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First published online May 2, 2008
Journal of Experimental Biology 211, 1535-1540 (2008)
Published by The Company of Biologists 2008
doi: 10.1242/jeb.016071
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Alternating egg-brooding behaviors create and modulate a hypoxic developmental micro-environment in Children's pythons (Antaresia childreni)

Zachary R. Stahlschmidt* and Dale F. DeNardo

School of Life Sciences, Arizona State University, Tempe, AZ 85287-460, USA


Figure 1
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Fig. 1. Egg oxygen consumption rate (VO2) from six A. childreni clutches under multiple oxygen tensions during early (dotted line), middle (solid line) and late (broken line) stages of development. Crosses indicate PO2 sub-norm, and inverted triangles indicate critical oxygen tension for each stage of development.

 

Figure 2
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Fig. 2. Example of intra-clutch PO2 (PO2clutch) during brooding at the late stage of development in A. childreni. Vertical lines denote the beginning of female postural adjustments.

 

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© The Company of Biologists Ltd 2008