USDA Forest Service

Pacific Southwest Research Station

Pacific Southwest
Research Station

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Albany, CA 94710-0011
(510) 883-8830
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The publications below were posted from Pacific Southwest Research Station researchers between October 2021 and February 2022. There are many more publications produced by our scientists available through Treesearch.

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Featured publications:

With an increase in drought, bark beetles, and high-severity wildfire, resilience in frequent-fire forests may hinge on creating stands with significantly lower densities and minimal competition. Current management practices often prescribe conditions that maintain full competition to guide development of desired forest conditions. Creating stands largely free of competition would require a fundamental rethinking of how frequent-fire forests can be managed for resilience.

Operational resilience in western US frequent-fire forests. North, Malcolm P.; Tompkins, Ryan E.; Bernal, Alexis A.; Collins, Brandon M.; Stephens, Scott L.; York, Robert A. 2022. Forest Ecology and Management. 507: 120004.

Yellow pine and mixed-conifer (YPMC) forests are common forest types in northwestern California and southwestern Oregon. We conducted an in-depth assessment of the natural range of variation (NRV), focusing on ecosystem processes and forest structure from historical data sources and current reference forests, and then compared current conditions to the NRV. The assessment found that fires that escape initial attack can be much larger and generally have larger proportions of high-severity areas than typical pre-Euro-American settlement fires.

Natural range of variation for yellow pine and mixed-conifer forests in northwestern California and southwestern Oregon. Bohlman, Gabrielle N.; Safford, Hugh D.; Skinner, Carl N. 2021. Gen. Tech. Rep. PSW-GTR-273. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 146 p.

Publications by research area:

Pests and Pathogens

A framework for establishing a rapid ‘Ōhi‘a death resistance program. Luiz, Blaine C.; Giardina, Christian P.; Keith, Lisa M.; Jacobs, Douglass F.; Sniezko, Richard A.; Hughes, Marc A.; Friday, James B.; Cannon, Philip; Hauff, Robert; Francisco, Kainana; Chau, Marian M.; Dudley, Nicklos; Yeh, Aileen; Asner, Gregory; Martin, Roberta E.; Perroy, Ryan; Tucker, Brian J.; Evangelista, ʻAleʻalani; Fernandez, Veronica; Martins- Keliʻihoʻomalu, Chloe; Santos, Kirie; Ohara, Rebekah. 2022. New Forests.

Applications of a conceptual framework to assess climate controls of forest tree diseases. Hennon, Paul E.; Frankel, Susan J.; Woods, Alex J.; Worrall, James J.; Ramsfield, Tod D.; Zambino, Paul J.; Shaw, Dave C.; Ritóková, Gabriela; Warwell, Marcus V; Norlander, Daniel; Mulvey, Robin L.; Shaw, Charles G. 2021. Forest Pathology. 51(6): 418.

Management tactics to reduce bark beetle impacts in North America and Europe under altered forest and climatic conditions. Fettig, Christopher J.; Egan, Joel M.; Delb, Horst; Hilszczanski, Jacek; Kautz, Markus; Munson, A. Steven.; Nowak, John T.; Negrón, Jose F. 2022. Bark Beetle Management, Ecology, and Climate Change. Cambridge, MA: Academic Press: 345-394. Chapter 11.

MCH-based semiochemical repellents for protecting Engelmann spruce trees from Dendroctonus rufipennis (Coleoptera: Curculionidae). Audley, Jackson; Fettig, Christopher; Steven Munson, A; Blackford, Darren; Mortenson, Leif; Mafra-Neto, Agenor. 2021. Journal of Economic Entomology.

Resource Management and Use

Assessing climate risk to support urban forests in a changing climate. Esperon-Rodriguez, Manuel; Rymer, Paul D.; Power, Sally A.; Barton, David N.; Cariñanos, Paloma; Dobbs, Cynnamon; Eleuterio, Ana Alice; Escobedo, Francisco J.; Hauer, Richard; Hermy, Martin; Jahani, Ali; Onyekwelu, Jonathan C.; Östberg, Johan; Pataki, Diane; Randrup, Thomas B.; Rasmussen, Tørres; Roman, Lara A.; Russo, Alessio; Shackleton, Charlie; Solfjeld, Ingjerd; Doorn, Natalie S.; Wells, Matthew J.; Wiström, Björn; Yan, Pengbo; Yang, Jun; Tjoelker, Mark G. 2022. Plants, People, Planet.

Conceptualizing Indigenous Cultural Ecosystem Services (ICES) and benefits under changing climate conditions in the Klamath River Basin and their implications for land management and governance. Mucioki, Megan; Sowerwine, Jennifer; Sarna-Wojcicki, Daniel; Lake, Frank K.; Bourque, Shawn. 2021. Journal of Ethnobiology. 41(3): 331-330.

