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Title: Patterns and causes of observed piñon pine mortality in the southwestern United States

Abstract

Summary Recently, widespread piñon pine die‐off occurred in the southwestern United States. Here we synthesize observational studies of this event and compare findings to expected relationships with biotic and abiotic factors. Agreement exists on the occurrence of drought, presence of bark beetles and increased mortality of larger trees. However, studies disagree about the influences of stem density, elevation and other factors, perhaps related to study design, location and impact of extreme drought. Detailed information about bark beetles is seldom reported and their role is poorly understood. Our analysis reveals substantial limits to our knowledge regarding the processes that produce mortality patterns across space and time, indicating a poor ability to forecast mortality in response to expected increases in future droughts. Contents Summary 91 I. Introduction 91 II. Mortality mechanisms 92 III. Methods 92 IV. Results 92 V. Discussion 94 VI. Conclusions 96 Acknowledgements 96 References 96

Authors:
 [1];  [1];  [2];  [1];  [1];  [3]
  1. Department of Geography University of Idaho Moscow ID 83844‐3021 USA
  2. School of Geography and Development and Laboratory of Tree‐Ring Research University of Arizona Tucson AZ 85721‐0076 USA
  3. US Geological Survey Fort Collins Science Center Jemez Mountains Field Station Los Alamos NM 87544 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1778394
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
New Phytologist
Additional Journal Information:
Journal Name: New Phytologist Journal Volume: 206 Journal Issue: 1; Journal ID: ISSN 0028-646X
Publisher:
Wiley-Blackwell
Country of Publication:
United Kingdom
Language:
English

Citation Formats

Meddens, Arjan J. H., Hicke, Jeffrey A., Macalady, Alison K., Buotte, Polly C., Cowles, Travis R., and Allen, Craig D. Patterns and causes of observed piñon pine mortality in the southwestern United States. United Kingdom: N. p., 2014. Web. doi:10.1111/nph.13193.
Meddens, Arjan J. H., Hicke, Jeffrey A., Macalady, Alison K., Buotte, Polly C., Cowles, Travis R., & Allen, Craig D. Patterns and causes of observed piñon pine mortality in the southwestern United States. United Kingdom. https://doi.org/10.1111/nph.13193
Meddens, Arjan J. H., Hicke, Jeffrey A., Macalady, Alison K., Buotte, Polly C., Cowles, Travis R., and Allen, Craig D. Mon . "Patterns and causes of observed piñon pine mortality in the southwestern United States". United Kingdom. https://doi.org/10.1111/nph.13193.
@article{osti_1778394,
title = {Patterns and causes of observed piñon pine mortality in the southwestern United States},
author = {Meddens, Arjan J. H. and Hicke, Jeffrey A. and Macalady, Alison K. and Buotte, Polly C. and Cowles, Travis R. and Allen, Craig D.},
abstractNote = {Summary Recently, widespread piñon pine die‐off occurred in the southwestern United States. Here we synthesize observational studies of this event and compare findings to expected relationships with biotic and abiotic factors. Agreement exists on the occurrence of drought, presence of bark beetles and increased mortality of larger trees. However, studies disagree about the influences of stem density, elevation and other factors, perhaps related to study design, location and impact of extreme drought. Detailed information about bark beetles is seldom reported and their role is poorly understood. Our analysis reveals substantial limits to our knowledge regarding the processes that produce mortality patterns across space and time, indicating a poor ability to forecast mortality in response to expected increases in future droughts. Contents Summary 91 I. Introduction 91 II. Mortality mechanisms 92 III. Methods 92 IV. Results 92 V. Discussion 94 VI. Conclusions 96 Acknowledgements 96 References 96},
doi = {10.1111/nph.13193},
journal = {New Phytologist},
number = 1,
volume = 206,
place = {United Kingdom},
year = {Mon Dec 15 00:00:00 EST 2014},
month = {Mon Dec 15 00:00:00 EST 2014}
}

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