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VOLUME 1-5 1 FALL 2010 NEWS AZ Center for

Grant, cont. on back PAGE 6: STEM Teachers completes second summer institute. he National Science Foundation (NSF) recently awarded a three-year, $424,623 grant to University of researchers to investigate how plants and microbes influence mineral weathering and leaching of mineral-forming elements. This research will look at how tree and grass species common to the western United States (Ponderosa pine and Buffalo grass) affect bacterial and fungal communities (particularly mycorrhizal fungi) to promote the weathering of rock-derived minerals and the incipient formation of soil. Scientists will focus on interactions between biological and mineral components during laboratory-based weathering of four common rock types (basalt, granite, schist, and rhyolite) and the extent to which this weathering results in chemical loss versus biomass accumulation or re- precipitation of dissolution products. The research team is led by Katerina Dontsova, an assistant research professor at 2 Earthscience, and includes Travis Huxman, director of and professor of ecology and evolutionary biology, in addition to professors Jon T New Grant Supports Study of Plant, Microbe Effects Weatheringon Largest telescope

PAGE 5: dedicated to public observing in the Southwest. n Biosphere 2

PAGE 4: receives gift to conduct storm water research. he College of Science is developing a comprehensive outreach plan to take advantage of the incredible opportunities afforded us through facilities such as Biosphere 2, the Flandrau Science Center, , and the Mt. Lemmon SkyCenter. This effort will combine both our informal, public outreach activities with our more formal K-12 education outreach programs. We believe that by helping to coordinate and integrate our outreach efforts, we can have a significant, positive impact on our local community. T

