Research gap analyses

Showing 601–660 of 1,987 gap analyses · page 11 of 34

• The absence of standardized criteria sets and reporting protocols for evaluating sustainability performance. Limited cross-study comparability due to customized indicators, normalization approaches, a

  The absence of standardized criteria sets and reporting protocols for evaluating sustainability performance. Limited cross-study comparability due to customized indicators, normalization approaches, and scoring scales. A need for more resea

  Economics · 4 papers · avg 2025.2 · weak evidence
• The lack of understanding of the impact of labor market competition on immigrant wage assimilation. The need for a theoretical framework that analyzes the interaction between individual skill accumula

  The lack of understanding of the impact of labor market competition on immigrant wage assimilation. The need for a theoretical framework that analyzes the interaction between individual skill accumulation and dynamic labor market equilibriu

  Economics · 4 papers · avg 1985.6 · weak evidence
• Developing unified frameworks that integrate security, automation, and energy management. Designing lightweight and energy-efficient machine learning models for edge devices. Enhancing interoperabilit

  One possible enhancement is the integration of advanced machine learning and artificial intelligence algorithms to provide more accurate predictions and automated decision-making. Another future enhancement is the implementation of edge com

  Engineering · 4 papers · avg 2026 · weak evidence
• Future studies should examine the relationship between religion and aging in different populations. Future studies should consider the role of religion in the personal adjustment of older persons. Fut

  There is a lack of longitudinal data on the relationships between religiosity and aging. Prior research has relied almost exclusively on church attendance as an indicator of religiosity. There is a need to consider the relationships between

  General · 4 papers · avg 1993 · weak evidence
• The gap is that a finite exterior description and an infinite interior description may coexist. The gap is that the geometry of a sphere-like object with a divergent volume is not well understood.

  The gap is the lack of understanding of the algebraicity of Hodge classes on generalized Prym varieties. The gap is the need for a new construction of a Cartesian diagram.

  Mathematics · 4 papers · avg 2026 · weak evidence
• However, the relationship between observed dimmings and true MFR footpoint locations remains uncertain due to limitations and uncertainties in both detection methods as well as coronal magnetic field

  However, the relationship between observed dimmings and true MFR footpoint locations remains uncertain due to limitations and uncertainties in both detection methods as well as coronal magnetic field modelling caused by the complexity of er

  Physics · 4 papers · avg 2026 · weak evidence
• There is a gap in understanding the long-term variations in total solar irradiance. The current irradiance reconstructions are uncertain and may not accurately represent the secular trends in TSI. The

  There is a gap in understanding the long-term variations in total solar irradiance. The current irradiance reconstructions are uncertain and may not accurately represent the secular trends in TSI. There is a need for more accurate and robus

  Physics · 4 papers · avg 2026 · weak evidence
• There are no detailed reports available on the Bi2.5Se2.5 composition in the thermoelectric literature. Defect-engineered bulk chalcogenide thermoelectric systems featuring simultaneous cationic and a

  There are no detailed reports available on the Bi2.5Se2.5 composition in the thermoelectric literature. Defect-engineered bulk chalcogenide thermoelectric systems featuring simultaneous cationic and anionic substitution have received very l

  Physics · 4 papers · avg 2026 · weak evidence
• The development of efficient blue perovskite LEDs has remained a challenge, with EL efficiencies below 18%. The lack of effective strategies to control reduced-dimensional phases and non-radiative rec

  The development of efficient blue perovskite LEDs has remained a challenge, with EL efficiencies below 18%. The lack of effective strategies to control reduced-dimensional phases and non-radiative recombination channels has limited the deve

  Physics · 4 papers · avg 2023.5 · weak evidence
• Identifying the fundamental modal components of fluctuations for the same plasma parcel at different locations has not yet been investigated in detail. The evolution of turbulence properties in the ex

  The formation mechanism of magnetic switchbacks in the solar wind is not well understood. Prior studies have not provided direct evidence of the solar source of switchbacks. There is a need to determine the physical processes that heat the

  Physics · 4 papers · avg 2025.8 · weak evidence
• The need for validation of genetic risk scores for depression in a population-based cohort. The lack of understanding of the associations between genetic risk scores and depression-related phenotypes.

