Search Results - "Anhold, John A."

Bark beetle-caused mortality in a drought-affected ponderosa pine landscape in Arizona, USA by Negrón, José F., McMillin, Joel D., Anhold, John A., Coulson, Dave

“…Extensive ponderosa pine ( Pinus ponderosa Dougl. ex Laws.) mortality associated with a widespread severe drought and increased bark beetle (Coleoptera:…”
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Factors influencing pine engraver ( Ips pini Say) colonization of ponderosa pine ( Pinus ponderosa Dougl. ex. Laws.) slash in Northern Arizona by Hayes, Christopher J., DeGomez, Tom E., McMillin, Joel D., Anhold, John A., Hofstetter, Richard W.

“…Thinning projects have increased in recent years to reduce standing fuels and fire hazard within the Wildland Urban Interface (WUI) and to improve general…”
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Variables associated with the occurrence of Ips beetles, red turpentine beetle and wood borers in live and dead ponderosa pines with post-fire injury by Negrón, José F., McMillin, Joel, Sieg, Carolyn H., Fowler, James F., Allen, Kurt K., Wadleigh, Linda L., Anhold, John A., Gibson, Ken E.

“…Recently, wildfires and prescribed burning have become more frequent in conifer forests of western North America. Most studies examining the impacts of insects…”
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Within-Stand Spatial Distribution of Tree Mortality Caused by the Douglas-Fir Beetle (Coleoptera: Scolytidae) by Negrón, José F, Anhold, John A, Munson, A. Steve

“…The Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, causes considerable mortality in Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, forests…”
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The effects of mechanical fuel reduction treatments on the activity of bark beetles (Coleoptera: Scolytidae) infesting ponderosa pine by Fettig, Christopher J., McMillin, Joel D., Anhold, John A., Hamud, Shakeeb M., Borys, Robert R., Dabney, Christopher P., Seybold, Steven J.

“…Selective logging, fire suppression, forest succession and climatic changes have resulted in high fire hazards over large areas of the western USA. Federal and…”
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Best Predictors for Postfire Mortality of Ponderosa Pine Trees in the Intermountain West by Hull Sieg, C, McMillin, J.D, Fowler, J.F, Allen, K.K, Negron, J.F, Wadleigh, L.L, Anhold, J.A, Gibson, K.E

“…Numerous wildfires in recent years have highlighted managers' needs for reliable tools to predict postfire mortality of ponderosa pine (Pinus ponderosa Dougl…”
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Retrospective Assessment of Partial Cutting to Reduce Spruce Beetle-Caused Mortality in the Southern Rocky Mountains by Hansen, E. Matthew, Negron, José F, Munson, A. Steven, Anhold, John A

“…Tree susceptibility to bark beetle-caused mortality has been linked to stand characteristics such as basal area (BA) and average tree size, factors that can be…”
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Evaluation of Funnel Traps for Characterizing the Bark Beetle (Coleoptera: Scolytidae) Communities in Ponderosa Pine Forests of North-Central Arizona by Hayes, Christopher J, DeGomez, Tom E, Clancy, Karen M, Williams, Kelly K, McMillin, Joel D, Anhold, John A

“…Lindgren funnel traps baited with aggregation pheromones are widely used to monitor and manage populations of economically important bark beetles (Coleoptera:…”
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Evaluation of Insecticides for Protecting Southwestern Ponderosa Pines from Attack by Engraver Beetles (Coleoptera: Curculionidae: Scolytinae) by DeGomez, Tom E., Hayes, Christopher J., Anhold, John A., McMillin, Joel D., Clancy, Karen M., Bosu, Paul P.

“…Insecticides that might protect pine trees from attack by engraver beetles (Ips spp.) have not been rigorously tested in the southwestern United States. We…”
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Stand Conditions Associated with Roundheaded Pine Beetle (Coleoptera: Scolytidae) Infestations in Arizona and Utah by Negrón, José F, Wilson, Jill L, Anhold, John A

“…Stand conditions associated with outbreak populations of the roundheaded pine beetle, Dendroctonus adjunctus Blandford, in ponderosa pine, Pinus ponderosa…”
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Evaluation of Funnel Traps for Characterizing the Bark Beetle (Coleoptera: Scolytidae) Communities in Ponderosa Pine Forests of North-Central Arizona by Hayes, Christopher J., DeGomez, Tom E., Clancy, Karen M., Williams, Kelly K., McMillin, Joel D., Anhold, John A.

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Evaluation of Funnel Traps for Characterizing the Bark Beetle (Coleoptera: Scolytidae) Communities in Ponderosa Pine Forests of North-Central Arizona by Hayes, Christopher J, DeGomez, Tom E, Clancy, Karen M, Williams, Kelly K, McMillin, Joel D, Anhold, John A

“…Lindgren funnel traps baited with aggregation pheromones are widely used to monitor and manage populations of economically important bark beetles (Coleoptera:…”
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Evaluation of Insecticides for Protecting Southwestern Ponderosa Pines from Attack by Engraver Beetles (Coleoptera: Curculionidae: Scolytinae) by DeGomez, Tom E., Hayes, Christopher J., Anhold, John A., McMillin, Joel D., Clancy, Karen M., Bosu, Paul P.

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Evaluation of Insecticides for Protecting Southwestern Ponderosa Pines from Attack by Engraver Beetles (Coleoptera: Curculionidae: Scolytinae) by DeGomez, Tom E, Hayes, Christopher J, Anhold, John A, McMillin, Joel D, Clancy, Karen M, Bosu, Paul P

“…Insecticides that might protect pine trees from attack by engraver beetles (Ips spp.) have not been rigorously tested in the southwestern United States. We…”
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SPRUCE BEETLE (DENDROCTONUS RUFIPENNIS) OUTBREAK IN ENGELMANN SPRUCE (PICEA ENGELMANNII) IN CENTRAL UTAH, 1986-1998 by Dymerski, Alan D., Anhold, John A., Munson, Allen S.

“…Extensive Engelmann spruce (Picea engelmannii Parry ex Engelm.) mortality caused by the spruce beetle (Dendroctonus rufipennis Kirby) has been occurring at the…”
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