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Filtering by: Academic Affiliation Forest Ecosystems and Society Remove constraint Academic Affiliation: Forest Ecosystems and Society Language English [eng] Remove constraint Language: English [eng] Peer Reviewed Yes Remove constraint Peer Reviewed: Yes Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Characterizing Community Forests in the United States

Creator:

Hajjar, Reem, McGinley, Kathleen, Charnley, Susan, Frey, Gregory E., Hovis, Meredith, Cubbage, Frederick W., Schelhas, John, and Kornhauser, Kailey

Abstract:

Research on community forests, primarily governed and managed by local forest users, in the United States is limited, despite their growth in numbers over the past decade. We conducted a survey to inventory CFs in the U.S., and better understand their ownership and governance structures, management objectives, benefits, and financing....

Resource Type:

Article
An interdisciplinary framework for evaluating 19th century landscape paintings for ecological research

Creator:

Warren, Dana R., Loeb, Harper M., Betjemann, Peter, Munck, Isabel A., Keeton, William S., Shaw, David C., and Harvey, Eleanor J.

Abstract:

As we contemplate the future of forest landscapes under changing climate conditions and land-use demands, there is increasing value in studying historic forest conditions and how these landscapes have changed following past disturbances. Historic landscape paintings are a potential source of data on preindustrial forests with highly detailed, full-color depictions...

Resource Type:

Article
Evaluating rural Pacific Northwest towns for wildfire evacuation vulnerability

Creator:

Dye, Alex W., Kim, John B., McEvoy, Andrew, Fang, Fang, and Riley, Karin L.

Abstract:

Wildfire is an annual threat for many rural communities in the Pacific Northwest region of the United States. In some severe events, evacuation is one potential course of action to gain safety from an advancing wildfire. Since most evacuations occur in a personal vehicle along the surrounding road network, the...

Resource Type:

Article
Assessing earth system model predictions of C-4 grass cover in North America: From the glacial era to the end of this century

Creator:

Still, Christopher J., Cotton, Jennifer M., and Griffith, Daniel M.

Abstract:

Aim C-4 grasses are distinct from C-3 grasses, because C-4 grasses respond in a different manner to light, temperature, CO2 and nitrogen and often have higher resource-use efficiencies. C-3 and C-4 grasses are typically represented in earth system models (ESMs) by different plant functional types (PFTs). The ability of ESMs...

Resource Type:

Article
Nature for whom? How type of beneficiary influences the effectiveness of conservation outreach messages

Creator:

Batavia, Chelsea, Bruskotter, Jeremy T., Jones, Julia A., Vucetich, John A., Gosnell, Hannah, and Nelson, Michael Paul

Abstract:

In recent years the conservation community has engaged in debate over value in nonhuman nature, especially as it relates to motivations for conservation. Many have expressed the assumption that more people are willing to support conservation when emphasis is placed on the human benefits of nonhuman nature, rather than the...

Resource Type:

Article
Carnivore conservation needs evidence-based livestock protection

Creator:

van Eeden, Lily M., Eklund, Ann, Miller, Jennifer R. B., Lopez-Bao, Jose Vicente, Chapron, Guillaume, Cejtin, Mikael R., Crowther, Mathew S., Dickman, Christopher R., Frank, Jens, Krofel, Miha, Macdonald, David W., McManus, Jeannine, Meyer, Tara K., Middleton, Arthur D., Newsome, Thomas M., Ripple, William J., Ritchie, Euan G., Schmitz, Oswald J., Stoner, Kelly J., Tourani, Mahdieh, and Treves, Adrian

Abstract:

Carnivore predation on livestock often leads people to retaliate. Persecution by humans has contributed strongly to global endangerment of carnivores. Preventing livestock losses would help to achieve three goals common to many human societies: preserve nature, protect animal welfare, and safeguard human livelihoods. Between 2016 and 2018, four independent reviews...

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Article
Recovering lost ground: Effects of soil burn intensity on nutrients and ectomycorrhiza communities of ponderosa pine seedlings

Creator:

Cowan, Ariel D., Smith, Jane E., and Fitzgerald, Stephen A.

