Global Ecology and Conservation, Journal Year: 2024, Volume and Issue: 54, P. e03199 - e03199
Published: Sept. 12, 2024
Language: Английский
Forests, Journal Year: 2025, Volume and Issue: 16(2), P. 373 - 373
Published: Feb. 19, 2025
Riparian forests in the valley area of Irtysh River Basin are capable providing a variety ecosystem services such as water conservation and biodiversity maintenance. Their health condition is an important reflection their ability to maintain stability structure perform functions. In this study, comprehensive survey was conducted observe typical distribution areas riparian six tributaries one main stream Basin. Twelve indicators were chosen from three categories vigor (i.e., productivity), organization species diversity complexity), resistance harmful factors disturbances) form evaluation system. Expert-based statistical weighting applied calculate scores prioritized grades seven rivers. Several criteria used further classify unhealthy level each river individually. The results study can be foundation for future orderly development area. show that (1) Kuyertes classified healthy, while Haba Berezek Rivers unhealthy. (2) Among categories, consistently achieved higher compared resistance. (3) Unhealthy conditions observed midstream sections river. (4) Forest types Salix alba L. forests, Populus euphratica Oliv. Betula pendula Roth particularly prone poor outcomes. relatively unsatisfactory due conflicting resource allocation. protection restoration should future, well middle reaches tributary. Additionally, it necessary pay attention key indicators: stand volume per unit area, density, diameter at breast high (dbh) class improve forests.
Language: Английский
Citations
0
CATENA, Journal Year: 2025, Volume and Issue: 252, P. 108873 - 108873
Published: March 1, 2025
Language: Английский
Citations
0
Functional Ecology, Journal Year: 2025, Volume and Issue: unknown
Published: May 2, 2025
Abstract Trees are important above‐ground carbon sinks in savanna ecosystems, yet consumption of internal wood by decomposers (e.g. termites and microbes) creates uncertainties tree biomass accounting. It remains unclear whether stem damage is constant or variable throughout the tree, making it uncertain if a single sample reflects through tree. Furthermore, total location likely influenced external pressures (i.e. termites, microbes fire), species traits diameter at breast height [DBH], density) their interactions. We sampled lower (<2 m) trees North Queensland, Australia to examine vertical profile proportional absolute amounts damage. compared estimates from single‐sample method, assuming damage, with multi‐sample test how well one represented stem. investigated accumulated differently due DBH, density susceptibility fire scarring termite presence). Finally, we tested differentially affected this was mediated DBH density. The amount, but not proportion, decreased higher position on There no difference between methods. Species‐specific variation Total greatest large trees, particularly those presence. presence, scarring, differed among most occur large, dense trees. demonstrated that effectively captured Although accumulation rates increasing were consistent, suggesting general relationship. By integrating influence traits, our findings underscore importance considering these elements for accurately estimating stored biomass. Read free Plain Language Summary article Journal blog.
Language: Английский
Citations
0
Plants, Journal Year: 2025, Volume and Issue: 14(2), P. 154 - 154
Published: Jan. 7, 2025
The characteristics of heartwood and sapwood not only reflect tree growth site quality but also provide insights into habitat changes. This study examines the natural Populus euphratica Oliv. forest in Arghan section lower Tarim River, comparing P. at different distances from river, as well varying trunk heights diameters breast height (DBH). objective was to examine correlation between these physicochemical properties soil better understand ecological response strategies arid environments. Results indicated that radius, width, area, moisture content decreased with increasing height, following pattern: 0.3 m > 0.8 1.3 m. In contrast, density increased increased. Most indicators larger diameters. case a DBH less than 45 cm, difference significant (p 0.05) However, m, < 0.05). Soil analysis revealed factors such total nitrogen, available potassium, water significantly influenced physical across sites. Redundancy (RDA) further demonstrated phosphorus, were correlated sapwood, validating critical role nutrients shaping wood euphratica. These findings highlighted specific adaptations River desert environment, reflected observed relationships conditions sapwood.
Language: Английский
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0
Forest Ecology and Management, Journal Year: 2025, Volume and Issue: 581, P. 122556 - 122556
Published: Feb. 13, 2025
Language: Английский
Citations
0
Forests, Journal Year: 2025, Volume and Issue: 16(2), P. 368 - 368
Published: Feb. 18, 2025
The Populus euphratica desert riparian forest, predominantly distributed along the Tarim River in northwestern China, has experienced significant degradation due to climate change and anthropogenic activities. Despite its ecological importance, systematic assessments of P. stand structure across entire remain scarce. This study employed terrestrial laser scanning (TLS) capture high-resolution 3D structural data from 2741 individual trees 30 plots within six transects, covering 1300 km mainstream River. ANOVA, PCA, RDA were applied examine tree variation environmental influences. Results revealed a progressive decline key parameters upper lower reaches river, with showing pronounced degradation. Stand density decreased 440 257 per hectare, mean height declined 9.3 m 5.6 m, crown diameter reduced 4.1 3.8 canopy cover dropped 62% 42%, leaf area index fell 0.51 0.29. Age class distributions varied highlighting population structures indicative growth reaches, stability middle reaches. Abiotic factors, including groundwater depth, soil salinity, moisture, precipitation, exhibited strong correlations (p < 0.05, R2 ≥ 0.69). findings highlight spatial variations structure, healthier enhance our understanding forest development processes, emphasize urgent need for targeted conservation strategies. comprehensive quantification drivers offer valuable insights into dynamics ecosystems. contribute processes provide scientific basis formulating effective strategies sustain these vital ecosystems, as well monitoring regional changes.
Language: Английский
Citations
0
Deleted Journal, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 1, 2024
Language: Английский
Citations
2
Global Ecology and Conservation, Journal Year: 2024, Volume and Issue: 54, P. e03199 - e03199
Published: Sept. 12, 2024
Language: Английский
Citations
0