  The need for validation of genetic risk scores for depression in a population-based cohort. The lack of understanding of the associations between genetic risk scores and depression-related phenotypes. The need for investigation of the assoc

  Psychology · 4 papers · avg 2024.8 · weak evidence
• The study identifies a gap in the literature regarding the mediating role of psychological resilience in the relationship between sociocultural adaptation and spiritual well-being among international

  The study identifies a gap in the literature regarding the mediating role of psychological resilience in the relationship between sociocultural adaptation and spiritual well-being among international students. The study aims to address this

  Psychology · 4 papers · avg 2025.8 · weak evidence
• Investigate the effects of negative emotion and deliciousness congruency on food choices in other populations, - examine the neural mechanisms underlying the cognitive processes involved in food choic

  investigate the effects of negative emotion and deliciousness congruency on food choices in other populations, - examine the neural mechanisms underlying the cognitive processes involved in food choices, - explore the potential applications

  Psychology · 4 papers · avg 2025.6 · weak evidence
• BACKGROUND: An association between depression and folate status has been demonstrated in clinical studies, whereas data are sparse on the relationship between depression and other components of 1-carb

  CONCLUSION: There is currently insufficient evidence to argue strongly for vitamin D supplementation in patients with depression, but such a strategy is worthy of consideration in depressed patients whose lifestyle and geographical residenc

  Psychology · 4 papers · avg 2022.2 · weak evidence
• Cyberbullying is a significant concern among adolescents, with associated risks such as sleep disorders and mental health problems. Adolescents may experience difficulties in coping with cyberbullying

  Cyberbullying is a significant concern among adolescents, with associated risks such as sleep disorders and mental health problems. Adolescents may experience difficulties in coping with cyberbullying victimization. There is a need for effe

  Psychology · 4 papers · avg 2024.5 · weak evidence
• The study identifies several challenges, including a pronounced digital divide, limited localization of technologies, insufficient data-governance frameworks, and rising geopolitical tensions. The stu

  The study identifies several challenges, including a pronounced digital divide, limited localization of technologies, insufficient data-governance frameworks, and rising geopolitical tensions. The study also notes the challenge of financing

  Social Science · 4 papers · avg 2021.8 · weak evidence
• The lack of effective governance mechanisms for AI-driven misinformation. The need for coordinated and adaptive policy mixes that align regulatory instruments with enterprise behavior and user uptake.

  The lack of effective governance mechanisms for AI-driven misinformation. The need for coordinated and adaptive policy mixes that align regulatory instruments with enterprise behavior and user uptake. The limited understanding of the strate

  Social Science · 4 papers · avg 2025.8 · weak evidence
• While numerous studies have explored effective strategies for mitigating these obstacles, the impact of different cropping systems on potato yield and rhizosphere microbial communities remain insuffic

  While numerous studies have explored effective strategies for mitigating these obstacles, the impact of different cropping systems on potato yield and rhizosphere microbial communities remain insufficiently understood.

  Agriculture · 4 papers · avg 2025.5 · weak evidence
• The paper identifies a research gap in the understanding of the challenges facing the agricultural sector in India. It highlights the need for a multidisciplinary approach to sustainable agricultural

  The paper identifies a research gap in the understanding of the challenges facing the agricultural sector in India. It highlights the need for a multidisciplinary approach to sustainable agricultural development.

  Agriculture · 4 papers · avg 2026 · weak evidence
• Climate variability increasingly threatens agriculture and smallholder farmers’ livelihoods in Ethiopia, but little is known about its localized impacts on crop production across diverse agroecologica

  Climate variability increasingly threatens agriculture and smallholder farmers’ livelihoods in Ethiopia, but little is known about its localized impacts on crop production across diverse agroecological zones.