Building

mountains in Biosphere 2. PAGE 2: INSIDE THIS ISSUE Elliott Cheu Associate Dean College of Science We areWe very excited about the possibilities afforded us by our new outreach activities. The new innovations and research within the UA College of Science will now be more readily shared with both the general public as well as our colleagues in the K-12 education system. expect We that this will have a very positive impact on the Tucson region, and will further enhance the very things that make Tucson a special place. Another K-12 outreach effort is an initiative to create a community of educators, including K-12 teachers, UA staff andbuild To faculty. such a community, we are creating a number of new resources that will help each of these constituents to connect to each other. One such resource is a new website that has a searchable faculty/staff database that teachers can use to help find researchers engaged in activities such as classroom visits, lab tours, and public lectures. are We also offering a series of Teacher Science Cafes, where teachers can learn about science, interact with other teachers, and find out the latest offerings at the UA. expect We to expand upon these new initiatives to help build a broad and dynamic educator community. In addition to these formal education programs, we are beginning to integrate the public outreach efforts throughout the College of Science. In the K-12 sector, we are developing a number of significant new programs. One example is a college-wide service learning program, where undergraduate and graduate students will work with middle- and high-school students to provide mentoring and tutoring opportunities. This program will also include sponsored trips to UA Science facilities such as Flandrau and Biosphere 2, where secondary school students will engage in fun, educational activities to further explore the role of science in their . These trips will also help acquaint students to the UA as a future destination, breaking down some of the barriers to higher education. Message from the Associate Dean from the Associate Message VOLUME 1-5 2 FALL 2010 Featured Research together requires new tools, new new tools, new requires together work cycle water the of components these of all how understanding isolation; in studied when enough complicated is systems these of Each atmosphere? the to back and streams, and rivers reservoirs, groundwater plants, soil, the into landscapes, across distributed are rains much-needed how understand fully we Do survival? for and ecosystems local of success the and rains, seasonal sources, water local on depend that everywhere and here places arid of fate the be will what warms, climate our As environment. natural our in else all above water of importance the and regions, arid in of nature dynamic the of sense a dwellers give trees verde palo and mesquite green thick, and ground wet water, running of periods brief The go. and come rains the as day to day from change can vegetation animals; and plants by opportunistically used is rainfall limited our that We see seasons. rainy the through damp and cooler stay areas other while sun, warm the of reappearance the with rapidly dry and quickly runoff generate areas some here, rains it when that intuitively We understand peaks. the at forest pine moist cool, the to up base the at desert rocky open from – elevation with dramatically change also slopes mountain the that see to upward look to need just we Tucson, From oak. and juniper of moist—slopes even shady—perhaps cooler, reveal might exposure in change a trail, the in bend a around just while cactus, and grass yucca, with covered slopes E Observatory Evolution Landscape The 2: Biosphere in Mountains Building wanted to know the truth about water” about truth the you know if to come wanted would you that said, I place, the is “This take you across hot, dry, rocky rocky dry, hot, across you take can Southwest the of mountains the into hike short a ven —Craig Childs, in the Grand the in Childs, —Craig it no longer appears to be a be to appears longer no it until smaller gets walking are you which in channel stream the until upstream continue can you canyon, mountain a of reaches upper the to hiking are you If hilllslope? a is What “hillslopes." of models physical be to intended are landscapes The (LEO). Observatory Evolution Landscape 2 Biosphere the as known be will watersheds artificial three The environment. controlled highly large-scale, a in energy and life water, of measurement detailed permit that tools new of development and disciplines earth-science of range a from scientists between cooperation unprecedented require and complicated, tremendously are questions Both time? over landscapes change activity biological does how and time, over landscapes change and with interact rainwater does How questions: scientific significant two tackle to us allow will models physical huge These . agriculture former the inside landscapes artificial two-million-pound three building are We ago. years 20 over construction original its since 2 Biosphere to change structural largest the begun have we change, climate to respond will cycle water terrestrial the how predicting of goal the With disciplines. science earth of range wide a from experts of teams new and models, predictive Observatory watersheds. watersheds. Evolution Observatory Lansdcape the of model structural Preliminary we are building in the LEO are are LEO the in building are we landscapes large The soil. of bits tiny of erosion and soil, underlying into infiltration surface, the over runoff plants, by interception as such storms, rain during it on occur will processes different Many shape. and plants, soils, of type certain a have will hillslope the facing, is slope the direction and geology, elevation, climate, the on Depending channel. river the to get to hillslopes these (infiltrate) through move or cross either must falls that rain any and channels, not hillslopes, of up made is you around landscape the of majority vast the that notice might