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. 2022 Feb 14;12(4):473. doi: 10.3390/ani12040473

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Relationship between bird communities and seasonal environmental factors. (a) Summer; (b) Autumn; (c) Winter; (d) Spring. pH (potential of hydrogen), DO (dissolved oxygen), WT (water temperature), SD (transparency), disturb (the degree of human disturbance), PLAND_i (the ratio of the impervious surface area), PLAND_w (the ratio of the water area), PLAND_f (the ratio of the forest area), SHDI (habitat heterogeneity), distance (the distance from the Hefei centre), and width (the width of each river section).

Relationship between bird communities and seasonal environmental factors. (a) Summer; (b) Autumn; (c) Winter; (d) Spring. pH (potential of hydrogen), DO (dissolved oxygen), WT (water temperature), SD (transparency), disturb (the degree of human disturbance), PLAND_i (the ratio of the impervious surface area), PLAND_w (the ratio of the water area), PLAND_f (the ratio of the forest area), SHDI (habitat heterogeneity), distance (the distance from the Hefei centre), and width (the width of each river section).