  Agriculture · 4 papers · avg 2025.8 · weak evidence
• The study identifies a gap in the understanding of the effects of potassium fertilization on soybean productivity. The research highlights the need for further studies on the optimal potassium dose fo

  The study identifies a gap in the understanding of the effects of potassium fertilization on soybean productivity. The research highlights the need for further studies on the optimal potassium dose for improving soybean yield performance.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• While research shows that the application of nanoparticles has the potential to improve plant growth and yield, their effect on the diversity and function of plant-associated microorganisms remains un

  While research shows that the application of nanoparticles has the potential to improve plant growth and yield, their effect on the diversity and function of plant-associated microorganisms remains under-explored.

  Agriculture · 4 papers · avg 2024.6 · weak evidence
• The lack of effective and sustainable nutrient management strategies for organic rice production. The need to identify optimal application times and species of green manure for maximizing grain yield.

  The lack of effective and sustainable nutrient management strategies for organic rice production. The need to identify optimal application times and species of green manure for maximizing grain yield.

  Agriculture · 4 papers · avg 2025.4 · weak evidence
• There is a lack of understanding of the germination ecology of burning nettle and common groundsel. The study aims to address this gap by evaluating the effects of environmental factors on seed germin

  There is a lack of understanding of the germination ecology of burning nettle and common groundsel. The study aims to address this gap by evaluating the effects of environmental factors on seed germination.

  Agriculture · 4 papers · avg 2025.5 · weak evidence
• However, the legacy effects of introducing legumes into a wheat–maize rotation in the North China Plain on soil microecology, especially the soil metabolome, in the succeeding wheat season have not be

  However, the legacy effects of introducing legumes into a wheat–maize rotation in the North China Plain on soil microecology, especially the soil metabolome, in the succeeding wheat season have not been elucidated.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• Background Magnesium (Mg), an essential secondary macronutrient for plant growth and development, and its dose–response relationships with crop yield and quality remain to be systematically characteri

  Background Magnesium (Mg), an essential secondary macronutrient for plant growth and development, and its dose–response relationships with crop yield and quality remain to be systematically characterized.

  Agriculture · 4 papers · avg 2025.5 · weak evidence
• There is a need to develop effective strategies to enhance maize tolerance to drought stress. The potential of mycorrhizal fungi to mitigate the adverse effects of drought stress on maize growth and y

  There is a need to develop effective strategies to enhance maize tolerance to drought stress. The potential of mycorrhizal fungi to mitigate the adverse effects of drought stress on maize growth and yield is not fully understood.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• The need for calibration of TRE models. The limited accuracy of non-invasive techniques for evaluating soil salinity. The lack of integration of conventional and non-invasive methods for characterizin

  The need for calibration of TRE models. The limited accuracy of non-invasive techniques for evaluating soil salinity. The lack of integration of conventional and non-invasive methods for characterizing salinity.

  Agriculture · 4 papers · avg 2025 · weak evidence
• Plant microbiomes shape crop performance, but the mechanisms by which host-derived metabolites influence the recruitment and organisation of beneficial microbes-and how these affect crop yield-remain

  Plant microbiomes shape crop performance, but the mechanisms by which host-derived metabolites influence the recruitment and organisation of beneficial microbes-and how these affect crop yield-remain poorly understood.

  Agriculture · 4 papers · avg 2025 · weak evidence
• The long-term effects of widespread greening on regional water cycling and deep water resources remain debated. The associated increase in ecosystem carbon gain and its impact on water consumption are

  The long-term effects of widespread greening on regional water cycling and deep water resources remain debated. The associated increase in ecosystem carbon gain and its impact on water consumption are unclear.

  Agriculture · 4 papers · avg 2024.3 · weak evidence
• However, the relationships between rhizosphere microbiomes and soil ecological stoichiometric characteristics, including organic carbon (SC), total nitrogen (SN), total phosphorus (SP), and their rati

  However, the relationships between rhizosphere microbiomes and soil ecological stoichiometric characteristics, including organic carbon (SC), total nitrogen (SN), total phosphorus (SP), and their ratios, remain poorly understood.

