Index Catalog // ScholarsArchive@OSU

Evaluating theories of drought-induced vegetation mortality using a multimodel– experiment framework

Creator:: McDowell, Nate G., Gehres, Nathan, Limousin, Jean Marc, Macalady, Alison, Martínez-Vilalta, Jordi, Mencuccini, Maurizio, Plaut, Jennifer A., Ogée, Jérôme, Robert E., Pangle, Rasse, Daniel P., Ryan, Michael G., Fisher, Rosie A., Sevanto, Sanna, Waring, Richard H., Williams, A. Park, Yepez, Enrico A., Pockman, William T., Xu, Chonggang, Domec, Jean-Christophe, Holtta, Teemu, Mackay, D. Scott, Sperry, John S., Boutz, Amanda, and Dickman, Lee
Abstract:: Model–data comparisons of plant physiological processes provide an understanding of mechanisms underlying vegetation responses to climate. We simulated the physiology of a pi~non pine–juniper woodland (Pinus edulis–Juniperus monosperma) that experienced mortality during a 5 yr precipitation-reduction experiment, allowing a framework with which to examine our knowledge of drought-induced tree mortality....
Resource Type:: Article
Full Text:: Evaluating theories of drought-induced vegetation mortality using a multimodel– experiment framework Author

Testing the metabolic theory of ecology

Creator:: Price, Charles A., Weitz, Joshua S., Savage, Van M., Stegen, James, Clarke, Andrew, Coomes, David A., Dodds, Peter S., Etienne, Rampal S., Kerkhoff, Andrew J., McCulloh, Katherine, Niklas, Karl J., Olff, Han, and Swenson, Nathan G.
Abstract:: The metabolic theory of ecology (MTE) predicts the effects of body size and temperature on metabolism through considerations of vascular distribution networks and biochemical kinetics. MTE has also been extended to characterise processes from cellular to global levels. MTE has generated both enthusiasm and controversy across a broad range of...
Resource Type:: Article
Full Text:: IS Testing the metabolic theory of ecology Charles A. Price,1* Joshua S Weitz,2,3* Van M. Savage

Genome resequencing reveals multiscale geographic structure and extensive linkage disequilibrium in the forest tree Populus trichocarpa

Creator:: Slavov, Gancho T., DiFazio, Stephen P., Martin, Joel, Schackwitz, Wendy, Muchero, Wellington, Rodgers-Melnick, Eli, Lipphardt, Mindie F., Pennacchio, Christa P., Hellsten, Uffe, Pennacchio, Len A., Gunter, Lee E., Ranjan, Priya, Vining, Kelly, Pomraning, Kyle R., Wilhelm, Larry J., Pellegrini, Matteo, Mockler, Todd C., Freitag, Michael, Geraldes, Armando, El-Kassaby, Yousry A., Mansfield, Shawn D., Cronk, Quentin C. B., Douglas, Carl J., Strauss, Steven H., Rokhsar, Dan, and Tuskan, Gerald A.
Abstract:: •Plant population genomics informs evolutionary biology, breeding, conservation and bioenergy feedstock development. For example, the detection of reliable phenotype–genotype associations and molecular signatures of selection requires a detailed knowledge about genome-wide patterns of allele frequency variation, linkage disequilibrium and recombination. •We resequenced 16 genomes of the model tree Populus trichocarpa...
Resource Type:: Article
Full Text:: Rodgers-Melnick1, Mindie F. Lipphardt1, Christa P. Pennacchio3, Uffe Hellsten3, Len A. Pennacchio3, Lee E

Short-term response of Dicamptodon tenebrosus larvae to timber management in southwestern Oregon

Creator:: Leuthold, Niels, Adams, Michael J., and Hayes, John P.
Abstract:: In the Pacific Northwest, previous studies have found a negative effect of timber management on the abundance of stream amphibians, but results have been variable and region specific. These studies have generally used survey methods that did not account for differences in capture probability and focused on stands that were...
Resource Type:: Article
Full Text:: JOHN P. HAYES, Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL

Asymmetrical effects of mesophyll conductance on fundamental photosynthetic parameters and their relationships estimated from leaf gas exchange measurements

