Science, Volume 309, Issues 5732-5737John Michels (Journalist) American Association for the Advancement of Science, 2005 |
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Page 288
... eggshell ( LE , n = 111 samples ; PA and DM , n = 60 ) , luminescence ages on sand grains enclosing eggshells found in eolian deposits > 40,000 years old ( n = 28 , table S5 ) , and amino acid racemization ( AAR ) in eggshell organic ...
... eggshell ( LE , n = 111 samples ; PA and DM , n = 60 ) , luminescence ages on sand grains enclosing eggshells found in eolian deposits > 40,000 years old ( n = 28 , table S5 ) , and amino acid racemization ( AAR ) in eggshell organic ...
Page 289
... eggshells ( Fig . 2 ) . Between 30 and 45 ka , mean dietary 813C decreased by t least 3.4 % ( 95 % confidence level ) , accom- panied by an even larger decrease in dietary variance , from 14.8 to 3.8 %‰ ( Fig . 2 ) . Before 10 ka ...
... eggshells ( Fig . 2 ) . Between 30 and 45 ka , mean dietary 813C decreased by t least 3.4 % ( 95 % confidence level ) , accom- panied by an even larger decrease in dietary variance , from 14.8 to 3.8 %‰ ( Fig . 2 ) . Before 10 ka ...
Page 290
... eggshells . Our eggshell and tooth 813C data provide firm evidence for an abrupt ecological shift around the time of human colonization and megafaunal extinction in Australia , about 50 to 45 ka . Climate forcing of the observed ...
... eggshells . Our eggshell and tooth 813C data provide firm evidence for an abrupt ecological shift around the time of human colonization and megafaunal extinction in Australia , about 50 to 45 ka . Climate forcing of the observed ...
Contents
287 | 217 |
the marine glass sponge genus Euplectella showing the laminated silica cement that | 219 |
LETTERS | 244 |
Copyright | |
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