  Agriculture · 4 papers · avg 2026 · weak evidence
• Based on a long-term positioned field experiment in a wheat-maize double-cropping system, the regulatory mechanisms of nitrogen fertilizer legacy on soil-crop coordination and microbial functions rema

  Based on a long-term positioned field experiment in a wheat-maize double-cropping system, the regulatory mechanisms of nitrogen fertilizer legacy on soil-crop coordination and microbial functions remain unclear.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• Investigate the effects of multiple freeze-thaw cycles on soil pore structure. Examine the impact of different soil types on the relationship between SMPT and soil pore structure. Study the effects of

  Investigate the effects of multiple freeze-thaw cycles on soil pore structure. Examine the impact of different soil types on the relationship between SMPT and soil pore structure. Study the effects of SMPT on soil biogeochemical processes.

  Agriculture · 4 papers · avg 2025.4 · weak evidence
• However, the salinity adaptation mechanisms of microorganisms participating in biogeochemical cycles remain incompletely understood, which hold considerable promise for microbial solutions in saline a

  However, the salinity adaptation mechanisms of microorganisms participating in biogeochemical cycles remain incompletely understood, which hold considerable promise for microbial solutions in saline agriculture.

  Agriculture · 4 papers · avg 2024.8 · weak evidence
• There is a lack of understanding of the role of iron in soil organic carbon stabilization in mangroves under land use change. The study aims to address this knowledge gap by exploring the role of iron

  While the Qinzhou Bay as the main area of national mangrove restoration plan in the future, studies on its carbon pools, especially assessment of the carbon sink enhancement effect of restored mangroves along forest chronosequence, are lack

  Agriculture · 4 papers · avg 2024.4 · weak evidence
• Soybean yield was positively associated with nutrient cycling and storage, but not with nutrient supply, indicating that chemical indicators alone are insufficient to capture soil functional complexit

  Soybean yield was positively associated with nutrient cycling and storage, but not with nutrient supply, indicating that chemical indicators alone are insufficient to capture soil functional complexity in soils with constructed soil fertili

  Agriculture · 4 papers · avg 2025 · weak evidence
• The optimal nitrogen thresholds under different irrigation levels are not well understood. The interactive effects of water and nitrogen on tomato photosynthetic physiological characteristics are not

  The optimal nitrogen thresholds under different irrigation levels are not well understood. The interactive effects of water and nitrogen on tomato photosynthetic physiological characteristics are not well understood.

  Agriculture · 4 papers · avg 2025 · weak evidence
• The lack of a dynamic p-y model for piles near clay slopes. The need for a practical tool for steady-state dynamic analysis of laterally loaded piles. The influence of slope effect on the dynamic resp

  Resistance predictions for pile group foundations is a complex problem, which may be the reason for scattered and insufficient information available despite numerous experimental and numerical studies, predominated by the focus on partial e

  Agriculture · 4 papers · avg 2024 · weak evidence
• There is a need for natural alternatives to antibiotic growth promoters in livestock production. The effects of allicin on the intestinal microbiota and production efficiency in livestock are not full

  There is a need for natural alternatives to antibiotic growth promoters in livestock production. The effects of allicin on the intestinal microbiota and production efficiency in livestock are not fully understood.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• Single-cropping rice dominates rice production in China, yet its regional differences and long-term variability in net irrigation water requirements (RIWR) remain poorly characterized at the national

  Single-cropping rice dominates rice production in China, yet its regional differences and long-term variability in net irrigation water requirements (RIWR) remain poorly characterized at the national scale.

  Agriculture · 4 papers · avg 2024.8 · weak evidence
• Increased nitrogen deposition is a key feature of global climate change, however, its effects on the structure and assembling mechanisms of the nitrogen-fixing bacteria present at the root surface rem

  Increased nitrogen deposition is a key feature of global climate change, however, its effects on the structure and assembling mechanisms of the nitrogen-fixing bacteria present at the root surface remain to be elucidated.

