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Drought predisposes piñon–juniper woodlands to insect attacks and mortality
Open accessAbstract
Summary: To test the hypothesis that drought predisposes trees to insect attacks, we quantified the effects of water availability on insect attacks, tree resistance mechanisms, and mortality of mature piñon pine (Pinus edulis) and one‐seed juniper (Juniperus monosperma) using an experimental drought study in New Mexico, USA. The study had four replicated treatments (40 × 40 m plot/replicate): removal of 45% of ambient annual precipitation (H 2 O−); irrigation to produce 125% of ambient annual precipitation (H 2 O+); a drought control (C) to quantify the impact of the drought infrastructure; and ambient precipitation (A). Piñon began dying 1 yr after drought initiation, with higher mortality in the H 2 O− treatment relative to other treatments. Beetles (bark/twig) were present in 92% of dead trees. Resin duct density and area were more strongly affected by treatments and more strongly associated with piñon mortality than direct measurements of resin flow. For juniper, treatments had no effect on insect resistance or attacks, but needle browning was highest in the H 2 O− treatment. Our results provide strong evidence that ≥ 1 yr of severe drought predisposes piñon to insect attacks and increases mortality, whereas 3 yr of the same drought causes partial canopy loss in juniper.
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Allen, C. D., Macalady, A. K., Chenchouni, H., Bachelet, D., McDowell, N., Vennetier, M., Kitzberger, T., Rigling, A., Breshears, D. D., Hogg, E. H. (., et al. (2010) · Forest Ecology and Management · doi:10.1016/j.foreco.2009.09.001 · Cited by 7,763
Self-citationTemperature as a potent driver of regional forest drought stress and tree mortality
Park Williams, A., Allen, C. D., Macalady, A. K., Griffin, D., Woodhouse, C. A., Meko, D. M., Swetnam, T. W., Rauscher, S. A., Seager, R., Grissino-Mayer, H. D., et al. (2013) · Nature Climate Change · doi:10.1038/nclimate1693 · Cited by 1,991
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Cited by
Forest disturbances under climate change
Seidl, R., Thom, D., Kautz, M., Martin-Benito, D., Peltoniemi, M., Vacchiano, G., Wild, J., Ascoli, D., Petr, M., Honkaniemi, J., et al. (2017) · Nature Climate Change · doi:10.1038/nclimate3303 · Cited by 2,878
Evaluating theories of drought‐induced vegetation mortality using a multimodel–experiment framework
McDowell, N. G., Fisher, R. A., Xu, C., Domec, J. C., Hölttä, T., Mackay, D. S., Sperry, J. S., Boutz, A., Dickman, L., Gehres, N., et al. (2013) · New Phytologist · doi:10.1111/nph.12465 · Cited by 420
Self-citationObserved and anticipated impacts of drought on forest insects and diseases in the United States
Kolb, T. E., Fettig, C. J., Ayres, M. P., Bentz, B. J., Hicke, J. A., Mathiasen, R., Stewart, J. E., & Weed, A. S. (2016) · Forest Ecology and Management · doi:10.1016/j.foreco.2016.04.051 · Cited by 409
Self-citationLévesque, M., Saurer, M., Siegwolf, R., Eilmann, B., Brang, P., Bugmann, H., & Rigling, A. (2013) · Global Change Biology · doi:10.1111/gcb.12268 · Cited by 355
Metadata
- Authors
- Gaylord, M. L., Kolb, T. E., Pockman, W. T., Plaut, J. A., Yepez, E. A., Macalady, A. K., Pangle, R. E., & McDowell, N. G.
- Venue
- New Phytologist
- Publisher
- Wiley
- Published
- 2013-02-20
- Volume
- 198
- Issue
- 2
- Pages
- 567-578
- ISSN
- 0028-646X (ISSN-L)
- 1469-8137
- OpenAlex
- W2169725077
- Cited by
- 298
- References
- 2
- FWCI
- 25.04
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Gaylord, M. L., Kolb, T. E., Pockman, W. T., Plaut, J. A., Yepez, E. A., Macalady, A. K., Pangle, R. E., & McDowell, N. G. (2013). Drought predisposes piñon–juniper woodlands to insect attacks and mortality. New Phytologist. https://doi.org/10.1111/nph.12174
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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