Applying Specific Habitat Indicators to Study Asteraceae Species Diversity Patterns in Mountainous Area of Beijing, China

Forests, Journal Year: 2024, Volume and Issue: 15(8), P. 1348 - 1348

Published: Aug. 2, 2024

The distribution pattern and influencing factors of specific species diversity play a crucial role in decision-making for biodiversity conservation. Identifying suitable regional habitat indicators to assess patterns is global focus topic. A total 112 sample plots were surveyed investigate the relationship between Asteraceae topography, soil nutrients, stand factors, using Structural Equation Model (SEM). Additionally, Maxent model was utilized predict response factors. findings revealed that canopy closure had different impacts on diversity, with nutrients showing highest relative coefficient, followed by topography closure. elevation slope gradient identified as direct indirect influences diversity. contribution rate potential environmental variables ranked follows: STN (29.7%) > SOM (28.5%) (8.5%) Ele (8.1%). found be abundant locations (>27 g/kg), (>1.8 (165–333 m), slopes (5–12 degrees). Soil nutrient content serves key indicator assessing abundance should considered

Language: Английский

Response of Fuel Characteristics, Potential Fire Behavior, and Understory Vegetation Diversity to Thinning in Platycladus orientalis Forest in Beijing, China

Forests, Journal Year: 2024, Volume and Issue: 15(9), P. 1667 - 1667

Published: Sept. 22, 2024

Objective: Active fuel management operations, such as thinning, can minimize extreme wildfire conditions while preserving ecosystem services, including maintaining understory vegetation diversity. However, the appropriate thinning intensity for balancing above two objectives has not been sufficiently studied. Methods: This study was conducted to assess impact of various intensities (light LT, 15%; moderate MT, 35%; heavy HT, 50%; and control treatment, CK) on characteristics, potential fire behavior, biodiversity in Platycladus orientalis forest Beijing using a combination field measurements behavior simulations (BehavePlus 6.0.0). Results: A significant reduction surface canopy loads with increasing intensity, notably reducing CBD below 0.1 kg/m3 under effectively prevented occurrence active crown fires, even weather conditions. Additionally, enhanced species diversity, yielding highest diversity index compared other treatments. Conclusions: These findings suggest that (35%) offers an optimal balance, substantially fires promoting biodiversity. Therefore, it is recommended carry out area. Forest managers leverage this information devise technical strategies simultaneously meet prevention enhance areas suitable thinning-only

Language: Английский