Steve- Sadly enough, American Forests initially accepts Biltmore stick-ed heights...as a quick estimate to assess consideration, it would be fine with me, but I'd be inclined to asterisk it for future visit, particularly if it were a fellow ENT who just happened to have only a Stick along... -Don
> Subject: [ENTS] Re: Tree Measurement Data Spreadsheet > Date: Tue, 30 Jun 2009 16:44:38 -0500 > From: [email protected] > To: [email protected] > > > Guys, > > Points taken; as the younger generation says, "my bad!" At first > glance, I thought the spreadsheet was enabling the measurer to record > the measurements with either a clinometer or range finder depending on > what he/she may have; perhaps "double-checking" with range finders of > potential champs as Don has noted. > > I suppose a Biltmore Stick is out of the question (tongue in cheek)! > > Steve Springer > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Edward Frank > Sent: Tuesday, June 30, 2009 4:30 PM > To: [email protected] > Subject: [ENTS] Re: Tree Measurement Data Spreadsheet > > Don, > > I do not want the data if it is measured using a clinometer at a certain > distance from the base. Less data that is accurate is preferable to > lots of data that incorporates unacceptable errors. The trees can be > measured using a laser & clinometer sin/top sine/bottom method, by > pole measurements, or by climbs and tape drops. Some combinations of > these are fine. We can not accept clinometer at a set distance > measurements into the dataset or it is useless for the purposes we > desire. I don't trust data collected that way even if the measurer is > meticulous in how it is collected, no matter who they may be. > > Ed > > ----- Original Message ----- > From: DON BERTOLETTE <mailto:[email protected]> > To: [email protected] > Sent: Tuesday, June 30, 2009 5:22 PM > Subject: [ENTS] Re: Tree Measurement Data Spreadsheet > > Steve- > One of things we've discussed relative to data collection is > that we're pretty much happy to have as many measurers out there > measuring their hearts out, using whatever equipment that is available > to them, we just need to know what level of accuracy we'll expect based > on their equipment...if they're truly champion contenders, more accurate > equipment, teams would be brought to bear. > Until the laser rangefinders drop in price some more, so that > more folks can afford them, the wily clinometer user can extract fairly > good data, under a certain range of conditions, which get explored in > Will's measurement tome. > Good point! > -Don > > > > > > > > > _________________________________________________________________ Lauren found her dream laptop. Find the PC that’s right for you. http://www.microsoft.com/windows/choosepc/?ocid=ftp_val_wl_290 --~--~---------~--~----~------------~-------~--~----~ 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] -~----------~----~----~----~------~----~------~--~---
