Research gap analyses

Showing 241–300 of 1,987 gap analyses · page 5 of 34

• Future trends in Nile hydrology and climate: While studies confirm that water demand in the Nile Basin is rising, there remains uncertainty and variability in the literature regarding how climate ch

  The study identifies a gap in the understanding of the impacts of climate change and human activities on the lake's water resources. The study aims to fill this gap by evaluating the impacts of climate change and human activities using the

  Earth Science · 7 papers · avg 2024.9 · moderate evidence
• The field has only rarely been explored within a data-driven, satellite-based framework at a fine spatial resolution over extended multi-decadal periods. Prior work has not provided a comprehensive ch

  The field has only rarely been explored within a data-driven, satellite-based framework at a fine spatial resolution over extended multi-decadal periods. Prior work has not provided a comprehensive characterization of global precipitation r

  Earth Science · 7 papers · avg 2025.4 · moderate evidence
• Further study on the effects of drought and inundation on GHG exchange, - investigation of the role of microbial communities in GHG exchange, - examination of the impact of land use changes on GHG bud

  further study on the effects of drought and inundation on GHG exchange, - investigation of the role of microbial communities in GHG exchange, - examination of the impact of land use changes on GHG budgets, - research on the potential for re

  Earth Science · 7 papers · avg 2025.4 · moderate evidence
• The study identifies a gap in our understanding of the psychological, ideological, and cultural tensions experienced by intellectuals in Turkestan during the early Soviet period. The research highligh

  The study identifies a gap in our understanding of the psychological, ideological, and cultural tensions experienced by intellectuals in Turkestan during the early Soviet period. The research highlights the need for further study of the Jad

  General · 7 papers · avg 2021.1 · moderate evidence
• Significant research gaps persist in elucidating the fundamental mechanisms of microbial adaptation to cadmium stress. There is a need to optimize the implementation of microorganisms in practical soi

  Significant research gaps persist in elucidating the fundamental mechanisms of microbial adaptation to cadmium stress. There is a need to optimize the implementation of microorganisms in practical soil restoration efforts.

  Agriculture · 7 papers · avg 2025.1 · moderate evidence
• Abstract Solid polymer electrolytes based on plastic crystals are promising for solid‐state sodium metal (Na0) batteries, yet their practicality has been hindered by the notorious Na0‐electrolyte inte

  Abstract Solid polymer electrolytes based on plastic crystals are promising for solid‐state sodium metal (Na0) batteries, yet their practicality has been hindered by the notorious Na0‐electrolyte interface instability issue, the underlying

  Chemistry · 7 papers · avg 2025.1 · moderate evidence
• The paper identifies the need for novel solvents that are highly efficient for extraction, affordable, and environmentally benign. The authors highlight the limitations of conventional solvents used f

  The paper identifies the need for novel solvents that are highly efficient for extraction, affordable, and environmentally benign. The authors highlight the limitations of conventional solvents used for PCs extraction, including their negat

  Chemistry · 7 papers · avg 2024.4 · moderate evidence
• The limitations of numerical simulations and single-site machine-learning approaches in air quality forecasting. The need for a multimodal machine learning model that integrates meteorological, emissi

  The limitations of numerical simulations and single-site machine-learning approaches in air quality forecasting. The need for a multimodal machine learning model that integrates meteorological, emission, and observational data. The lack of

  Computer Science · 7 papers · avg 2026 · moderate evidence
• Climate change threatens sustainable agriculture as the frequency of extreme climate events increases. The increasing uncertainty of agricultural activities due to climate change. The need to enhance

  Climate change threatens sustainable agriculture as the frequency of extreme climate events increases. The increasing uncertainty of agricultural activities due to climate change. The need to enhance agricultural resilience to cope with cli

  Earth Science · 7 papers · avg 2025.4 · moderate evidence
• Rapid urbanization in tropical cities intensifies heat exposure while constraining opportunities for carbon storage, yet little is known about how the climate-regulating functions of small urban parks