you point, this At hillslope. a termed is you above landscape unchanneled The you. above ridge the of top the at yet not are you but head, channel the reached You have all. at channel VOLUME 1-5 3 FALL 2010 n Where science lives. iosphere 2 kicked off its first Research Experiences for Undergraduates (REU) program this past summer thanks to a $400,000 grant from the National Science Foundation. The program hosted 10 undergraduate students from several disciplines within earth and environmental sciences, who came from 8 different universities across the country (including one from the University of Arizona) to live at Biosphere 2 and work in research labs there and at the University of Arizona. Each student worked with a faculty mentor over the course of 10 weeks to design and implement a research project from start to finish. For many students, it was their first experience conducting field and lab research. The students completed their summer with poster presentations at the University of Arizona Undergraduate Research Opportunities Consortium Conference. In addition, Cynthia Wright, who was mentored by Dr. Greg Barron-Gafford, presented her research at the Society for the Advancement of Chicano and Native Americans in Science conference in Anaheim, California, at the end of September, and her poster won the prize for best presentation in ecology. Many other students will present their research this fall at the American Geophysical Union’s annual conference. The students’ response to their experience at B2 was overwhelmingly positive. One remarked, “After this REU experience, I feel that I have a major advantage over other students applying for grad school. I've been working in a lab at my university for the past year, but I have learned just as much, if not more, during the course of this ten-week program.” First Undergrad Research Program a Success B ), and n twitter.com/B2science water moves through it. plan We to observe how this physical system evolves from its initial conditions, and then introduce plants to see how the establishment of ecosystems changes the physical and chemical systems of the soil that, by then, we will have been studying for 2-3 years. Construction of this unprecedented facility is scheduled to begin by early 2011. Keeping with our mission of being a center for education, research, and outreach, the entire process from construction to operation will be highly visible to the public. Keep up on the latest progress by visiting our website, interactive media ( by visiting Biosphere 2 in person to see "big science" in action! Although we can’t construct an entire mountain range in Biosphere 2, many of the earth systems displayed in this figure will be simulated in the Landscape Evolution Observatory. Biosphere 2 research technician Brendan Murphylandscape loading with test“mini-LEO” soil. These 40-by-100-foot LEO landscapeswill be steel structures that reach over two stories tall, covered in over three feet of engineered soil and shaped to approximate the form of hillslopes in nature. Thousands of sensors will be embedded in the soil to measure soil moisture, water availability, temperature, and soil energy fluxes; specially designed samplers will provide access to soil water and soil gas from hundreds of locations in the soil without any external disturbance. will We be able to control precipitation, temperature, humidity and atmospheric composition within LEO for precise experimentation. One of the most dramatic capabilities will be the ability to balance the entire water cycle budget in real time using a system of precise scales built into the steel structure. The scales will be able to measure changes in the total weight of the hillslope as water enters it as rain and leaves as soil-water overlandflow, evaporation, flow, and by plants. This will require the ability to measure weight changes as small as five one-hundredths of a percent of the two-million- pound weight. Soil properties have been carefully selected so that within a period of years, we will see changes in the mineral composition of the soil due to chemical weathering that will lead to changes in how designed to replicate a wide range of these processes. But, because we are building them from scratch, we will know the specific physical characteristics of each one in a way that we could never know in nature, and, even better, we can install a variety of measurement devices into and around the landscapes during construction that allow us to measure how water and energy move across and through them at a level of detail impossible in nature. VOLUME 1-5 4 FALL 2010 A Undergrads by Research Water Storm Supports Gift Program) and also support the andalsosupport Program) UA Undergraduate BiologyResearch andthe for Undergraduates Program, Experiences B2Research supported the NationalScienceFoundation- suchas programs (e.g., through with existingstudentsupport willinterface program The research projects. research student-directed will fundexclusivelyundergraduate withB2,and Professor Research Assistant Mitchell Pavao-Zuckerman, ofDr. underthedirection run willbe Theprogram gardening. oflandscapingand and irrigation application inwaterharvesting on ecosystems,anditspotential itsimpacts run-off, storm-water of understand thechemistry tobetter experiment program development ofamonitoringand the 2willsupport to Biosphere the 2010 summer field course and and course field summer 2010 the for theme primary the change?, climate under forests Amazon of future the is What question, motivating overall the With fragmentation. of study experimental longest-running world’s the of site the is that forest, regenerating and grassland of matrix a and fragments, forest , primary of landscape km2 1000 a (BDFFP), Project Fragments Forest of Dynamics Biological the and Amazon), the in tower flux eddy operating continually longest the of (site Reserve Cuieiras the Reserve, Ducke Alphonso the basin: Amazon the in Manaus near sites research three at place took lba.inpa.gov.br/lba ( Brazil Manaus, in (INPA) Amazônia