Abstract:

Fuel accumulation and climate shifts are predicted to increase the frequency of high-severity fires in pon-derosa pine (Pinus ponderosa) forests of central Oregon. The combustion of fuels containing large downedwood can result in intense soil heating, alteration of soil properties, and mortality of microbes. Previousstudies show ectomycorrhizal fungi (EMF) improve...

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Article
Estimating heterotrophic respiration at large scales: challenges, approaches, and next steps

Creator:

Bond-Lamberty, Ben, Epron, Daniel, Harden, Jennifer, Harmon, Mark E., Hoffman, Forrest, Kumar, Jitendra, David McGuire, Anthony, and Vargas, Rodrigo

Abstract:

Heterotrophic respiration (HR), the aerobic and anaerobic processes mineralizing organic matter, is a key carbon flux but one impossible to measure at scales significantly larger than small experimental plots. This impedes our ability to understand carbon and nutrient cycles, benchmark models, or reliably upscale point measurements. Given that a new...

Resource Type:

Article
The plant phenology monitoring design for The National Ecological Observatory Network

Creator:

Elmendorf, Sarah C., Jones, Katherine D., Cook, Benjamin I., Diez, Jeffrey M., Enquist, Carolyn A. F., Hufft, Rebecca A., Jones, Matthew O., Mazer, Susan J., Miller-Rushing, Abraham J., Moore, David J. P., Schwartz, Mark D., and Weltzin, Jake F.

Abstract:

Phenology is an integrative science that comprises the study of recurring biological activities or events. In an era of rapidly changing climate, the relationship between the timing of those events and environmental cues such as temperature, snowmelt, water availability, or day length are of particular interest. This article provides an...

Resource Type:

Article
Carbon stocks and accumulation rates in Pacific Northwest forests: role of stand age, plant community, and productivity

Creator:

Gray, Andrew N., Whittier, Thomas R., and Harmon, Mark E.

Abstract:

Forest ecosystems are removing significant amounts of carbon from the atmosphere. Both abiotic resource availability and biotic interactions during forest succession affect C accumulation rates and maximum C stocks. However, the timing and controls on the peak and decline in C accumulation rates as stands age, trees increase in size,...

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Article
Regional variation in stand structure and development in forests of Oregon, Washington, and inland Northern California

Creator:

Reilly, Matthew J. and Spies, Thomas A.

Abstract:

Despite its importance to biodiversity and ecosystem function, patterns and drivers of regional scale variation in forest structure and development are poorly understood. We characterize structural variation, create a hierarchical classification of forest structure, and develop an empirically based framework for conceptualizing structural development from 11,091 plots across 25 million...

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Article
Experimental evidence that simplified forest structure interacts with snow cover to influence functional connectivity for Pacific martens

Creator:

Moriarty, Katie M., Epps, Clinton W., Betts, Matthew G., Hance, Dalton J., Bailey, J. D., and Zielinski, William J.

Abstract:

Context: Functional connectivity—the facilitation of individual movements among habitat patches—is essential for species’ persistence in fragmented landscapes. Evaluating functional connectivity is critical for predicting range shifts, developing conservation plans, and anticipating effects of disturbance, especially for species affected by climate change. Objectives: We examined whether simplifying forest structure influenced animal...

Resource Type:

Article
Modeling Sources of Teaching Self-Efficacy for Science, Technology, Engineering, and Mathematics Graduate Teaching Assistants

Creator:

DeChenne, Sue Ellen, Koziol, Natalie, Needham, Mark, and Enochs, Larry

Abstract:

Graduate teaching assistants (GTAs) in science, technology, engineering, and mathematics (STEM) have a large impact on undergraduate instruction but are often poorly prepared to teach. Teaching self-efficacy, an instructor’s belief in his or her ability to teach specific student populations a specific subject, is an important predictor of teaching skill...

