Re: Some musings on current local tree diseases/Pinus radiata
- Subject: Re: Some musings on current local tree diseases/Pinus radiata
- From: P* B*
- Date: Tue, 15 Jan 2002 03:52:02 -0800
- Disposition-notification-to: "Phil Bunch"
Don't worry about Q. engelmannii. It is alive, well and fairly common
in San Diego County. Just drive out Highway 67 to the Ramona and
Julian areas. You will see many at moderate elevations along the way.
Phil Bunch
----- Original Message -----
From: "Jason D" <jjuania@yahoo.com>
To: <jonivy@earthlink.net>; <davidfeix@yahoo.com>;
<mark@lamorran.fsworld.co.uk>
Cc: "medit-soc" <medit-plants@ucdavis.edu>
Sent: Monday, January 14, 2002 17:58
Subject: Re: Some musings on current local tree diseases/Pinus radiata
> Count me as one of the millions of Californians who's
> been to Pasadena many times and never seen a Quercus
> engelmanniii. So sad. It's the only species in its
> section of the genus native to California. Some day,
> before it's too late, I'll have to make a special trip
> to the conservation area in Riverside County where
> they still grow.
> -Jason Dewees
> San Francisco
>
> --- John MacGregor <jonivy@earthlink.net> wrote:
> > > David Feix wrote:
> > >
> > >> A few of the "facts" quoted in the article are
> > also
> > >> not quite right. Coast Live Oaks are by no means
> > >> rare, they are still abundant along most of the
> > >> coastal ranges, and one of the most common oaks
> > in
> > >> California. There are several other Live Oak
> > species
> > >> such as Q. chrysolepis in inland areas and Q.
> > >> engelmannii in southern California which tend to
> > >> replace Q. agrifolia, the most common species in
> > the
> > >> San Francisco Bay Area.
> > >
> > > I agree completely with most of David's post, but
> > one small part is not
> > > quite right. Quercus agrifolia is also the most
> > common oak in southern
> > > California. Quercus engelmanii is less
> > drought-tolerant than Q. agrifolia.
> > > It tends to cluster around sources of underground
> > water, like fault lines
> > > where soil, rock, and gravel strata are
> > discontinuous and water often flows
> > > near the surface. This happens along the Raymond
> > Hill Fault in Pasadena (I
> > > live and work on it). Q. engelmanii occurs all
> > along the faultline (or
> > > used to before Homo californicus became addicted
> > to building right on
> > > earthquake faults.)
> >
> > I meant to add, Q. engelmanii has now virtually
> > taken on the classification
> > of a rare endemic--certainly in the more intensely
> > developed areas of
> > southern California.
> >
> > John MacGregor
> > South Pasadena, CA 91030
> > USDA zone 9 Sunset zones 21/23
> >
>
>
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