Slope position- mediated soil environmental filtering drives plant community assembly processes in hilly shrublands of Guilin, China DOI Creative Commons

Kunquan Chen,

Yuanfang Pan,

Yeqi Li

et al.

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 13

Published: Jan. 6, 2023

Background and aims A major goal of community ecology focuses on trying to understand how environmental filter plant functional traits drive assembly. However, slopes positions- mediated soil factors community-weighted mean (CWM) in shrub has not been extensively explored analyze distinguish assembly processes. Methods Here, we surveyed woody communities from three slope positions (foot, middle, upper) a low hilly area Guilin, China assess differences trait CWMs across these positions. We also measured the four including specific leaf area, dry matter content, chlorophyll thickness nine abiotic factors, water organic pH, total nitrogen, phosphorus, potassium, available potassium. used ANOVA Tukey HSD multiple comparisons redundancy analysis (RDA) compare relationships between along positions, quantified position-mediated filtering with three-step trait-based null model approach. Results The all except pH showed significant Soil were positively correlated CWM content first RDA axis phosphorous, second axis. Environmental was detected for but at Conclusions Ultimately, found that vary can cause variability communities. Deciduous species high moderate dominated middle position, whereas evergreen infertile soils, steeper slopes, more extreme contents. Altogether, our approach allowed us detect patterns filtering, which differed be applied future changes Chinese forest ecosystems.

Language: Английский

Effects of different fertilization practices on maize yield, soil nutrients, soil moisture, and water use efficiency in northern China based on a meta-analysis DOI Creative Commons
Minghao Jiang,

Chao Dong,

Wenpeng Bian

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: March 18, 2024

Abstract The application of fertilizer to ensure the steady improvement crop yield has become main means agricultural production. However, it remains be determined whether fertilization practices with different combinations nitrogen (N), phosphorus (P), potassium (K), and organic (O) fertilizers play a positive role in sustainability maize soil which is grown. Therefore,this meta-analysis extracted 2663 data points from 76 studies systematically analyze explore effects measures on yield, nutrients, water content use efficiency (WUE) northern China. Articles addressing this topic showed that effectively increased nutrient yield. matter (SOM) by 2.36 (N)–55.38% (NPO), total 6.10 (N)–56.39% available 17.12 (N)–474.74% changed − 2.90 (NP)–64.40% (NPO). Soil moisture 3.59% under single decreased 4.27–13.40% other treatments. Compared no fertilization, increase fertilized reached 11.65–220.42%. NP, NPK NPKO contributed most lithological, black fluvo-aquic soils, respectively. varied response same meteorological factors. WUE 9.51 160.72%. In conclusion, rational can improve combined chemical greatest WUE. Organic alone moisture. Our results provide theoretical basis for improving structure cultivation

Language: Английский

Citations

25
The stoichiometric characteristics and the relationship with hydraulic and morphological traits of the Faxon fir in the subalpine coniferous forest of Southwest China DOI Creative Commons
Shao’an Pan, Shoaib Ahmad Anees, Xinrui Yang

et al.

Ecological Indicators, Journal Year: 2024, Volume and Issue: 159, P. 111636 - 111636

Published: Jan. 26, 2024

High-altitude mountain plants are at risk of extinction due to global warming. Our study examined the stoichiometric characteristics high-altitude in response a progressively warming climate, as well exploring potential relationships between hydraulic conductivity efficiency, characteristics, and morphological traits. As research object, it was decided conduct this investigation using Faxon fir, dominant species Minjiang River Basin with better water conditions. The sampling time four months. In July 2019, October January 2020, April (N P) needles, branches, stems, roots fir were measured along an altitude gradient 200 m intervals from 2800 3600 m. We also traits This showed that N P preferentially followed by branches roots, finally trunk, N-restricted state. elements exhibit significant correlation traits, while relationship is mediated indirectly through At high altitudes, climate will increase limitation but effect on be relatively limited. Climate environment status closely related distribution nutrients organs. Undoubtedly, change directly affect survival plants, appropriate strategies can encourage adapt changes balancing energy among different organs tissues.

