Wayne, Check the World's water by Gleick et al. It has a nice table with various water contents.
Adrian On Wed, Aug 19, 2009 at 6:19 PM, Wayne Tyson<[email protected]> wrote: > Ecolog: > > I have not kept up to date in this area, but I hope someone will be kind > enough to help me facilitate the necessary work to rectify that, beginning > with answers to the following question: > > 1. Has anyone studied the ratio of total water intake to biomass exclusive > of water content? (For example, a cactus and a "corn" plant? I would be most > interested to see graphic comparisons of a diverse and large number of > species. I am curious about the range of differences and the research > methodology.) > > WT > > PS: I have left the message below attached for reference; it stimulated the > question, but there is no direct relationship. > > ----- Original Message ----- From: "Will Cook" <[email protected]> > To: <[email protected]> > Sent: Wednesday, August 19, 2009 10:09 AM > Subject: [ECOLOG-L] Postdoc: Ecohydrology/Plant Water Use, Duke University > > > [For more opportunities, please see the ESA Ecophys section website > http://www.biology.duke.edu/jackson/ecophys/postdoc.htm ] > > Postdoctoral Position in Ecohydrology – Plant Water Use > > The Biology Department and Nicholas School of the Environment at Duke > University seek a biological or earth system scientist in ecohydrology > and plant water transport. The three-year project, funded by the > National Science Foundation, compares the functioning of deep (5-20 > meters underground) and shallow roots and stems for trees growing in the > southern United States. It uses a novel cave system developed by the PIs > in central Texas to study tree roots in situ and is based on previous > molecular-based fingerprinting to match the roots to their respective > shallow counterparts and tree trunks. The research questions include, 1) > How much water that trees use comes from deep underground? 2) What are > the unique physical characteristics of deep roots that promote water > transport? and 3) To what extent do specialized water channels in plants > contribute to their ability to take up and transport water? Primary > responsibilities may include installation and maintenance of sapflow and > microclimate monitoring equipment, periodic collection of plant > physiological and structural data, lab physiological and hydraulic > measurements, and/or modeling of water uptake and transport. > > Send a CV, statement of interests, and names of three references to: > [email protected] or Rob Jackson, Professor, Biology Department and > Nicholas School, Box 90338, French Sciences Building 3311, Duke Univ., > Durham, NC 27708-0338. Duke is an equal opportunity employer; minority > applicants are strongly encouraged to apply. Applications will be > reviewed as they are received; please apply by September 15, 2009 for > full consideration. Lab web page: http://www.biology.duke.edu/jackson > > -- > Charles W. (Will) Cook w 919-660-5144 > http://www.duke.edu/~cwcook [email protected] > Box 90338, Biology Dept., Duke Univ., Durham, NC 27708 > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.409 / Virus Database: 270.13.61/2313 - Release Date: 08/19/09 > 06:03:00 >