  Rapid urbanization in tropical cities intensifies heat exposure while constraining opportunities for carbon storage, yet little is known about how the climate-regulating functions of small urban parks vary with park structure or whether the

  Earth Science · 7 papers · avg 2025.7 · moderate evidence
• With the limited number of studies directly addressing this issue, underscores the significance of the research. A

  with the limited number of studies directly addressing this issue, underscores the significance of the research. A

  General · 7 papers · avg 2026 · moderate evidence
• The need for reliable biomarkers to measure biological aging. The lack of understanding of the mechanisms connecting intestinal dysbiosis, dysfunction of the blood-brain barrier, neuroinflammation, an

  The need for reliable biomarkers to measure biological aging. The lack of understanding of the mechanisms connecting intestinal dysbiosis, dysfunction of the blood-brain barrier, neuroinflammation, and age-related cognitive decline. The nee

  Psychology · 7 papers · avg 2025.5 · moderate evidence
• A mixed-methods approach combining quantitative assessments of AI literacy with qualitative explorations of teachers' experiences and sense-making processes is recommended but currently underutilized.

  A mixed-methods approach combining quantitative assessments of AI literacy with qualitative explorations of teachers' experiences and sense-making processes is recommended but currently underutilized.

  Education · 6 papers · avg 2026 · weak evidence
• The lack of a better understanding of nuclear effects on the measurement of neutrino properties. The need for more accurate nuclear models in neutrino event generators. The limited ability of current

  Further study of the model's phenomenology at future colliders. Investigation of the model's implications for neutrino masses and mixing. Analysis of the model's compatibility with other areas of particle physics, such as dark matter and th

  Physics · 6 papers · avg 2026 · weak evidence
• Investigation of the scalability of the process beyond the lab scale. Investigation of the long-term stability of the catalyst. Exploration of the application of the Corning Advanced-Flow Reactor to o

  Investigation of the scalability of the process beyond the lab scale. Investigation of the long-term stability of the catalyst. Exploration of the application of the Corning Advanced-Flow Reactor to other reaction types.

  Chemistry · 6 papers · avg 2025.5 · weak evidence
• Climate change and global warming are increasingly impacting urban areas worldwide. Urban populations are not equally affected by these challenges. There is a need for fine-scale, longitudinal, and co

  Climate change and global warming are increasingly impacting urban areas worldwide. Urban populations are not equally affected by these challenges. There is a need for fine-scale, longitudinal, and community research to inform urban climate

  Earth Science · 6 papers · avg 2025.8 · weak evidence
• While the gamification in education is still a growing phenomenon, the review reveals that (i) insufficient evidence exists to support the long-term benefits of gamification in educational contexts; (

  While the gamification in education is still a growing phenomenon, the review reveals that (i) insufficient evidence exists to support the long-term benefits of gamification in educational contexts; (ii) the practice of gamifying learning h

  Education · 6 papers · avg 2024.7 · weak evidence
• While scholars have increasingly focused on the use of GenAI in higher education since its inception, little is known about how key higher education stakeholders, particularly students, perceive its i

  While scholars have increasingly focused on the use of GenAI in higher education since its inception, little is known about how key higher education stakeholders, particularly students, perceive its impact on teaching and learning within th

  Education · 6 papers · avg 2025.7 · weak evidence
• There is a lack of research on the relationship between father involvement and psychological well-being in young adults. Previous research has focused on the relationship between father involvement an

  There is a lack of research on the relationship between father involvement and psychological well-being in young adults. Previous research has focused on the relationship between father involvement and psychological well-being in children a

  Psychology · 6 papers · avg 2021.9 · weak evidence
• The study identifies the need to examine the impact of human activities on groundwater quality. The study highlights the importance of assessing groundwater quality for sustainable water resource mana

  The study identifies the need to examine the impact of human activities on groundwater quality. The study highlights the importance of assessing groundwater quality for sustainable water resource management.

