Article View: bc.general
Article #63826Re: Effects of biomass reduction in logged forests?
From: Stephen Samuel
Date: Thu, 19 Aug 1993 23:23
Date: Thu, 19 Aug 1993 23:23
40 lines
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3070 bytes
taganov@unixg.ubc.ca (Robert Edgar Froese) writes: >In article <1993Aug14.001119.5465@news.mentorg.com> jhurst@renfield.mentorg.com (Jim Hurst) writes: >>Fire regimes are funny things. They vary widely in intensity and >>frequency, even in a single valley. Clearcuts most closely mimic >>fire in areas where stand replacement fires are common, ie, jack >>pine and lodgepole pine. Clearcuts do not mimic fire in areas where >>some or most tree species are adapted to survive fires, ie, douglas >>fir or ponderosa pine. _____________ >Well, the subject is really a little more complex than that. Fire >intensity and type affect the percentage of trees killed, the nutrient >loss and soil disturbance. For example, low intensity ground fires in >Forest fires and clearfelling are similar in that they cause disturbance >to forests. It is important to recognize the differences in type of >disturbance between them, and the degree. Yeah, but housefires and firebombing attacks are also similar in that they cause disturbances to local neighbourhoods. Like forestfires VS and clearcuts, "It is important to recognize the differences in type of disturbance between them, and the degree." It is precisely this sort of difference between forest fires and clearcuts, in areas such as Clayoquot sound, that many people (including me) are objecting to. The arguement that clearcutting is cheaper, and cuts jobs in the industry (sorry -- improves mechanization), and some trees grow back after a few years is rather like the arguement used in Love Canal --- it was cheaper, and after you covered it with dirt, it looked almost the same. It was the people who ended up living on the land afterwards who ended up paying the cost. -- -- Stephen Samuel (604)822-9248 samuel@cs.ubc.ca In Biblical times, Lebanon was known for its great cedars. What Rome did to Lebanon, we are now doing to BC.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f504b,2df0ca885034a096 X-Google-Attributes: gidf504b,public X-Google-Thread: 106cdd,f80c700ed7a5048a X-Google-Attributes: gid106cdd,public X-Google-Thread: 10607c,2df0ca885034a096 X-Google-Attributes: gid10607c,public X-Google-Thread: fe386,f80c700ed7a5048a X-Google-Attributes: gidfe386,public X-Google-ArrivalTime: 1993-08-19 17:32:40 PST Path: arc1-ca.pugleaf.net!gmd.de!xlink.net!howland.reston.ans.net!agate!library.ucla.edu!news.mic.ucla.edu!unixg.ubc.ca!cs.ubc.ca!aphrodite.cs.ubc.ca!not-for-mail From: samuel@cs.ubc.ca (Stephen Samuel) Newsgroups: bc.general,can.general,sci.environment,alt.save.the.earth Subject: Re: Effects of biomass reduction in logged forests? Date: 19 Aug 1993 16:23:28 -0700 Organization: Computer Science, University of B.C., Vancouver, B.C., Canada Lines: 40 Message-ID: <25121gINNort@aphrodite.cs.ubc.ca> References: <1993Aug10.220929.14597@jarvis.csri.toronto.edu> <1993Aug14.001119.5465@news.mentorg.com> <24rnll$hu3@skeena.ucs.ubc.ca> NNTP-Posting-Host: aphrodite.cs.ubc.ca Keywords: Stop the Orygun Chainsaw Massacre, etc, etc.