Pyrocene by Stephen J. Pyne

Humanity as a "Fire Creature"

     Stephen J. Pyne's The Pyrocene: How We Created an Age of Fire, and What Happens Next offers a compelling exploration of humanity's deep relationship with fire and its transformative impact on Earth. Pyne argues that fire is humanity's defining ecological signature, shaping our evolution, societies, and even the planet itself. He introduces the concept of the "Pyrocene," a fire-driven epoch analogous to the Ice Ages, marked by humanity's unprecedented ability to manipulate fire on a global scale. 


Key Themes and Insights: 


  • Humanity as a "Fire Creature": Pyne traces how humans evolved alongside fire, using it for cooking food, managing landscapes, and driving technological progress. Early human fire use was constrained by ecological limits, but the Industrial Revolution's "Pyric Transition" unleashed fossil fuel combustion, fundamentally altering Earth's fire regimes and climate124. 


  • The Pyrocene Epoch: The book redefines the Anthropocene through a fire-centric lens. By burning fossil biomass (coal, oil, gas), humanity has created a "combustion cascade," disrupting natural fire cycles and contributing to climate change. This shift has globalized fire's effects, creating an era dominated by megafires and ecological imbalance346. 


  • Living with Fire: Pyne emphasizes that fire is not inherently destructive but requires careful stewardship. Indigenous practices historically maintained ecological balance through controlled burns. He advocates for restoring such strategies to coexist with fire in a warming world where wildfires are becoming more frequent and intense16. 


Relevance to Modern Humans: 


     The Pyrocene underscores the critical role of understanding and managing fire in forest ecosystems. Healthy forests depend on periodic fires to clear underbrush, recycle nutrients, and promote biodiversity. Modern wildfire suppression has disrupted these cycles, leading to fuel accumulation and catastrophic fires. Adopting sustainable practices that align with natural fire regimes can help protect both forests and communities. 


     Pyne’s work is a call to action for rethinking our relationship with fire—not as an enemy but as a force to be managed responsibly. This perspective is essential for anyone working in forestry or environmental care which many more of us may need do, in an era increasingly defined by fire. 

 


Practical Approaches for society and institutions moving forward: 


  1. Proactive Fire Management: This strategy focuses on modifying landscapes to promote desired fires and contain unwanted ones1. It involves:
  2. Hardening houses in wildland-urban interfaces to reduce fire risk.
  3. Calculated thinning and prescribed burning to manage fuel loads. 
  4. Collaborative projects between public and private entities.
  5. Reactive Fire Management: This approach accepts existing fire landscapes and tries to derive benefits from them1. It includes:
  6. Rapid attack and suppression where necessary. 
  7. Point protection and fallback to community borders. 
  8. Big-box approach using defensible fuel breaks and burnouts.
  9. Indigenous Fire Stewardship: Pyne acknowledges the importance of reviving traditional land management practices24:
  10. Cultural burning to clear underbrush and promote new growth.
  11. Regular, low-intensity fires to cycle nutrients and maintain ecosystem health.
  12. Collaboration with indigenous communities to integrate traditional knowledge. 

 

Adaptive Management: Pyne suggests a more flexible approach to fire management5: 

 

  1. Moving away from a single-agency, suppression-only policy. 
  2. Adopting a pluralistic strategy that integrates fire into land management. 
  3. Balancing fire suppression with controlled burns and ecosystem needs. 

 

Cost-Effective Solutions: Implementing more efficient fire management strategies4: 

  1. Training and equipping Indigenous fire guardians. 
  2. Leveraging local expertise and land knowledge. 
  3. Reducing reliance on expensive and toxic aerial firefighting methods. 
  4. Ecosystem-Specific Approaches: Tailoring fire management to specific ecosystems2: 
  5. Understanding the fire ecology of different landscapes (e.g., oak woodlands). 
  6. Using fire to promote native species and maintain biodiversity. 
  7. Considering historical fire regimes when planning management strategies. 


     By adopting these approaches, society and institutions can work towards a more balanced and effective fire management strategy that respects ecological needs, incorporates traditional knowledge, and one that not only protects but also builds communities. 

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western red cedar

The Importance of Western Red Cedar and the Current Dieback Issue In Western Oregon

June 26, 2023
Following is a summary of several articles highlighting the case of Western Redcedar dieing in unusually high numbers. Interesting facts and details follow to help familiarize us with this species as we watch and interact with an ever changing world. Often concerning, always exciting, how will you participate? Introduction: Western redcedar (Thuja plicata), a species native to Canada, Alaska, Washington, Oregon, Idaho, Montana, and northern California, holds significant ecological, economic, and cultural value. Indigenous communities in the Pacific Northwest have long recognized its importance, using every part of the tree for various purposes. Additionally, Western redcedar is highly sought after for its timber and provides essential wildlife habitat, particularly in drier areas of eastern Washington and Oregon. Unfortunately, in recent years, forest health specialists and land managers have observed dieback in Western redcedar populations across the region, leading to concerns about the future of this ecologically vital species. Cultural Significance and Traditional Uses: For indigenous peoples in the Pacific Northwest, Western redcedar has deep cultural significance. Throughout history, they have actively managed and stewarded these trees, using them for various purposes. The tree's roots are utilized for basketry, wood for planks, canoes, and other tools, bark for containers and clothing, limbs for carving and firewood, and boughs for smudge sticks and medicine. These sustainable practices highlight the interdependence between indigenous communities and Western redcedar. Ecological Importance and Habitat: Western redcedar provides unique wildlife habitat, especially in drier regions of eastern Washington and Oregon. Although the species can be associated with multiple plant communities, Western redcedar stands are typically characterized by cool, moist environments with abundant moss and standing water. This species is known for its shade tolerance and ability to thrive in coastal fog belts and moist inland areas. It can also tolerate various soil types and outcompete other species in wet soils. In mixed forests, Western redcedar often coexists with western hemlock and Douglas-fir, while alternate species may include incense cedar, sequoia, bigleaf maple, and others depending on the site conditions. Dieback Issue: Recent years have witnessed the occurrence of dieback in Western redcedar populations throughout Oregon, Washington, and western Canada. Even in areas where these trees traditionally flourish, such as along streams and shaded regions, pockets of dieback have been observed. The exact cause of this dieback remains unknown and is currently under investigation. Symptoms and Potential Factors: Dieback in Western redcedar is characterized by thinning crowns, branch dieback, chlorosis (yellow foliage), heavy cone crops, and mortality. While the species is typically resistant to insects and diseases, opportunistic pests may attack weakened or dying trees. The dieback epidemic is hypothesized to be primarily abiotic in nature, potentially linked to increased drought periods and rising temperatures in the western United States. Research and Data Collection: To address the dieback issue, forest health specialists and land managers have initiated research efforts. The Oregon Department of Forestry and Washington Department of Natural Resources, in collaboration with the U.S. Forest Service, have been collecting data through various methods. This includes using an app called Survey 123 to record dieback locations and gather site-specific measurements. Researchers are also engaging citizen scientists through platforms like iNaturalist to broaden data collection efforts. Preliminary Findings: As of now, over 369 dieback sites have been recorded in Oregon and Washington, with plot and site data collected at 148 of these sites. Initial findings indicate that dieback occurs across the species' distribution range, with higher frequency in low elevation, urban corridors of western Washington and northwestern Oregon. Thinning crowns and branch dieback are the most common symptoms observed. Climate variables, such as spring precipitation as snow and temperature, appear to be associated with dieback patterns, highlighting the potential impact.
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