Article
Green & Sustainable Science & Technology
Vijyeta Manral, Kiran Bargali, Surendra Singh Bargali, Himani Karki, Ravi Kant Chaturvedi
Summary: This study examined altitudinal and seasonal variations in microbial biomass carbon, nitrogen, and phosphorus in a temperate mixed oak-pine forest in the Central Himalayas, India. The results showed that microbial biomass decreased with increasing altitude, with the highest values during the rainy season and the lowest values during winter. The study also found correlations between microbial biomass and soil physico-chemical properties. The findings suggest that the forest ecosystem employs a nutrient conservation strategy during the rainy season.
Article
Environmental Sciences
Yi Zhang, Hong Gao, Zucong Cai, Jinbo Zhang, Christoph Mueller
Summary: Available N is crucial for plant-microbial system and carbon sequestration in terrestrial ecosystems. This study estimated Navail-soil production in global tropical forests by building a random forest model using data on soil N mineralization, immobilization, climate, and soil properties. The results provided theoretical basis for evaluating soil C sequestration potential in tropical forest ecosystems like those in southern America, southeast Asia, and Africa.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ana Khan, Becky A. Ball
Summary: The polar regions respond differently to climate change in terms of temperature and moisture. Soil microbes in polar deserts are co-limited by temperature and moisture, while the response in tundra ecosystems depends on the geographic location. Carbon and nitrogen cycles in polar regions are more sensitive to climate change, while phosphorus availability is not affected.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
James C. Maltman, Txomin Hermosilla, Michael A. Wulder, Nicholas C. Coops, Joanne C. White
Summary: Forest age is a crucial variable for assessing biodiversity, sustainable land management, and forest carbon science. Estimating forest age using optical Earth observation data is challenging due to limited spectral link to the attribute of interest, especially for older forests. In this study, three approaches were combined to estimate forest age at a 30-m spatial resolution in Canada's forested ecosystems. Spatially explicit maps of forest age provide valuable information for understanding forest ecosystems and can be utilized in various policy, science, and management applications.
REMOTE SENSING OF ENVIRONMENT
(2023)
Article
Biodiversity Conservation
Stephen Caron, Sarah M. M. Garvey, Jonathan Gewirtzman, Kyle Schultz, Jennifer M. M. Bhatnagar, Charles Driscoll, Lucy R. R. Hutyra, Pamela H. H. Templer
Summary: Nitrogen availability has been declining in terrestrial ecosystems worldwide, but urban forests in the northeastern U.S. exhibit higher soil nitrogen availability and uptake by trees compared to rural forests, countering the trend of N oligotrophication. Forest fragmentation diminishes the increase in available nitrogen, indicating an opposite effect of urbanization on nitrogen availability and demand by trees.
GLOBAL CHANGE BIOLOGY
(2023)
Article
Environmental Sciences
Bin Niu, Qiuyu Chen, Hongzhe Jiao, Xiaoqin Yang, Ming Shao, Jian Wang, Guicai Si, Tianzhu Lei, Yibo Yang, Gengxin Zhang, Georg Guggenberger
Summary: Mineral-associated organic matter (MAOM) is the largest soil carbon pool, but the understanding of different organo-mineral fractions and their response to environmental variables is limited. In this study, sequential chemical extraction was used to separate MAOM fractions and alpine forest soils were selected to assess their response to climate change. Residual and weakly adsorbed organic matter were the primary fractions, and climate indirectly affected their preservation through weathering and environmental factors. The organo-mineral fractions were closely associated with metal cations and secondary minerals, forming complex networks. Water-soluble, weakly adsorbed, and Fe/Al oxyhydroxide-stabilized organic matter played central roles in the networks and were related to soil pH, moisture, and microbial composition. Additionally, climate and weathering factors greatly impacted Fe/Al-OM complexes, oxyhydroxide-stabilized organic matter, and residual organic matter. The complex network among organo-mineral fractions provides insights into MAOM preservation under climate change.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Ecology
Emre Babur, Turgay Dindaroglu, Muhammad Riaz, Omer Suha Uslu
Summary: The forest floor plays a critical role in the stability of forest ecosystems, with seasonal variations in litter decomposition rate contributing to biochemical and structural heterogeneity in carbon and nutrient cycling. The study found that microbial respiration was significantly higher in fall, winter, and spring, with lower microbial biomass observed in winter across all forest types. Microbial C use efficiency varied between forest stands and seasons, with strong correlations between litter layer characteristics and microbial biomass C/N ratios.
