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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_1" src="cid:image003.png@01D4BCAB.B7287B20"><o:p></o:p></span></p>
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<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Hello Everyone,<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">Please join us
<b>this Thursday Feb. 7</b> for this week's Enviro-Lunch talk<b> </b>by Nicholas Dove, at 12-1pm. The room where the seminar will be held will be confirmed on Thursday. Stay tuned for our next announcement.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="color:#212121"><o:p> </o:p></span></p>
<p align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center"><b><span style="font-size:18.0pt;color:#212121">Understanding the long-term temperature response
<o:p></o:p></span></b></p>
<p align="center" style="margin:0in;margin-bottom:.0001pt;text-align:center"><b><span style="font-size:18.0pt;color:#212121">of soil respiration with microbial ecology<o:p></o:p></span></b></p>
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<span style="color:#212121"><img width="384" height="288" style="width:4.0in;height:3.0in" id="_x0000_i1026" src="cid:image005.jpg@01D4BCAB.B7287B20"></span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="color:black">While soils store [</span>~1500<span style="color:black"> Pg] of carbon (C), it is currently unclear how climate change will affect this large C pool. The effect of temperature on enzyme kinetics predicts that as temperatures warm,
microbial activity and cellular respiration will increase, releasing C from soils into the atmosphere. However, the long-term effect of warming on soil likely impacts a myriad of factors affecting the persistence of soil C. Recent evidence from a 20-y warming
experiment suggests that soil respiration responds non-monotonically to warming over time; although, the mechanistic factors for this have yet to be elucidated. We used a 4.5 y whole-profile soil warming experiment coupled with laboratory incubations amended
with different resources to show that soil microbial communities in warmed soils have altered nutrient demands, which profoundly impacts their community composition and metabolism. These differences could account for previously unexplained patterns, and these
insights could help constrain predictions for soil C persistence in a warmed world.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:13.5pt;color:black"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<b><span style="color:black">Bio: </span></b>I am broadly interested in the effects of global change (particularly changes in climate and fire regimes) on soil microbial communities and the biogeochemical processes that they control. I pair traditional biogeochemical
assays with next-generation high-throughput sequencing of microbial DNA and metagenomics to understand linkages between microbial community structure and function. I am in Stephen Hart's Ecosystem Ecology Lab and an affiliate of Lawrence Berkeley National
Lab (formerly a Dept. of Energy Graduate Student Research Fellow), and much of my research takes place in the Southern Sierra Critical Zone Observatory.<span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">When: Thursday 2/7, 12pm – 1pm</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Where: TBA</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Coffee will be provided, please bring your own mugs.</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">We look forward to seeing you,</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Jing & Jennifer</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121"> </span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Organizers for Spring 2019: Jing Yan and Jennifer Alvarez</span><span style="color:#212121"><o:p></o:p></span></p>
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<span style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#212121">Faculty coordinator: Asmeret Asefaw Berhe</span><span style="color:#212121"><o:p></o:p></span></p>
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