Resource Type:

Article
Expression of functional traits during seedling establishment in two populations of Pinus ponderosa from contrasting climates

Creator:

Kerr, Kelly L., Meinzer, Frederick C., McCulloh, Katherine A., Woodruff, David R., and Marias, Danielle E.

Abstract:

First-year tree seedlings represent a particularly vulnerable life stage and successful seedling establishment is crucial for forest regeneration. We investigated the extent to which Pinus ponderosa P. & C. Lawson populations from different climate zones exhibit differential expression of functional traits that may facilitate their establishment. Seeds from two populations...

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Article
American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

Creator:

Shinderman, Matt

Abstract:

In 2010, the American pika (Ochotona princeps fenisex) was denied federal protection based on limited evidence of persistence in low-elevation environments. Studies in nonalpine areas have been limited to relatively few environments, and it is unclear whether patterns observed elsewhere (e.g., Bodie, CA) represent other nonalpine habitats. This study was...

Resource Type:

Article
American pika in a low-elevation lava landscape: expanding the known distribution of a temperature-sensitive species

Creator:

Shinderman, Matt

Abstract:

In 2010, the American pika (Ochotona princeps fenisex) was denied federal protection based on limited evidence of persistence in low-elevation environments. Studies in nonalpine areas have been limited to relatively few environments, and it is unclear whether patterns observed elsewhere (e.g., Bodie, CA) represent other nonalpine habitats. This study was...

Resource Type:

Article
Managing for climate change on federal lands of the western United States: perceived usefulness of climate science, effectiveness of adaptation strategies, and barriers to implementation

Creator:

Kemp, Kerry B., Blades, Jarod J., Klos, P. Zion, Hall, Troy E., Force, Jo Ellen, Morgan, Penelope, and Tinkham, Wade T.

Abstract:

Recent mandates in the United States require federal agencies to incorporate climate change science into land management planning efforts. These mandates target possible adaptation and mitigation strategies. However, the degree to which climate change is actively being considered in agency planning and management decisions is largely unknown. We explored the...

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Article
Uncertainty analysis: an evaluation metric for synthesis science

Creator:

Harmon, Mark E., Fasth, Becky, Halpern, Charles B., and Lutz, James A.

Abstract:

The methods for conducting reductionist ecological science are well known and widely used. In contrast, those used in the synthesis of ecological science (i.e., synthesis science) are still being developed, vary widely, and often lack the rigor of reductionist approaches. This is unfortunate because the synthesis of ecological parts into...

Resource Type:

Article
Forest-floor Disturbance Reduces Chipmunk (Tamias spp.) Abundance Two Years after Variable-retention Harvest of Pacific Northwestern Forests

Creator:

Wilk, Randall J., Harrington, Timothy B., Gitzen, Robert A., and Maguire, Chris C.

Abstract:

We evaluated the two-year effects of variable-retention harvest on chipmunk (Tamias spp.) abundance (Nˆ ) and habitat in mature coniferous forests in western Oregon and Washington because wildlife responses to density/pattern of retained trees remain largely unknown. In a randomized complete-block design, six treatments were applied to 13-ha units at...

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Article
Exploring the phylogenetic affiliations and the trophic mode of Sedecula pulvinata (Sedeculaceae)

Creator:

Trappe, Matthew J., Smith, Matthew E., and Hobbie, Erik A.

Abstract:

Sedecula is a monotypic genus of hypogeous fungi that is rare and endemic to dry conifer forests of the western United States. The only known species, Sedecula pulvinata, was described in 1941 and its taxonomic placement and trophic status have remained uncertain ever since. Here we employ isotopic and molecular...

Resource Type:

Article and Preprint
A tapetal ablation transgene induces stable male sterility and slows field growth in Populus

Creator:

Elorriaga, Estefania, Meilan, Richard, Ma, Cathleen, Skinner, Jeffrey S., Etherington, Elizabeth, Brunner, Amy, and Strauss, Steven H.