Article
Construction & Building Technology
Huifang Li, Yanan Li, Tao Wang, Zhihua Wang, Meiling Gao, Huanfeng Shen
Summary: This study quantified the effects of three-dimensional building form on urban land surface temperature using Landsat thermal sensors. Factors such as building density, building height, and building shadow were found to have significant impacts on LST, while sky view factor and frontal area index showed varying effects on LST.
BUILDING AND ENVIRONMENT
(2021)
Article
Environmental Sciences
Xiao Chen, Jiguang Feng, Zongju Ding, Mao Tang, Biao Zhu
Summary: This study explores the vertical and latitudinal patterns of soil microbial and enzymatic C-N-P contents and ratios in eight forest ecosystems in eastern China. The results show significant variations in C-N-P contents and stoichiometry with depth and latitude. Additionally, the correlations between C-N-P contents and latitude are stronger in surface soils compared to deep soils.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Yibo Liu, Yanping Shen, Cheng Cheng, Weilin Yuan, Hongjie Gao, Ping Guo
Summary: Organic matter decomposition is an important function in river ecosystems, and changes in land use and landscape pattern have a significant impact on this process. This study used various methods to investigate the controlling factors of organic matter decomposition in river ecosystems, including land use and landscape pattern metrics, water quality parameters, and microbial groups. The study also proposed specific paths through which land use and landscape pattern influence organic matter decomposition.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Ecology
Ernest D. Osburn, Brian D. Badgley, Brian D. Strahm, Frank O. Aylward, J. E. Barrett
Summary: Researchers studied microbial community structure and ecosystem functioning in disturbed and undisturbed forest soils at the Coweeta Hydrologic Laboratory. The results showed that disturbed soil microbial communities were associated with ecosystem functioning, particularly in carbon and nitrogen cycling process rates. While few ecosystem functions were related to microbial alpha diversity, all functions were associated with microbial community composition metrics.
Article
Green & Sustainable Science & Technology
Monica L. Noon, Allie Goldstein, Juan Carlos Ledezma, Patrick R. Roehrdanz, Susan C. Cook-Patton, Seth A. Spawn-Lee, Timothy Maxwell Wright, Mariano Gonzalez-Roglich, David G. Hole, Johan Rockstroem, Will R. Turner
Summary: This study maps globally the distribution of irrecoverable carbon reserves and finds that a third is managed by Indigenous peoples and local communities, with nearly a quarter located in protected areas.
NATURE SUSTAINABILITY
(2022)
Article
Ecology
Chris Wudel, Robert Schlicht, Uta Berger
Summary: Plants interact locally, giving rise to characteristic spatial patterns known as point patterns. Statistical analysis of these point patterns can be used to study underlying processes and their changes. This study presents a method that considers both individual locations and two marks simultaneously for the reconstruction of complex spatial forest stands. By modifying the reconstructed pattern to minimize differences in summary statistics, a high statistical similarity can be achieved. The method has been shown to be suitable for reconstructing forest stands and considering all relevant marks.
METHODS IN ECOLOGY AND EVOLUTION
(2023)
Article
Environmental Sciences
Txomin Hermosilla, Alex Bastyr, Nicholas C. Coops, Joanne C. White, Michael A. Wulder
Summary: Knowledge of tree species is essential for forest management and monitoring, and can be achieved through remote sensing and spatial modeling. This study used National Forest Inventory data and machine learning algorithms to map and classify tree species in Canada's forest-dominated ecosystems. The overall accuracy of the classification models was 93.1%, with geographic, climatic, and topographic variables being the most influential. The most common leading tree species nationally were black spruce, trembling aspen, and lodgepole pine, while regionally there was dominance of other tree species.
REMOTE SENSING OF ENVIRONMENT
(2022)
Article
Soil Science
Chen Chen, Xinli Chen, Han Y. H. Chen
Summary: Soil microorganisms play a crucial role in biodiversity and ecosystem processes. Recent meta-analyses reveal that elevated nitrogen (N) has an overall negative impact on soil microbial biomass, although individual studies show divergent effects. The effects of N deposition on soil microbial biomass vary across ecosystems and are influenced by N amount, ecosystem type, and soil pH. Regions with high N deposition rates and acidic soils, such as Eastern U.S., Southern Brazil, Europe, and Eastern Asia, are hotspots for microbial biomass loss.
