Journal of Arid Environments最新文献_第5页

Multi-step evaluation framework for analyzing mineral dust transport and meteorological impacts over northern India 分析印度北部矿物粉尘运输和气象影响的多步骤评价框架

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-29 DOI: 10.1016/j.jaridenv.2025.105389

Sachin Budakoti

{"title":"Multi-step evaluation framework for analyzing mineral dust transport and meteorological impacts over northern India","authors":"Sachin Budakoti","doi":"10.1016/j.jaridenv.2025.105389","DOIUrl":"10.1016/j.jaridenv.2025.105389","url":null,"abstract":"<div><div>Dust burden during the dust storms events imparts an adverse effect on human health and environment. The aim of this research is to provide a deeper understanding about the atmospheric dynamics of long-range transport of mineral dust for 8 severe dust storm events over the Indian region during the period 2008–2022. Transport of mineral dust analyzed based on MERRA-2 Dust column mass density, following a multistep evaluation process with individual datasets. Synoptic conditions inferred based on wind circulations patterns (200hpa and 850hpa) and mean sea level pressure. Semi-Direct effect of dust aerosol inferred based on the metrological conditions. Low pressure system and prevalence of stronger winds (>15 m/s) results in long-range transport of mineral dust. HYSPLIT Back-trajectory analysis and upper tropospheric circulations states the propagation of mineral dust from the dust prone regions. Enhanced dust loading (>0.89 × 10<sup>−3</sup> kg/m<sup>2</sup>) is associated with reduced mid-tropospheric relative humidity and surface temperature. Higher aerosol loading (>1.0) combined with a low Ångström exponent (<0.6) values indicate the presence of coarse-mode dust particles in the atmosphere. The presence of elevated absorbing aerosols leads to atmospheric heating and moisture suppression in the mid-troposphere, reflecting the semi-direct effect of dust aerosols over Northern India.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105389"},"PeriodicalIF":2.6,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Shrubs lower construction and maintenance costs for burrowing central-place rodent foragers in a sandy habitat 灌木降低了在沙地生境中挖洞的啮齿动物觅食者的建造和维护成本

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-29 DOI: 10.1016/j.jaridenv.2025.105392

Arik Dorfman, Aziz Subach, Inon Scharf

{"title":"Shrubs lower construction and maintenance costs for burrowing central-place rodent foragers in a sandy habitat","authors":"Arik Dorfman, Aziz Subach, Inon Scharf","doi":"10.1016/j.jaridenv.2025.105392","DOIUrl":"10.1016/j.jaridenv.2025.105392","url":null,"abstract":"<div><div>Choosing a location for building a home base is an important decision for central-place foragers – animals that return to a fixed location after each foraging bout to feed, store their food, or raise their offspring. Factors influencing the decision of where to place the home base include the energetic costs for its construction and maintenance. Here, we examined the factors influencing this decision in a group of burrow-dwelling, central-place foraging desert rodents (gerbils). We focused on shrubs, the most prominent environmental feature in dune habitats, and the maintenance and construction costs of burrows by rodents inhabiting dunes. Based on a field experiment and a model, we found that shrubs moderate these costs, providing a favorable microhabitat for burrows. We further conducted a field survey to assess whether rodents prefer to build burrows near shrubs. This preference was confirmed, supporting our conclusion. Our study emphasizes the role of shrubs in the economics of constructing and maintaining a burrow, an effect that may influence the distribution of many burrow-dwelling animals. We also discuss other factors that may influence burrowing, generalizing the results for sand-dwelling burrowing animals.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105392"},"PeriodicalIF":2.6,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143887823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of ENSO on moisture provenance and stable isotope dynamics during the North American Monsoon ENSO对北美季风水汽来源和稳定同位素动力学的影响

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-24 DOI: 10.1016/j.jaridenv.2025.105395

Ricardo Sánchez-Murillo , Omar A. López-Mireles , Felipe A. Vázquez-Gálvez , Enrico A. Yépez , Kritan Subedi , Mark Stone , Elí R. Pérez-Ruiz , Yazmin G. Hernández-García , Juan Camacho-Puerto , David K. Adams

