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Updated: May 3, 2026

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Consistent Positive Associations Between Landscape Diversity and Crop Yields.

Katherine S Nelson^1,2, Brennan Bean³, Emily K Burchfield⁴

¹School of Natural Resources, University of Missouri, Columbia, Missouri, USA.

Global Change Biology

|May 2, 2026

Summary

This summary is machine-generated.

Landscape diversity positively impacts crop yields, with highly diverse areas showing a 2.7% increase on average. This positive association is consistent across U.S. agriculture and suggests potential for further gains in productivity.

Keywords:

Bayesian agriculture landscape diversity mixture models uncertainty yield

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Area of Science:

Agricultural Science
Ecology
Environmental Science

Background:

Established positive relationship between landscape diversity and ecosystem productivity across various organisms and conditions.
Inconsistent findings regarding the impact of landscape diversity on agricultural productivity.

Purpose of the Study:

To systematically examine the consistency of the landscape diversity-crop yield relationship in the U.S.
To investigate how this relationship varies across different crops and methods of measuring landscape diversity.

Main Methods:

Utilized mixture modeling to analyze data.
Examined consistency across heterogeneous model specifications for major crops.
Assessed different approaches to operationalizing landscape diversity.

Main Results:

Found a consistent (87%) positive association between landscape diversity and crop yields.
Highly diverse landscapes showed, on average, 2.7% higher yields than simplified landscapes.
The diversity-yield relationship was not saturating, indicating potential for further increases.

Conclusions:

Despite variations across crops and metrics, landscape diversity generally enhances crop yields in U.S. agriculture.
Contemporary U.S. cropping systems may not have reached the upper limits of landscape diversity benefits.
Further research into optimizing landscape diversity for agricultural productivity is warranted.