  Agriculture · 4 papers · avg 2024.3 · weak evidence
• Although the mechanisms underlying plant–fungal endophyte interactions are not yet fully understood, several studies have suggested their potential application in agriculture, particularly in the miti

  Although the mechanisms underlying plant–fungal endophyte interactions are not yet fully understood, several studies have suggested their potential application in agriculture, particularly in the mitigation of plant pests and diseases.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• The lack of effective disease control methods for watermelon Fusarium wilt. The need for sustainable strategies to manage soil-borne diseases in continuous cropping systems. The limited understanding

  Although it is well established that rotating crops can break disease cycles, reduce reliance on synthetic fertilizers, and improve soil health, the legacy effects of specific rotation crops on plant-associated microbial communities are poo

  Agriculture · 4 papers · avg 2025 · weak evidence
• The link between biochar’s inherent contaminants and toxicity to soil meso– and macro–fauna remains unclear, with data being often contradictory and influenced by feedstock and pyrolysis conditions.

  The responses of soil nematode community structure to biochar application remain poorly understood. There is a lack of studies on the dose-dependent effects of biochar on nematode communities. The underlying mechanisms mediated by soil prop

  Agriculture · 4 papers · avg 2025 · weak evidence
• The lack of evaluation of Brunt models for net radiation estimation without site-specific calibration. The uncertainty in substituting air temperature for canopy temperature under well-watered crop co

  The lack of evaluation of Brunt models for net radiation estimation without site-specific calibration. The uncertainty in substituting air temperature for canopy temperature under well-watered crop conditions.

  Agriculture · 4 papers · avg 2025.7 · weak evidence
• There is a lack of knowledge on the effects of soil moisture and soil type on Rhizoctonia root rot - The interactive effects of soil moisture and soil type on Rhizoctonia root rot are not well underst

  Further studies can investigate the impact of environmental factors on nematode populations. Further studies can explore the use of nematode community composition as an indicator of soil health in other ecosystems.

  Agriculture · 4 papers · avg 2026 · weak evidence
• Abstract Background Soil organic phosphorus (P) and its chemical nature change markedly during long-term pedogenesis, but how variation in ecosystem water balance and associated differences in vegetat

  Abstract Background Soil organic phosphorus (P) and its chemical nature change markedly during long-term pedogenesis, but how variation in ecosystem water balance and associated differences in vegetation impact such transformations remain u

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• There are still many issues to be elucidated for developmental biology and agronomic science. The precise molecular mechanisms underlying the variations in seed size due to environmental factors are s

  There are still many issues to be elucidated for developmental biology and agronomic science. The precise molecular mechanisms underlying the variations in seed size due to environmental factors are still largely unexplored.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• Extreme rainfall leads to a significant decrease in cotton yield, which may be related to changes in soil water consumption (SWC) and the vertical distribution of yield, but relevant research is still

  Extreme rainfall leads to a significant decrease in cotton yield, which may be related to changes in soil water consumption (SWC) and the vertical distribution of yield, but relevant research is still scarce.

  Agriculture · 4 papers · avg 2025.2 · weak evidence
• However, existing evidence has mostly focused on surface fluxes, and the regulatory mechanisms by which dissolved organic matter (DOM) and microorganisms jointly affect GHG production and emission rem

  However, existing evidence has mostly focused on surface fluxes, and the regulatory mechanisms by which dissolved organic matter (DOM) and microorganisms jointly affect GHG production and emission remain poorly understood.

  Agriculture · 4 papers · avg 2025.5 · weak evidence
• However, the broader applicability of this approach across varying soil types remains undetermined, revealing significant gaps in understanding its real-world implementation under distinct edaphic con

  However, the broader applicability of this approach across varying soil types remains undetermined, revealing significant gaps in understanding its real-world implementation under distinct edaphic conditions.

