Jan, Neil, and Forum:

Thanks. It's good to know about the project. While elevation is certainly one gradient (and latitude is another), I was thinking more of those that might make up those kinds of gradients. Temperature, pH, and humidity, for example, are just some of the more precisely quantifiable gradients that might be part of a measurable diagram of species, ecotype, or other category of life-form that would, if sufficiently well-done, be a predictor of both life-form and habitat. Ricklefs, for example, suggested such a diagram, if I recall correctly, in his 2nd edition of "Ecology." I was hoping to be brought up to date on what might have been done with this concept since that publication. Perhaps your research involves such measures, or if others might know of publications which have further refined the concept since those days . . .

WT

jan kerata wrote:
Wayne, here's a reference for work being done in Northern AZ, I hope this is what you were looking for. Our Director, Neil Cobb, can answer any questions.
Jan

http://www.mpcer.nau.edu/gradient/

Wayne Tyson wrote:
What's the latest word on environmental gradients? Diagrams? Applications?
Thanks in advance,
WT

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