Abstract:

The field performance of genetic containment technologies–considered important for certain uses of transgenic trees in forestry–is poorly known. We tested the efficiency of a barnase gene driven by the TA29 tapetum-dominant promoter for influencing growth rate and inducing male sterility in a field trial of transgenic hybrid poplar (Populus tremula × Populus...

Resource Type:

Article
Precipitation and winter temperature predict long-term range-scale abundance changes in Western North American birds

Creator:

Illán, Javier Gutiérrez, Thomas, Chris D., Jones, Julia A., Wong, Weng-Keen, Shirley, Susan M., and Betts, Matthew G.

Abstract:

Predicting biodiversity responses to climate change remains a difficult challenge, especially in climatically complex regions where precipitation is a limiting factor. Though statistical climatic envelope models are frequently used to project future scenarios for species distributions under climate change, these models are rarely tested using empirical data. We used long-term...

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Article
Acceptance, Acceptability, and Trust for Sagebrush Restoration Options in the Great Basin: A Longitudinal Perspective

Creator:

Gordon, Ryan, Brunson, Mark W., and Shindler, Bruce

Abstract:

In surveys of residents in three urban and three rural locations in the Great Basin we examined the social acceptability of six management practices showing promise for restoring sagebrush-dominated rangelands. Unlike most studies of range management perceptions that have relied on single measurements, we used longitudinal data from a questionnaire...

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Article
Multi-scale spatial controls of understory vegetation in Douglas-fir–western hemlock forests of western Oregon, USA

Creator:

Burton, Julia I., Ganio, Lisa M., and Puettmann, Klaus J.

Abstract:

Forest understory vegetation is influenced by broad-scale variation in climate, intermediate-scale variation in topography, disturbance and neighborhood interactions. However, little is known about how these multi-scale controls interact to influence observed spatial patterns. We examined relationships between the aggregated cover of understory plant species (%C[subscript U]) and multi-scale controls using...

Resource Type:

Article
Post-fire tree establishment and early cohort development in conifer forests of the western Cascades of Oregon, USA

Creator:

Tepley, Alan J., Swanson, Frederick J., and Spies, Thomas A.

Abstract:

Early‐seral ecosystems make important contributions to regional biodiversity by supporting high abundance and diversity of many plant and animal species that are otherwise rare or absent from closed‐canopy forests. Therefore, the period of post‐fire tree establishment is a key stage in forest stand and ecosystem development that can be viewed...

Resource Type:

Article
Seasonal carbohydrate dynamics and growth in Douglas-fir trees experiencing chronic, fungal-mediated reduction in functional leaf area

Creator:

Saffell, Brandy J., Meinzer, Frederick C., Woodruff, David R., Shaw, David C., Voelker, Steven L., Lachenbruch, Barbara, and Falk, Kristen

Abstract:

Stored non-structural carbohydrates (NSCs) could play an important role in tree survival in the face of a changing climate and associated stress-related mortality. We explored the effects of the stomata-blocking and defoliating fungal disease called Swiss needle cast on Douglas-fir carbohydrate reserves and growth to evaluate the extent to which...

Resource Type:

Article
Interactive visual analysis promotes exploration of long-term ecological data

Creator:

Pham, Tuan, Jones, Julia A., Metoyer, Ronald, Swanson, Frederick, and Pabst, Robert

Abstract:

Long-term ecological data are crucial in helping ecologists understand ecosystem function and environmental change. Nevertheless, these kinds of data sets are difficult to analyze because they are usually large, multivariate, and spatiotemporal. Although existing analysis tools such as statistical methods and spreadsheet software permit rigorous tests of pre-conceived hypotheses and...

Resource Type:

Article
Viewing forests through the lens of complex systems science

Creator:

Filotas, Elise, Parrott, Lael, Burton, Philip J., Chazdon, Robin L., Coates, K. David, Coll, Lluis, Haeussler, Sybille, Martin, Kathy, Nocentini, Susanna, Puettmann, Klaus J., Putz, Francis E., Simard, Suzanne W., and Messier, Christian

Abstract:

Complex systems science provides a transdisciplinary framework to study systems characterized by (1) heterogeneity, (2) hierarchy, (3) self‐organization, (4) openness, (5) adaptation, (6) memory, (7) non‐linearity, and (8) uncertainty. Complex systems thinking has inspired both theory and applied strategies for improving ecosystem resilience and adaptability, but applications in forest ecology...

