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The Blog Aquatic

News, opinions, photos and facts from Ocean Conservancy

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Shark Sighting: What It’s Like Cruising for Sharks

Posted On August 5, 2013 by

hammerhead shark

Hammerhead shark caught for a population survey. Photo: Claudia Friess / Ocean Conservancy

While most people out on the water are trying to avoid sharks, I’m on a boat that’s looking for them. We’re trying to find out which shark species are doing well and which ones are in trouble.

The answer: it’s complicated. But one important piece of evidence is the information collected on scientific surveys of population abundance, like the one I’m on right now.

It’s my third year as a volunteer on the science crew with the National Oceanic and Atmospheric Administration. I am currently on the NOAA ship OREGON II, a 170-foot research vessel with its home port in Pascagoula, Miss.

This is the first leg of the annual shark and red snapper bottom longline survey. The survey is conducted in the U.S. Gulf of Mexico from South Texas to the Florida Keys and along the East Coast up to Cape Hatteras, N.C. That’s a total of four legs lasting two weeks each.

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Connecticut-Sized Dead Zone Found in Gulf of Mexico

Posted On July 31, 2013 by

LUMCON Dead zone mapImagine if all of the animals throughout the entire state of Connecticut left or died. This is what happens every year in the Gulf of Mexico. The size of the dead zone varies—sometimes it’s as big as New Jersey or only the size of Rhode Island, but the problem always persists.

Researchers from the Louisiana Universities Marine Consortium just spent a week measuring dissolved oxygen concentrations off the coasts of Louisiana and Texas to determine how big the dead zone is this year. And they found that it is about 5,800 square miles, or roughly the size of the state of Connecticut.

This area is called “the dead zone” because dissolved oxygen levels are too low to support life. Animals that can move out of the area, like fish and shrimp, will leave, and animals that can’t, like brittle stars and mussels, will become stressed and eventually die.

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Spotted! It’s Whale Shark Season in the Gulf of Mexico

Posted On July 29, 2013 by

whale shark

A whale shark swims at the West Flower Garden Bank in the Gulf of Mexico. Credit: Ryan Eckert / Flower Garden Banks National Marine Sanctuary

It’s prime time for spotting whale sharks in the Gulf of Mexico!

Whale shark sightings in the Gulf are recorded and tracked by the Gulf Coast Research Laboratory at the University of Southern Mississippi. According to their data set, 85 percent of sightings in the Gulf since 2002 have occurred from June to October and peaked in July.

Take a look at the map below from our Gulf of Mexico Ecosystem: A Coastal and Marine Atlas to see where sightings have occurred in the past.

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Next Steps in Gulf Recovery: Restoring Region’s Health and Livelihoods

Posted On July 26, 2013 by

shrimp boat

Credit: Bethany Kraft / Ocean Conservancy

With yesterday’s news that Halliburton intentionally destroyed evidence related to the BP Deepwater Horizon oil disaster, we are seeing that the truth about that disaster is still coming out. The company’s callousness at least has one bright side—it will provide more resources to an important restoration organization. But this isn’t enough.

The people of the Gulf are still suffering from this tragedy.

Three years ago, I found myself at a late-night community meeting on the coast in Alabama to discuss the oil disaster. At that point, oil was still spewing uncontrolled from the wellhead and huge portions of the Gulf were closed to fishing—meaning that thousands of people were out of a job and countless more were unable to enjoy doing the things they’d always taken for granted, like fishing, boating and swimming in the Gulf.

About an hour in, a broad-shouldered, weathered man stood up to discuss what this disaster meant for him. He explained that he made his living as a fisherman and now couldn’t afford to feed his family. As he talked, his voice began to break, and he struggled to keep talking through the tears. It was then that I knew this disaster was deeper than the sheen on the water; it was in the hearts of each Gulf resident.

