XPost: comp.os.linux.misc   
   From: tnp@invalid.invalid   
      
   On 11/12/2025 22:14, rbowman wrote:   
   > On Thu, 11 Dec 2025 09:17:38 +0000, The Natural Philosopher wrote:   
   >   
   >> Softwood plantations are a major industry in Canada, and in IIRC   
   >> Norway,. which is where our constructional lumber and pulp paper comes   
   >> from.   
   >   
   > No, Canada cuts down the existing forests. The problem in northern forests   
   > is it takes up to 100 years to get marketable timber. Plantations work in   
   > the southeast US where there is plenty of water and a longer growing   
   > season.   
   >   
   Canadian Reforestation   
      
        Mandate and Scope: Forest management in Canada is primarily a   
   provincial responsibility. A key part of sustainable forest management   
   is that forests harvested on public lands must be regenerated.   
        Sustainability: The area harvested annually is consistently less   
   than 0.4% of the total managed forest area, and harvest levels are   
   determined based on long-term sustainability and projected future yields.   
        Initiatives: The Canadian government has a significant 10-year,   
   $3.16 billion "2 Billion Trees" program, which aims to plant trees   
   across the country to support climate goals and restore habitat, working   
   with various partners including Indigenous communities and non-profits.   
        Methods: Reforestation involves both natural regeneration (e.g.,   
   after a fire, the heat opens cones to release seeds) and active planting   
   of seedlings. Tree improvement programs work to select species with   
   desirable traits like faster growth, better wood quality, and pest   
   resistance.   
      
   Lumber Growth Time   
   The time to grow trees for lumber (rotation age) varies depending on the   
   desired product and species:   
      
        Standard Harvest (Boreal Forest Species): For typical Canadian   
   boreal species like spruce and pine, the general range for harvest   
   maturity is 60 to 100 years.   
        Intensive Plantations (Fast-growing Species):   
            Sawlog Timber: Larch plantations in Quebec can produce sawlog   
   timber in 20 to 25 years.   
            Small Sawlogs/Structural Uses: In intensive plantations,   
   rotation ages can be 25 to 35 years.   
        Old-Growth Forests: Natural old-growth characteristics in British   
   Columbia's interior are defined as 120 to 140 years of age, while some   
   Western redcedar specimens can live for over 1000 years. These are   
   generally protected and not used for standard lumber production   
      
      
      
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