Article
Energy & Fuels
Nimisha Tripathi, Raj S. Singh, Colin D. Hills
Article
Environmental Sciences
S. K. Chaulya, R. Trivedi, A. Kumar, R. K. Tiwary, R. S. Singh, P. K. Pandey, R. Kumar
ATMOSPHERIC POLLUTION RESEARCH
(2019)
Article
Environmental Sciences
R. M. K. Kumarihamy, N. K. Tripathi
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2019)
Article
Environmental Sciences
Manjunatha Venkatappa, Nophea Sasaki, Rajendra Prasad Shrestha, Nitin Kumar Tripathi, Hwan-Ok Ma
Article
Green & Sustainable Science & Technology
Jannet C. Bencure, Nitin K. Tripathi, Hiroyuki Miyazaki, Sarawut Ninsawat, Sohee Minsun Kim
Article
Chemistry, Multidisciplinary
Supaporn Manajitprasert, Nitin K. Tripathi, Sanit Arunplod
APPLIED SCIENCES-BASEL
(2019)
Article
Chemistry, Multidisciplinary
Sukij Skawsang, Masahiko Nagai, Nitin K. Tripathi, Peeyush Soni
APPLIED SCIENCES-BASEL
(2019)
Article
Forestry
Siriruk Pimmasarn, Nitin Kumar Tripathi, Sarawut Ninsawat, Nophea Sasaki
Article
Environmental Sciences
Pallavi Mohapatra, N. K. Tripathi, Indrajit Pal, Sangam Shrestha
Summary: The study found that J48 performed better than MLP with the 10-fold cross-validation method, with lower error, better kappa value, and higher accuracy, making it the most suitable model. Seasonal variations of temperature and humidity had a stronger association with malaria incidents compared to rainfall, and the performance was better during the monsoon and post-monsoon periods.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH
(2022)
Article
Ecology
Nidhi Jha, Nitin Kumar Tripathi, Nicolas Barbier, Salvatore G. P. Virdis, Wirong Chanthorn, Gaelle Viennois, Warren Y. Brockelman, Anuttara Nathalang, Sissades Tongsima, Nophea Sasaki, Raphael Pelissier, Maxime Rejou-Mechain
Summary: Estimating forest biomass in tropical regions using passive remote sensing signals is challenging due to large uncertainty. In this study, researchers compared three medium- to high-resolution passive satellite sensors for mapping aboveground biomass in a forest landscape in Thailand. Results showed that Worldview-3 and Sentinel-2B outperformed Landsat-8 in extrapolating aboveground biomass, likely due to their red-edge band inclusion and higher spatial and spectral resolution. Sensitivity to large aboveground biomass values was higher for Worldview-3 than for Sentinel-2B and Landsat-8.
REMOTE SENSING IN ECOLOGY AND CONSERVATION
(2021)
Article
Environmental Sciences
Musunuru Aahlaad, Chitrini Mozumder, Nitin Tripathi, Indrajit Pal
Summary: The study demonstrates methods for extracting buildings and roads from high-resolution satellite images in Ko-Rian, Thailand, and proposes a framework for geodatabase modeling and disseminating information through ESRI story maps. By using virtual reality technology to assess vulnerability and ESRI story maps to share information, significant time and cost savings in traditional surveys can be achieved.
JOURNAL OF THE INDIAN SOCIETY OF REMOTE SENSING
(2021)
Article
Multidisciplinary Sciences
A. Jirasirichote, S. Ninsawat, S. Shrestha, N. K. Tripathi
Summary: The study evaluated the performance of the AnnAGNPS model in simulating runoff and sediment loads in Nan Province, Thailand, demonstrating satisfactory results in modeling these aspects. The model has the potential to be used for investigating management practices to reduce soil erosion and control floods and droughts.
Article
Urban Studies
Jannet C. Bencure, Nitin K. Tripathi, Hiroyuki Miyazaki, Sarawut Ninsawat, Sohee Minsun Kim
Summary: This research aims to establish importance scheme of geospatial factors for land valuation activities to aid government agencies in drafting land valuation policies and guidelines. Discussions and survey questionnaires were used to identify and weigh geospatial valuation factors. The findings highlighted major road accessibility and slope direction as the most and least influential factors, respectively.
INTERNATIONAL JOURNAL OF HOUSING MARKETS AND ANALYSIS
(2022)
Article
Physics, Multidisciplinary
Varun Alluri, V. Rajesh Chowdhary, Sushrut Joshi, Nitin Kumar Tripathi, Sanit Arunpold
Summary: This study explores the impact of a severe geomagnetic storm on the ionosphere at low and mid latitudes, as well as its effect on GPS error. Results show negative ionospheric storms at mid-latitude Lucknow and positive ionospheric storms at low-latitude Bangalore and Hyderabad. Additionally, GPS errors were notably higher in Lucknow during the storm period.