da Pesquisas de Nacional Instituto the with collaboration in biogeochemistry and dynamics forest tropical on course field international annual third its held Education) Third Annual Amazon-PIRE Field Course Held in Brazil Brazil in Held Course Field Amazon-PIRE Annual Third F for International Research and and Research International for (Partnership Amazon-PIRE 9, July to 27 June rom Memorial FoundationTrust thePaulGalvin gift from studentresearch recent ). The course course The ). http:// from the urban environment to theurbanenvironment from because ofthepotentialforpollutants challenges presents and gardening waterforirrigation Using storm approaches. various water-harvesting through runoff and storm-water rain-water flows incitiestocapture hydrologic this needistoreconnect greatly.increases Onestrategytomeet size, theirdemandforwaterresources As aridcitiessuchasTucson in grow regulations. management practices(BMPs)and best developingstorm-water currently and localstakeholderswhoare of Tucson managers environmental forPimaCountyandCity information missionsbyproviding B2’s outreach (SWAAMP)Program willextend Water ApplicationandMonitoring atUA.TheStorm home departments thestudents’ through thesis projects forhonors andopportunities credit hoursfor research ofdirected offering Foundation’s Office of International International of Office Foundation’s Science National the by provided is funding U.S. Brazil. and U.S. the between partnership a is Saleska, Scott member committee steering science 2 Biosphere and professor assistant biology evolutionary and ecology by directed Amazon-PIRE, atmosphere. the with interactions and dynamics forest on topography of effect the on focus to Brazil and U.S. the from students 22 with met University, Harvard and Arizona of University the from instructors as well as Brazil, in agencies government and universities from instructors Seventeen forests.” secondary to primary from valleys, to plateaus from mosaic: Amazonian the “Understanding was projects field Students learn how to prepare a Licor 6400 for leaf level measurements. level leaf for 6400 Licor a prepare to how learn Students dangerous chemicalsto people? dangerous plant healthorpotentiallytransfer plants, willitimpact is usedtogrow runoff and(3)ifstorm-water growth; tonutrientcycling andplant relating ecosystemfunctions impact normal (2) howdothesechemicalloadings swales); (curb-cuts, raingardens, inplaceTucsonto BMPsalready nitrateandheavy-metalloads are SWAAMP include:(1)what program bythe major questionsaddressed urbansustainability.towards The research application ofecohydrology purposesisanimportant irrigation water fordomesticandcommercial benefits andrisksinusingstorm Thus, understandingthepotential foruse. runoff designed tocapture selectedor wash themintoareas storms accumulating pollutantsbefore cansitforweeksormonths roads Tucson exacerbatesthisissue,as The flashinessofraineventsin enter andconcentrateinecosystems. PIRE, seewww.amazonpire.org. aboutAmazon- information For more Technology. and Science of Ministry Brazilian the of CNPq, by funded projects collaborative individual via and (LBA), Amazônia in Experiment Atmosphere Biosphere Large‐Scale the through INPA from comes support Brazilian Engineering. and Science n n VOLUME 1-5 5 FALL 2010 n SkyNights, n AstronomerNights Where science lives. and 32-inch Schulman telescope at SkyCenter. changes,” said Pierre Dr. Meystre, Regents’ Professor of Physics and Optical Sciences. “They also highlight the central role played by Arizona and Tucson in these developments, with many of the central players, including Nobel laureates Nicolaas Bloembergen and Willis Lamb, laser pioneers Peter Franken, Marlan StephenScully, Jacobs, and many others having chosen to make Tucson and The University of Arizona their home.” and his donation makes possible the centerpiece of the summit educational programs. Along with established SkyTours programs, SkyCenter’s public observing program offers special programs, such as the popular Our Place in the Universe, and programs with a focus on special events such as the Geminids meteor shower on Dec. 13 and the winter solstice and total lunar eclipse on Dec. 21. SkyCenter is also highlighting NASA’s Year of the Solar System by tying into many NASA themes and mission events. Lectures and interactive floor demonstrations give the public an opportunity to learn from experts how lasers play a significant role in the science being done at the University of Arizona in fields as diverse as optical sciences, medicine, molecular and cellular biology, and . “The Flandrau exhibits and events don’t merely demonstrate how curiosity-driven science can lead to profound and transformational go far to maintain the SkyCenter’s preeminence in public outreach programs. Under the guidance of Adam Block, SkyCenter’s primary presenter and astrophotographer, the SkyCenter has already achieved worldwide recognition for its images: pictures generated by visitors have been published in magazines, books and on websites. Program participants who peer through the new telescope will see brighter- looking stars and better contrast in deep-space objects compared to those seen through smaller telescopes. Eventually the 32-inch Schulman telescope will operate with both on-site and remote operators, dramatically increasing the access of the public and serious amateurs to this equipment. SkyCenter has remote-feed capability via Internet at present and will continue to promote collaborative programs with Biosphere 2, Flandrau Science Center, and other venues, giving those not on the summit a taste of mountaintop observing to whet their appetites for the on-site observing at Tucson’s highest destination. Acquisition of the 32-inch Schulman telescope was made possible through the Joe and Dixie Schulman Foundation along with a generous donation from Richard Caris. Mr. Schulman has been a committed advocate and supporter of SkyCenter’s mission Better: New SkyCenter Telescope Benefits Visitors Benefits Telescope SkyCenter New Better: IS

