Articles | Volume 11, issue 23
Biogeosciences, 11, 6509–6523, 2014
https://doi.org/10.5194/bg-11-6509-2014

Special issue: Impacts of extreme climate events and disturbances on carbon...

Biogeosciences, 11, 6509–6523, 2014
https://doi.org/10.5194/bg-11-6509-2014

Research article 01 Dec 2014

Research article | 01 Dec 2014

Contrasting effects of invasive insects and fire on ecosystem water use efficiency

K. L. Clark et al.

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Cited articles

Allen, S. E. (Ed.): Chemical Analysis of Ecological Materials, Blackwell Scientific Publications, Oxford, 384 pp., 1989.
Allstadt, A. J., Haynes, K. J., Liebhold, A. M., and Johnson, D. M.: Long-term shifts in the cyclicity of outbreaks of a forest-defoliating insect, Oecologia, 172, 141–151, 2013.
Biederman, J. A., Harpold, A. A., Gochis, D. J., Ewers, B. E., Reed, D. E., Papuga, S. A., and Brooks, P. D.: Increased evaporation following widespread tree mortality limits streamflow response, Water Resour. Res., 50, 5395–5409, 2014.
Binford, M. W., Gholz, H. L., Starr, G., and Martin, T. A.: Regional carbon dynamics in the southeastern US coastal plain: Balancing land cover type, timber harvesting, fire, and environmental variation, J. Geophys. Res.-Atmos., 111, D24S92, https://doi.org/10.1029/2005JD006820, 2006.
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Eddy covariance and biometric measurements were used to contrast the effects of defoliation by gypsy moth and prescribed fire on net CO2 exchange (NEE) and ecosystem water use efficiency (WUEe) in three forests in the New Jersey Pinelands, USA. Defoliation reduced long-term NEE and WUEe, while prescribed burning had little effect. Our results suggest that WUEe following disturbance is dependent on its impact on the N status of canopy foliage, in addition to time since disturbance.
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