Lee, Thank you, enlightening as usual.
Gary Prof. Gary A. Beluzo Systems Ecologist Holyoke Comm College 303 Homestead Ave Holyoke, MA. 01040 On Jul 31, 2009, at 9:32 AM, Lee Frelich <[email protected]> wrote: > > Gary: > > Red pine is a difficult species to follow in the fossil record, > because > its pollen is not differentiated from jack pine. However, pollen > viewer > does show the millennial changes in distribution of red plus jack > pine. > They made the most northward retreat at the peak of the Holocene warm > period, about 7,000 to 5,000 ybp, and then started advancing south and > west during the last few thousand years. That advance has now halted > due > to habitat conversion, Diplodia blight, fire suppression, and reversal > of the natural cooling trend in the climate. We do expect red pine > to be > one of the most sensitive to species to warming climate, but so far > habitat conversion and Diplodia have caused greater retreat than the > climate. > > Lee > > Gary A Beluzo wrote: >> The USFS distribution map for red pine shows the northern half of MA >> with scattered coverage. I wonder if red pine continues to retreat >> during this interglacial and if anthropogenic global warming has >> accelerated the march northward. >> >> Gary >> >> Prof. Gary A. Beluzo >> Systems Ecologist >> Holyoke Comm College >> 303 Homestead Ave >> Holyoke, MA. 01040 >> >> >> On Jul 31, 2009, at 8:30 AM, [email protected] >> <mailto:[email protected]> wrote: >> >>> Mike, >>> >>> Tad Zebryk, formerly of Harvard Forest cored red pines on the >>> upper slopes in Ice Glen in Stockbridge. We got 211 years for our >>> oldest pine. Others were just a few years younger. Dave Orwig at >>> Harvard Forest cored red pines on the Mount Tom escarpment and got >>> comparable ages to Ice Glen red pines. There are old red pines at >>> High Ledges near Shelburne Falls. There is also some red pine on >>> Monument Mountain. The species is definitely native to >>> Massachusetts, >>> hugging the high, dry places as you suspect. >>> Red pine grows on other ledge environments on Mount Tom, >>> although not much. I expect the Natural Heritage Program knows of >>> most of there whereabouts. All these spots are photographic >>> objectives of mine. >>> >>> Bob >>> >>> >>> ----- Original Message ----- >>> From: "Mike Leonard" <[email protected] >>> <mailto:[email protected]>> >>> To: [email protected] <mailto:[email protected]> >>> Cc: "Joseph Zorzin" <[email protected] >>> <mailto:[email protected]>>, "Claudia Hurley" >>> <[email protected] <mailto:[email protected]>>, "Stephen >>> Kaiser" <[email protected] <mailto:[email protected]>>, >>> "Mike >>> Ryan" <[email protected] <mailto:[email protected]>>, "Sharl >>> Heller" <[email protected] <mailto:[email protected]>> >>> Sent: Friday, July 31, 2009 6:44:21 AM GMT -05:00 US/Canada Eastern >>> Subject: [ENTS] Re: Mt Tom Adventures >>> >>> Will, >>> >>> Thanks for sending those images. OK I think I remember seeing these >>> trees when I hiked the ridge. >>> >>> The controversy about red pine began when our state agency DCR >>> started to clearcut the red pine plantations which were planted in >>> the 1930s – 1940s. One of the stated reasons for their removal was >>> that red pine is non-native to MA but the silvics range map does >>> show >>> its range extending into western MA. Now when DCR wants to clearcut >>> these plantations they say the red pine was planted “off-site”. >>> Well >>> it is true that native red pine is definitely a rare thing to see >>> around here but we shouldn’t be so quick to wipe out all the pla >>> nted >>> red pine. The exception would be in the pine barrens of Myles >>> Standish in SE MA where most should be removed. In other areas >>> modified shelterwoods can be used which retain high quality >>> “standards” for aesthetic purposes. >>> >>> Red pine is an awesome tree except it is not too resistant to snow >>> and ice damage. The red pine plantations around the Worcester >>> reservoirs in Paxton and Rutland, for example, were devastated by >>> last year’s ice storm snapped off like matchsticks. But if it has >>> room to grow throughout its life it can become pretty impressive. >>> Most likely any native red pine here could only survive on dry >>> exposed sites like this where there is less competition and the area >>> is prone to disturbance like fire or windthrow. >>> >>> Have you or Bob cored these trees? If so, how old are they? >>> >>> The Mt. Tom Range is definitely worthy of being designated as a >>> Forest Reserve. How about showing an image of the extraordinary >>> basalt columns? >>> >>> Mike >>> >>> -----Original Message----- >>> *From:* [email protected] >>> <mailto:[email protected]> >>> [mailto:[email protected]]* On Behalf Of* Will >>> Blozan >>> *Sent:* Thursday, July 30, 2009 8:57 PM >>> *To:* [email protected] >>> <mailto:[email protected]> >>> *Subject:* [ENTS] Re: Mt Tom Adventures >>> >>> >>> >>> Mike, >>> >>> These are some shots I took back in 2004. >>> >>> Will F. Blozan >>> >>> President, Eastern Native Tree Society >>> >>> President, Appalachian Arborists, Inc. >>> >>> *From:* [email protected] >>> <mailto:[email protected]> >>> [mailto:[email protected]]* On Behalf Of* Mike >>> Leonard >>> *Sent:* Thursday, July 30, 2009 7:07 PM >>> *To:* [email protected] >>> <mailto:[email protected]> >>> *Cc:* 'Belchetz-Swenson, Sarah'; 'Carr, Robert'; >>> 'Dittmer, Paul'; 'Davis, John'; 'Goodrich, John'; >>> 'Heller, Sharl'; 'Hurley, Claudia'; 'Kaiser, Amy'; >>> 'Jakuc, Denis'; 'Morrison, Laurie Sanders & Fred'; 'Neil, >>> Rick'; 'Seale, Doug'; 'Weiss, Nancy'; 'Weil, Phoebe'; >>> 'White, Richard'; 'Zorzin, Joseph'; 'Williams, Bill'; >>> [email protected] >>> <mailto:[email protected]>; >>> [email protected] >>> <mailto:[email protected]> >>> *Subject:* [ENTS] Re: Mt Tom Adventures >>> >>> Bob, >>> >>> I was real interested in that dwarf old growth native red >>> pine you wrote about on Mt. Tom. Have you photographed >>> that? That would be something of a rarity. >>> >>> Yes I’ve hiked through Mt Tom’s gorgeous hemlock for >>> est. >>> Does DCR have any strategy to protect it from the HWA? >>> >>> Mike >>> >>> _www.northquabbinforestry.com_ >>> <http://www.northquabbinforestry.com> >>> >>> -----Original Message----- >>> *From:* >>> [email protected] >>> <mailto:[email protected] >>> > >>> [ <mailto:[email protected] >>> > >>> >> >>> > > > --~--~---------~--~----~------------~-------~--~----~ Eastern Native Tree Society http://www.nativetreesociety.org Send email to [email protected] Visit this group at http://groups.google.com/group/entstrees?hl=en To unsubscribe send email to [email protected] -~----------~----~----~----~------~----~------~--~---