Language: Английский

Citations

19
Variations and driving factors of leaf functional traits in the dominant desert plant species along an environmental gradient in the drylands of China DOI
Muhammad Adnan Akram, Xiaoting Wang, Nawal Shrestha

et al.

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 897, P. 165394 - 165394

Published: July 10, 2023

Language: Английский

Citations

26
Estimation of above ground biomass in tropical heterogeneous forests in India using GEDI DOI Creative Commons

Indu Indirabai,

Mats Nilsson

Ecological Informatics, Journal Year: 2024, Volume and Issue: 82, P. 102712 - 102712

Published: June 30, 2024

Quantifying above ground biomass (AGB) and its spatial distribution can significantly contribute to monitor carbon stocks as well the storage dynamics in forests. For effective forest monitoring management case of complex tropical Indian forests, there is a need obtain reliable estimates amount sequestration at regional national levels, but estimation quite challenging. The main objective study validate usefulness gridded density (AGBD) (ton/ha) spaceborne LiDAR Global Ecosystem Dynamics Investigation data (GEDI L4B, Version 2) across two heterogeneous forests India, Betul Mudumalai Methodology includes, for each area, linear regression model which predicts AGB from Sentinel-2 MSI was developed using reference comparing it with GEDI AGBD values. Central India had RMSE 13.9 ton/ha, relative = 8.7% R2 0.88, bias −0.28 comparison between modelled 1 km resolution show relatively strong correlation (0.66) no or little bias. It also found that footprint value underestimated compared according model. southern an 29.1 10.8%, 0.79 −0.022. 0.84, field values lies 42.2 ton/ha 238.8 75.9 353.6 ton/ha. results indicates underestimates AGB, used produce product needs be adjusted provide information on balance changes over time type exists test areas.

Language: Английский

Citations

12
Leaf trait variations and correlations across four forests with similar mean annual precipitation in northern China DOI Creative Commons

Wenzheng Chang,

Qiu Song,

Xiaoying Zheng

et al.

Ecological Indicators, Journal Year: 2024, Volume and Issue: 165, P. 112199 - 112199

Published: June 12, 2024

Leaf functional traits (LFTs) are highly plastic and essential to plant resource acquisition utilization. However, the collinearity of environmental factors differences in response distinct types generate challenges clarifying contributions environment variables LFTs. This study selected 28 species from four forests northern China with similar mean annual precipitation (MAP) explore how other dissimilar influence LFTs after controlling for most influential factor. Specifically, we examined effect geographical (latitude, longitude, altitude) non-precipitation (mean temperature (MAT), aridity index (AI), soil pH) on leaf dry matter content (LDMC), carbon (LCC), nitrogen (LNC), phosphorus (LPC) concentration, pH. The can be attributed regulation moisture by factors. Therefore, remaining geo-environmental still played a significant role LFT variation excluding factor, which assist maintain original pattern change across gradient. As latitude, AI decreased, MAT increased, LCC LPC LNC first then LDMC pH did not significantly. trends intensity varied between types. Significant correlation were observed LPC-to-LDMC LPC-to-LNC all regions each species. Trait-trait relationships inconsistent life forms (herbs woody plants) pH-to-nutrient concentration (C, N, P), LCC-to-LPC, LCC-to-LDMC. Environmental larger contributors (especially LNC, LPC, LDMC) than (PFTs), while largely dependent PFTs. These patterns result adaptations multiple variables, single factor (even core element that generated such as MAP) cannot dominant geographic among sheds light adaptation strategies change, deepening our understanding ecosystem function coordination.

Language: Английский

Citations

11
Climate Factors Influence Above- and Belowground Biomass Allocations in Alpine Meadows and Desert Steppes through Alterations in Soil Nutrient Availability DOI Creative Commons
Jiangfeng Wang, Xing Zhang, Ru Wang

et al.