Resource Type:

Article
The enigmatic truffle Fevansia aurantiaca is an ectomycorrhizal member of the Albatrellus lineage

Creator:

Smith, Matthew E., Schell, Karlee J., Castellano, Michael A., Trappe, Matthew J., and Trappe, James M.

Abstract:

Fevansia aurantiaca is an orange-colored truffle that has been collected infrequently in the Pacific Northwest of the USA. This sequestrate, hypogeous fungus was originally thought to be related to the genera Rhizopogon or Alpova in the Boletales, but the large, inflated cells in the trama and the very pale spore...

Resource Type:

Article
A simple tool for estimating throughfall nitrogen deposition in forests of western North America using lichens

Creator:

Root, Heather T., Geiser, Linda H., Fenn, Mark E., Jovan, Sarah, Hutten, Martin A., Ahuja, Suraj, Dillman, Karen, Schirokauer, David, Berryman, Shanti, and McMurray, Jill A.

Abstract:

Anthropogenic nitrogen (N) deposition has had substantial impacts on forests of North America. Managers seek to monitor deposition to identify areas of concern and establish critical loads, which define the amount of deposition that can be tolerated by ecosystems without causing substantial harm. We present a new monitoring approach that...

Resource Type:

Article
Methylome reorganization during in vitro dedifferentiation and regeneration of Populus trichocarpa

Creator:

Vining, Kelly, Pomraning, Kyle R., Wilhelm, Larry J., Ma, Cathleen, Pellegrini, Matteo, Di, Yanming, Mockler, Todd C., Freitag, Michael, and Strauss, Steven H.

Abstract:

Background: Cytosine DNA methylation (5mC) is an epigenetic modification that is important to genome stability and regulation of gene expression. Perturbations of 5mC have been implicated as a cause of phenotypic variation among plants regenerated through in vitro culture systems. However, the pattern of change in 5mC and its functional...

Resource Type:

Article
What the Inbred Scandinavian Wolf Population Tells Us about the Nature of Conservation

Creator:

Räikkönen, Jannikke, Vucetich, John A., Vucetich, Leah M., Peterson, Rolf O., and Nelson, Michael P.

Abstract:

The genetic aspects of population health are critical, but frequently difficult to assess. Of concern has been the genetic constitution of Scandinavian wolves (Canis lupus), which represent an important case in conservation. We examined the incidence of different congenital anomalies for 171 Scandinavian wolves, including the immigrant founder female, born...

Resource Type:

Article
A SNP resource for Douglas-fir: de novo transcriptome assembly and SNP detection and validation

Creator:

Howe, Glenn T., Yu, Jianbin, Knaus, Brian, Cronn, Richard, Kolpak, Scott, Dolan, Peter, Lorenz, W. Walter, and Dean, Jeffrey F. D.

Abstract:

(0) Save to: more options A SNP resource for Douglas-fir: de novo transcriptome assembly and SNP detection and validation Author(s): Howe, GT (Howe, Glenn T.)[ 1 ] ; Yu, JB (Yu, Jianbin)[ 1 ] ; Knaus, B (Knaus, Brian)[ 2 ] ; Cronn, R (Cronn, Richard)[ 2 ] ; Kolpak,...

Resource Type:

Article
Simulating Current Successional Trajectories in Sagebrush Ecosystems With Multiple Disturbances Using a State-and-Transition Modeling Framework

Creator:

Evers, Louisa B., Miller, Richard F., Doescher, Paul S., Hemstrom, Miles, and Neilson, Ronald P.

Abstract:

Disturbances and their interactions play major roles in sagebrush (Artemisia spp. L.) community dynamics. Although impacts of some disturbances, most notably fire, have been quantified at the landscape level, some have been ignored and rarely are interactions between disturbances evaluated. We developed conceptual state-and-transition models for each of two broad...