{"title":"Influence of ENSO on moisture provenance and stable isotope dynamics during the North American Monsoon","authors":"Ricardo Sánchez-Murillo , Omar A. López-Mireles , Felipe A. Vázquez-Gálvez , Enrico A. Yépez , Kritan Subedi , Mark Stone , Elí R. Pérez-Ruiz , Yazmin G. Hernández-García , Juan Camacho-Puerto , David K. Adams","doi":"10.1016/j.jaridenv.2025.105395","DOIUrl":"10.1016/j.jaridenv.2025.105395","url":null,"abstract":"<div><div>The North American Monsoon (NAM) moisture sources have long been debated. This study explores moisture sources and precipitation isotope variability across the North American Monsoon (NAM) region during La Niña (2022) and El Niño (2023). By integrating isotope data with meteorological conditions, air mass back trajectories, and atmospheric profiles at Ciudad Obregón, Ciudad Juárez, and Albuquerque, we identified clear differences in moisture provenance and isotopic response between years. During La Niña, inland and Gulf of Mexico-derived moisture played a larger role northeast of the Sierra Madre Occidental. In contrast, El Niño conditions favored westerly, Gulf of California, and nearby Pacific Ocean sources. The isotopic values reflected these changes, particularly in <em>d</em>-excess, which differentiated coastal and continental influences. Coastal sites were more sensitive to radiation and convective factors, whereas inland sites showed stronger control by air mass transport history. Multivariate and Random Forest analyses confirmed that isotopic variability was more predictable at inland locations, suggesting greater sensitivity to large-scale atmospheric dynamics. Our results highlight the dynamic interplay between oceanic and continental moisture pathways in shaping NAM precipitation. They also demonstrate how ENSO phases alter the dominant controls on precipitation isotopes, offering new insight into hydroclimatic variability in this critical monsoonal region.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105395"},"PeriodicalIF":2.6,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143863938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Monitoring desertification in Ordos City using integrated vegetation and soil indicators 基于植被与土壤综合指标的鄂尔多斯市沙漠化监测

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-23 DOI: 10.1016/j.jaridenv.2025.105391

Jinting Zhang, Lu Hu, Kui Yang

{"title":"Monitoring desertification in Ordos City using integrated vegetation and soil indicators","authors":"Jinting Zhang, Lu Hu, Kui Yang","doi":"10.1016/j.jaridenv.2025.105391","DOIUrl":"10.1016/j.jaridenv.2025.105391","url":null,"abstract":"<div><div>Desertification is a major environmental challenge in arid and semi-arid regions. This study examines the spatiotemporal evolution of desertification in Ordos City, China (2001–2020) using long-term remote sensing monitoring and the Geographical Detector Model (GDM). To improve classification accuracy, we developed a multi-indicator framework integrating Fractional Vegetation Cover (FVC), Modified Soil-Adjusted Vegetation Index (MSAVI), and Soil Organic Carbon (SOC). Results indicate an overall decline in desertification, with severely desertified land (SED) decreasing from 32.65 % in 2001 to 18.48 % in 2020, while moderately desertified land (MD) increased by 15.81 %. The most significant improvements occurred between 2015 and 2020, particularly in northwestern and central Ordos, including Hanggin Banner, Otog Banner, and Dalad Banner. Analysis of climate driving factors identified land surface temperature (LST) (q = 0.26), wind speed (WS) (q = 0.24), and precipitation (PRE) (q = 0.20) as the primary contributors, while topographic factors (elevation and slope) had minimal influence. LST and WS had the strongest impacts, positively correlating with desertification, whereas PRE exhibited a negative correlation. Interaction analysis revealed LST and WS had the most significant combined effect, followed by PRE and LST, while SLO and DEM interactions had the weakest influence. Those findings, combined with environmental policy analysis, provide a deeper understanding of desertification processes and highlight the need for continuous monitoring and targeted measures in vulnerable regions.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105391"},"PeriodicalIF":2.6,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The function of plants collected by bush Karoo rats (Otomys unisulcatus): Do dried up food plants represent stored food? 灌木卡鲁大鼠采集的植物的功能：干枯的食用植物是否代表储存的食物？

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-22 DOI: 10.1016/j.jaridenv.2025.105385

