Universiteit Leiden

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Yali Si

Assistant Professor

Dr. Y. Si
+31 71 527 2727

Yali Si is an ecologist who works on understanding spatiotemporal ecological patterns and processes, quantifying the environmental mechanisms and impact of global change on biodiversity, ecosystem, and health, and developing sustainable measures to safeguard wildlife and human development.

More information about Yali Si

Professional experience

Yali is quantifying spatiotemporal ecological patterns and processes using mathematic modelling, spatial analysis and statistics, Geographic Information System (GIS), Remote Sensing, and biologging. She received her BA in Land Resources Management at Henan Agricultural University, China and her MSc in Geo-information for Natural Resources and Environment Management at the International Institute for Geo-information Science and Earth Observation (ITC, University of Twente), The Netherlands.

She completed her PhD in Global Change and Spatial Ecology in 2011 at Twente and Wageningen University. After her PhD, Yali worked as a lecturer, then assistant and finally associate professor in the Department of Earth System Science at Tsinghua University, Beijing, China. She investigated the environmental mechanisms of the spatiotemporal bird distribution, migration, and diversity and disease occurrence, as well as the impact of global change on these patterns and processes.

Since 2021, she works as an assistant professor in the Institute of Environmental Sciences (CML) at Leiden University, focusing on understanding biodiversity pattern and process, ecosystem stability, and human health under global environmental change.

Research topic

Yali focuses on spatiotemporal ecological patterns and processes and human environment management. She explores three main research lines:

  1. Biodiversity conservation in human-dominated landscapes. Yali quantifies the environmental drivers of spatiotemporal biodiversity patterns and processes and ecosystem stability and determines how to manage the environment to maintain biodiversity and ecosystem functions.
  2. Global change impact on animal distribution and movement. Yali develops evidence-based frameworks to quantify animal distribution and movement under global change and uses this information to generate conservation plans.
  3. Spatial epidemiology of infectious and non-communicable diseases. Yali investigates the environmental mechanisms of spatiotemporal disease occurrence, maps the disease risk, and develops measures to maintain a healthy environment and support sustainable development.

For an overview of the publications of Yali's work before CML, please follow  this link

Assistant Professor

  • Science
  • Centrum voor Milieuwetenschappen Leiden
  • CML/Environmental Biology

Work address

Van Steenis
Einsteinweg 2
2333 CC Leiden
Room number A3.05



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