Articles | Volume 16, issue 6
Biogeosciences, 16, 1343–1360, 2019
Biogeosciences, 16, 1343–1360, 2019
Research article
01 Apr 2019
Research article | 01 Apr 2019

Plant responses to volcanically elevated CO2 in two Costa Rican forests

Robert R. Bogue et al.

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Cited articles

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Aiuppa, A., Caleca, A., Federico, C., Gurrieri, S., and Valenza, M.: Diffuse degassing of carbon dioxide at Somma–Vesuvius volcanic complex (Southern Italy) and its relation with regional tectonics, J. Volcanol. Geotherm. Res., 133, 55–79,, 2004. 
Alvarado, G. E., Carr, M. J., Turrin, B. D., Swisher, C. C., Schmincke, H.-U., and Hudnut, K. W.: Recent volcanic history of Irazú volcano, Costa Rica: Alternation and mixing of two magma batches, and pervasive mixing, in: Special Paper 412, Volcanic Hazards in Central America, vol. 412, Geological Society of America, 259–276, 2006. 
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Short summary
This study examined rainforest responses to elevated CO2 coming from volcanoes in Costa Rica. Comparing tree species, we found that leaf function responded when exposed to increasing CO2 levels. The chemical signature of volcanic CO2 is different than background CO2. Trees exposed to volcanic CO2 also had chemical signatures which showed the influence of volcanic CO2: trees not only breathe in and are made of volcanic CO2 but also retain that exposure history for decades.
Final-revised paper