  Agriculture · 4 papers · avg 2025 · weak evidence
• Begoña Zapatería 1 and Esperanza Arias 1,2* 1Department of Medicine (Marion Bessin Liver Research Center), Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, United States, 2Eins

  Begoña Zapatería 1 and Esperanza Arias 1,2* 1Department of Medicine (Marion Bessin Liver Research Center), Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, United States, 2Einstein Aging Research Center, Montefiore E

  Biology · 4 papers · avg 2025 · weak evidence
• Abstract Injectable hydrogels are widely investigated as carriers for mesenchymal stem cells (MSCs); however, the influence of ionic crosslinking strategy on injectability-relevant properties and earl

  Abstract Injectable hydrogels are widely investigated as carriers for mesenchymal stem cells (MSCs); however, the influence of ionic crosslinking strategy on injectability-relevant properties and early in vitro cell responses remains insuff

  Biology · 4 papers · avg 2025.5 · weak evidence
• Review & editing. XZ: Funding acquisition, Resources, Supervision, Writing – review & editing. Understanding the spatiotemporal plasticity of pulmonary macrophages is reshaping therapeutic concepts in

  review & editing. XZ: Funding acquisition, Resources, Supervision, Writing – review & editing. Understanding the spatiotemporal plasticity of pulmonary macrophages is reshaping therapeutic concepts in lung disease. Broad macrophage depletio

  Biology · 4 papers · avg 2026 · weak evidence
• The computational study of immune cell trafficking and the tumour microenvironment is a rapidly advancing field, propelled forward by developments in artificial intelligence, single-cell omics technologi

  The computational study of immune cell trafficking and the tumour microenvironment is a rapidly advancing field, propelled forward by developments in artificial intelligence, single-cell omics technologies, and increasingly sophisticated compu

  Biology · 4 papers · avg 2025.8 · weak evidence
• Evidence from Arabidopsis and other systems indicates that CK signaling delays chlorophyll catabolism, slows disassembly of photosynthetic complexes, supports chloroplast-related gene expression,

  Evidence from Arabidopsis and other systems indicates that CK signaling delays chlorophyll catabolism, slows disassembly of pho- tosynthetic complexes, supports chloroplast-related gene expres- sion, and limits ROS-driven acceleration of se

  Biology · 4 papers · avg 2025.8 · weak evidence
• This review systematically summarizes the molecular mechanisms by which exercise suppresses excessive neuronal apoptosis in PD through regulating mitochondrial function (AMPK/Sirt1/ PGC-1α), neuroin

  This review systematically summarizes the molecular mecha- nisms by which exercise suppresses excessive neuronal apoptosis in PD through regulating mitochondrial function (AMPK/Sirt1/ PGC-1α), neuroinflammation (TLR/MyD88/NF-κB), and autoph

  Biology · 4 papers · avg 2025.8 · weak evidence
• Whether SRRM2 mislocalization contributes to disease pathogenesis or represents a consequence of tau aggregation remains to be determined. Lastly, the functional consequences of SRRM2 mislocalizatio

  Whether SRRM2 mislocalization contributes to disease pathogenesis or represents a conse- quence of tau aggregation remains to be determined. Lastly, the functional consequences of SRRM2 mislocalization were not assessed, leaving its role in

  Biology · 4 papers · avg 2025.5 · weak evidence
• The molecular mechanisms of exogenous melatonin in improving salt tolerance in eggplants are rarely reported. There is a lack of understanding of the key genes and metabolic pathways involved in melat

  The molecular mechanisms of exogenous melatonin in improving salt tolerance in eggplants are rarely reported. There is a lack of understanding of the key genes and metabolic pathways involved in melatonin-mediated salt stress resistance. Th

  Biology · 4 papers · avg 2025.8 · weak evidence
• This special issue, containing the above-mentioned contributions, provides recent updates on plant responses to abiotic stresses, biotic stresses, and their combined interactions under natural con

  This special issue, containing the above-mentioned con- tributions, provides recent updates on plant responses to abiotic stresses, biotic stresses, and their combined inter- actions under natural conditions. It covers physiological, bioche

  Biology · 4 papers · avg 2025.5 · weak evidence