Spatial distribution patterns of soil total phosphorus influenced by climatic factors in China’s forest ecosystems

Zhu, Jiang; Wu, Anchi; Zhou, Guoyi

doi:10.1038/s41598-021-84166-0

Cited by 21 publications

(8 citation statements)

References 54 publications

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“…Moreover, macro-climate variables such as MAT, MAP, MAE, and ATSR might better reflect the actual variations in soil stoichiometry (Li et al, 2020;Zhu et al, 2021). In this study, it was observed that MAT and ATSR had negative effects on the TP content and C:P ratio, which was mainly due to the fact that high air and soil temperature accelerated P leaching in the tropical and subtropical region, as reported in previous studies (Gardner, 1990).…”

Section: Coupling Relationships Between Soc N and P Contents Across C...supporting

confidence: 64%

Soil carbon, nitrogen, and phosphorus stoichiometry and its influencing factors in Chinese fir plantations across subtropical China

Tong

Wu²,

Jiang³

et al. 2023

Front. For. Glob. Change

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The crucial roles of soil carbon (C) and nutrients and their stoichiometric characteristics in indicating the soil interior nutrient cycling and plant nutrient supply of forest ecosystems have been widely verified, whereas it has been less explored when considering the influencing factors regionally, especially for the widely cultivated plantation tree species. In the current study, the patterns of soil organic C (SOC), total nitrogen (TN), and total phosphorus (TP) stoichiometry in Chinese fir [Cunninghamia lanceolata (Lamb.) Hook] plantations across subtropical China were analyzed, and their influencing factors were also investigated. The results showed that the range of SOC: TN (C:N), SOC: TP (C:P), and TN: TP (N:P) ratios were 7.32–18.27, 20.15–230.48, and 2.11–15.05 with a mean value of 13.22, 83.50, and 6.05, respectively. Well-constrained correlations were found in SOC and TN, as well as in TN and TP. Soil TN and TP contents increased with increasing altitude, whereas soil C:N, C:P, and N:P ratios decreased. Soil TP content decreased, and the C:P ratio increased with increasing mean annual temperature (MAT) and annual total solar radiation (ATSR). Soil C:N, C:P, and N:P ratios increased with increased mean annual precipitation (MAP) and mean annual evaporation (MAE). Overall, our findings suggested that the soil nutrient supply is relatively adequate in Chinese fir plantations across subtropical China. Meanwhile, soil C, N, and P stoichiometric characteristics were affected by geographical and climatic variables to different degrees.

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Section: Coupling Relationships Between Soc N and P Contents Across C...supporting

confidence: 64%

Soil carbon, nitrogen, and phosphorus stoichiometry and its influencing factors in Chinese fir plantations across subtropical China

Tong

Wu²,

Jiang³

et al. 2023

Front. For. Glob. Change

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“…This can be attributed to various environmental conditions. In contrast to forest ecosystems (Zhu et al, 2021), the revegetated desert soil also presented a low level of TP on the topsoil. This is because the single revegetation type (Caragana korshinskii Kom.…”

Section: Discussionmentioning

confidence: 73%

Kinetics of phosphorus sorption/desorption by soil aggregates in a long‐term revegetation desert ecosystem

Ren

et al. 2022

Land Degrad Dev

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Elucidating the kinetics of phosphorus (P) sorption and desorption in soil aggregates of different sizes has important implications for the regulation of plant growth and development in revegetation desert ecosystems. In this study, the Freundlich models were used to describe the kinetics of P sorption and desorption by soil aggregates of five sizes (0.5–0.25, 0.25–0.15, 0.15–0.10, 0.10–0.05 and <0.05 mm) in a long‐term revegetation desert ecosystem. The results showed that long‐term (>65 years) revegetation significantly improved the properties of desert soil in terms of P fractions (p < 0.05), soil bulk density (p < 0.05), and soil type. The Freundlich models well‐described P sorption and desorption by soil aggregates in the revegetated desert. Soil aggregates of 0.25–0.15 mm adsorbed the lowest amount of P (P adsorbed: KF = 0.26, n = 0.97) but desorbed the highest amount of P (P desorbed: KF = 2.41, n = −0.97). Soil aggregates of <0.05 mm adsorbed the most P (P adsorbed: KF = 0.60, n = 0.85) but desorbed the lowest P (P desorbed: KF = 1.67, n = −1.00). Furthermore, P sorption was fastest when the added P was 0–1.0 mg L−1, and P desorption was fastest at 1–3 hr. Soil aggregates that were 0.25–0.15 mm in size had the highest mass proportion in the long‐term revegetation desert and played a key role in supporting available P for plant development. Soil aggregates of <0.05 mm adsorbed the most P; however, their contribution was constrained because they had the smallest mass proportion and the lowest amount of P desorption.

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“…We further found that total soil phosphorus content was most important in influencing nematode alpha-diversity and trophic groups in temperate forests. It has previously been shown that total soil phosphorus content in China's forest soils depends on the combined effect of temperature and precipitation, with temperature being the main driver [60]. As temperature explained more variation in nematode alpha-diversity and abundances of trophic groups in temperate forests than in other types of forests, the explanatory power of total soil phosphorus content in temperate forests may to some extent be the result of covariation with temperature.…”

Section: Discussionmentioning

confidence: 99%

Drivers of nematode diversity in forest soils across climatic zones

et al. 2023

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Nematodes are the most abundant multi-cellular animals in soil, influencing key processes and functions in terrestrial ecosystems. Yet, little is known about the drivers of nematode abundance and diversity in forest soils across climatic zones. This is despite forests covering approximately 30% of the Earth's land surface, providing many crucial ecosystem services but strongly varying in climatic conditions and associated ecosystem properties across biogeographic zones. Here, we collected nematode samples from 13 forests across a latitudinal gradient. We divided this gradient into temperate, warm-temperate and tropical climatic zones and found that, across the gradient, nematode abundance and diversity were mainly influenced by soil organic carbon content. However, mean annual temperature and total soil phosphorus content in temperate zones, soil pH in warm-temperate zones, and mean annual precipitation in tropical zones were more important in driving nematode alpha-diversity, biomass and abundance. Additionally, nematode beta-diversity was higher in temperate than in warm-temperate and tropical zones. Together, our findings demonstrate that the drivers of nematode diversity in forested ecosystems are affected by the spatial scale and climatic conditions considered. This implies that high resolution studies are needed to accurately predict how soil functions respond if climate conditions move beyond the coping range of soil organisms.

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Spatial distribution patterns of soil total phosphorus influenced by climatic factors in China’s forest ecosystems

Cited by 21 publications

References 54 publications

Soil carbon, nitrogen, and phosphorus stoichiometry and its influencing factors in Chinese fir plantations across subtropical China

Soil carbon, nitrogen, and phosphorus stoichiometry and its influencing factors in Chinese fir plantations across subtropical China

Kinetics of phosphorus sorption/desorption by soil aggregates in a long‐term revegetation desert ecosystem

Drivers of nematode diversity in forest soils across climatic zones

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