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Forest Management

Registered Professional Forester Services

Forestry, wildfire mitigation, and fuels reduction projects often require specialized technical expertise, regulatory knowledge, and field experience. In some states, such as California, many forestry activities must be prepared, supervised, and certified by a Registered Professional Forester (RPF). In other states, the RPF credential serves as a recognized measure of professional competency and forestry expertise, providing clients with confidence that projects are being guided by experienced professionals.

Trihydro’s Registered Professional Foresters work with agencies, tribes, utilities, landowners, and private organizations throughout the western United States to support forest management, wildfire resilience, and natural resource objectives. Our team combines practical forestry experience with an understanding of regulatory requirements, environmental stewardship, operational considerations, and project economics.

We support projects from planning through implementation, including forest management planning, timber harvest permitting, hazardous fuels reduction, vegetation management, environmental review, regulatory coordination, and project implementation. By understanding the full scope of forestry and wildfire management operations, we help clients develop practical, sustainable solutions that align with project goals and applicable requirements.

In California and other jurisdictions with forestry-specific requirements, an RPF may provide support for:

  • Timber Harvest Plans (THPs)
  • Emergency Notices
  • CAL FIRE exemptions
  • Forest management projects
  • Hazardous fuels reduction projects
  • Vegetation management activities
Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Forest Planning

Effective forest management begins with understanding existing conditions, identifying resource objectives, and developing a strategy that balances ecological, operational, and regulatory considerations. Trihydro works with agencies, tribes, utilities, landowners, and resource managers to develop forest management plans that support healthy forests, reduce risk, and guide long-term stewardship activities.  

Our team conducts resource inventories, forest assessments, and field evaluations to characterize vegetation conditions, identify management opportunities, and establish priorities for future actions. Using this information, we develop plans that address forest health, hazardous fuels, vegetation management, wildfire risk reduction, and natural resource objectives while reflecting site-specific conditions and regulatory requirements.  

Whether supporting landscape-scale management initiatives or property-specific planning efforts, we help clients develop practical frameworks for decision-making, project prioritization, funding opportunities, and long-term stewardship of forest resources. 

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Biomass Utilization and Disposal Planning

One of the most common challenges following forest thinning, fuels reduction, and timber harvest activities is determining what to do with the resulting woody biomass. Trihydro helps clients evaluate practical and cost-effective biomass utilization options that align with project objectives, regulatory requirements, and local market conditions.

Depending on project location and available infrastructure, biomass may be directed to:

  • Sawmills
  • Biomass energy facilities
  • Firewood processing operations
  • Onsite chipping programs
  • Air curtain burners
  • Restoration projects utilizing wood chips and organic materials

By evaluating available outlets early in project planning, we help clients reduce disposal costs and improve project efficiency.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Hazardous Fuels Reduction and Forest Resilience

Excess vegetation, dead trees, and accumulated woody debris can increase wildfire intensity, threaten infrastructure, and impact forest health. Hazardous fuels reduction helps restore healthier forest conditions by reducing fuel loads, improving defensible space, and limiting the potential for high-severity wildfire.

Trihydro helps agencies, tribes, utilities, and private landowners plan and implement fuels reduction projects throughout the western United States. Our Registered Professional Foresters develop treatment strategies tailored to site conditions, management objectives, regulatory requirements, and available funding sources.

Our services include:

  • Hazardous fuels assessments
  • Forest thinning and treatment prescriptions
  • Defensible space planning
  • Timber harvest planning
  • Environmental review and permitting
  • CAL FIRE exemption support
  • Biomass utilization planning
  • Grant-funded fuels reduction projects
  • Field implementation support and monitoring

By connecting planning, permitting, and implementation, we help clients reduce wildfire risk, improve forest conditions and reduce wildfire vulnerability, and support long-term watershed and ecosystem health.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Integrated Pest Management

Forest pests, invasive species, and plant diseases can affect vegetative communities, increase wildfire risk, reduce timber productivity, and negatively impact natural resources when left unmanaged. Forest health challenges are often first identified through visible symptoms such as crown thinning, chlorosis, bark discoloration, declining tree vigor, frass, and pitch tubes. We understand how pest outbreaks can affect forest health, wildfire risk, tribal gathering practices, land management objectives, and long-term ecosystem resilience.

We develop Integrated Pest Management (IPM) strategies tailored to each property’s objectives using a combination of biological, cultural, physical, and chemical control methods. By emphasizing prevention, monitoring, vegetation management, and targeted treatment approaches, we help landowners and agencies address existing pest issues while reducing the likelihood of future infestations.