unrise on Monday, Sept. 13 found Mountain Operations, RC

his fall semester, visitors have the rare opportunity to explore the history of the

50 Years Years of50 Laser Innovation at Flandrau Science Center

laser and the physics behind this amazing and versatile technology in Flandrau Science Center’s expansive exhibits hall. The story of the laser is presented in Laserfest, a unique display created by the International Society for Optical Engineering (SPIE), that features over 130 lasers and backdrops describing their history and many applications. T

S Bigger Bigger This telescope is more of a custom- made than an assembly-line product. These types of telescopes usually take about 18-24 months to design, build and install to the specifications of the operator/owner. For SkyCenter use, the instrument must be safe and easy to use for public programs while being able to deliver digital images of exceptional quality. Over the next few weeks, the Mountain Ops and SkyCenter staff will take the telescope through a series of detailed tasks to determine if it meets all specifications and requirements. The improved precision of the drives and larger aperture of the 32-inch Schulman telescope will Optical Systems and Mt. Lemmon SkyCenter staff installing the largest telescope dedicated to public observing in the Southwest: the 32-inch Schulman telescope. Several long days and nights of dedicated effort were needed to assemble the over 5,000-pound, 12-foot- tall instrument, set up the control system, and establish connections to the main observatory. But the team’s efforts paid off: the observatory was up and running in time for Adam Block’s Saturday night SkyNights program on Sept. 18, when guests saw Jupiter’s Great Red Spot, nebulae and star clusters through the new instrument. VOLUME 1-5 6 FALL 2010 A AZ Center for STEM Teachers Summer Institute Generates Enthusiasm in 17 years of teaching where I really first workshop that I have attended “The B2 summer institute was the the 21st century marketplace. can effectively compete and prosper in successful high-school graduates who ensure that their teaching translates to skills of Arizona STEM educators to mission is to enhance and deepen the fully fund the Center. The Center’s and providing a matching grant to Philecology Foundation is partnering (STEM) teachers in Arizona. The engineering and mathematics and retention of science, technology, center that will expand the quality to establish a resource and training University of Arizona’s B2 Institute Foundation Arizona (SFAz) to The $1.5 million grant by Science 2008 through a three-year, ACST was created in December change in the way I teach science.” Biosphere 2 will have an everlasting I learned in the time I spent at the opportunity to be involved in! What What an amazing experience I had the building that love that I have built. in science, using critical thinking and Phoenix. “The students are engaged at Washington Elementary School in Sara Pearson, a third-grade teacher year has dramatically improved,” said students. Science in my classroom this I want to inspire that thinking in my to make a connection to science, and Now with everything I do, I am able teaching science to our students is. science and fostered how important Biosphere 2 helped me build a love for “Being immersed in science at the participants at no cost. and laptop computer, was provided to whole experience, including a stipend improve their science teaching. The sessions designed to motivate them and participated in numerous content glass” hands-on science research, and the facility, engaged in “under-the- all over Arizona lived in residence at through third grade teachers from June 18 – July 2, 50 kindergarten this past June at Biosphere 2. From its second summer institute Teachers (ACST) completed rizona Center for STEM Arizona STEM teachers with: ACST is teacher-driven and provides year, I feel we are doing science.” Instead of just learning science this frog (of course, caught by a student). now to 2 hamsters and possibly a creatures, so our zoo has expanded has spawned an interest in all living again by students). Their insect interest milkweed bug population (caught (caught by students), and a replenished a student’s mom), various grasshoppers now have a praying mantis (caught by how they live, eat, act, etc. that we interested in insects, all of them, and proof of that this year. They are so in Tucson. “Our classroom zoo is UrquidesLynn Elementary School Wilson, a second-grade teacher at their natural curiosity,” said Dorothy things work by using explore and discover how letting my students presentations), I am lessons (information of strict teacher-driven using inquiry. Instead better science experience am giving my students a instruction and feel like I as rigid with my science special event. I’m not classroom this year is a Science time in my being a teacher mattered. like a professional and felt like I was treated ■ ■ ■ ■ ■ ■ ■ ■ toolkits, discussion boards and portal with online resources, a STEM teacher website and teachers; master-level math and science provided by experienced, ongoing classroom support coaching, mentoring and K-12 Center, professional in partnership with the Arizona curriculum; content and hands-on classroom for building STEM education themed weekend coursework development; formal lectures and curriculum incorporating research projects, intensive summer programs research inside Biosphere 2. Biosphere conducting inside research participants teacher Institute Summer ACST 2010 www.az-stem-teachers.org information, please see 24, 2010 at Biosphere 2. For more Minds-On Application” October 22- “K-12 Mathematics: Hands-On, ACST will hold its fall short course, significant impact on our lives.” be something amazing and will have a scientists. Maybe their “Big Idea” will way. These students are our future at science and math in a whole new and inquiry more often. I am looking in my classroom using exploration to integrate science and math together to Biosphere 2 looking for new ways attend the summer institute. “I came Kingman was especially motivated to at Hualapai Elementary School in Michele Boone, a first-grade teacher statewide within three years. will engage more than 300 teachers bring about systemic change. ACST three Arizona universities needed to universal support of faculty from all professional development, and the and enabling statewide teacher veteran teachers in developing programs is the role played by An essential feature of the Center’s ■ ■ educational entities. B2 Earthscience, and other Science, the B2 Institute and through the UA College of of-the-art teacher resources for educators to access state- broad-based linking partnerships mentoring opportunities; professional development and forums for sharing best practices, . n VOLUME 1-5 7 FALL 2010 n n Where science lives. in new ways through the scope of Biosphere 2. Science and art activities, tours, exhibits, live music and the Bed unveiling of the B2 Solar Test are just a sampling of the exciting activities that were offered during this day of fun and learning. As the first significant student-produced exhibit to be displayed during the UA’s tenure at Biosphere 2, “Creativity and Consilience” gives Bonine great pride. “Over the years it has been my pleasure to work with talented individuals who have opened their minds and hearts to create fantastic and moving works of literature, sculpture, painting, photography and myriad other artistic pieces. have To some of these works on display at Biosphere 2 for thousands of people to see is very exciting.” Dr. Kevin Bonine’s students displaying some of their art. Congresswoman Gabrielle Giffords visits Discoverythe Arizona-Sonora exhibit atDesert Earth Day 2010. the ideals of the younger generation— the ones who will inherit and care for the Earth. The purpose of this event was to mobilize and enlighten the community by bringing the public together with artists, scientists, and students to view the environment internalize and recall moremajor deeply the themes of lessons and Tapping each course. creativityinto students’ for increasedalso allows connections between and the course material different spheres and experiences personal to each student,” said Bonine, adjunct assistant professor in the UA’s Department of Ecology and Evolutionary Biology. “If we are to be successful in alerting the public to the challenges and risks inherent in environmental degradation and loss of biodiversity, then we must promote alternative modes of communication.” The exhibit will rotate pieces through annually to remain fresh and current. “New art work will come to us every fall from Kevin’s classes, so return visitors to Biosphere 2 can expect to see changes to the exhibit over time for as long as we have the display in place,” said Adamson.

