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Welcome to Science Sessions, the PNAS podcast program. Listen to brief conversations with cutting-edge researchers, Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in PNAS, plus a broad range of scientific news about discoveries that affect the world around us. Please scroll down for recent podcasts.

Aug 5, 2024

How redlining affects biodiversity

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, Cesar Estien explores the legacy of mid-20th century redlining through the biodiversity of disadvantaged neighborhoods.

In this episode, we cover:
•[00:00] Introduction
•[1:04] Cesar Estien, an urban ecologist at the University of Washington, describes the practice of redlining.
•[2:50] He tells how a study of redlining and environmental quality led to a study of animal diversity.
•[3:33] Estien describes why the study cities of San Francisco, Oakland, Los Angeles, and San Diego were chosen for the study.
•[4:25] He explains the difference between species richness and community composition.
•[5:31] He reports the study findings regarding species richness and community composition in redlined and greenlined neighborhoods.
•[6:55] Estien talks about the lasting legacy of racial injustice on the ecology of cities.
•[7:52] He explains why equitable access to biodiversity matters.
•[9:04] Caveats and limitations of the study.
•[10:09] Conclusion.

About Our Guest:

Cesar Estien
Ph.D. Candidate
University of California, Berkeley

View related content here: https://www.pnas.org/doi/full/10.1073/pnas.2321441121

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