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Re: Candidate for Picea pungens - Colorado Blue Spruce

Wonderful find. Quite the beanpole of a tree, only 61 cm dbh! Do you also hunt for these trees anywhere else, or is the San Juans the sweet spot for the species?

Anyway I've updated my page at http://www.conifers.org/pi/Picea_pungens.php with this info.
by Chris Earle
Tue Apr 30, 2013 12:57 am
 
Forum: Tree of the Week
Topic: Candidate for Picea pungens - Colorado Blue Spruce
Comments: 17
Views: 3678

Re: Cloning Ancient Trees

Thanks, Matt, but beware of logrolling. Most of my big trees data comes from big trees websites like this one (full inventory on my Links page at http://www.conifers.org/zz/links.htm#5 ). I don't even own a ranging laser.
by Chris Earle
Tue Apr 30, 2013 12:05 am
 
Forum: General Discussions
Topic: Cloning Ancient Trees
Comments: 11
Views: 1570

Re: Cloning Ancient Trees

This is actually kind of a fun idea. The basic idea here is, of course, really dubious: take a tree that is genetically optimized to grow perfectly well on a perfect site, and then plant it out on all sorts of imperfect sites. These progeny may well not have any adaptive superiority at all. But mayb...
by Chris Earle
Mon Apr 29, 2013 8:29 pm
 
Forum: General Discussions
Topic: Cloning Ancient Trees
Comments: 11
Views: 1570

Re: ‘Shadow Biosphere’ theory gaining scientific support

This article is more than a wee bit disingenuous. The leading quote, for instance, ignores the fact that we have known for over 30 years that desert varnish is a product of microbial activity (Dorn, R.I. and Oberlander, T.M. 1981. Microbial origin of desert varnish. Science 213:1245-1247). I learned...
by Chris Earle
Mon Apr 29, 2013 8:19 pm
 
Forum: General Science Discussions
Topic: ‘Shadow Biosphere’ theory gaining scientific support
Comments: 6
Views: 1504

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