Plants, Journal Year: 2024, Volume and Issue: 13(5), P. 727 - 727

Published: March 4, 2024

Biomass is a direct reflection of community productivity, and the allocation aboveground belowground biomass survival strategy formed by long-term adaptation plants to environmental changes. However, under global changes, patterns aboveground–belowground allocations their controlling factors in different types grasslands are still unclear. Based on data 182 grasslands, including 17 alpine meadows (AMs) 21 desert steppes (DSs), this study investigates spatial distribution proportion (BGBP) main factors. The research results show that BGBP AMs significantly higher than DSs (p < 0.05). decreases with increasing mean annual temperature (MAT) precipitation (MAP) 0.05), while it increases soil nitrogen content (N), phosphorus (P), pH MAP (P) random forest model indicates most important factor affecting both DSs. Climate-related were identified as key drivers shaping exerting an influence nutrient availability. Climate exert influences not only grassland directly, but also indirectly impacting availability nutrients.

Language: Английский

Citations

10
Quercus cerris Leaf Functional Traits to Assess Urban Forest Health Status for Expeditious Analysis in a Mediterranean European Context DOI Creative Commons
Luca Quaranta, Piera Di Marzio, Paola Fortini

et al.

Plants, Journal Year: 2025, Volume and Issue: 14(2), P. 285 - 285

Published: Jan. 20, 2025

In the Mediterranean basin, urban forests are widely recognized as essential landscape components, playing a key role in nature-based solutions by enhancing environmental quality and providing range of ecosystem services. The selection woody plant species for afforestation reforestation should prioritize native that align with biogeographical ecological characteristics planting sites. Among these, Quercus cerris L. (Turkey oak) is considered promising candidate reforestation. However, its fitness within forest environments remains poorly understood. This study aimed to identify suitable leaf functional traits assessing response Q. analyze main climatic variables influencing performance contexts. We also proposed practical, rapid monitoring tools compare natural across different seasons. results demonstrated experiences significant water stress due combined effects drought high temperatures. To find mitigate this stress, differences between such specific area, thickness, contents chlorophyll, anthocyanins, flavonols were analyzed. Our findings underscore adaptability varied conditions. provides practical method rapidly responses tree climate change. future, approach will be tested on other characteristic ecosystems help choosing strategies.

Language: Английский

Citations

1
Comparative Foliar Atmospheric Mercury Accumulation across Functional Types in Temperate Trees DOI
Xinyu Zhang,

Huhu Kang,

Xiaohong Liu

et al.

Environmental Science & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Vegetation assimilation of atmospheric gaseous elemental mercury (GEM) represents the largest dry deposition pathway in global terrestrial ecosystems. This study investigated Hg accumulation mechanisms deciduous broadleaves and evergreen needles, focusing on how ecophysiological strategies─reflected by δ13C, δ18O, leaf mass per area, matter content-mediated accumulation. Results showed that leaves exhibited higher total (THg) concentrations rates (THgrate), which were 85.3 ± 17.7 110.0 0.3% than those needles. The two tree types distinct strategies: broadleaves, with stomatal conductance photosynthetic rates, rapidly adjust stomata to changes meteorological pollutant factors, playing a key role controlling THgrate. In contrast, needles featured stable control, highlighting direct positive effect GEM their Precipitation wind speed negatively influenced foliar Correlations between PM2.5, NO2, THgrate suggested synergistic patterns pollutants. underscores across functional emphasizes importance species-specific strategies. An empirical model linking ecophysiological, meteorological, pollution factors was provided, contributing refinement models.

Language: Английский

Citations

1
Temperature and precipitation effects on soil nitrogen availability and cycling in Chinese fir plantations across subtropical China DOI
Wei Zheng,

Peng Dang,

Jinshui Wu

et al.

CATENA, Journal Year: 2025, Volume and Issue: 251, P. 108830 - 108830

Published: Feb. 16, 2025

Language: Английский

Citations

1
Decadal decline in herbaceous species richness in wetland forests: Effects of an introduced pathogen and environmental change DOI
Alena Havrdová, Jan Douda, Karel Boublík

et al.

Forest Ecology and Management, Journal Year: 2025, Volume and Issue: 583, P. 122569 - 122569

Published: Feb. 21, 2025

Language: Английский

Citations

1