Empowering Indigenous agency through community-driven collaborative management to achieve effective conservation: Hawai‘i as an example. Winter, Kawika B.; Vaughan, Mehana Blaich; Kurashima, Natalie; Giardina, Christian; Quiocho, Kalani; Chang, Kevin; Akutagawa, Malia; Beamer, Kamanamaikalani; Berkes, Fikret. 2021. Pacific Conservation Biology. 27(4): 337-344.

Increasing conservation capacity by embracing ritual: kuahu as a portal to the sacred. Kealiikanakaoleohaililani, Kekuhi; Sato, Aimee Y.; Giardina, Christian P.; Litton, Creighton M.; Ramavarapu, Smrity; Hutchins, Leslie; Wight, Evelyn H.; Clark, Michelle; Cordell, Susan; Francisco, Kainana S.; McMillen, Heather; Pascua, Pua‘alaIt; Yogi, Darcy. 2021. Pacific Conservation Biology. 27(4): 327-336.

Kōkua aku, kōkua mai: an indigenous consensus-driven and place-based approach to community led dryland restoration and stewardship. Kamelamela, Katie L.; Springer, Hannah Kihalani; Ku'ulei Keakealani, Roberta; Ching, Moana Ulu; Ticktin, Tamara; Ohara, Rebekah Dickens; Parsons, Elliott W.; Adkins, Edith D.; Francisco, Kainana S.; Giardina, Christian. 2022. Forest Ecology and Management. 506(3): 119949.

The important role of environmental stewardship groups in supporting human health and well-being. Dacks, Rachel; McMillen, Heather; Heimuli, Pua; Kahaleua, Kimberly; Burgess, Sanoe; Giardina, Christian P.; Francisco, Kainana; Ticktin, Tamara. 2021. Frontiers in Sustainable Cities. 3: 710355.

Utilizing two-dimensional gas chromatography time of flight mass spectrometry (GCxGC ToFMS) to characterize volatile products from pyrolysis of living vegetation foliage. Moore, Roderquita; Dietenberger, Mark; Mann, Doreen; Lebow, Patricia; Weise, David R. 2022. BioResources. 17(1): 862-889.

Water, Air and Soil

Intraspecific variation along an elevational gradient alters seed scarification responses in the polymorphic tree species Acacia koa. Sugiyama, Anna; Friday, James B.; Giardina, Christian P.; Jacobs, Douglass F. 2021. Frontiers in Plant Science. 12: 716678.

Optimizing invasive species management using mathematical programming to support stewardship of water and carbon-based ecosystem services. Pascual, Adrián; Giardina, Christian P.; Povak, Nicholas A.; Hessburg, Paul F.; Heider, Chris; Salminen, Ed; Asner, Gregory P. 2022. Journal of Environmental Management. 301(5): 113803.

Wildland Fire and Fuels

Evidence for widespread changes in the structure, composition, and fire regimes of western North American forests. Hagmann, R.K.; Hessburg, P.F.; Prichard, S.J.; Povak, N.A.; Brown, P.M.; Fulé, P.Z.; Keane, R.E.; Knapp, E.E.; Lydersen, J.M.; Metlen, K.L.; Reilly, M.J.; Sánchez Meador, A.J.; Stephens, S.L.; Stevens, J.T.; Taylor, A.H.; Yocom, L.L.; Battaglia, M.A.; Churchill, D.J.; Daniels, L.D.; Falk, D.A.; Henson, P.; Johnston, J.D.; Krawchuk, M.A.; Levine, C.R.; Meigs, G.W.; Merschel, A.G.; North, M.P.; Safford, Hugh; Swetnam, T.W.; Waltz, A.E.M. 2021. Ecological Applications. 31(8): e02431.

Tree mortality following thinning and prescribed burning in central Oregon, U.S.. Fettig, Christopher J.; Mortenson, Leif A.; Audley, Jackson P. 2021. Forests. 12(12): 1677.

Valuing the impact of forest disturbances on the climate regulation service of western U.S. forests. Marcos-Martinez, Raymundo; Sánchez, José J.; Srivastava, Lorie; Soonsawad, Natthanij; Bachelet, Dominique. 2022. Sustainability. 14(2): 903.

Wildlife and Fish

Arresting the spread of invasive species in continental systems. Hofstadter, Daniel; Kryshak, Nicholas; Wood, Connor; Dotters, Brian; Roberts, Kevin; Kelly, Kevin; Keane, John; Sawyer, Sarah; Shaklee, Paula; Kramer, H Anu; Gutiérrez, RJ; Peery, M Zachariah. 2022. Frontiers in Ecology and the Environment.

Combined field and clinical methods clarify mortality causes and survival patterns of Pacific martens. Martin, Marie E.; Delheimer, Matthew S.; Gabriel, Mourad W.; Wengert, Greta M.; Moriarty, Katie M. 2022. The Journal of Wildlife Management. 86(1): e22131.

Hawaiian hoary bat responses to habitat, season, and non-native insectivore suppression. Moseley, Rachel D.; Shiels, Aaron B.; Aue, Asa; Haines, William P.; Aslan, Clare E.; Liang, Christina T. 2022. The Journal of Wildlife Management.

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