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Home » Simberloff
Tag: Simberloff

Simberloff Honored by British Ecological Society

July 28, 2023 by wpeeb

Each year, the British Ecological Society (BES) recognizes 11 distinguished ecologists whose work has benefited the scientific community and society in general.

Daniel Simberloff, the Gore Hunger Professor of Environmental Science in the UT Department of Ecology and Evolutionary Biology, received an honorary membership – the Society’s highest honor – for his “exceptional contribution at the international level to the generation, communication, and promotion of ecological knowledge and solutions.”

“I have been an avid reader of BES journals since my earliest graduate school days,” Simberloff said. “My extensive research on Charles Elton led me to a greater appreciation of the leading role BES plays in shaping the direction of ecological research. I am humbled and deeply grateful that the Society would confer such an honor on me.”

Simberloff’s research focus is invasion biology, community composition, and the structure of organisms in specific features. One long-term project in Patagonia he has worked on involves invasive conifer trees and the introduction of deer, boar, and fungi. Almost a century ago, non-native tree species were introduced to a cleared section in the middle of a native forest in an attempt to establish a forestry industry on Isla Victoria, an island in the middle of Lake Nahuel Huapi. Only seven of the original species spread in number beyond the plantations.

“Our research shows that absence of suitable mycorrhizal fungi in the native forest keeps many of the non-native species from spreading,” Simberloff said. “Boar introduced in 1999, however, are exacerbating the invasion by rooting for fungal mycelium. Also, two species of deer introduced long ago may be aiding the spread.”

Simberloff became fascinated with nature during his childhood in rural Pennsylvania, but it was his time at Harvard College that got him hooked on ecology.

“I was seduced by the aesthetics and challenge of mathematics, but a non-majors biology course and an entomology course steered me back into biology and to the laboratory of Edward O. Wilson, who advised my doctorate: a test of the equilibrium theory of island biogeography with the arthropod communities of small mangrove islands,” Simberloff said. “This research and interactions with Wilson and Robert MacArthur, who served as a member of my doctoral committee, led me to a lifelong interest in the community level of organization – which species are found together, which are not found together, and why.”

Simberloff, along with Robin Chazdon, University of the Sunshine Coast, in Australia and Monica Turner, University of Wisconsin-Madison, joined the BES Honorary Membership roster, which includes British Ecologist Sir David Attenborough.

This year, there are winners across five continents, representing the international membership of the BES. Learn more about the 2023 BES award winners.

Filed Under: Faculty, MAIN, Simberloff Tagged With: Simberloff

Simberloff Amongst Most Cited

February 1, 2018 by wpeeb

Professor Daniel Simberloff is one of two UT faculty members who have earned the distinction of being among the most cited researchers in the world, according to Clarivate Analytics, formerly Thompson Reuters.

It’s the second such recognition in a row for Simberloff.

Those measurements came in relation to specific findings and papers rather than a cross-examination of all work tied to a researcher, placing Simberloff in the top 1 percent of all research scientists across the world.

The full UT News story can be viewed here.

Filed Under: MAIN, Simberloff Tagged With: Clarivate, most cited, Simberloff, Thompson Reuters

50th Anniversary of Island Biogeography Studies

November 9, 2017 by wpeeb

In honor of the 50th anniversary of the seminal Simberloff and Wilson island biogeography studies, the Bulletin for the Ecological Society of America published a special extended edition of their “Paper Trail” series in October. In this series, young researchers tell stories of how a particular paper influenced them, and the original authors of the papers in turn describe their experiences with the paper.

For this special edition, a collection of researchers, ranging from graduate students to full professors, describe how the Simberloff and Wilson 1969 papers influenced their careers. From our department, Jeremiah Henning, Jordan Bush (graduate students), Christy Leppanen (lecturer and post doc), and Kimberly Sheldon (assistant professor) all contributed to this section. Dan Simberloff and Edward O. Wilson then wrote a reflection on the original paper, complete with photographs and stories from the mangrove experiments. 