  Agriculture · 6 papers · avg 2025.5 · weak evidence
• The need to find strategies to enhance crop productivity in degraded soils. The lack of understanding of the potential of halotolerant plant growth-promoting rhizobacteria in improving crop performanc

  The need to find strategies to enhance crop productivity in degraded soils. The lack of understanding of the potential of halotolerant plant growth-promoting rhizobacteria in improving crop performance.

  Agriculture · 6 papers · avg 2026 · weak evidence
• This would reveal with greater clarity their causal dependency on, and compatibility with, changes in the economic structure, particularly in relation to the factors acting on male employment, and wou

  This would reveal with greater clarity their causal dependency on, and compatibility with, changes in the economic structure, particularly in relation to the factors acting on male employment, and would attempt a fuller understanding of the

  Economics · 6 papers · avg 1991.7 · weak evidence
• The study identifies a gap in understanding the relationship between entrepreneurial inclinations and digital transformation. The study notes that prior research has focused on the technical and techn

  The paper identifies a research gap in the existing literature on digital transformation, highlighting the need for a more comprehensive approach. The study argues that prior work has focused primarily on the technological aspects of digita

  General · 6 papers · avg 2026 · weak evidence
• Future studies should focus on adequately powered randomized controlled trials, standardized outcome measures, longer follow-up periods, algorithmic transparency, and patient safety and their integrat

  Future studies should focus on adequately powered randomized controlled trials, standardized outcome measures, longer follow-up periods, algorithmic transparency, and patient safety and their integration into multidisciplinary nutrition and

  Medicine · 6 papers · avg 2026 · weak evidence
• Exploring the scope of the ion–π catalysis strategy for other transformations. Investigating the applicability of chiral cages to different reaction types. Further elucidating the mechanisms of cation

  Exploring the scope of the ion–π catalysis strategy for other transformations. Investigating the applicability of chiral cages to different reaction types. Further elucidating the mechanisms of cation–π and anion–π interactions in catalysis

  Chemistry · 6 papers · avg 2025.8 · weak evidence
• Business cycle models are developed and tested for advanced economies [2, 7, 11] and separately for emerging markets [8, 10], but no study in this set examines whether stock market–business cycle rela

  Business cycle models are developed and tested for advanced economies [2, 7, 11] and separately for emerging markets [8, 10], but no study in this set examines whether stock market–business cycle relationships differ systematically between

  Economics · 6 papers · avg 2009.5 · weak evidence
• The presence of harmful substances in sewage sludge. The potential secondary environmental hazards of conventional treatment methods. The need for more efficient and sustainable co-pyrolysis technolog

  The presence of harmful substances in sewage sludge. The potential secondary environmental hazards of conventional treatment methods. The need for more efficient and sustainable co-pyrolysis technologies.

  Agriculture · 6 papers · avg 2024.4 · weak evidence
• Abstract Pioneer vegetation initiates the recovery of degraded ecosystem; However, its influence on soil microbial communities in riparian sand mining sites remains poorly understood.

  Abstract Pioneer vegetation initiates the recovery of degraded ecosystem; However, its influence on soil microbial communities in riparian sand mining sites remains poorly understood.

  Agriculture · 6 papers · avg 2025.4 · weak evidence
• The need for sustainable and environmentally friendly soil stabilization methods. The lack of effective moisture-regulating agents in soil stabilization. The need to reduce cement consumption and lowe

  The study identifies a gap in the understanding of the behavior of expansive soils and the effectiveness of chemical stabilization techniques. The study aims to fill this gap by presenting a chemical stabilization approach using low percent

  Agriculture · 6 papers · avg 2025.7 · weak evidence
• Soil is the primary source of ecosystem services such as the production of food and regulating the climate, however the methodological alternatives for valuing soil ecosystem services remain poorly st

  Although agricultural management and landscape context are recognized as key drivers shaping the structure and composition of biological communities, how these filters interact to shape soil fauna remains poorly understood.

  Agriculture · 6 papers · avg 2025 · weak evidence
• Particularly, inducing a surface structure reconstruction following the lattice oxygen oxidation mechanism (LOM), which can reduce the overpotential in oxygen evolution reaction (OER) catalysts, has n

  Particularly, inducing a surface structure reconstruction following the lattice oxygen oxidation mechanism (LOM), which can reduce the overpotential in oxygen evolution reaction (OER) catalysts, has not been extensively investigated.

