Habitat Suitability Assessment of Key Wildlife in Hainan Tropical Rainforest Based on ESDM

Life, Journal Year: 2025, Volume and Issue: 15(2), P. 323 - 323

Published: Feb. 19, 2025

Hainan tropical rainforest is the largest contiguous in China, but it has experienced increasing disturbances from anthropogenic activities recent decades due to economic and social development. However, current status of wildlife habitats within remains insufficiently studied, lacking systematic scientific assessments necessary guide effective biodiversity conservation strategies. This study focuses on Jianfengling area rainforest, using infrared camera monitoring data habitat environmental factor collected through multi-source 2020-2021. By applying Ensemble Species Distribution Model (ESDM), we assessed spatial distribution suitability its influencing factors for seven representative species, as well overall multi-species suitability. The results indicate that exhibits a pattern high central regions low surrounding areas. Anthropogenic DEM were identified most significant selection, with species favoring mid altitude areas (500-1000 m) where human are less prevalent. provides support management authorities optimize resource allocation, develop dynamic strategies, implement measures.

Language: Английский

From Conservation to Development: A Study of Land Use and Ecological Changes to Vegetation Around the Hainan Tropical Rainforest National Park

Sustainability, Journal Year: 2025, Volume and Issue: 17(6), P. 2403 - 2403

Published: March 10, 2025

Global ecosystems, particularly in biodiversity-rich tropical rainforests, are increasingly under pressure from human activities. As socio-economic development continues and populations steadily grow, the effective planning of areas surrounding national parks has become a global challenge. This study, based on remote sensing data utilizing landscape ecology tools, such as ArcGIS 10.8, GeoDa 1.20, Fragstats 4.2, combines spatial statistical methods, trend analysis, Hurst index to conduct long-term analysis forecast future trends vegetation ecological quality indicators (VEQI) pattern changes within around Hainan Tropical Rainforest National Park. VEQI across various buffer zones were also assessed. Our results show that both arable built-up land increased, especially 2002 2022. Arable decreased 5566.8 km2 4796.8 km2, then increased 5904.6 km2; expanded 163.97 314.59 reflecting urbanization. Spatiotemporal revealed 42.54% study area experienced significant changes, with 24.05% increase (mainly northwest) an 18.49% decrease southeast). The improvements consistent all zones, most growth 7.5 km zone. Landscape indices indicated high fragmentation coastal areas, while inland remained stable, tension between conservation These findings provide theoretical basis for zone policies park.

Language: Английский

Biomass Characteristics of Tropical Montane Rain Forest in National Park of Hainan Tropical Rainforest

Land, Journal Year: 2025, Volume and Issue: 14(3), P. 608 - 608

Published: March 13, 2025

Forest biomass, as a carrier of carbon, is an important indicator for judging forest productivity, stability and sustainable development capacity. Using the survey data sample plots in eight areas central Hainan, biomass distribution tropical mountain rainforests National Park Hainan Tropical Rainforest different community sizes, diameter classes, altitudes spaces was measured to explore relationship between environmental factors. The results show that (1) total area montane about 983.70 km2, distributed within altitude range 700–1300 m; aboveground 25.208 million tons, which decreased first then increased with increasing altitude, average per unit 236.00 t·hm−2; (2) primary accounted 83.23% rainforest only 29.84% area, generally higher than secondary forest; (3) medium- large-diameter trees were main carriers rain forests. More 83.73% concentrated trees. this study provide reference others aiming perform measurement evaluation carbon sink capacity neutrality ecosystems or maintain regional biodiversity.

Language: Английский