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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?
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
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” »
Welcome to the 33rd Edition of Scientia Pro Publica. Food – Input and Output The Agricultural Biodiversity Weblog asks “Why are there no perennial grain crops?” Meanwhile, on the consumption side of agriculture, Akshatrathi looks into the details of molecular gastronomy. Finally, The Rational Conservationist looks at revolutionary techniques in hazardous waste mitigation. I need … Read More “Scientia Pro Publica 33” »
“In 2002, ocean explorer Gale Mead was the first person to see and film the profusion of life 200 feet down on Salt Dome Seamount — just 16 miles from where the BP oil well is now gushing out of control. Mead (daughter of oceanographer Sylvia Earle) describes the corals and fish she saw and … Read More “Off The Deep End – Oil From the BP Well Threatens Life on a Nearby Seamount” »
Charlie hangs out with the John Rock Lumberjack.