Prof. Dr. Tiffany Knight


Prof. Dr. Tiffany Knight
Alexander von Humboldt Professorship of Spatial Interaction Ecology

Institute of Biology/ Geobotany and Botanical Garden
Martin Luther University Halle-Wittenberg/

Department of Community Ecology
Helmholtz Centre for Environmental Research - UFZ/

German Center for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig
Deutscher Platz 5e, D-04103 Leipzig, Germany

Tel: 0341-97 33198
Fax: 0341-97 39350

Resarch Group: Spatial Interaction Ecology

Prof. Dr. Tiffany Knight

Research Areas

  • Causes and consequences of exotic plant invasions: understanding the mechanisms that explain why exotic species become invasive

  • Role of human perturbations on plant-pollinator interactions and pollen limitation:causes and consequences of pollen limitation
  • Restoration of degraded habitats: optimal restoration of invaded communities
  • Forest Community Dynamics: drivers of forest compositional change in diverse ecosystems

Curriculum Vitae

2016 - present

Alexander von Humboldt Professor and Head of Research Group Spatial Interaction Ecology

Joint Appointment

Martin Luther University Halle-Wittenberg
Helmholtz Centre for Environmental Research Centre (UFZ)/ German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig

2014- 2015

Visiting Scientist (while on academic sabbatical)
German Center for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig

2010 - 2015

Associate Professor (with tenure)
Washington University in St. Louis, Department of Biology

2012 - 2013

Visiting Scientist (while on academic sabbatical)
University of Hawaii, Department of Botany

2010 - 2015

Director, Environmental Studies Program
Washington University in St. Louis

2006 - 2015

Research Associate
Chicago Botanic Garden

2005 - 2015

Research Associate
Missouri Botanical Garden

2005 - 2010

Assistant Professor
Washington University in St. Louis, Department of Biology

2004 - 2005

Postdoctoral Research Associate
National Center for Ecological Analysis and Synthesis
Santa Barbara, California

2003 - 2004

Postdoctoral Research Associate
University of Florida, Department of Zoology



Alexander von Humboldt Professorship


Yerger Distinguished Alumni Award- Florida State University


Outstanding Faculty Mentor Award from the Office of Postdoctoral Affairs and the Division of Biology and Biomedical Sciences


Special Recognition for Outstanding Mentoring from the Graduate Student Senate and the Dean of the Graduate School of Arts and Sciences


College of Arts and Sciences Faculty Teaching Award

Co-operations / Projects

Synthesis of global patterns of pollen limitation (sPlat)

CO-PIs: Tia-Lynn Ashman and Janette Steets

sPlat website

Phylogenetic novelty and plant invasions

University of Missouri in St. Louis, Missouri, USA

Department of Biology

Dynamics of Metrosideros polymorpha forests in Hawaii

University of Hawaii, USA

Department of Botany

Primary collaborator: Dr. Kasey Barton

Society Memberships

Botanical Society of America

Ecological Society of America

Peer-reviewed Publications

Thompson, A.H. and T.M. Knight. 2018. Exotic plant species receive adequate pollinator service despite variable integration into plant–pollinator networks. Oecologia.

Pardini, E.A., Parsons, L.S., Ştefan, V., and T.M. Knight. 2018. GLMM BACI environmental impact analysis shows coastal dune restoration reduces seed predation on an endangered plant. Restoration Ecology.

Bialic-Murphy, L., Gaoue, O.G. and T.M. Knight. 2018. Using Transfer Function Analysis to develop biologically and economically efficient restoration strategies. Scientific Reports 8(1): p. 2094.

Schuler, M. S., J. M. Chase and T. M. Knight. 2017. Habitat patch size alters the importance of dispersal for species diversity in an experimental freshwater community. Ecology and Evolution 7 (15): 5774-5783.

Schuler, M. S., J. M. Chase and T. M. Knight. 2017. Habitat size modulates the influence of heterogeneity on species richness patterns in a model zooplankton community. Ecology 98 (6): 1651–1659.

Vitt, P., T.M. Knight, M. Schutzenhofer, W. Kleiman, K. Havens and T. Bittner. 2017. Experimental Grazing and Grass-Specific Herbicide Application Benefit Rare Forb Recruitment. Natural Areas Journal 37(2): 161–169.

Pardini, E.A., M.V. Patten and T.M. Knight. 2017. Effects of seed density and proximity to refuge habitat on seed predation rates for a rare and a common Lupinus species. American Journal of Botany 104 (3 ): 389–398.

Crawford, K.M. and T.M. Knight. 2016. Competition overwhelms the positive plant-soil feedback generated by an invasive plant. Oecologia 183 (1): 211–220.

Bernardo H.L., M.A. Albrecht, and T.M. Knight. 2016. Increased drought frequency alters the optimal management strategy of an endangered plant. Biological Conservation 203: 243–251.

Guthrie, S.J., R.M. Crandall, and T.M. Knight. 2016. Fire indirectly benefits fitness in two invasive species. Biological Invasions 18: 1265-1273.

2015 and older

Research Gate Profile Tiffany Knight