AI Article Synopsis
- Understanding how the age structure of forest ecosystems affects soil nutrients (carbon, nitrogen, and phosphorus) is essential for managing and conserving forests.
- A study focused on different-aged Chinese fir forests revealed that soil nutrient levels and biomass increased as the forests aged.
- The research found that soil carbon and phosphorus significantly rise with age, while nitrogen levels showed only slight changes, indicating shifts in nutrient dynamics over time.
Article Abstract
Understanding the ecological dynamics of forest ecosystems, particularly the influence of forest age structure on soil carbon (C), nitrogen (N), and phosphorus (P) content, is crucial for effective forest management and conservation. This study aimed to investigate the nutrient storage and ecological stoichiometry across different-aged stands of Chinese fir forests. Soil samples were collected from various depths (0-15 cm, 15-30 cm, and 30-45 cm) across four age groups of Chinese fir forests (8-year-old, 12-year-old, 20-year-old, and 25-year-old) in the Forest Farm, Pingjiang County, China. Soil organic carbon (SOC), total nitrogen (TN), and total phosphorus (TP) were measured, and their stoichiometries were calculated. The results showed that both individual tree biomass and stand biomass, along with SOC, TN, and TP content, increased with stand age, highlighting the significant importance of stand age on biomass production and nutrient accumulation in forests. Specifically, soil C and P contents significantly increased as the forest aged, while variation in N content was relatively minor. Soil C/N and C/P ratios exhibited variation corresponding to forest age, suggesting alterations in the ecological stoichiometry characteristics of the forests over time. These findings are crucial for understanding the dynamics of ecosystem functioning and nutrient cycling within Chinese fir forests and provide a solid scientific basis for the effective management and conservation of these vital forest ecosystems.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11244288 | PMC |
| http://dx.doi.org/10.3390/plants13131877 | DOI Listing |
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