  Chemistry · 6 papers · avg 2025 · weak evidence
• There is a need to quantify the relative contributions of climate change and human activities to runoff and sediment variations. There is a lack of studies that use multiple methods to analyze the dri

  Climate change is expected to impact rainfall patterns, leading to more extreme events. Accurate predictions of rainfall patterns are needed. The study's results must be used to inform water resource management strategies and climate change

  Earth Science · 6 papers · avg 2025.9 · weak evidence
• Longstanding issues in land remote sensing, such as cloud contamination and atmospheric effects, remain despite improvements in methodologies and data resolution. The need for careful intercalibration

  Longstanding issues in land remote sensing, such as cloud contamination and atmospheric effects, remain despite improvements in methodologies and data resolution. The need for careful intercalibration among sensors when using multiple land-

  Earth Science · 6 papers · avg 2025.3 · weak evidence
• There is a lack of understanding of the contamination level of heavy metals in stream sediments of the Shwan sub-basin. There is a need to assess the ecological risk of heavy metals in stream sediment

  There is a lack of understanding of the contamination level of heavy metals in stream sediments of the Shwan sub-basin. There is a need to assess the ecological risk of heavy metals in stream sediments using GIS and geo-statistical analysis

  Earth Science · 6 papers · avg 2025.3 · weak evidence
• The study identifies a gap in the understanding of climate adaptation strategies among smallholder farmers in North Wollo zone. The study highlights the need for strengthening institutional support an

  One of the challenges is the lack of accurate and reliable climate information in dryland regions. Another challenge is the limited access to climate information services for smallholder farmers. The study also identifies the challenge of e

  Earth Science · 6 papers · avg 2025.5 · weak evidence
• The gap is the lack of understanding of anomalous diffusion effects on the Prats' problem. The gap is the lack of a model that comprehends superdiffusion or subdiffusion in horizontal porous channel f

  The gap is the lack of a coherent theory of the chronogeometric evolution of universes. The gap is also the lack of a complete mathematical formulation of the theory.

  Mathematics · 6 papers · avg 1999.5 · weak evidence
• The study identifies a methodological tension in measuring solastalgia in Indigenous and non-Indigenous populations. There is a need to consider cultural and territorial contexts in understanding sola

  Limited access to culturally appropriate interventions for Indigenous adolescents. The need for culturally sensitive and effective interventions to address mental health challenges among Indigenous adolescents. The challenge of minimizing c

  Psychology · 6 papers · avg 2025.3 · weak evidence
• However, what impact the abiotic environment has on connections between microbes and host genetics, and whether those connections in turn impact crop performance in realistic agricultural scenarios re

  However, what impact the abiotic environment has on connections between microbes and host genetics, and whether those connections in turn impact crop performance in realistic agricultural scenarios remains unclear.

  Agriculture · 6 papers · avg 2025.8 · weak evidence
• ABSTRACT The gut microbiome plays a pivotal role in modulating nutrient metabolism and lactation efficiency in ruminants, yet its functional stratification into enterotypes and implications for dairy

  ABSTRACT The gut microbiome plays a pivotal role in modulating nutrient metabolism and lactation efficiency in ruminants, yet its functional stratification into enterotypes and implications for dairy goats remain unexplored.

  Agriculture · 6 papers · avg 2025.2 · weak evidence
• Coastal tidal flats play a critical role in the global carbon cycle, yet the spatial patterns and controlling mechanisms of soil organic carbon (SOC) burial within estuarine wetlands remain poorly und

  Coastal tidal flats play a critical role in the global carbon cycle, yet the spatial patterns and controlling mechanisms of soil organic carbon (SOC) burial within estuarine wetlands remain poorly understood.

