Distribution Characteristics and Relationship Between Soil Salinity and Soil Particle Size in Ebinur Lake Wetland, Xinjiang

Land, Journal Year: 2025, Volume and Issue: 14(2), P. 297 - 297

Published: Jan. 31, 2025

A comprehensive understanding of soil salinity characteristics and the vertical spatial distribution particle sizes in lakes wetlands within arid zones, as well elucidating their interrelationship, is crucial for effective wetland salinization management. In this study, typical salinized wetland, Ebinur Lake was selected research object. total 50 sampling points were established along edge Lake, resulting collection 200 samples from depths 0–60 cm. The size (PSD) obtained by laser sizer, fractal dimension structure deduced applying theory. soluble salt content (TSS) ions measured laboratory physicochemical experiments. Finally, Pearson correlation other methods used to explore relationship between size. results showed following: (1) Soil study area severe, accumulation surface salts obvious, with a mean value 46,410 mg/kg. TSS predominantly influenced Cl−, SO42−, Na+ + K+, Mg2+, Ca2+. (2) Across various depths, silt sand primary constituents, dimensions (Dsoil) ranging 1.91 2.76, averaging 2.54, poor textural structure. Dsoil closely mirrored that TSS. (3) According analysis results, increased, continued rise, an increasing clay, while decreased. Simultaneously, particles became finer, also suggesting sandy loam silty soils more prone accumulation.

Language: Английский

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Effects of Freeze–Thaw Cycles on Uptake Preferences of Plants for Nutrient: A Review

Plants, Journal Year: 2025, Volume and Issue: 14(7), P. 1122 - 1122

Published: April 4, 2025

Freeze-thawing is an abiotic climatic force prevalent at mid-to-high latitudes or high altitudes, significantly impacting ecosystem nitrogen (N) and phosphorus (P) cycling, which receiving increasing attention due to ongoing global warming. The N P nutrients are essential for plant growth development, the uptake utilization of these by plants closely linked external environmental conditions. Additionally, availability influences ecological adaptability plants. Adapting diverse environments efficient represents a main focus in contemporary research on nutrient ecosystems altitudes. Through comprehensive analysis experimental results regarding mid-to-high-latitude high-altitude ecosystems, this paper discussed processes soil cycling different strategies forms employed during freezing thawing. Freeze-thaw cycles affect soil. Under freeze-thaw conditions, preferentially take up readily available sources (e.g., nitrate (NO3--N) ammonium (NH4+-N)) adjust their root timing uptake, developing specific physiological biochemical adaptations meet needs. When conditions poor limited, may rely more low-molecular-weight organic amino acids) as sources. Plants adapt changes environment adjusting growth, making secretions, utilizing microbial communities associated with cycle support utilization. Future should (i) enhance monitoring roots dynamics subterranean layers soil; (ii) incorporate broader range nutrients; (iii) examine landscape types, along spatial temporal heterogeneity climate change within seasons, minimizing uncertainty our understanding strategies.

Language: Английский

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Response of soft rock and sand compound soil structure to freeze-thaw cycles in Mu Us Sandy Land, China

Frontiers in Environmental Science, Journal Year: 2024, Volume and Issue: 12

Published: May 24, 2024

In order to accurately understand the relationship between soil structure and climate feedback in frozen area of Mu Us Sandy Land, China, explore key control factors for structural stability soft rock sand compound under freeze-thaw environment, indoor simulation experiment was applied. The results show that period, clay content, organic matter their interactions have significant effects on composite aggregates. After 10 cycles, aggregate content 1:0, 1:1, 1:2, 1:5 with a diameter greater than 1 mm decreased by 55%, 34%, 44%, 57%, while less increased 91%, 70%, 66%, 87%, composition each particle size is mainly concentrated range 0.25–0.5 mm. Under conditions, changes different proportions same, all showing 1:1>1:2:>1:5, 1:1 >0.25 highest. alternations, 1:2 aggregates (<0.5 mm) showed positive correlation matter, there no large (>1 matter. conclusion, cycle reduces aggregates, are controlling formation

Language: Английский

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Hydro-meteorological aspects of soil fluorides in semi-arid soils using microwave remote sensing

Environmental Monitoring and Assessment, Journal Year: 2024, Volume and Issue: 196(7)

Published: June 27, 2024

Language: Английский

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