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USDA Forest Service

4 ARTICLES PUBLISHED IN JoVE

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Environment

Building Double-decker Traps for Early Detection of Emerald Ash Borer
Deborah G. McCullough 1, Therese M. Poland 2
1Department of Entomology and Department of Forestry, Michigan State University, 2Northern Research Station, USDA Forest Service

Effective traps to attract and capture the emerald ash borer (EAB) are a key element of detecting and managing this invasive pest. Double-decker traps, placed in full sun near ash trees, incorporate visual and olfactory cues and were more likely to capture EAB than other trap designs in field trials.

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Engineering

Wind Tunnel Experiments to Study Chaparral Crown Fires
Jeanette Cobian-Iñiguez 1, AmirHessam Aminfar 1, Joey Chong 2, Gloria Burke 2, Albertina Zuniga 1, David R. Weise 2, Marko Princevac 1
1Department of Mechanical Engineering, University of California, Riverside, 2Pacific Southwest Research Station, USDA Forest Service

This protocol describes wind tunnel experiments designed to study the transition of a fire from the ground to the canopy of chaparral shrubs.

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Environment

Using Tree-Rings to Reconstruct Fire History Information from Forested Areas
Julián Cerano-Paredes 1, Jose M. Iniguez 2, José Villanueva-Díaz 1, Rosalinda Cervantes-Martínez 1, Víctor H. Cambrón-Sandoval 3, Josué R. Estrada-Arellano 4, Gerardo Esquivel-Arriaga 1, Osvaldo Franco-Ramos 5, Lorenzo Vázquez-Selem 5, Gabriel F. Cardoza-Martínez 4
1CENID-RASPA, INIFAP, 2Rocky Mountain Research Station, USDA Forest Service, 3Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, 4Facultad de Ciencias Biológicas, Universidad Juárez del Estado de Durango, 5Instituto de Geografía, Universidad Nacional Autónoma de México

This work explains the most appropriate techniques and methods for conducting a fire history study from beginning site selection to final analysis of fire-climate relationship.

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Environment

Utilizing Soil Density Fractionation to Separate Distinct Soil Carbon Pools
Derek Pierson *1,2, Kate Lajtha *1, Hayley Peter-Contesse *1, Amy Mayedo *1
1Department of Crop and Soil Sciences, Oregon State University, 2USDA Forest Service

Soil density fractionation separates soil organic matter into distinct pools with differing stabilization mechanisms, chemistries, and turnover times. Sodium polytungstate solutions with specific densities allow the separation of free particulate organic matter and mineral-associated organic matter, resulting in organic matter fractions suitable for describing the soil response to management and climate change.

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