Beginning Jan. 18, 2022, the Zoo is open Thursdays, Fridays, Saturdays and Sundays from 8 a.m. to 3 p.m. (last admittance 2:30 p.m.). Select animal buildings remain closed. Entry passes are required for all guests, including infants. All visitors ages 2 and older are required to wear a mask in all indoor spaces at the Zoo, regardless of their vaccination status. Fully vaccinated visitors do not need to wear a mask in outdoor areas.

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Kristina J. Anderson-Teixeira, Ph.D.

Forest Ecologist, Leader of ForestGEO Ecosystems & Climate Program
B.S. Wheaton College; Ph.D., University of New Mexico

Kristina Anderson-Teixeira is a forest ecologist at the Smithsonian's Conservation Biology Institute's (SCBI) Conservation Ecology Center and at the Smithsonian Tropical Research Institute’s Center for Tropical Forest Science. She leads the ecosystems and climate program for the Forest Global Earth Observatory (ForestGEO), which is the world's only forest monitoring network making standardized measurements in all the world's major forest biomes. Her research focuses on interactions of forest ecosystems worldwide with Earth’s changing climate.

Along with collaborators at the Smithsonian and around the world, Anderson-Teixeira’s research shows how forests worldwide are responding to climate change and other anthropogenic pressures. Highlights include findings that larger trees suffer more during drought and that climate change alters forest recovery following disturbances such as fires. She has also conducted pioneering work on quantifying the climate regulation services of ecosystems, showing that clearing just 100 square feet of forest has roughly the same effect on climate as driving across the U.S.

In 2019, Anderson-Teixeira received the Presidential Early Career Award for Scientists and Engineers — the highest honor bestowed by the U.S. government on outstanding scientists and engineers who are beginning their independent research careers and show exceptional promise for leadership in science and technology.
Anderson-Teixeira earned her Bachelor of Science in biology from Wheaton College in 2002, and her doctorate from the University of New Mexico in 2007, where she studied under James H. Brown. She conducted postdoctoral research with Marcy E. Litvak at the University of New Mexico from 2007-2008, and with Evan H. DeLucia at the University of Illinois from 2008-2012. In 2012, she moved to her current position at the Smithsonian.
Anderson-Teixeira’s work is motivated by her recognition that forests are invaluable for both biodiversity protection and climate regulation. She hopes that her research will serve to better understand and protect forests in the current era of global change.
Recent Publications: 
Anderson-Teixeira, Kristina J.,Herrmann, Valentine,Banbury Morgan, Rebecca,Bond-Lamberty, Ben,Cook-Patton, Susan C.,Ferson, Abigail E.,Muller-Landau, Helene C.,Wang, Maria M. H. 2021. Carbon cycling in mature and regrowth forests globally. Environmental Research Letters, . 10.1088/1748-9326/abed01
Anderson-Teixeira, Kristina J.,Herrmann, Valentine,Cass, Wendy B.,Williams, Alan B.,Paull, Stephen J.,Gonzalez-Akre, Erika B.,Helcoski, Ryan,Tepley, Alan J.,Bourg, Norman A.,Cosma, Christopher T.,Ferson, Abigail E.,Kittle, Caroline,Meakem, Victoria,McGregor, Ian R.,Prestipino, Maya N.,Scott, Michael K.,Terrell, Alyssa R.,Alonso, Alfonso,Dallmeier, Francisco,McShea, William J. 2021. Long-Term Impacts of Invasive Insects and Pathogens on Composition, Biomass, and Diversity of Forests in Virginia's Blue Ridge Mountains. Ecosystems, 89–105. 10.1007/s10021-020-00503-w
Anderson-Teixeira, Kristina J.,Herrmann, Valentine,Rollinson, Christine R.,Gonzalez, Bianca,Gonzalez-Akre, Erika B.,Pederson, Neil,Alexander, M. Ross,Allen, Craig D.,Alfaro-Sanchez, Raquel,Awada, Tala,Baltzer, Jennifer L.,Baker, Patrick J.,Birch, Joseph D.,Bunyavejchewin, Sarayudh,Cherubini, Paolo,Davies, Stuart J.,Dow, Cameron,Helcoski, Ryan,Kaspar, Jakub,Lutz, James A.,Margolis, Ellis Q.,Maxwell, Justin T.,McMahon, Sean M.,Piponiot, Camille,Russo, Sabrina E.,Samonil, Pavel,Sniderhan, Anastasia E.,Tepley, Alan J.,Vasickova, Ivana,Vlam, Mart,Zuidema, Pieter A. 2021. Joint effects of climate, tree size, and year on annual tree growth derived from tree-ring records of ten globally distributed forests. Global Change Biology, . 10.1111/gcb.15934