Resource Type:

Article
Above- and belowground controls on water use by trees of different wood types in an eastern US deciduous forest

Creator:

Meinzer, Frederick C., Woodruff, David R., Eissenstat, David M., Lin, Henry S., Adams, Thomas S., and McCulloh, Katherine A.

Abstract:

Stomata control tree transpiration by sensing and integrating environmental signals originating in the atmosphere and soil, and co-occurring species may differ in inherent stomatal sensitivity to these above- and belowground signals and in the types of signals to which they respond. Stomatal responsiveness to environmental signals is likely to differ...

Resource Type:

Article
Trends in stream nitrogen concentrations for forested reference catchments across the USA

Creator:

Argerich, A., Johnson, S. L., Sebestyen, S. D., Rhoades, C. C., Greathouse, E., Knoepp, J. D., Adams, M. B., Likens, G. E., Campbell, J. L., McDowell, W. H., Scatena, F. N., and Ice, G. G.

Abstract:

To examine whether stream nitrogen concentrations in forested reference catchments have changed over time and if patterns were consistent across the USA, we synthesized up to 44 yr of data collected from 22 catchments at seven USDA Forest Service Experimental Forests. Trends in stream nitrogen presented high spatial variability both...

Resource Type:

Article
Nitrogen limitation, ¹⁵N tracer retention, and growth response in intact and Bromus tectorum-invaded Artemisia tridentata ssp. wyomingensis communities

Creator:

Witwicki, Dana L., Doescher, Paul S., Pyke, David A., DeCrappeo, Nicole M., and Perakis, Steven S.

Abstract:

Annual grass invasion into shrub-dominated ecosystems is associated with changes in nutrient cycling that may alter nitrogen (N) limitation and retention. Carbon (C) applications that reduce plant-available N have been suggested to give native perennial vegetation a competitive advantage over exotic annual grasses, but plant community and N retention responses...

Resource Type:

Article
Regional constraints to biological nitrogen fixation in post-fire forest communities

Creator:

Yelenik, Stephanie, Perakis, Steven, and Hibbs, David

Abstract:

Biological nitrogen fixation (BNF) is a key ecological process that can restore nitrogen (N) lost in wildfire and shape the pace and pattern of post-fire forest recovery. To date, there is limited information on how climate and soil fertility interact to influence different pathways of BNF in early forest succession....

Resource Type:

Article
Conditions favouring Bromus tectorum dominance of endangered sagebrush steppe ecosystems

Creator:

Reisner, Michael D., Grace, James B., Pyke, David A., and Doescher, Paul S.

Abstract:

1. Ecosystem invasibility is determined by combinations of environmental variables, invader attributes, disturbance regimes, competitive abilities of resident species and evolutionary history between residents and disturbance regimes. Understanding the relative importance of each factor is critical to limiting future invasions and restoring ecosystems. 2. We investigated factors potentially controlling Bromus...

Resource Type:

Article
Switching Hemispheres: A New Migration Strategy for the Disjunct Argentinean Breeding Population of Barn Swallow (Hirundo rustica)

Creator:

Garcia-Perez, Belen, Hobson, Keith A., Powell, Rebecca L., Still, Christopher J., and Huber, Gernot H.

Abstract:

Background: Barn Swallows (Hirundo rustica) breed almost exclusively in the Northern Hemisphere. However, since the early 1980's, a small disjunct breeding population has become established in eastern Argentina, presumably by birds previously derived from those breeding in North America. Currently, it is unknown where these individuals go following breeding and...

Resource Type:

Article
Evaluation and improvement of the Community Land Model (CLM4) in Oregon forests

Creator:

Hudiburg, T. W., Law, B. E., and Thornton, P. E.

Abstract:

Ecosystem process models are important tools for determining the interactive effects of global change and disturbance on forest carbon dynamics. Here we evaluated and improved terrestrial carbon cycling simulated by the Community Land Model (CLM4), the land model portion of the Community Earth System Model (CESM1.0.4). Our analysis was conducted...