  Agriculture · 6 papers · avg 2026 · weak evidence
• There is a need to understand the impact of climate variability on crop yields in Niger State, Nigeria. Prior studies have not examined the relationship between climate variability and crop yields in

  There is a need to understand the impact of climate variability on crop yields in Niger State, Nigeria. Prior studies have not examined the relationship between climate variability and crop yields in the study area. The study aims to fill t

  Agriculture · 6 papers · avg 2025.8 · weak evidence
• Abstract Wildfire is the largest disturbance affecting northern peatlands; however, little is known about how burn severity (organic soil depth of burn) alters post‐fire hydrological conditions that c

  Regional wildland fire effects are not well understood in the context of the broader set of management activities, such as partial harvesting and prescribed burning, that influence soil microbial communities and the ecosystem processes they

  Agriculture · 6 papers · avg 2024 · weak evidence
• Assessing the impact of climate change on groundwater levels, - evaluating the effects of different irrigation practices on groundwater recharge, - developing more advanced models to simulate complex

  assessing the impact of climate change on groundwater levels, - evaluating the effects of different irrigation practices on groundwater recharge, - developing more advanced models to simulate complex urban-agricultural systems

  Agriculture · 6 papers · avg 2025.9 · weak evidence
• Although combining different cultivation techniques can alleviate the harm of salt stress to crops to some extent, the specific metabolic mechanisms by which crops adapt to salt stress remain incomple

  Although combining different cultivation techniques can alleviate the harm of salt stress to crops to some extent, the specific metabolic mechanisms by which crops adapt to salt stress remain incompletely understood.

  Agriculture · 6 papers · avg 2025.6 · weak evidence
• Soil salinization-alkalization is a global environmental issue. The study faces the challenge of quantifying the mechanisms driving SOC stabilization. The study needs to address the complexity of SOC

  Soil salinization-alkalization is a global environmental issue. The study faces the challenge of quantifying the mechanisms driving SOC stabilization. The study needs to address the complexity of SOC dynamics in saline-alkaline paddy soils.

  Agriculture · 6 papers · avg 2025.4 · weak evidence
• Although vegetation restoration is widely applied to reverse desertification in alpine sandy lands, its duration-dependent coordination of soil phosphorus (P) pools and biological P cycling remains un

  Although vegetation restoration is widely applied to reverse desertification in alpine sandy lands, its duration-dependent coordination of soil phosphorus (P) pools and biological P cycling remains unclear.

  Agriculture · 6 papers · avg 2025.3 · weak evidence
• Soil microbial communities exhibit strong depth-related stratification, yet the effects of climate change variables, such as altered precipitation and nighttime warming, on these vertical patterns hav

  Soil microbial communities exhibit strong depth-related stratification, yet the effects of climate change variables, such as altered precipitation and nighttime warming, on these vertical patterns have been inadequately studied.

  Agriculture · 6 papers · avg 2025.3 · weak evidence
• Water scarcity is a central challenge faced by farmers. The lack of institutional support for soil conservation is a major challenge. The decline of traditional practices and the growing dependence on

  Water scarcity is a central challenge faced by farmers. The lack of institutional support for soil conservation is a major challenge. The decline of traditional practices and the growing dependence on ecologically harmful inputs are signifi

  Agriculture · 6 papers · avg 2025.3 · weak evidence
• Relatively few studies have quantified N2O losses through agricultural tile drainage systems and none have compared the effect of different sources of applied nitrogen or their timing of application.

  Relatively few studies have quantified N2O losses through agricultural tile drainage systems and none have compared the effect of different sources of applied nitrogen or their timing of application.

  Agriculture · 6 papers · avg 2024.3 · weak evidence
• IMPORTANCE: The impact of fire on the soil microbiome, particularly on understudied soil viral communities, warrants investigation, given known microbial contributions to biogeochemical processes and

  The deposition of nutrient elements such as C, N, and P carried by forest fire smoke is a crucial process in the material cycle of forest ecosystems, yet the mechanisms underlying its impacts of smoke deposition on the soil system remain un

