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<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"><img width="284" height="74" style="width:2.9583in;height:.7708in" id="Picture_x0020_3" src="cid:image001.png@01D59DEC.B139B710" alt="cid:image001.png@01D59005.A825E670"></span><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Hello Everyone, please join us
<b>This Thursday </b>for this week's Enviro-Lunch talk<b> </b>by Craig See from University of Minnesota, at 11 am to noon</span>
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">in room
</span><b><u><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">SRE 475</span></u></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">.
</span><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Our new building, Sustainability Research & Engineering, is near the Yablokoff Wallace Dining Center.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
<p align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center"><b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">Increases in forest productivity and litterfall N flux
<o:p></o:p></span></b></p>
<p align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center"><b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">are constrained by soil mineral phosphorus content<o:p></o:p></span></b></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><u><span style="font-size:12.0pt;color:black">Bio:<o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I am an ecosystem ecologist interested in how plants and their associated microbes affect the flow of carbon into and out of ecosystems. I am a Ph.D. candidate at University of Minnesota working
with Peter Kennedy and Sarah Hobbie. My doctoral research focuses on the functional roles of mycorrhizal fungi in soil organic matter accumulation, but my previous work has focused primarily on aboveground processes. I’m a native Minnesotan, but much of my
work has taken place in the Appalachian forests of New Hampshire and North Carolina. I am at the Lawrence Livermore National Laboratory right now for one year of Internship.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:12.0pt;color:black">Work to be presented: <o:p></o:p></span></u></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:12.0pt;color:black">It is now clear that many terrestrial ecosystem processes are co-limited by nitrogen (N) and phosphorus (P). Theory predicts that the ability of forests to sequester anthropogenic
C and N will depend in part the ability of soils to provide additional P to maintain plant demand. We tested this prediction using a 14-year record of tree growth, and a 20-year record of annual litterfall N flux in five forests at the Coweeta Hydrologic Laboratory,
NC. We found that rates of increase in primary productivity and N cycling were proportional to increases in soil phosphorus (P) availability, which in turn was a function of the primary mineral P content of soils in these forests. Foliar N:P stoichiometry
from the beginning of the time series suggests that all of these forests were experiencing some degree of P limitation. Our results demonstrate that local variation in soil mineral composition will be an important mediator of terrestrial ecosystem response
to global change. <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><o:p> </o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:black"> </span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">When: Thursday 11/21, 11am – noon</span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Where:
</span><b><span style="font-family:"Arial",sans-serif;color:#212121">SRE 475</span></b><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">We look forward to seeing you,</span><o:p></o:p></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Yang, Jennifer and Jing</span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Organizers for Fall 2019: Yang Yang and Jennifer Alvarez</span><o:p></o:p></p>
<p style="margin:0in;margin-bottom:.0001pt;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Faculty coordinator: Asmeret Asefaw Berhe</span><o:p></o:p></p>
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