Common forest pests we have developed IPM programs for include the goldspotted oak borer, spruce bark beetle, and fir engraver. Tree diseases we have helped manage include pitch canker, sudden oak death, and annosus root rot.

Our team evaluates site conditions, identifies pest threats, and develops management strategies tailored to each property’s objectives. Using a combination of biological, cultural, mechanical, physical, and chemical control methods, we help clients address existing pest issues while reducing the likelihood of future infestations. By emphasizing prevention, monitoring, and targeted treatment approaches, we support effective resource management while minimizing environmental impacts.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Wildfire Risk Management

Increasing wildfire frequency and intensity require a proactive approach to reducing risk and improving landscape resilience. Trihydro helps agencies, utilities, tribes, communities, and private landowners identify wildfire hazards, evaluate vulnerabilities, and develop targeted mitigation strategies that protect people, infrastructure, and natural resources.

Our team supports wildfire risk management efforts through hazard assessments, wildfire mitigation planning, defensible space strategies, fuel treatment prioritization, and infrastructure protection planning. We work closely with partners to identify high-risk areas, evaluate treatment alternatives, and prioritize actions based on site conditions, infrastructure concerns, and management objectives.

We support projects from planning through implementation, including environmental review, permitting, stakeholder coordination, and treatment execution. By combining technical expertise with on-the-ground experience, we help clients reduce wildfire risk, improve forest resilience, and support healthier, more fire-adapted landscapes.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Post-Fire Recovery

Following a wildfire, timely action is critical to stabilize burned landscapes, protect watersheds, and reduce downstream impacts. Trihydro works with agencies, tribes, utilities, and landowners to assess burn severity, identify high-risk areas, and prioritize recovery actions that protect water quality, infrastructure, natural resources, and surrounding communities. We bring experience in watershed assessment, erosion control, and emergency response planning to address immediate recovery needs and support long-term restoration efforts.

We help advance projects from concept to completed treatment efficiently. Services may include post-fire damage assessments, emergency stabilization planning, erosion and sediment control measures, watershed restoration strategies, environmental compliance support, and stakeholder coordination. By focusing on practical, science-based solutions, we help reduce post-fire risks, restore watershed function, protect critical resources, and support long-term ecosystem recovery.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Wildland-Urban Interface Planning

Development within the wildland-urban interface (WUI) introduces unique planning and risk challenges. Our team works with agencies, utilities, and communities to evaluate risk, improve defensible space, and develop strategies that balance public safety with land use and environmental considerations. We bring experience in land use planning, fuels coordination, and infrastructure protection, drawing on the expertise of Registered Professional Foresters to guide informed decision-making.

WUI strategies require coordination across jurisdictions and stakeholders to move from planning into implementation. Our team develops plans, supports environmental review and permitting, and works closely with partners to advance projects. By focusing on practical, community-centered solutions, we help reduce risk to people and infrastructure while supporting long-term resilience in high-growth, fire-affected areas.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Drought and Water Supply

Drought, changing climate conditions, and increasing demands on water resources continue to impact forests, watersheds, and communities across the western United States. Trihydro helps water providers, agencies, tribes, and landowners evaluate water supply risks, assess watershed conditions, and develop strategies that improve long-term resilience. Our team brings experience in water supply planning, hydrologic analysis, watershed assessment, and irrigation and conveyance systems to identify practical solutions that support reliable water resources.

Our work connects planning with implementation. We develop strategies, refine infrastructure, and guide projects through permitting and funding to move forward. By combining technical expertise with a clear understanding of regulatory, operational, and stakeholder needs, we deliver solutions that help clients manage uncertainty, optimize available supply, and maintain resilient water systems over time.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director
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Forest Management

Watershed Health

Healthy watersheds are critical to sustaining water quality, ecosystem function, and resilient landscapes. Wildfire, drought, invasive species, and changing land use can increase erosion, alter natural hydrology, degrade habitat, and impact downstream water resources. Trihydro works with agencies, tribes, utilities, and landowners to evaluate watershed conditions, identify stressors, and develop strategies that protect water resources and improve watershed condition and function.

Our team brings experience in watershed assessment, hydrology, forest and land management, restoration planning, and environmental compliance. We focus on practical solutions that address root causes of degradation while supporting broader land management, wildfire mitigation, and ecosystem restoration objectives.

We support implementation through regulatory coordination and field monitoring by developing restoration plans, supporting permitting, and coordinating projects among stakeholders. By taking a system-wide approach, we help restore watershed function, improve water quality, reduce erosion, and strengthen the long-term health of forests, watersheds, and communities.

Jeremy Zagarella, RPF
Trihydro Point of Contact
Jeremy Zagarella, RPF
Natural Resource Director

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