[TN-Butterflies] Re: FOY Reports
- From: "Michael" <mlbierly@xxxxxxxxxxxxx>
- To: <ajtcorax@xxxxxxxxxxx>, "'Tennessee Butterflies'" <tn-butterflies@xxxxxxxxxxxxx>
- Date: Wed, 11 Mar 2009 20:01:25 -0500
Some weeks ago I had a discussion with Steve on his FOY reports. My bottom
line was that FOY was not enough. He had remarked in a previous post about
wanting to determine early and late dates for counties, peak times,
patterns, etc. statewide. In order to do this, you have to have more
information than FOY. We need FOY, PEAKS, TRENDS, LOY, and more. When I
looked at Steve's summary of 2008 sightings, my first analysis was that
there were only three Giant Swallowtails seen in the state in 2008, and only
seven species of butterflies seen in Davidson County all year. Of course,
both are incorrect, but the substantiating data otherwise is not there. I
know that it says FOY, but there were only seven FOY species of Davidson
County in 2008, thus, only seven species. Yes, I know within a month, but
that is not justifiable in that there are not enough observers to report
such within a month. What here is more important is that the species is
present in that county on that date, no matter how long after the first
date. Over a few years, patterns will develop. I am all with Steve about
reporting observations to Butterflies I've Seen,
http://www.nababis.org/servlets/Sightings. What few I have here at Kentucky
Manor are reported. What is needed now is not limiting reporting, but
expanding reporting. At the end of each season, a summary should be compiled
and with each succeeding season's perception on each species modified with
the additional data. It has been like that in birds for over 40+ years I
have been involved with that subject.
Michael Lee Bierly, Nashville, Davidson County, TN
-----Original Message-----
From: tn-butterflies-bounce@xxxxxxxxxxxxx
[mailto:tn-butterflies-bounce@xxxxxxxxxxxxx] On Behalf Of Allan Trently
Sent: Wednesday, March 11, 2009 3:39 PM
To: Tennessee Butterflies
Subject: [TN-Butterflies] Re: FOY: Cabbage White in Hamilton County, 3/8/09
I was wondering if FOY reports would be more useful if they were from
regions. It could be from simple regions such as east, central and west TN
or something more biogeographical like Blue Ridge, Ridge and Valley, Coastal
Plain, Highland Rim... The second would be more useful maybe in a
biological sense but may discourage people from reporting since they may not
know their region. Just a thought.
Allan Trently ajtcorax@xxxxxxxxxxx
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