There are several GPS units with as good or better precision than the GeoXT.
You will need to decide what Basic mapping grade handheld units include the
Leica GS20, Trimble Pathfinder series, and several other survey and mapping
level GPS units. The Trimble GeoXT is a good handheld unit with
There is really no comparison between a Trimble GeoXT and one of the
less expensive Garmin or Magellan units. At best, with WAAS enabled,
you can obtain 2-3 m accuracy horizontally (and around 4-m or so
vertically) with a Garmin or Magellan. Post-corrected data using a
GeoXT can be sub-meter,
Dear Friends,
A few days ago I posted a question on the best way to analyse some data.
Below I summaryze the answers I received, and my original message. Thank you
for your interest!
ORIGINAL MESSAGE
Date:Sun, 26 Mar 2006 08:18:19 -0300
From:Alexandre Souza [EMAIL PROTECTED]
Dear ECOLOG-L list member,
Since 2005, our journal GAIA - Ecological Perspectives for Science and
Society has been covered by the Institute for Scientific Information's
databases (Social Science Citation Index (SSCI) and Current
Contents/Social and Behavioral Science).
To celebrate this
Kristen,
I have used the garmin etrex GPS units for about 6 years now and LOVE
them. They may not be the most accurate available, but they are more than
adequate for our needs. We especially like that they will hold a location
even under a forest canopy. You might be wondering why I'm talking
What Keeland states is exactly true! The selection of one of these =
units is 100% based on what your needs! NPS required us to us to have =
99% precision in order for others to come in and duplicate the study =
with a large degree of assurance. Most studies aren't worried about =
replication
Dear Colleagues-
please note the following symposium on Resiliency of Gadid Stocks to
Fishing and Climate Change which will be held this fall in Anchorage.
This symposium will bring together scientists and managers of gadid and
gadid-like fisheries from the Atlantic, Pacific, and Arctic Ocean
Although, from their web site, it doesn't automatically appear that the
collected orchids are leaving Spain and the publications/courses/research
they are developing appears solid...
A restoration botanist would need to chime in here with whether this is the
best way to handle the situation but I
Part-time Field Assistant Position
Site: Silverton, Colorado.
Duration: June 1 to August 15, 2006.
Project Title: Geology as a Possible Controlling Factor on Beetle
Community Structure in a Mountainous Environment (PhD project).
Job Description: This position will assist in weekly
Does anyone know of papers which examine how accurate forestry measurements
are in various ecosystems (e.g. DBH, species IDing, stem plots, tree
density, etc.)?
--j
--
Jonathan A. Greenberg, PhD
NRC Research Associate
NASA Ames Research Center
MS 242-4
Moffett Field, CA 94035-1000
Phone:
This has been a useful discussion, at least for a relative novice like =
me. Can anyone recommend a good book or web page that covers base =
stations, post-correction, and other GPS techniques in more detail? =
Thanks,
=20
Nate=20
=20
--=20
Nathan Lichti=20
Graduate Research Assistant=20
Title:
M.S. Assistantship in White-tailed Deer Ecology
Agency:
Southern Illinois University Carbondale
Cooperative Wildife Research Laboratory
Location:
Carbondale, IL
Job Description:
M.S. research assistantship available to study the influence of habitat
attributes on contact rates and
One capability that is relatively new that I don't think anyone mentioned is
the ability to display previously uploaded imagery and vectors: depending on
your goal, using the imagery, manual location selection (which is a
capability of TDS's Solo Field, but not, as far as I know, Terrasync or
Dear friends,
Some students here are interested in to start projects in the Brazilian
Cloud Forests and I am trying to help them about the literature.
Then, does anyone know how to obtain a copy of the follow below symposium
book ?
Biodiversity and Conservation of Neotropical Montane
I have found these to be useful websites:
http://gpsinformation.net/
http://elecdata.com/
http://trimble.com/
-Melissa
*
Melissa Merrick
Mount Graham Biology Programs
University of Arizona
School of Natural Resources
Biological Sciences
Volunteer research assistant(s) needed end-May to end-August (specific
dates negotiable) in the investigation of omnivorous food web interactions
in the New Zealand marine intertidal. The assistant will be primarily
responsible for establishing and monitoring laboratory-based experiments
(at
Summer Research Technicians: Forest Community Ecology, Duke University
The Clark lab seeks 4-5 full-time field assistants for summer 2006. We
study plant community ecology and forest responses to global change (see
http://www.biology.duke.edu/clarklab/ for full project descriptions).
Our research
Applications are invited for two scholarships (PhD and MSc level) in
invasion ecology / applied mathematics based in the Department of
Mathematics and Statistics at Canterbury University, New Zealand and the
Bio- Protection and Ecology Division at Lincoln University, New Zealand. The
research
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