Resource Type:

Article
Historical Biogeography and Diversification of Truffles in the Tuberaceae and Their Newly Identified Southern Hemisphere Sister Lineage

Creator:

Bonito, Gregory, Smith, Matthew E., Nowak, Michael, Healy, Rosanne A., Guevara, Gonzalo, Cazares, Efren, Kinoshita, Akihiko, Nouhra, Eduardo R., Domınguez, Laura S., Tedersoo, Leho, Murat, Claude, Wang, Yun, Arroyo Moreno, Baldomero, Pfister, Donald H., Nara, Kazuhide, Zambonelli, Alessandra, Trappe, James M., and Vilgalys, Rytas

Abstract:

Truffles have evolved from epigeous (aboveground) ancestors in nearly every major lineage of fleshy fungi. Because accelerated rates of morphological evolution accompany the transition to the truffle form, closely related epigeous ancestors remain unknown for most truffle lineages. This is the case for the quintessential truffle genus Tuber, which includes...

Resource Type:

Article
Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

Creator:

Niu, Shuli, Luo, Yiqi, Fei, Shenfeng, Yuan, Wenping, Schimel, David, Law, Beverly E., Ammann, Christof, Arain, M. Altaf, Arneth, Almut, Aubinet, Marc, Barr, Alan, Beringer, Jason, Bernhofer, Christian, Black, T. Andrew, Buchmann, Nina, Cescatti, Alessandro, Chen, Jiquan, Davis, Kenneth J., Dellwik, Ebba, Desai, Ankur R., Etzold, Sophia, Francois, Louis, Gianelle, Damiano, Gielen, Bert, Goldstein, Allen, Groenendijk, Margriet, Gu, Lianhong, Hanan, Niall, Helfter, Carole, Hirano, Takashi, Hollinger, David Y., Jones, Mike B., Kiely, Gerard, Kolb, Thomas E., Kutsch, Werner L., Lafleur, Peter, Lawrence, David M., Li, Linghao, Lindroth, Anders, Litvak, Marcy, Loustau, Denis, Lund, Magnus, Marek, Michal, Martin, Timothy A., Matteucci, Giorgio, Migliavacca, Mirco, Montagnani, Leonardo, Moors, Eddy, Munger, J. William, Noormets, Asko, Oechel, Walter, Olejnik, Janusz, Paw U, Kyaw Tha, Pilegaard, Kim, Rambal, Serge, Raschi, Antonio, Scott, Russell L., Seufert, Gunther, Spano, Donatella, Stoy, Paul, Sutton, Mark A., Varlagin, Andrej, Vesala, Timo, Weng, Ensheng, Wohlfahrt, Georg, Yang, Bai, Zhang, Zhongda, and Zhou, Xuhui

Abstract:

It is well established that individual organisms can acclimate and adapt to temperature to optimize their functioning. However, thermal optimization of ecosystems, as an assemblage of organisms, has not been examined at broad spatial and temporal scales. Here, we compiled data from 169 globally distributed sites of eddy covariance and...

Resource Type:

Article
Understanding ecohydrological connectivity in savannas: a system dynamics modelling approach

Creator:

Miller, Gretchen R., Cable, Jessica M., McDonald, Alyson K., Bond, Barbara, Franz, Trenton E., Wang, Lixin, Gou, Si, Tyler, Anna P., Zou, Chris B., and Scott, Russell L.

Abstract:

Ecohydrological connectivity is a system level property that results from the linkages in the networks of water transport through ecosystems, by which feedbacks and other emergent system behaviours may be generated. We created a system dynamics model that represents primary ecohydrological networks to examine how connectivity between ecosystem components impacts...

Resource Type:

Article
An individual-based process model to simulate landscape-scale forest ecosystem dynamics

Creator:

Seidl, Rupert, Rammer, Werner, Scheller, Robert M., and Spies, Thomas A.

