In 2024, around **Â percent of all tree species in Germany showed no thinning, while ** percent showed visible crown defoliation. The number of trees at alert level or with visible crown defoliation has increased since the , while trees that sowed no thinning at all have decreased.
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BMEL. (June 11, 2025). Development of circumference defoliation among all tree species in Germany from 1984 to 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1387623/circumference-defoliation-tree-species-germany/
BMEL. "Development of circumference defoliation among all tree species in Germany from 1984 to 2024." Chart. June 11, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1387623/circumference-defoliation-tree-species-germany/
BMEL. (2025). Development of circumference defoliation among all tree species in Germany from 1984 to 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1387623/circumference-defoliation-tree-species-germany/
BMEL. "Development of Circumference Defoliation among All Tree Species in Germany from 1984 to 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Jun 2025, /statistics/1387623/circumference-defoliation-tree-species-germany/
BMEL, Development of circumference defoliation among all tree species in Germany from 1984 to 2024 ÌÇÐÄÆƽâ°æ, /statistics/1387623/circumference-defoliation-tree-species-germany/ (last visited July 22, 2026)
Development of circumference defoliation among all tree species in Germany from 1984 to 2024 [Graph], BMEL, June 11, 2025. [Online]. Available: /statistics/1387623/circumference-defoliation-tree-species-germany/
