Details zur Publikation

Kategorie Textpublikation
Referenztyp Zeitschriften
DOI 10.1016/j.scitotenv.2024.176363
Titel (primär) Sparse large trees in secondary and planted forests highlight the need to improve forest conservation and management
Autor Jin, C.; Jiao, J.; Wu, C.; Mu, Y.; Zheng, S.; You, L.; Wu, W.; Liu, J.; Jiang, B.
Quelle Science of the Total Environment
Erscheinungsjahr 2024
Department SUSOZ
Band/Volume 954
Seite von art. 176363
Sprache englisch
Topic T5 Future Landscapes
Supplements https://ars.els-cdn.com/content/image/1-s2.0-S0048969724065197-mmc1.docx
Keywords Biodiversity; Large tree conservation; Forest conservation and management; Species richness; Tree density
Abstract Large trees are essential for carbon storage and biodiversity conservation. While an increasing number of studies have focused on large trees in primary forests, little is known about them in secondary and planted forests. We surveyed 86,936 trees in secondary forests and 91,294 trees in planted forests in Zhejiang, China, to investigate the distribution patterns and determinants of large trees in these forests. We found a mean density of large trees (DBH ≥ 30 cm) of 15 ± 13 stems ha−1 in secondary forests and 11 ± 9 stems ha−1 in planted forests. Moreover, the mean density of trees with DBH ≥ 60 cm was 0.36 stems ha−1, indicating that large trees are particularly rare in secondary and planted forests. These large trees were primarily occurred in secondary forests that living in high-elevation area with less human exploitation and colder and wetter climates, and in planted forests with higher species richness and lower tree density. In addition, the density of large trees in these forests significantly increased with tree species richness and decreased with increasing tree density. These results indicate that the sparse large trees were the legacy of historical human activities in the studied area, but currently, the development of large trees is still limited by the improper forest structure characterized by low species diversity and high tree density. To better conserve large trees, there is an urgent need for enhanced conservation policies for secondary forests, such as establishing forest parks for forests with large trees, and implementing near-natural forest management practices for planted forests, which include planting mixed native tree species and maintaining moderate tree density.
dauerhafte UFZ-Verlinkung https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=29739
Jin, C., Jiao, J., Wu, C., Mu, Y., Zheng, S., You, L., Wu, W., Liu, J., Jiang, B. (2024):
Sparse large trees in secondary and planted forests highlight the need to improve forest conservation and management
Sci. Total Environ. 954 , art. 176363 10.1016/j.scitotenv.2024.176363