#Jaws of extinction early access date skin#

But in 1950, vitamin A was synthesized and so there was no longer a need to get it from the liver oil of sharks. From approximately 1935 to 1950 on the Atlantic Coast, on the east coast of Florida, there was a dedicated shark fishery for liver oil, because that's where Vitamin A was extracted from.

#Jaws of extinction early access date skin#

Sharks were not commercially caught in any significance until approximately the 1920s, when this company called the Ocean Leather Company, started catching sharks for their skin to make leather and also collecting some fins. We manage about 40 different species of sharks.Ġ:02:12.4 JS: Now, before we get to recent history, I think it's helpful to start with a brief look at shark fisheries over the last century or so.Ġ:02:20.6 DC: Sharks have been caught recreationally in the US since at least the 19th century, if not before. And then you have sharks that go all the way across the ocean, like blue sharks or Shortfin mako. Some of our more coastal ranging species such as lemon sharks or black tip sharks. So I work on the population dynamics, life history issues, etcetera.Ġ:01:53.9 JS: And what kinds of sharks are we talking about?Ġ:01:55.9 KB: Oh, all sorts of sharks. Enric Cortés: My role has been essentially to do shark stock assessments. Enric Cortés, a senior scientist at the Southeast Fisheries Science Center.Ġ:01:45.1 Dr.

And we also include the Caribbean.Ġ:01:39.6 JS: And Dr. My guests are Karyl Brewster-Geisz, branch chief for regulations of the Atlantic HMS Management Division.Ġ:01:26.9 KB: We manage the shark, swordfish, tuna and bill fish fisheries throughout the Atlantic, from the state of Maine through the Gulf of Mexico to the state of Texas. We'll discuss the challenges to assessing shark stocks and combating the constant misinformation about sharks leading to lasting misconceptions and some of those strong public feelings that I mentioned earlier. I'm John Sheehan, and today we're discussing sharks, specifically Atlantic highly migratory sharks managed by NOAA Fisheries, which has been doing so successfully for 30 years.

And in the intervening decades, sharks have grown no less popular or polarizing, in the words of one of my guests.Ġ:00:41.5 Karyl Brewster-Geisz: Everybody has a strong opinion about sharks.Ġ:00:44.2 JS: And as is often the case, when strong emotions are involved, the conversation about how sharks are handled and managed can itself get pretty muddled. The '75 Spielberg film actually contributed to conditions that led the federal government to create an Atlantic shark management plan in 1993. They're beloved, feared, revered and reviled and hold a distinct place in our imaginations and culture.Ġ:00:14.4 S3: This shark, swallow you whole.Ġ:00:17.9 S5: You're gonna need a bigger boat.Ġ:00:22.5 JS: By the way, I don't invoke jaws lightly here. Atlantic Sharks: 30 Years of Successes and LessonsĠ:00:00.0 John Sheehan: Sharks inspire strong, even visceral reactions in people.