INDIAN JOURNAL OF PURE & APPLIED PHYSICS
(2021)
Article
Computer Science, Information Systems
Apiruk Puckdeevongs, N. K. Tripathi, Apichon Witayangkurn, Poompat Saengudomlert
Article
Geosciences, Multidisciplinary
Haihua Wang, Huaiyang Ke, Hongping Wu, Siyuan Ma, Muhammad Mohsin Altaf, Xiaoping Diao
Summary: Carbon storage in mangroves is crucial for mitigating climate change, but our understanding of this aspect is limited. This study investigated the seasonal changes in the carbon metabolic profile of microbial communities in mangrove soils on Hainan Island, China, and found that season plays a critical role in shaping the carbon functional diversity of microbial communities.
Article
Geosciences, Multidisciplinary
Donghui Zhao, Congcong Shen, Zhi-Ming Zhang, Jichen Wang, Li-Mei Zhang, Baodong Chen, Guo-Xin Sun, Yuan Ge
Summary: By studying soil samples from different slope directions along an elevational gradient in a mountain ecosystem, we found that soil bacterial diversity and microbial functions exhibit distinct elevational patterns, which are consistent across slope directions. The bacterial diversity shows a hump-shaped pattern, while microbial functions exhibit a linear increasing trend. Additionally, the beta diversity pattern of soil bacteria is significantly influenced by elevational distance decay relationships. Soil bacterial diversity patterns are determined by transitions in community assembly processes, whereas microbial functions are mainly influenced by bacterial community composition.
Article
Geosciences, Multidisciplinary
Guanfang Sun, Yan Zhu, Wei Mao, Yonghong Li, Jinzhong Yang, Zhaoliang Gao
Summary: This study developed a water and salt balance model to predict long-term water and salt dynamics in seasonally frozen arid agricultural regions. The model was validated in a region in China and showed that increasing autumn irrigation water can decrease soil salinity during the irrigation period, but has limited impact on long-term average soil salinity.
Article
Geosciences, Multidisciplinary
Alfredo Mayoral, Ana Ejarque, Arnau Garcia-Molsosa, Mercourios Georgiadis, Giannis Apostolou, Vincent Gaertner, Constantina Kallintzi, Eurydice Kefalidou, Hector Orengo
Summary: This paper presents an integrated Geoarchaeological approach to studying the landscape change and socio-environmental interaction around ancient Abdera. The study uses a combination of remote sensing, geomorphological mapping, sedimentary coring, and radiocarbon dating to reconstruct the palaeogeographic evolution of the area. The results challenge previous narratives about the rise and decline of Abdera and provide new insights into the role of historical and environmental factors. It also introduces evidence of submerged Neolithic landscapes and the impact of anthropogenic forcing on the sedimentary systems.
Article
Geosciences, Multidisciplinary
Jiale Chen, Michael Dannenmann, Qiang Yu, Yalong Shi, Matthew D. Wallenstein, Xinguo Han, Honghui Wu, Klaus Butterbach-Bahl
Summary: This study investigated the effects of temperature and moisture on soil nitrogen turnover through field experiments and laboratory incubation experiments. The results showed that soil temperature had a greater explanatory power than moisture in gross ammonification and nitrification rates. Climate warming may have a greater impact on gross nitrogen turnover compared to changes in rainfall.
Article
Geosciences, Multidisciplinary
Zhen Han, Xiuchao Yang, Xiaoai Yin, Qian Fang, Longshan Zhao
Summary: This study investigated the effects of exposed root distribution patterns on rainfall-runoff processes. The results showed that the distribution patterns of exposed root had a significant impact on rainfall-runoff processes. A vertical slope arrangement was conducive to rainfall infiltration, a parallel slope arrangement resulted in more surface runoff, and a transverse slope arrangement could reduce water loss.
Article
Geosciences, Multidisciplinary
Bo Zhao
Summary: Seismic earthflows, as special seismic landslides, have not received much attention in previous studies. This study analyzed the characteristics and movement of earthflows induced by recent earthquakes. The results showed that earthflows occur in high-rainfall areas and are sensitive to rainfall. Compared to other seismic landslides, seismic earthflows occur on gentler hills and have higher mobility.
