Re: phenology/bloom times
- To: "SIGNA/Iris-species" <i*@yahoogroups.com>
- Subject: Re: [iris-species] phenology/bloom times
- From: &* A* M* <n*@charter.net>
- Date: Mon, 22 Mar 2004 09:55:19 -0500
It is possible the kinds of records being discussed do already exist.
In SW Idaho, back in the days I was involved in the fruit industry and raising apples and plums, we had considerable contact and cooperation with the weather service.
Since peach, plum and apple bloom times in that area and in the Columbia Basin, Washington state, are determined (or at least, predicted from) "degree days above 40 degrees" the weather service has kept records annually of degree days, let alone daily maxima and minima, for a very long time.
The iris and spring bulb bloom dates did not correlate perfectly with the fruit trees, I suppose because of the soil depth of the root systems and the rates of change of temperature in the soils progressing from surface to depth, making the shallow-rooted plants more responsive to modest warming than the deeper-rooted trees.
Nonetheless, the correlation did exist, even if less than 1.00. I would imagine thoseFrom sentto-8878230-2171-1080236269-listarchive=mallorn.com@returns.groups.yahoo.com Thu Mar 25 11:37:51 2004
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Date: Thu, 25 Mar 2004 18:37:55 +0100
Subject: Re: [iris-species] ecosystems, climates...
Reply-To: iris-species@yahoogroups.com
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Hi all,
I have been doing some registration on Reticulata and Juno's in my garden some years ago, I still have them if anyone is interested.
Med venlig hilsen/Kind regard/Mit freundlichen Grüssen
Lars Høpfner
Langengen 38, Svogerslev
4000 Roskilde
Denmark
Tlf. (045) 46 38 44 30
Email: hoepfner@privat.dk
----- Original Message -----
From: Robt R Pries
To: iris-species@yahoogroups.com
Sent: Monday, March 22, 2004 4:02 PM
Subject: Re: [iris-species] ecosystems, climates...
There is really no argument. Regions experience changes both warmer and colder and continue to do so. Global refers to the heat content of the whole planet. It is that data from everywhere that is assembled to define this situation. As an ecologist I have no doubt that the earth is warming, but I will leave discussions of what we can, will, or should do about it to other forums. Despite the fact that you have to stick the thermometer in thousands of places to take the worlds temperature, we now have data that goes back 100 years and there is a steady rise. The analysis of risk and the benefits of attacking the situation verses the costs are all political and open to some interpretation, but there is no credible data that says this globe is not getting warmer.
BigAlligator@aol.com wrote:
In a message dated 3/21/2004 9:22:33 PM Eastern Standard Time, oneofcultivars@aol.com writes:
My personal opinion is the world's echosystem has been adjusting and readjusting since time immamorial: it has never been static nor will it ever be irrespective of man's intervention or lack there of.
Bill,
You are right on that... One thing I have thought of is the way the citrus belt keeps being pushed farther southward. In 1880, Oranges were grown as far north as Tifton, Georgia. Ever since, it has been pushed farther and farther southward.
Up to 1894, this area was a major citrus growing area. Nearby Citrus County owes its name to the massive groves that once existed there. In 1894, a series of brutally cold weather fronts, some with snow, destroyed 100% of the groves here. The temperature during this time fell to as low as -1 F, possibly a little colder in the hills.
In the 1920's there was a marginally successful attempt to bring back the Citrus crops here, but for the most part, they kept getting wiped out. The winter of 1977 finished it off with yet another trip to -1 F and snow having been on record here. There were some more cold snaps throught the 1980's.
Under the current patterns, it is far too cold to grow those crops here. The only Citrus trees in this area now are those of hobby growers in very sheltered locations, and those are "replanted" trees.
When I first visited Florida in 1975, I remember seen massive Orange groves on the hills northwest of Orlando. When I was there in 1986, it was nothing but dead trees.
Mark A. Cook
BigAlligator@aol.com
USDA Zone 8b Sunset Zone 28
Dunnellon, Florida USA.
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<DIV><FONT face=Arial size=2>Hi all,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have been doing some registration on Reticulata
and Juno's in my garden some years ago, I still have them if anyone is
interested.</FONT></DIV>
<DIV> </DIV>
<DIV>Med venlig hilsen/Kind regard/Mit freundlichen Grüssen</DIV>
<DIV> </DIV>
<DIV>Lars Høpfner<BR>Langengen 38, Svogerslev<BR>4000
Roskilde<BR>Denmark</DIV>
<DIV> </DIV>
<DIV>Tlf. (045) 46 38 44 30<BR>Email: <A
href="h*@privat.dk">hoepfner@privat.dk</A></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=rpries@sbcglobal.net href="r*@sbcglobal.net">Robt R
Pries</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=iris-species@yahoogroups.com
href="i*@yahoogroups.com">iris-species@yahoogroups.com</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, March 22, 2004 4:02
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [iris-species] ecosystems,
climates...</DIV>
<DIV><BR></DIV>
<DIV>There is really no argument. Regions experience changes both warmer and
colder and continue to do so. Global refers to the heat content of the whole
planet. It is that data from everywhere that is assembled to define this
situation. As an ecologist I have no doubt that the earth is warming, but I
will leave discussions of what we can, will, or should do about it to other
forums. Despite the fact that you have to stick the thermometer in thousands
of places to take the worlds temperature, we now have data that goes back 100
years and there is a steady rise. The analysis of risk and the benefits of
attacking the situation verses the costs are all political and open to
some interpretation, but there is no credible data that says this globe is not
getting warmer.<BR><BR><B><I>BigAlligator@aol.com</I></B> wrote:
<BLOCKQUOTE class=replbq
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"><FONT
face=arial,helvetica><FONT lang=0 face=Arial size=2 FAMILY="SANSSERIF"
PTSIZE="10">In a message dated 3/21/2004 9:22:33 PM Eastern Standard Time,
oneofcultivars@aol.com writes:<BR><BR>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px"
TYPE="CITE">My personal opinion is the world's echosystem has been
adjusting and readjusting since time immamorial: it has never been static
nor will it ever be irrespective of man's intervention or lack there of.
<BR></BLOCKQUOTE><BR><BR>Bill,<BR> You are right on
that... One thing I have thought of is the way the citrus belt
keeps being pushed farther southward. In 1880, Oranges were grown as
far north as Tifton, Georgia. Ever since, it has been pushed farther and
farther southward. <BR> Up to 1894, this area
was a major citrus growing area. Nearby Citrus County owes its name to
the massive groves that once existed there. In 1894, a series of
brutally cold weather fronts, some with snow, destroyed 100% of the groves
here. The temperature during this time fell to as low as -1 F,
possibly a little colder in the hills.<BR> In the
1920's there was a marginally successful attempt to bring back the Citrus
crops here, but for the most part, they kept getting wiped out. The
winter of 1977 finished it off with yet another trip to -1 F and snow having
been on record here. There were some more cold snaps throught the
1980's.<BR> Under the current patterns, it is far
too cold to grow those crops here. The only Citrus trees in this area
now are those of hobby growers in very sheltered locations, and those are
"replanted" trees. <BR> When I first visited
Florida in 1975, I remember seen massive Orange groves on the hills
northwest of Orlando. When I was there in 1986, it was nothing but
dead trees. <BR><BR>Mark A. Cook<BR>BigAlligator@aol.com<BR>USDA Zone
8b Sunset Zone 28<BR>Dunnellon, Florida USA.</FONT>
</BLOCKQUOTE></DIV></FONT><BR>
<br>
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