Charlie helps WhySharksMatter measure two Atlantic sharpnose sharks by using himself for scale. Atlantic sharpnose sharks are by far the most common species that the SCDNR shark survey finds, and these males are almost full grown. SSV Robert C. Seamans
The extent of migration among populations drives population structure. With enough migration, populations become homogeneous and behave as a single larger population. As migration rates decrease, populations drift apart and become differentiated. By measuring the amount of differentiation, we can determine the extent of migration between them. But what happens when there are unsampled populations also exchanging migrants?
Charlie helps WhySharksMatter measure a pregnant bonnethead shark by using himself for scale. This bonnethead is fully grown.
An awesome short introduction to how celestial navigation works. Hat tip: @SEA_Cramer (which happens to be my very favorite tall ship) ~Southern Fried Scientist
Charlie helps WhySharksMatter and South Carolina Department of Natural Resources scientists count, measure, and tag newborn sharks like this scalloped hammerhead pup. This data is vital for shark management plans. Charlie uses himself for scale to show how small these animals are when they are young. Scalloped hammerheads can grow to more than 10 feet … Read More “Charlie and the Adventure: June 23, 2010” »
This is what 60 days of oil pouring into the Gulf of Mexico looks like. This is what reckless disregard for safety and the precautionary principle looks like. This is what irresponsible energy policy looks like. This is what the end of Gulf Coast fisheries for the foreseeable future looks like. This is what government … Read More “god damn” »
Those of you who checked our Facebook Fan Page last night may have noticed this post: Manic Monday – whoever posts comment # 1575 on the blog gets a free Southern Fried Science t-shirt. Comment must be in before 11:42 EST on June 21 and adhere to the comment policy. We’re currently within 14 comments … Read More “Manic Mondays – your chance to win some Southern Fried Science Swag” »
Finally out on the water, Charlie learns about an important marine conservation issue: bycatch. WhySharksMatter and Charlie caught 43 horseshoe crabs in our net while sampling for sharks. All of them were released unharmed after being transported a few miles from the net.