Article
Geosciences, Multidisciplinary
Tingxi Liu, Xueqin Wang, Mingyang Li, Dongfang Li, Limin Duan, Xin Tong, Guanli Wang
Summary: Soil respiration plays a crucial role in the global carbon cycle in arid and semi-arid regions, and is regulated by hydrothermal factors. This study examined the seasonal and diurnal dynamics of soil respiration in two typical ecosystems in northern China, and investigated their responses to precipitation, temperature, and drought. The results showed that soil respiration varied seasonally and diurnally, and its response to environmental factors depended on the ecosystem type and soil moisture status. Incorporating multiple factors into carbon cycle models can improve the simulation and prediction of carbon emissions in arid and semi-arid regions.
Article
Geosciences, Multidisciplinary
Yaochen Xu, Ninghua Chen, Deguo Zhang, Bowen Gao, Xuhua Weng, Hongcheng Qiu
Summary: This study provides systematic investigation on how yardangs exert control over dune morphology, and reveals the intricate wind dynamics and mechanisms involved. Computational fluid dynamics modeling and remote sensing data further support the observations and shed light on the influences of yardangs on wind deposition and dune formation.
Article
Geosciences, Multidisciplinary
Yuri Lopes Zinn, Welton Pereira da Rocha Jr
Summary: This study assessed the evolution of Journal Impact Factors (JIF) and related data in the field of Soil Science over a 26-year period, and compared it with the field of Agronomy. The results showed a significant growth in JIFs and output in Soil Science, with commercial scientific publishers' journals experiencing higher growth rates than non-profit journals. The study also highlighted the importance of considering not only JIF, but also the bibliometric footprint, in determining the relevance and leadership of journals in the discipline.
Article
Geosciences, Multidisciplinary
Shanshan Liao, Xiaodong Nie, Aoqi Zeng, Wenfei Liao, Yi Liu, Zhongwu Li
Summary: Lake drawdown areas, where sediment is exposed due to water level fluctuations, have a significant impact on the carbon cycle. This study examined microbial necromass carbon (MNC) content and its contribution to soil organic carbon (SOC) in different habitats within the drawdown area of Dongting Lake. The results showed that MNC content varied among habitats and was primarily influenced by carbon and nitrogen availability, plant biomass, clay content, and soil moisture. External factors, such as plant and soil properties, played a more crucial role in the long-term accumulation of MNC. These findings enhance our understanding of MNC stability in drawdown areas.
Article
Geosciences, Multidisciplinary
Vanessa Alves Mantovani, Marcela de Castro Nunes Santos Terra, Andre Ferreira Rodrigues, Carlos Alberto Silva, Li Guo, Jose Marcio de Mello, Carlos Rogerio de Mello
Summary: There is a lack of research on the potential of tropical soils in the Brazilian Atlantic Forest biome to store carbon. This study aimed to determine the soil carbon stocks at different depths, describe their temporal variability, and identify the main drivers that influence their variations. The results showed significant spatial and seasonal variability in soil carbon stocks, with a high accumulation in December and a low accumulation in August. The study also found that litterfall, throughfall, tree sizes, and soil moisture were important factors affecting the distribution of soil carbon.
Article
Geosciences, Multidisciplinary
Anais Zimmer, Timothy Beach, Sheryl Luzzadder-Beach, Antoine Rabatel, Rolando Cruz Encarnacion, Joshua Lopez Robles, Edison Jara Tarazona, Arnaud J. A. M. Temme
Summary: Climate warming has accelerated glacial retreat and soil formation in mountainous regions. The accumulation of soil organic carbon and nitrogen is influenced by environmental factors, with maximum temperature and initial site conditions playing important roles in soil development.
Article
Geosciences, Multidisciplinary
Ren-Min Yang, Lai-Ming Huang, Feng Liu
Summary: This study investigated the soil organic carbon (SOC) stocks in seasonally frozen ground (SFG) in the Tibet Autonomous Region, China, in 2020 and 2021, and explored the effects of various factors on SOC using partial least squares structural equation modeling (PLS-SEM). The results showed that C inputs exerted the greatest control on SOC, and the influence of these factors decreased with increasing soil depth. Additionally, timely spatial SOC estimates were found to be important for assessing carbon stocks in the context of environmental changes.
Article
Geosciences, Multidisciplinary
Shue Wei, Kuandi Zhang, Chenglong Liu, Youdong Cen, Junqiang Xia
Summary: This study analyzed the effects of different vegetation components on erosion through simulated rainfall experiments and found that litter had the best effect in reducing erosion, followed by roots. The study also revealed that the reduction in runoff and sediment by the treatments decreased with increasing rainfall intensity.