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Red Snapper Numbers Go Up In More Ways Than One

Posted On July 15, 2013 by

Fisherman loads red snapper into buckets

Credit: Tom McCann / Ocean Conservancy

UPDATE (July 17, 2013): Success! The Gulf of Mexico Fishery Management Council has voted to raise this year’s catch limit for red snapper from 8.46 to 11 million pounds due to the successful rebuilding of this iconic species. This action marks a historic moment in the management of the red snapper fishery, as catch levels are the highest they’ve been in 25 years.

Read more about this decision here.

Original post (July 15, 2013):

It’s summer in the Gulf of Mexico, and another recreational red snapper fishing season has come and gone too quickly. Usually at this time of year, anglers and fishery managers are taking stock of what was caught in the short snapper opening and wondering what the limit will be next year. The answer will come sooner than usual.

The Gulf of Mexico Fishery Management Council is holding an emergency meeting this week to decide how many more red snapper can be caught this year. A science panel recently announced that an increase is possible, and now managers need to settle the questions of how much and by when?

The good news is that the red snapper population is on the rise and soon the catch limit will be too. The law governing our nation’s fisheries, the Magnuson-Stevens Act, has rebuilt a record number of fish populations around the country, and red snapper is one of the most visible success stories.

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The Gulf of Mexico Ecosystem: There’s a Map for That

Posted On June 24, 2013 by

Blue crab map from Gulf AtlasDo you know the Gulf of Mexico? Do you really know the wildlife that lives in its waters or how we use its resources—for better or worse—to support our economy?

I thought I had a grasp on this before beginning a multi-year project that mapped important things in the Gulf. Now that the project is finished, I know there’s even more to see than I knew about! Ocean Conservancy’s new tool, “The Gulf of Mexico Ecosystem: A Coastal and Marine Atlas,” can help you get a better view of the Gulf too.

The Gulf is a complex ecosystem full of an amazing diversity of wildlife and an abundance of resources. We need to know what lives in it and where it can all be found so we can protect, conserve and restore this beautiful natural treasure.

Gulf Atlas coverThe atlas is a unique collection of 54 maps and related descriptions that illustrate and describe where you will find many invertebrates, fish, birds and marine mammals in the Gulf. Among many other species, you can learn more about sperm whales, whale sharks, blue crabs (see map above) and black skimmers.

You can look at the physical characteristics, habitats and environmental stressors in the Gulf. Sea surface currents, bottom sediments, hurricane track density and all of the known locations of coral are shown in the atlas.

You will also be able to see how people use the Gulf for recreational fishing, shrimp trawling and major oil and gas development. The areas set aside for coastal and marine protection have been included as well. Continue reading »

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Ocean Conservancy’s Recipe for Gulf Restoration

Posted On May 29, 2013 by

credit — NOAA

Restoring the environment is a lot like planning what to cook. A coral reef restoration project and a pie both have a recipe for success. Using a good plan, or recipe, helps to create a product we can’t possibly pull off by ourselves. My latest culinary triumph, a delicious (if I do say so myself) chocolate silk pie made from a recipe featured in a cooking magazine, looked tantalizing, but frighteningly labor intensive. Because it had a lot of detailed steps, I was nervous about making a mistake and ruining some pretty expensive ingredients, but in the end I took the plunge. Unfortunately, the RESTORE Act Council has not taken the plunge into creating a detailed recipe for restoration of the Gulf of Mexico. It is still missing some important ingredients.

Developing a comprehensive restoration plan for the Gulf of Mexico is not unlike baking a chocolate silk pie. It’s complicated. There are a lot of steps, the ingredients and the sequence you incorporate them matters, and the preparation is just as important as the baking itself. I couldn’t just go to the Piggly Wiggly and throw stuff in the cart. Leaving out key ingredients is the surest way to sorrow. You avoid disaster by having a detailed plan. If you pay attention to the recipe and ensure that you have everything you need on hand, you can tackle pretty much anything and be reasonably confident of an edible outcome.

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