S.P. Sangweni , N. Pillay , J. Ganzhorn , R. Rimbach , C. Schradin , L. Makuya

{"title":"The function of plants collected by bush Karoo rats (Otomys unisulcatus): Do dried up food plants represent stored food?","authors":"S.P. Sangweni , N. Pillay , J. Ganzhorn , R. Rimbach , C. Schradin , L. Makuya","doi":"10.1016/j.jaridenv.2025.105385","DOIUrl":"10.1016/j.jaridenv.2025.105385","url":null,"abstract":"<div><div>Food storing to cope with food reduction during winter has been observed in many rodents in the northern hemisphere. Food storing could also be adaptive in semi-deserts of the southern hemisphere, which experience food-restricted dry seasons. We studied the function of dried food plants found at the stick lodges of bush Karoo rats in a semi-desert in South Africa. We performed 998 focal animal observations and monitored 12 lodges to record the fate of plant pieces carried back to the lodges. Collected plant species were eaten green (68 %), eaten as plantong (12 %), incorporated into the structure of the lodge (11 %), or their fate was unknown (9 %). Especially succulents carried back to the lodge dried out, forming what we refer to as plantong. This happened mainly in the food rich moist season. However, plantong was not stored from the moist to the dry season but was consumed within 6 ± 5 days. Bush Karoo rats readily ate plantong presented to them experimentally. We regard plantong as leftover from food freshly consumed at the lodge, but not as food collected in the moist season to be stored for later consumption during the dry season.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105385"},"PeriodicalIF":2.6,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Asymmetric effects of daytime and nighttime warming on vegetation greenness in the Mongolian Plateau 蒙古高原昼夜增温对植被绿度的非对称效应

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-21 DOI: 10.1016/j.jaridenv.2025.105394

Jiale Xu , Xingchuan Yang , Leyan Shi , Zhiqiang Yang , Yixue Zhong , Pengfei Ma , Zhuowei Hu , Pengcheng Wang , Wenji Zhao

{"title":"Asymmetric effects of daytime and nighttime warming on vegetation greenness in the Mongolian Plateau","authors":"Jiale Xu , Xingchuan Yang , Leyan Shi , Zhiqiang Yang , Yixue Zhong , Pengfei Ma , Zhuowei Hu , Pengcheng Wang , Wenji Zhao","doi":"10.1016/j.jaridenv.2025.105394","DOIUrl":"10.1016/j.jaridenv.2025.105394","url":null,"abstract":"<div><div>Asymmetric warming of land surface temperatures during the daytime and nighttime has significantly influenced global vegetation growth. This study examines the spatio-temporal patterns of daytime and nighttime temperatures, as well as vegetation growth, in the Mongolian Plateau using ERA-5 data and GIMMS Normalized Difference Vegetation Index (NDVI) data from 1982 to 2022. Through partial correlation and multiple regression analyses, the study further investigates the asymmetric responses of vegetation growth to variations in daytime and nighttime temperatures across the region. The key findings of the study are as follows: (1) Between 1982 and 2022, both daytime and nighttime temperatures in the Mongolian Plateau showed an increasing trend. The rate of increase in daytime temperature (0.44 °C/decade) was 1.22 times that of nighttime temperature (0.36 °C/decade). NDVI values generally exhibited an upward trend, with a growth rate of approximately 0.004/decade. (2) Vegetation growth responses to daytime and nighttime temperatures were asymmetric across the Mongolian Plateau. In 77.95 % of the region, increases in nighttime temperatures were positively correlated with vegetation growth, while 86.46 % of the same regions showed a negative correlation between daytime temperature increases and vegetation growth. (3) Over time, the correlation and sensitivity of NDVI to both daytime and nighttime temperatures have weakened. The inverse responses of NDVI to daytime and nighttime temperature variations may be attributed to the arid climatic conditions of the Mongolian Plateau. Additionally, the weakening of these responses over time may reflect an increasing adaptability of vegetation to the region's climate aridity.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105394"},"PeriodicalIF":2.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of machine-learning algorithms in estimation of relative water content of sorghum under different irrigated environments 不同灌溉环境下高粱相对含水量估算的机器学习算法评价

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-18 DOI: 10.1016/j.jaridenv.2025.105390

