

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The Blog Aquatic

News, opinions, photos and facts from Ocean Conservancy

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Interview with Marine Mammal Researcher Dr. Ruth H. Carmichael on the Stranding of Dolphins, Manatees and Whales

Posted On April 15, 2014 by

This blog is part of a series of interviews with scientists who are championing marine research in the Gulf of Mexico.

We know there was a very significant increase in the number of marine mammal strandings observed following the BP Deepwater Horizon oil disaster. Dr. Ruth H. Carmichael talks to Ocean Conservancy about her work to respond to strandings when they occur, collect data to better understand these strandings and put together public outreach programs to prevent them in the future.

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Potential Threats from BP Oil to Bluefin and Yellowfin Tuna, Swordfish and Amberjack

Posted On April 8, 2014 by

© Cheryl Gerber

A new study published last month reveals how the 2010 BP Deepwater Horizon oil disaster likely caused life-threatening heart deformities and irregular function in the fish embryos of yellowfin tuna, bluefin tuna, amberjack and swordfish.

If you’re thinking that this sounds like another study we reported on last month, then you’re right. A number of different studies have been conducted on fish hearts, and each of them is an important piece of the puzzle that scientists are assembling to understand the impacts of the BP Deepwater Horizon oil disaster.

This latest study conducted by Dr. John Incardona and others clarifies how the oil from the BP oil disaster affects the embryos of large predatory fish living in the open ocean (or pelagic zone) of the Gulf of Mexico. Previous studies have determined that crude oil can be toxic or have delayed fatal effects on fish living in cold Arctic waters, such as pink salmon, or in warm freshwaters, such as zebrafish. We’ve also recently learned that Gulf killifish living in oiled areas of coastal Louisiana are suffering from deformed hearts and reduced chances of survival; another study helped us better understood the mechanism by which crude oil affects tuna hearts. Collectively, this research allowed scientists to make assumptions about how oil might affect fish living in the warm offshore waters of the Gulf.

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Communities Come Together to Restore the Gulf

Posted On April 2, 2014 by

Great things happen when people come together and collaborate on a shared vision, especially when that shared vision is a healthier Gulf of Mexico. This notion rang true at a series of workshops Ocean Conservancy helped to coordinate in Mobile and Baldwin counties on the Alabama Gulf Coast. These “Community Conversations” were an opportunity to share information with and collect ideas from residents and business owners about the National Fish and Wildlife Foundation’s (NFWF) Gulf Environmental Benefit Fund.

As you might remember, NFWF established this fund with $2.544 billion from a settlement resolving the criminal cases against BP and Transocean as a result of the BP Deepwater Horizon oil disaster. Alabama will receive $356 million over the next five years to fund projects that benefit Alabama’s coastal and marine wildlife and habitats. Last fall, 22 projects were selected to restore and protect our natural resources around the Gulf Coast. Alabama received $12.6 million for three projects, which will restore oyster reefs and watersheds around Mobile Bay.

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Interview: Dr. Blair Witherington on Oil’s Impact on Turtles in the Gulf of Mexico

Posted On December 23, 2013 by

Dr. Witherington with an oiled Kemp’s ridley turtle in the Gulf of Mexico.

(This blog is part of a series of interviews with scientists who are championing marine research in the Gulf of Mexico.)

A research scientist with more than 24 years of experience in sea turtle biology and conservation, Dr. Blair Witherington has worked with the Florida Fish and Wildlife Conservation Commission’s Fish and Wildlife Research Institute since 1992. He is also an adjunct assistant professor, department of zoology, University of Florida; served as president of the 20th International Sea Turtle Symposium; and is vice chair of the Northwest Atlantic region of the Marine Turtle Specialist Group of the International Union for Conservation of Nature. He has authored or contributed to more than 40 scientific articles, monographs and book chapters. In addition, he has written five books on sea turtles and other natural history subjects.

The BP Deepwater Horizon oil disaster had an immediate and particularly harmful effect on early juvenile sea turtles in the Gulf of Mexico. The worst marine oil spill in history also served to highlight a compelling need for assessments of open-sea habitats – research critically lacking in 2010, yet essential for conservation efforts and restoration planning.

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New Study Shows Dolphins are Struggling to Recover from BP Oil Disaster

Posted On December 18, 2013 by

Photo: US NOAA Fisheries

Nearly four years after the BP Deepwater Horizon oil disaster, we are beginning to see scientific data that points to the injury caused to important marine mammals like the bottlenose dolphin. A recent NOAA-commissioned study of 32 dolphins living in Barataria Bay, Louisiana – an area of the Gulf heavily oiled by the BP oil disaster – determined that dolphins had severely reduced health.

The animals showed multiple signs of poor health, including tooth loss, lung disease, reduced hormone levels and low body weight. These symptoms were not seen in dolphins at an unoiled comparison site or in previous dolphin health assessments unrelated to this study.

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The New Gulf of Mexico Disaster Imperative: Scientific Baselines and Long-term Monitoring

Posted On December 17, 2013 by

Today, Ocean Conservancy introduces the first in a series of interviews with leading marine scientists whose research is helping to fill many critical and long-standing gaps in our knowledge about the Gulf of Mexico.

This blog series will highlight the need for scientific research and monitoring of the Gulf’s ecosystem. When the BP Deepwater Horizon oil disaster began more than three years ago, we discovered precisely how little we understand about the potential impact of a major oil spill on the Gulf, especially on its already stressed marine life and fragile coastal ecology. The disaster’s lasting legacy is being shaped by our current response to this lack of basic knowledge.

Despite the billions of dollars worth of oil pumped out of the Gulf, and the billions more invested in the oil industry itself, there is virtually no corresponding investment in baseline science. The long-term impact of the oil industry on the Gulf ecology (which means looking beyond a five-year window) is not being monitored. Baseline science provides the status of the marine environment to which all future studies will be compared to determine trends in ecosystem integrity.

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A Victory for Fish and Turtles in the Gulf of Mexico

Posted On November 15, 2013 by

sea turtle swimming near Florida

Photo: Lisa Kelly, Photo Contest 2013

In a significant step forward in restoration of the Gulf of Mexico’s natural resources, the National Fish and Wildlife Foundation (NFWF), in partnership with the five Gulf states and two federal agencies, announced over $100 million for restoration projects across the Gulf. A total of 22 projects will restore a number of Gulf habitats and species, ranging from coastal dunes in Texas, to oyster reefs in Alabama and shorebird nests in Mississippi.

Funding for these projects comes from the criminal settlement against Transocean and BP, which were finalized late last year. These funds must be used to remedy the harm caused to our natural resources in the Gulf due to the BP Deepwater Horizon oil disaster, and these are some of the first fine monies to be put toward restoration. (Click here to read more about the ongoing civil trial and what’s at stake.)

We are particularly excited about two projects in Florida that support restoration of offshore Gulf species: enhanced reef fish (think: red snapper) health assessments and turtle-friendly beach lighting. Marine restoration projects like this are part of the comprehensive approach that Ocean Conservancy advocates.

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