Steadman - Sea-level for the Past 140,000 Years From...

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Unformatted text preview: Sea-level for the Past 140,000 Years From Lambeck & Chappell (2001) Obj100 PREHISTORIC VS. MODERN LANDBIRDS MANGAIA, COOK ISLANDS (area 52 km2, elevation 169 m) Prehistoric Modern HERONS DUCKS RAILS SANDPIPERS PIGEONS, DOVES PARROTS SWIFTS KINGFISHERS WARBLERS 2 1 5 1 5 3 1 1 1 1 1 1 ----1 1 Total Species 20 5 Western Polynesia Tonga AMS 14C dates (95% C.I.) Excavation Unit 10, Tongoleleka site, Lifuka Island, Tonga Stratum Number of AMS 14 C dates Conventional 14 C age (yr BP) Calibrated 14 C age (Cal BP) IIA 2 2690 ±0 3 2850 - 2760 IIB/IIC 5 2700 ±0 2 2840 - 2760 III 3 2660 ±0 2 2780 - 2750 III/IV 8 2760 ±0 2 2880 - 2790 Sea-level for the Past 7,000 Years From Lambeck & Chappell (2001) Obj103 PREHISTORIC VS. MODERN LANDBIRDS LIFUKA, TONGA (area 11.4 km2, elevation 16 m) Obj105 Obj104 Modern (R2 = 0.56, P = 0.031) z=0.069 Prehistoric (R2 = 0.26, P = 0.138) Modern + Prehistoric N.S. Prehistoric vs. NISP (R2 = 0.93, P = 0.0003) Cumulative Species Richness vs. NISP Average Number of Species Prehistoric species per sample size (subplots = number of islands) based on random resampling of the prehistoric species data (sample-based 40 Species 20 0 1 3 5 Number of Subplots 7 ...
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Steadman - Sea-level for the Past 140,000 Years From...

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