S. Divya Dharshini , Anurag , Anil Kumar , Satpal , Manoj Kumar , P. Priyanka , K. Pugazenthi

{"title":"Evaluation of machine-learning algorithms in estimation of relative water content of sorghum under different irrigated environments","authors":"S. Divya Dharshini , Anurag , Anil Kumar , Satpal , Manoj Kumar , P. Priyanka , K. Pugazenthi","doi":"10.1016/j.jaridenv.2025.105390","DOIUrl":"10.1016/j.jaridenv.2025.105390","url":null,"abstract":"<div><div>Sorghum, a climate-resilient crop widely cultivated in arid and semi-arid regions, is crucial for food and feed security in India. Its ability to tolerate water stress makes it essential for sustainable agriculture under future climatic scenarios. However, the inherent delay in water stress symptom expression in sorghum poses challenges for timely intervention, necessitating precise monitoring methods for assessing crop water status. This study evaluates the performance of different ML algorithms in estimating the relative water content of the sorghum under irrigated and rainfed conditions. The results showed that the distinct spectral curves obtained under the two different irrigated condition. The four different ML algorithms such as RF, XGboost, SVM, PLS were trained with spectral reflectance data covering 320–1100 nm to estimate the RWC of the sorghum. Among the models, SVM (R<sup>2</sup> = 0.94, RMSE = 1.457, MSE = 2.123) demonstrated the highest accuracy followed by XGboost, RF, and PLS. Under rainfed conditions, all models exhibited reduced performance, with XGboost performing relatively better (R<sup>2</sup> = 0.70, low RMSE value of 3.707, and MSE of 13.741), while PLS performed the least (R<sup>2</sup> = 0.60, RMSE = 5.523, MSE = 30.505). This study demonstrates the potential of ML algorithms, particularly SVM and XGBoost, for precise RWC estimation and also highlighted the limitations of models under limited water condition.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105390"},"PeriodicalIF":2.6,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Overlooked stories beneath the rocks: Rodents as potential columnar cactus seed dispersers in the campo rupestre ecosystem 岩石下被忽视的故事：啮齿动物是仙人掌生态系统中潜在的柱状种子传播者

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-17 DOI: 10.1016/j.jaridenv.2025.105388

Leonardo Guimarães Lessa , Dayana Maria Teodoro Francino , Christian Nathan da Silva Oliveira , Ítalo António Cotta Coutinho , Tiago Vinicius Fernandes

{"title":"Overlooked stories beneath the rocks: Rodents as potential columnar cactus seed dispersers in the campo rupestre ecosystem","authors":"Leonardo Guimarães Lessa , Dayana Maria Teodoro Francino , Christian Nathan da Silva Oliveira , Ítalo António Cotta Coutinho , Tiago Vinicius Fernandes","doi":"10.1016/j.jaridenv.2025.105388","DOIUrl":"10.1016/j.jaridenv.2025.105388","url":null,"abstract":"<div><div>Although small rodents are typically considered seed predators, recent evidence indicates they may also serve as endozoochoric dispersers for small-seeded plants. In this context, <em>Thrichomys apereoides</em> (Rodent) is one of the main consumers of <em>Cipocereus minensis</em> fruits, an endemic cactus within the <em>campo rupestre</em> ecosystem, a high-elevation rocky grassland. However, the full extent of its potential as a seed dispersal agent for this plant remains unknown. We investigated the effects of seed scarification following gut passage by <em>T. apereoides</em> on cactus seeds, evaluating the gut passage effects on seed fate (germinability and viability). We also explore possible mechanisms involved in germination changes by evaluating the morphological changes in seeds after gut passage. We found that 92 % of seeds found in <em>T. apereoides</em> feces appeared undamaged. However, we observed a divergent effect of gut passage on seed fate: while it had no effect on the seed viability, it reduced seed germination from 11.9 % (Seeds without pulp, extracted directly from ripe fruits) to 4.3 %. An anatomical analysis of seeds reveals that while the seed coat is thick and resistant to gut passage, microfissures in some seeds allow for embryo digestion. Despite those limitations, our results provide the first evidence for the potential contribution of <em>T. apereoides</em> dispersing viable seeds of <em>C. minensis</em>, a vital process to seed bank formation and plant establishment.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105388"},"PeriodicalIF":2.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143839187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Habitat associations of desert bighorn sheep in Sonora, Mexico 墨西哥索诺拉沙漠大角羊的生境协会