A Pioneering Adventure Becomes an Ecological Classic: Editor’s Note
(overview, by Young, Stephen L.)

A Pioneering Adventure Becomes an Ecological Classic: The Arising and Established Researchers
(Authors: Henning, Jeremiah A.; Leppanen, Christy; Bush, Jordan; Sheldon, Kimberly S; Gotelli, Nick; Gravel, Dominique; Strauss, Sharon)

A Pioneering Adventure Becomes an Ecological Classic: The Pioneers
(Authors: Simberloff, Daniel; Wilson, Edward)

 

Filed Under: graduate, MAIN, postdoc, publication, Sheldon, Simberloff Tagged With: Bush, Ecological Society of America, ESA, Henning, island biogeography, Leppanen, Sheldon, Simberloff, Wilson

Buried in their Work!

August 11, 2017 by wpeeb

EEB Volunteers get Dirty Digging Roots to Help with Invasive Species Research

Christy Leppanen, Dan Simberloff, and Kimberly Sheldon pose in front of a southern Japanese hemlock, Tsuga sieboldii.

In July, a group of EEB faculty, staff, graduate and undergraduate students, family, and friends helped dig roots as part of a study of belowground communities associated with hemlock trees.  Prof. Daniel Simberloff and Christy Leppanen (EEB lecturer and postdoc), are collaborating with Melissa Cregger (Oak Ridge National Laboratory) to characterize microbial communities associated with native and non-native hemlocks.  Some of the trees are vulnerable to infestation by the hemlock woolly adelgid, but some appear to be resistant.

Distribution of hemlock species (Tsuga spp., Family: Pinaceae)

The hemlock woolly adelgid (Adelges tsugae or HWA) is a sap-feeding insect introduced in the 1950s from Asia to eastern North America, where it kills native eastern (Tsuga canadensis) and Carolina (T. caroliniana) hemlocks.  In Asia and in western North America, HWA feeds on, but does not kill, hemlocks that are native there.  Therefore, aspects of communities where HWA is native and trees that are apparently resistant are studied to help understand impacts and develop management approaches where HWA is introduced.

EEB graduate students Chelsea Miller (Kwit Lab) and Angela Chuang (Riechert Lab) collect roots and soil from under an eastern hemlock, Tsuga canadensis.

Simberloff and Leppanen traveled with a group of 14 volunteers to North Carolina State University’s Mountain Horticultural Crops Research and Extension Center, in Mills River, North Carolina, to collect roots and associated soil from native and non-native hemlocks that are vulnerable or appear resistant to HWA infestation.  From these samples, Cregger will characterize microbial communities: archaea, bacteria, and fungi associated with the different trees.  The team will then meet to discuss the results and consider implications and next steps.

Kylie Hannahs digs under a southern Japanese hemlock, Tsuga sieboldii, with Chase Steele, EEB undergraduate research assistant in the Fitzpatrick and Simberloff Labs.

Microbial communities influence and can indicate associated host organism health.  Microbial diversity and composition can influence large-scale nutrient fluxes across ecosystems.  Loss of native hemlocks, or even HWA infestation of living hemlocks, may impact important ecosystem-level processes as a result of losses or changes to associated microbial communities.  Additionally, suggested replacement of our native hemlocks with non-native species such as the Chinese hemlock (T. chinensis) may have ecosystem-level implications if microbial communities associated with the Chinese hemlock differ.  Microbial communities associated with non-native “replacement” trees may not only prevent the return of native ecosystem dynamics but may also influence our native ecosystems in entirely new and unpredictable ways.

Ruth Simberloff and Frank Scott examine roots under a Himalayan hemlock, Tsuga dumosa.

Fine roots are collected to characterize microbial communities associated with different hemlock species.

