[HubbardBrookCOS] Long-term foliar chemistry--which elements are key?

[Chris E Johnson]

Tom was particularly interested in the accumulation of Zn in birch tissues. Concentrations in wood and bark are a couple orders of magnitude greater than maple and beech. I’m not sure about foliage, but he certainly looked at that.

I would be happy to participate in analysis of trace metals on archived foliage samples.

Chris

From: HubbardBrookCOS [mailto:hubbardbrookcos-bounces at lists.sr.unh.edu] On Behalf Of Nick Rodenhouse
Sent: Tuesday, February 21, 2017 8:19 AM
To: Pardo, Linda -FS
Cc: Merriam, Jeffrey L -FS; hubbardbrookcos at lists.sr.unh.edu; linda.h.pardo at gmail.com
Subject: Re: [HubbardBrookCOS] Long-term foliar chemistry--which elements are key?

The effect of Na on litter inverts (Kaspari et al 2017, Ecology 98(2):315-320) suggests to me that knowledge of Na availability and cycling might be important for understanding food web composition and dynamics.  Studies done years ago at HB also suggested that Na might be limiting for some vertebrates, e.g., deer, salamanders.

If I remember correctly Tom Siccama was convinced that Zn was an element worth watching, but I do not remember why.

Nick

On Sat, Feb 18, 2017 at 6:35 PM, Pardo, Linda -FS <lpardo at fs.fed.us<mailto:lpardo at fs.fed.us>> wrote:
Dear Associates:

As we work on compiling the long-term foliar chemistry record, we will need to fill in gaps of parameters that were not measured by analyzing (or re-analyzing samples). I am writing to you to get your feedback on what elements you consider essential or most important for the long-term dataset.
Below are the ones that have most frequently been measured. We will certainly include the bolded analyses. Please weigh in if you have elements in addition to the bolded ones things that you would like to have data for.

Thanks,

Linda



–        C, N, K, P, Ca, Mg, Mn,

–        15N, 13C

–        Al, Fe, Zn

–        Na, Si, Ti, Cu, Sr, Ba, Rb

–        Others?


[Forest Service Shield]

Linda H. Pardo, PhD
Environmental Engineer

Forest Service
Northern Research Station

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