What question did this study set out to answer?

Identify the primary urban landscape metrics governing bird diversity and quantify specific landscape thresholds required to prevent biodiversity loss in metropolitan areas.

May 18, 2025Global Ecology and ConservationOpen Access

Urban landscape thresholds for bird diversity in China’s major cities

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Authors

YCYueteng Chi ZLZhenhuan Liu YZYi Zhou

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Overview

Cross-sectional modeling reveals non-linear landscape thresholds for urban bird diversity, highlighting the need to maintain connected forest and water habitats.

Key Points

Identify the primary urban landscape metrics governing bird diversity and quantify specific landscape thresholds required to prevent biodiversity loss in metropolitan areas.
Aggregated public environmental datasets and citizen science bird observation records across 43 major cities in China.
Employed generalized additive models (GAMs) to characterize non-linear bird diversity responses to landscape metrics and identify functional ecological thresholds.
Identified nine critical landscape thresholds, indicating that maintaining 6.4% to 17.9% forest cover and over 10.9% water body coverage sustains urban bird diversity.
Demonstrated that bird diversity is non-linearly governed primarily by the aggregation and spatial coverage of forests and water bodies, with 42 of 43 cities supporting threatened species.

Cite This Study

Chi et al. (2025) studied this question.

synapsesocial.com/papers/6aa2d4d28adb575768fdd3ef https://doi.org/10.1016/j.gecco.2025.e03641

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May 18, 2025Global Ecology and ConservationOpen Access

Urban landscape thresholds for bird diversity in China’s major cities

View Full Paper

Ask AI

Bookmark

Authors

YCYueteng Chi ZLZhenhuan Liu YZYi Zhou

Discussion

Member takes

Overview

Cross-sectional modeling reveals non-linear landscape thresholds for urban bird diversity, highlighting the need to maintain connected forest and water habitats.

Key Points

Identify the primary urban landscape metrics governing bird diversity and quantify specific landscape thresholds required to prevent biodiversity loss in metropolitan areas.
Aggregated public environmental datasets and citizen science bird observation records across 43 major cities in China.
Employed generalized additive models (GAMs) to characterize non-linear bird diversity responses to landscape metrics and identify functional ecological thresholds.
Identified nine critical landscape thresholds, indicating that maintaining 6.4% to 17.9% forest cover and over 10.9% water body coverage sustains urban bird diversity.
Demonstrated that bird diversity is non-linearly governed primarily by the aggregation and spatial coverage of forests and water bodies, with 42 of 43 cities supporting threatened species.

Cite This Study

Chi et al. (2025) studied this question.

synapsesocial.com/papers/6aa2d4d28adb575768fdd3ef https://doi.org/10.1016/j.gecco.2025.e03641

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