Research & Monitoring

Scientific Access Requirements and Standards

• Access Policy to SPI timberlands for Research and Monitoring 2021 (177 KB)
• Water Quality Monitoring Quality Assurance Project Plan (2,876 KB)
• Bioassessment Quality Assurance Project Plan (1,591 KB)
• Research and Monitoring Program Quality Assurance Project Plan (4 MB)

Recent reports and scientific reviews which Sierra Pacific Industries uses to help guide its resource management.

Some of the PDFs listed below are several Megabytes in size and could take several minutes to download depending upon your connection speed.

• 2020 Northern California Private Timberlands Fisher Conservation Summary Report (3.7 MB)
• Exhibits and Attachments to 2020 Northern California Fisher Conservation Summary Report (9 MB)
• Application of Confidence Intervals in Fisher Listing Determination (141 KB)
• Long-Term Erosion Rates of Forested Watersheds in Greater Battle Creek and Judd Creek (1,962 KB)
• Executive Summary - Post-Wildfire Salvage Logging, Soil Erosion, and Sediment Delivery---Ponderosa Fire, Battle Creek Watershed, Northern California (1,331 KB)
• Post-Wildfire Salvage Logging, Soil Erosion, and Sediment Delivery---Ponderosa Fire, Battle Creek Watershed, Northern California (2,414 KB)
• Greater Battle Creek Turbidity Monitoring: Update and Additions (2,061 KB)
• Floristic Diversity of Young Conifer Plantations (1,588 KB)
• Snag Management Objectives for Cavity-Using Species on Sierra Pacific Industries Lands (219 KB)
• Fisher Natal Den Use On Managed Timberland in California (1,034 KB)
• Northern Spotted Owls Near Weaverville and Trinity Lake In Trinity County (4 MB)
• Botany Policy (3,538 KB)
• Raptor Policy (95 KB)
• Determining Water Temperature Objectives for Streams on Sierra Pacific Lands (198 KB)
• Nesting Success of Landbirds in Managed Forests (1,976 KB)
• Pacific Fisher Use of a Managed Forest Landscape in Northern California (292 KB)
• Pine Marten Use of a Managed Forest Landscape in Northern California (237 KB)
• Native Riparian and Rare Plant Species Conservation Project (15 KB)
• Redwood Creek Fish Migration Survey Results, 2000 (366 KB)
• Special Interest Plant Species Study (57 KB)

Redwood Creek and Salmon, a study from Humboldt County, California

• Chapter 1: About Redwood Creek (1,309 KB)
• Chapter 2: Introduction (768 KB)
• Chapter 3: Unmasking The Agents of Change (3,437 KB)
• Chapter 4: The Consequences of Change: Stream & Habitat (1,435 KB)
• Chapter 5: The Consequences of Change: Salmonids (570 KB)
• Chapter 6: Current & Future Scenarios: Salmon in Redwood Creek (371 KB)
• Chapter 7: Endnotes (187 KB)