Abstract:

Forest ecosystem dynamics emerges from nonlinear interactions between adaptive biotic agents (i.e., individual trees) and their relationship with a spatially and temporally heterogeneous abiotic environment. Understanding and predicting the dynamics resulting from these complex interactions is crucial for the sustainable stewardship of ecosystems, particularly in the context of rapidly changing...

Resource Type:

Article
Mesoscale Variation in Snag and Hardwood Densities and Sizes in Old-Growth Forests in Western Oregon

Creator:

Ares, Adrian, Bright, Cheryl, and Puettmann, Klaus

Abstract:

Snags and hardwoods contribute to biological, structural, and functional diversity in old-growth forests. In the US Pacific Northwest, only general knowledge about regional patterns is available to determine target density of snags and hardwood trees. To investigate their variability at relevant scales for silviculture, we examined snag and hardwood densities...

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Article
Amino Acid Uptake in Arbuscular Mycorrhizal Plants

Creator:

Whiteside, Matthew D., Garcia, Maria O., and Treseder, Kathleen K.

Abstract:

We examined the extent to which arbuscular mycorrhizal (AM) fungi root improved the acquisition of simple organic nitrogen (ON) compounds by their host plants. In a greenhouse-based study, we used quantum dots (fluorescent nanoparticles) to assess uptake of each of the 20 proteinaceous amino acids by AM-colonized versus uncolonized plants....

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Article
Avian Species Richness in Relation to Intensive Forest Management Practices in Early Seral Tree Plantations

Creator:

Jones, Jay E., Kroll, Andrew J., Giovanini, Jack, Duke, Steven D., Ellis, Tana M., and Betts, Matthew G.

Abstract:

•Background: Managers of landscapes dedicated to forest commodity production require information about how practices influence biological diversity. Individual species and communities may be threatened if management practices truncate or simplify forest age classes that are essential for reproduction and survival. For instance, the degradation and loss of complex diverse forest...

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Article
Cryptolepiota, a new sequestrate genus in the Agaricaceae with evidence for adaptive radiation in western North America

Creator:

Kropp, Bradley R., Albee-Scott, Steve, Castellano, Michael A., and Trappe, James M.

Abstract:

Phylogenetic analyses based on nLSU and ITS sequence data indicate that the sequestrate genus Gigasperma is polyphyletic. Gigasperma cryptica, which is known only from New Zealand, has affinities with the Cortinariaceae whereas G. americanum and two additional undescribed taxa from western North America are derived from Lepiota within the Agaricaceae....

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Article
Causes and implications of the correlation between forest productivity and tree mortality rates

Creator:

Stephenson, Nathan L., van Mantgem, Phillip J., Bunn, Andrew G., Bruner, Howard, Harmon, Mark E., O'Connell, Kari B., Urban, Dean L., and Franklin, Jerry F.

Abstract:

At global and regional scales, tree mortality rates are positively correlated with forest net primary productivity (NPP). Yet causes of the correlation are unknown, in spite of potentially profound implications for our understanding of environmental controls of forest structure and dynamics and, more generally, our understanding of broad-scale environmental controls...

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Academic Affiliation

Forest Ecosystems and Society[remove]56
College of Earth, Ocean, and Atmospheric Sciences3
Electrical Engineering and Computer Science2
Forest Engineering Resources and Management2
College of Agricultural Sciences1
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Creator

Betts, Matthew G.4
Harmon, Mark E.4
Doescher, Paul S.3
Jones, Julia A.3
Meinzer, Frederick C.3
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Date

Date range begin – Date range end

Current results range from 2009 to 2024

View distribution

Decade

2020-20293
2010-201952
2000-20091

File Format

pdf1

Language

English [eng][remove]56

License

Attribution 3.0 United States17
Attribution 4.0 (CC BY 4.0)7
All rights reserved2
Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0)1
Attribution-NonCommercial-NoDerivs 3.0 United States1
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Peer Reviewed

Yes[remove]56

Resource Type

Article56
Preprint1

Rights Statement

In Copyright[remove]56

Subject

Evacuation of civilians1
Soil respiration1
Wildfires -- Safety measures1

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