T.J. Rogers, SULI Intern working with Melissa Cregger at Oak Ridge National Laboratory, and EEB undergraduate researchers Jake Lockyer and Casey Fellhoelter finish work with a Chinese hemlock, Tsuga chinensis. (SULI, Science Undergraduate Laboratory Internships)

EEB student workers Damon Christensen and Michael Ellison excavate under an eastern hemlock, Tsuga canadensis.

Filed Under: MAIN, ORNL, postdoc, Simberloff Tagged With: hemlock woolly adelgid, HWA, Leppanen, Simberloff

Sigma Xi Award for Rivarola

May 17, 2017 by wpeeb

Maria Daniela Rivarola (Simberloff Lab) won the Sigma Xi Student Superior Presentation in November 2016, at the Sigma Xi Annual Meeting & Student Research Conference in Raleigh, North Carolina.  Congratulations!

Filed Under: award, graduate, MAIN, Simberloff Tagged With: award, Rivarola, Sigma Xi, Simberloff

EEB Departmental Awards 2017

May 10, 2017 by wpeeb

Congratulations to all the graduate students, undergraduate students, and staff who received awards at the EEB Awards Ceremony on May 1.   To view more photos, please visit the EEB Facebook page.  For more information about any of the awards below, please visit the Departmental Awards and Scholarships page.

2017 EEB Outstanding Master’s Thesis
Alix Pfennigwerth (Schweitzer Lab)

2017 EEB Jim Tanner Outstanding Dissertation
Michael Van Nuland (Schweitzer Lab)

2017 EEB Best Progress Toward Dissertation
Sam Borstein (O’Meara Lab)

2017 EEB Sandy Echternacht Outstanding Teaching by a Graduate Student
Tyson Paulson (Fordyce Lab)

2017 EEB Outstanding Publication by a Graduate Student
Rachel Wooliver (Schweitzer Lab)

2017 EEB Tom Hallam Appreciation Award
Angela Chuang (Riechert Lab)

2017 EEB Outstanding Outreach and Community Service by a Graduate Student
Alannie-Grace Grant (Kalisz Lab)

2017 Outstanding Undergraduate Poster Award
Sarah Ottinger (Classen Lab)

2017 EEB Outstanding Undergraduate
Patrick McKenzie (Armsworth Lab)

2017 EEB Outstanding Undergraduate Research
Hannah Anderson (Riechert Lab)

2017 EEB Undergraduate for Professional Promise
Katie Plant (Williams Lab)

2017 EEB Outstanding Outreach and Community Service by an Undergraduate Student
Heiler Meek (Schweitzer Lab)

2017 EEB Outstanding Administrative Service Award
Marva Anderson

Going Above and Beyond Award
Jess Welch (Simberloff & McCracken Labs)

Filed Under: Armsworth, award, Classen, Echternacht, Fordyce, graduate, Hallam, Kalisz, MAIN, McCracken, O'Meara, Riechert, Schweitzer, Simberloff, Undergrad News, Williams Tagged With: admin, Anderson, Armsworth, award, Borstein, Chuang, Classen, Echternacht, Fordyce, Grant, Hallam, Kalisz, McCracken, McKenzie, Meek, O'Meara, Ottinger, Paulson, Pfennigwerth, Plant, Riechert, Schweitzer, Simberloff, Tanner, Van Nuland, Welch, Williams, Wooliver

Science Writing Award for Bush

May 2, 2017 by wpeeb

Graduate student Jordan Bush (Simberloff Lab) will receive the J. Paul Blakely Award of Excellence in the category of Science Writing, Graduate Division at an awards ceremony on May 4, 2017. This award from the East Tennessee Chapter of the Society for Technical Communication (STC-ETC) recognizes students with an interest in technical/professional communication or science writing, from any accredited institution of higher education in East Tennessee.  Congratulations, Jordan!

Filed Under: award, graduate, MAIN, Simberloff Tagged With: award, Bush, Simberloff, writing

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