  Agriculture · 6 papers · avg 2025.4 · weak evidence
• Short the most effective m e t h o d which schools can use to improve the quality of their care is to devote considerably learning.' greater (pp275). This is n o t to argue that the sole purpose of pa

  short the most effective m e t h o d which schools can use to improve the quality of their care is to devote considerably learning.' greater (pp275). This is n o t to argue that the sole purpose of pastoral care is to sup Indeed, writers po

  Biology · 6 papers · avg 1984.5 · weak evidence
• Microplastic pollution is a significant concern in tropical rivers. The presence of high-hazard polymers elevates polymer-based risks and increases PERI values. Effective management of microplastic po

  Microplastic pollution is a significant concern in tropical rivers. The presence of high-hazard polymers elevates polymer-based risks and increases PERI values. Effective management of microplastic pollution in tropical rivers is needed.

  Chemistry · 6 papers · avg 2025.5 · weak evidence
• The existing methods for classifying earthquake-related data have limitations in terms of accuracy and effectiveness. The study identifies the need for a multimodal approach that combines text and ima

  The existing methods for classifying earthquake-related data have limitations in terms of accuracy and effectiveness. The study identifies the need for a multimodal approach that combines text and image features to enhance classification pe

  Computer Science · 6 papers · avg 2026 · weak evidence
• The lack of a robust framework that addresses temporal drift in credit card fraud detection. The need for a framework that combines feature engineering, oversampling, and ensemble methods to improve d

  The lack of a robust framework that addresses temporal drift in credit card fraud detection. The need for a framework that combines feature engineering, oversampling, and ensemble methods to improve detection performance. The requirement fo

  Computer Science · 6 papers · avg 2025.8 · weak evidence
• Limited research has provided quantitative, model-based assessments of recent land-use dynamics and their hydrological consequences in the Bouskoura catchment. The absence of observed streamflow data

  Limited research has provided quantitative, model-based assessments of recent land-use dynamics and their hydrological consequences in the Bouskoura catchment. The absence of observed streamflow data prevents calibration and validation of h

  Earth Science · 6 papers · avg 2024.8 · weak evidence
• Further study is needed to understand the mechanisms driving changes in CO2 seasonality. Additional research is required to address the uncertainties in the air-sea CO2 flux in the South-East Pacific.

  The paper identifies a gap in the understanding of the carbon cycle, particularly in the Southern Ocean. It highlights the need for in situ studies of coccolithophores, which are sparse due to harsh weather conditions. The study aims to fil

  Earth Science · 6 papers · avg 2025.6 · weak evidence
• Abstract Glacial lakes in high-altitude regions influence both water systems and greenhouse gas emissions, yet the effects of different hydrological recharge mechanisms on methane release and microbia

  Abstract Glacial lakes in high-altitude regions influence both water systems and greenhouse gas emissions, yet the effects of different hydrological recharge mechanisms on methane release and microbial ecosystems remain poorly understood.

  Earth Science · 6 papers · avg 2024.6 · weak evidence
• Introduction Climate-related disasters increasingly threaten mental well-being, yet mental health remains insufficiently integrated into disaster risk reduction and climate change response strategies

  Introduction Climate-related disasters increasingly threaten mental well-being, yet mental health remains insufficiently integrated into disaster risk reduction and climate change response strategies in many low- and middle-income countries

  Earth Science · 6 papers · avg 2026 · weak evidence
• Climate conditions affect the health of adolescents in northern and arctic regions. Limited physical activity and access to medical organizations affect adolescent health. Interagency cooperation is n

  Climate conditions affect the health of adolescents in northern and arctic regions. Limited physical activity and access to medical organizations affect adolescent health. Interagency cooperation is necessary to improve adolescent health.

  Earth Science · 6 papers · avg 2025.8 · weak evidence
• Numerous issues concerning climate change and the ecosystems of the Qinghai-Tibet Plateau remain to be examined in a holistic and systematic manner, despite the plethora of existing documentation and

  Numerous issues concerning climate change and the ecosystems of the Qinghai-Tibet Plateau remain to be examined in a holistic and systematic manner, despite the plethora of existing documentation and research.

  Earth Science · 6 papers · avg 2025 · weak evidence