Interesting. Maybe salt is also inhibiting lichen growth in the second location.
-Jennie On Oct 28, 10:41 pm, Andrew Joslin <[email protected]> wrote: > Agreement here that higher "atmospheric" moisture levels increases > epiphyte biomass with the qualification that microclimate/habitat plays > an important role in addition to proximity to water. In eastern New > England this is very observable. Here's a canopy view of a mature > American Beech in forest habitat on Aquidneck Island in Rhode Island > (beech of this tree's size on Aquidneck have been aged to 300 years old > via core samples):http://tinyurl.com/ygvxusq > > Compare that to the low lichen density on canopy limbs in a similar > age/trunk diameter American Beech also on Aquidneck Island. The tree is > close to the ocean but in an exposed habitat without the benefit of > surrounding woods roughly a half mile from the previous > beech:http://tinyurl.com/yknvy6z > -AJ > > Edward Frank wrote: > > Jennie, > > > Welcome to ENTS. You have expressed is a pretty brood range of > > interests in New England forests. Certainly there are people here on > > the list that can address many of your questions. There is a search > > engine on the home page of the ENTS website > >http://www.nativetreesociety.orgthat lets you search for subjects on > > the website. > > > I want to address one limited portion of your interests. There are a > > few epiphyte related posts on the ENTS website. > >http://www.google.com/cse?cx=006676912687047811455%3Axki1xeiyulm&ie=U... > > <http://www.google.com/cse?cx=006676912687047811455%3Axki1xeiyulm&ie=U...> > > In general there appears to be a positive link between the amount of > > moisture present , and the number and variety of epiphytes present in > > the trees. At Pictured Rocks National Seashore in MI for example, > > there was a band of trees along the lake that were covered with > > epiphytes, while farther from shore they were less developed. This is > > likely a result of fog coming in from lake Superior. There are likely > > similar situations in New England near larger lakes and the ocean. I > > don't know if anyone has systematically looked at the question there. > > > Ed Frank > > > Check out my new Blog: http://nature-web-network.blogspot.com/(and > > click on some of the ads) --~--~---------~--~----~------------~-------~--~----~ 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] -~----------~----~----~----~------~----~------~--~---