Creator:: Sun, Ying, Gu, Lianhong, Dickinson, Robert E., Pallardy, Stephen G., Baker, John, Cao, Yonghui, Murilo DaMatta, Fábio, Dong, Xuejun, Ellsworth, David, Van Goethem, Davina, Jensen, Anna M., Law, Beverly E., Loos, Rodolfo, Vitor Martins, Samuel C., Norby, Richard J., Warren, Jeffrey, Weston, David, and Winter, Klaus
Abstract:: Worldwide measurements of nearly 130C3 species covering all major plant functional types are analysed in conjunction with model simulations to determine the effects of mesophyll conductance (gm) on photosynthetic parameters and their relationships estimated from A/Ci curves. We find that an assumption of infinite gm results in up to 75%...
Resource Type:: Article

Satellite observed widespread decline in Mongolian grasslands largely due to overgrazing

Creator:: Hilker, Thomas, Natsagdorj, Enkhjargal, Waring, Richard H., Lyapustin, Alexei, and Wang, Yujie
Abstract:: The Mongolian Steppe is one of the largest remaining grassland ecosystems. Recent studies have reported widespread decline of vegetation across the steppe and about 70% of this ecosystem is now considered degraded. Among the scientific community there has been an active debate about whether the observed degradation is related to...
Resource Type:: Article

Do network relationships matter? Comparing network and instream habitat variables to explain densities of juvenile coho salmon (Oncorhynchus kisutch) in mid-coastal Oregon, USA

Creator:: Flitcroft, Rebecca L., Burnett, Kelly M., Reeves, Gordon H., and Ganio, Lisa M.
Abstract:: 1. Aquatic ecologists are working to develop theory and techniques for analysis of dynamic stream processes and communities of organisms. Such work is critical for the development of conservation plans that are relevant at the scale of entire ecosystems. The stream network is the foundation upon which stream systems are...
Resource Type:: Article
Full Text:: , nutrients, and physical materials such as wood and substrate. Analysing streams as networks offers a

A numerical study of the transverse modulus of wood as a function of grain orientation and properties

Creator:: Nairn, John A.
Abstract:: Finite element analysis was used to study the effective transverse modulus of solid wood for all possible end-grain patterns. The calculations accounted for cylindrical anisotropy of wood within rectangular specimens and explicitly modeled wood as a composite of earlywood and latewood. The effective modulus was significantly reduced by growth ring...
Resource Type:: Article
Full Text:: properties John A. Nairn* Wood Science & Engineering, Oregon State University, Corvallis, OR, USA

Generalized crack closure analysis for elements with arbitrarily-placed side nodes and consistent nodal forces

Creator:: Nairn, John A.
Abstract:: A new approach was developed for the evaluation of energy release rate by the virtual crack closure technique in quadratic and linear elements. The generalized method allows arbitrary placement of the side nodes for quadratic elements and thus includes both standard elements, with mid-side nodes, and singularity elements, with quarter-point...
Resource Type:: Article
Full Text:: Arbitrarily-Placed Side Nodes and Consistent Nodal Forces John A. Nairn Received: 30 March 2011 / Accepted

Scholars Archive: a useful repository for 35mm forestry slides

Creator:: Walstad, John D.
Abstract:: Keywords: Digital repositories, Institutional repositories
Resource Type:: Presentation

ScholarsArchive@OSU

Evaluating theories of drought-induced vegetation mortality using a multimodel– experiment framework

Testing the metabolic theory of ecology

Genome resequencing reveals multiscale geographic structure and extensive linkage disequilibrium in the forest tree Populus trichocarpa

Short-term response of Dicamptodon tenebrosus larvae to timber management in southwestern Oregon

Asymmetrical effects of mesophyll conductance on fundamental photosynthetic parameters and their relationships estimated from leaf gas exchange measurements

Satellite observed widespread decline in Mongolian grasslands largely due to overgrazing

Do network relationships matter? Comparing network and instream habitat variables to explain densities of juvenile coho salmon (Oncorhynchus kisutch) in mid-coastal Oregon, USA

A numerical study of the transverse modulus of wood as a function of grain orientation and properties

Generalized crack closure analysis for elements with arbitrarily-placed side nodes and consistent nodal forces

Scholars Archive: a useful repository for 35mm forestry slides

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