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-16 DOI: 10.1016/j.jaridenv.2025.105386

Juan Manuel Segundo Galán , Erik Joaquín Torres-Romero , Louis C. Bender

{"title":"Habitat associations of desert bighorn sheep in Sonora, Mexico","authors":"Juan Manuel Segundo Galán , Erik Joaquín Torres-Romero , Louis C. Bender","doi":"10.1016/j.jaridenv.2025.105386","DOIUrl":"10.1016/j.jaridenv.2025.105386","url":null,"abstract":"<div><div>Desert bighorn (<em>Ovis canadensis mexicana</em>) have declined throughout Mexico, necessitating actions to inform habitat management and guide population restorations. We used a generalized resource-area-dependence analysis and univariate modeling of home range sizes to identify habitat quality for, and distribution v. availability (i.e., “habitat use”) analyses to further identify habitat associations of, 37 satellite/GPS collared adult desert bighorn in Sonora, Mexico. We found that sarcocaul shrubland and greater terrain ruggedness were most associated with desert bighorn home ranges. Sarcocaul shrubland was the only vegetation type related to home range size (i.e., habitat quality) of desert bighorn (adult females), and was also the only vegetation type significantly overrepresented in home ranges of both sexes. Similarly, greater terrain ruggedness was consistently associated with both sexes. Our results reflected availability of preferred foods and greater security for desert bighorn in Sonora. Our individual-based, telemetry-based data provide a rigorous basis for evaluating habitat potential and planning population restorations of bighorn in Mexico, and provide a quantitative guide for conservation of desert bighorn habitat and populations in Sonora and throughout arid Mexico.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105386"},"PeriodicalIF":2.6,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143839186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Does sample size of leaf osmotic potential significantly affect the evidence of its association with cotton yield? 叶片渗透势的样本量是否显著影响其与棉花产量相关的证据？

IF 2.6 3区环境科学与生态学

Journal of Arid Environments Pub Date : 2025-04-15 DOI: 10.1016/j.jaridenv.2025.105387

Xuejun Dong , Dale A. Mott , Quan Zhou , Benjamin M. McKnight

{"title":"Does sample size of leaf osmotic potential significantly affect the evidence of its association with cotton yield?","authors":"Xuejun Dong , Dale A. Mott , Quan Zhou , Benjamin M. McKnight","doi":"10.1016/j.jaridenv.2025.105387","DOIUrl":"10.1016/j.jaridenv.2025.105387","url":null,"abstract":"<div><div>Leaf osmotic potential at full turgor (<em>π</em><sub>0</sub>) has been used frequently to indicate turgor loss point of plant leaves. However, even a rapid measurement of <em>π</em><sub>0</sub> using osmometry is time-consuming, if numerous leaf samples need to be measured. Because of this, researchers tend to use a small sample size to determine <em>π</em><sub>0</sub> and relate it to indices of crop performance. Yet the statistical and agronomic significance of using a small sample size of <em>π</em><sub>0</sub> to indicate crop performance is not known. We address this question using field measurements and statistical resampling. Six mature leaf samples were collected at the peak bloom stage from each of the 54 cotton plots in Texas, USA in 2024. The <em>π</em><sub>0</sub> of the collected leaves were measured using an osmometer. Seed cotton yields from the field plots were measured near the end of cotton season. To test the effect of sample size on the evidence of the association between <em>π</em><sub>0</sub> and cotton yield, 1–6 resamples of <em>π</em><sub>0</sub> were randomly drawn with replacement from the original 6 measurements per plot for the 54 plots. The resampled data of <em>π</em><sub>0</sub> were then used as independent variable to predict cotton yield. We found that, considering the labor and cost, sampling 3 leaves per plot would be adequate for the linear regression between <em>π</em><sub>0</sub> and cotton yield.</div></div>","PeriodicalId":51080,"journal":{"name":"Journal of Arid Environments","volume":"229 ","pages":"Article 105387"},"PeriodicalIF":2.6,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0