iosphere 2 recently unveiled its newest exhibit, “Creativity and Consilience,” a compelling he University of Arizona Biosphere 2 held its second annual Earth Day 2010: Now

Ribbon cutting on the Biosphere 2 Solarevent. Test Bed From during left: the Pierre Earth Meystre, Day Nathan Barba,Giffords, Congresswoman Bill Richardson, Gabrielle Nate Allen, and Travis Huxman.

T Earth Day 2010:The Now Generation Festival! Generation Festival on April 4, 2010. Attended by more than 1,500 people, this year’s theme, “The Now Generation,” was intended to reflect

B New Exhibit Displays the Art of Science The art is produced by students Kevin Bonine’s who take Dr. Environmental Biology and Conservation Biology courses at the University of Arizona. “In two of my courses, I assign a creativity project. The goal of the project is to foster the talents of students in non- traditional ways such that students “Among our missions here is to increase the public’s scientific literacy and catalyze interdisciplinary thinking and understanding about Earth and its future” said Matt Adamson, Biosphere 2’s education and outreach coordinator. “Having these unique and, in some cases, quite beautiful pieces on display for people to look at and appreciate is really just another way we hope to get people thinking about science, conservation and the environment.” display of art and literature created by University of Arizona students inspired by conservation and environmental topics. VOLUME 1-5 8 FALL 2010 www.b2science.org 520.626.4092 Affairs External UA/B2 of Office the by Developed 85721 Arizona Tucson, 210158-B Box PO Avenue Park N. 845 526 Suite Building, Marshall Campus 2/UA Biosphere 85623 Arizona Oracle Road Biosphere S. 32540 2 Biosphere involved inanyofthefollowingways. hope youwillconsiderbecoming choices.Wehelps usmakeinformed andthe sciencethat our environment about depends onpeoplewhocare 2’scutting-edge work Biosphere Help How YouCan biological and earth transcends that research on focuses specifically that NSF at program Biogeochemistry” in topics “Emerging the through funded was project This Dontsova. Katerina said soil,” of formation the during rock from nutrients mine to together work and plants how of question challenging the address to us allows team interdisciplinary strong this “Assembling department. same the in researcher a Perdrial, Julia and Science, Environmental and Water Soil, of Department the in Maier Raina and Chorover 1 page from cont. Grant, 2. 1.

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