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Author: David Shiffman

The red snapper controversy: Interviews with fishermen

Posted on May 31, 2010 By David Shiffman 2 Comments on The red snapper controversy: Interviews with fishermen
Conservation, Science

New proposed regulations for the red snapper fishery have  conservationists celebrating and fishermen marching on Washington, DC in protest. Quota reductions are some of the most extreme and far-reaching  I’ve ever come across. A huge area of the ocean (over 10,000 square miles) has been targeted for closure of not just the red snapper fishery… but all “bottom fishing” of the 73 species in the snapper-grouper management complex. According to the South Atlantic Fisheries Management Council, such severe regulations are necessary because of the degree of overfishing that has been occurring (8 times the sustainable level since 1970). As a result of this overfishing, the stock is also considered to be seriously overfished- the National Marine Fisheries Service estimates that current stocks are 3% of target size. A total area closure is necessary, according to the SAFMC, because even accidental bycatch of red snapper while trying to catch other snapper-grouper complex fishes can seriously impact such a reduced population. Since these fish live in relatively deep water, they often die after being released. Finally, an 87% reduction in red snapper mortality needs to occur over many years (possibly decades) to rebuild stocks. These regulations are in place right now via a process called “the interim rule”, and meetings will take place later this year to determine if they should remain in place.

Because of the controversy surrounding this topic, SAFMC science personnel were unable to be interviewed. However, . Zack Bowen, a charter boat operator from Savannah, Georgia, and Blaine Dickenson, a recreational fishermen and SAFMC advisor, agreed to participate.

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Hawaii shark fin bill signed into law!

Posted on May 30, 2010May 30, 2010 By David Shiffman 3 Comments on Hawaii shark fin bill signed into law!
Conservation, Science

A few days ago, Governor Linda Lingle of Hawaii signed the recently passed shark fin bill into law. Starting on July 1 of 2011 it will be illegal to possess or sell shark fins within the state of Hawaii. Though this law, the strongest shark protection law in North America, is a huge success, we … Read More “Hawaii shark fin bill signed into law!” »

Elasmobranch diversity

Posted on May 26, 2010May 26, 2010 By David Shiffman 4 Comments on Elasmobranch diversity
Science

Three weeks ago, the South Carolina Department of Natural Resources COASTSPAN survey started it’s 2010 season. I was thrilled- it had been far too long since I was out on a boat catching sharks. The weather report looked good, and our scheduled sample site was only a few miles from where we set the DNR record for most sharks caught in a day (248). On paper, it looked like it was going to be a pretty good day. As it turned out, it was a great day. As we hauled in the first set of the first day of the season, something in the net caught my eye. Despite sampling in this exact location a dozen times before, despite years of working with sharks and two decades of loving sharks, we caught a species that I had never seen before. The smooth dogfish pup, only a few weeks old, made his species the fiftieth I have ever seen. In honor of this occasion, here is a brief excerpt from my upcoming shark conservation book, including pictures of me with some of the 50 species I’ve encountered. Enjoy!

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Are sandbar sharks more like bowhead whales or cod?

Posted on May 24, 2010December 20, 2011 By David Shiffman 1 Comment on Are sandbar sharks more like bowhead whales or cod?
Conservation, Science

ResearchBlogging.org

At first glance, the question posed in the title seems silly. Both cod and sandbar sharks are fish, therefore they must be more similar to each other than either are to bowhead whales (which are mammals). However, a recent conservation genetics paper has demonstrated that one aspect of a sandbar shark’s life history is  more similar to that of bowhead whales: both sandbar sharks and bowhead whales have an effective size that is very similar to their census size.

 

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Monday morning blogaerobics: shark news roundup and a message from Antarctica

Posted on May 24, 2010May 24, 2010 By David Shiffman
Science

In the last few weeks, I’ve been busy with final exams and the start of my field season. Fortunately, many of the other shark bloggers have written about the important topics I’ve missed. RTSea and Underwater Thrills both have written about how the Gulf oil spill can affect whale sharks, which are filter feeders who … Read More “Monday morning blogaerobics: shark news roundup and a message from Antarctica” »

Does fast-forwarding through commercials hurt advertisers?

Posted on May 22, 2010 By David Shiffman 12 Comments on Does fast-forwarding through commercials hurt advertisers?
Popular Culture, Science

ResearchBlogging.org

A few weeks ago, my co-bloggers were doubtful that it is possible to watch 36 hours of television in a week. The main factor that makes television viewing on this scale possible for me is the DVR, which allows

me to tape two shows simultaneously. It also allows me to easily fast-forward through commercials, and  because of the DVR,  the only commercials I see anymore are when I’m watching live sports. While the ability to easily record a show and watch it later (and fast forward through commercials as you watch it later) has improved the quality of life for my roommates and me, I’ve often wondered how it affects advertisers. After all, it’s their money that pays for my favorite shows.

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Bacon Blog Wars part deux: Dubba Dow!

Posted on May 21, 2010May 21, 2010 By David Shiffman
Uncategorized

Andrew just said the magic words- “There’s been far too much Science around here lately, and not nearly as much Southern Fried.”

Those of you who follow me on Twitter already know that I recently earned the honor of being one of the first three people in Charleston to try KFC’s new Double Down. The other two were friends of mine. What is the Double Down, you ask? It’s a sandwich with “so much flavor that there’s no room for bread”.  It’s cheese, bacon, and sauce in between two slices of fried chicken.

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Last year’s Shark Week coverage

Posted on May 21, 2010 By David Shiffman 2 Comments on Last year’s Shark Week coverage
Popular Culture, Science

The online shark science community has been critical of the Discovery Channel’s “Shark Week” in the past because some of the documentaries promote fear of sharks at a time when we should be promoting respect and conservation. According to the Dorsal Fin blog, this year is looking like it will bring us more of the same, though one particular story won’t be covered because it happened so recently.  Since Shark Week is starting to be discussed again by the blogosphere, I am re-posting all of last year’s Shark Week coverage. This includes an interview with the Discovery Channel’s Senior Science Editor (originally here), a detailed evaluation of each of the Shark Week specials (originally here), and ten suggestions for how to improve future Shark Week programming (originally here). All of the original comments are preserved at the old site.

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Scientia Pro Publica #30

Posted on May 17, 2010 By David Shiffman 5 Comments on Scientia Pro Publica #30
Science

I am proud to host the latest edition of Scientia Pro Publica, a blog carnival that celebrates that best science, medicine, and nature writing aimed at the general public. Biology/Evolution/Conservation Melissa from Out Walking the Dog invites you to celebrate Bird Neck Appreciation Day. Learn how and why bird necks are so flexible and diverse. … Read More “Scientia Pro Publica #30” »

WhySharksMatter attends an offshore drilling public hearing

Posted on May 16, 2010 By David Shiffman
Conservation

A few weeks ago, I attended a public hearing about offshore oil drilling here in Charleston. I filmed the public comment period, and several participants agreed to be interviewed after the hearing ended. I have over 3 hours of footage if anyone is curious about what didn’t make the final cut. Interestingly, only a few participants lived in South Carolina. Oil companies and conservation NGO’s sent people from their Washington, DC headquarters. Most of the people who spoke were affiliated with a conservation NGO or an oil company or conservation NGO, but the unaffiliated individuals (residents of South Carolina) who spoke were all opposed to offshore drilling.

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