Comment diagnostiquer la dénitrification dans un sol ?
On utilise des tests de laboratoire pour mesurer les niveaux de nitrates et d'azote gazeux.
DénitrificationNitratesAnalyse du sol
#2
Quels indicateurs montrent une dénitrification active ?
La présence d'azote gazeux et une diminution des nitrates dans le sol sont des indicateurs.
DénitrificationAzoteNitrates
#3
Quels tests sont utilisés pour évaluer la dénitrification ?
Des tests de respiration microbienne et des analyses chimiques des sols sont courants.
DénitrificationMicrobiologieAnalyse chimique
#4
Peut-on mesurer la dénitrification dans l'eau ?
Oui, des échantillons d'eau peuvent être analysés pour détecter les nitrates et l'azote.
DénitrificationEauNitrates
#5
Quels outils sont utilisés pour le diagnostic ?
Des chromatographes et des spectromètres sont souvent utilisés pour les analyses.
DénitrificationChromatographieSpectrométrie
Symptômes
5
#1
Quels sont les symptômes d'une dénitrification excessive ?
Une accumulation d'azote dans l'environnement peut entraîner des problèmes d'eutrophisation.
DénitrificationEutrophisationEnvironnement
#2
Comment la dénitrification affecte-t-elle la qualité de l'eau ?
Elle peut réduire les niveaux de nitrates, améliorant ainsi la qualité de l'eau potable.
DénitrificationQualité de l'eauNitrates
#3
Quels impacts sur la biodiversité ?
Une dénitrification déséquilibrée peut nuire à certaines espèces aquatiques sensibles.
DénitrificationBiodiversitéEspèces aquatiques
#4
Y a-t-il des symptômes visibles dans les cultures ?
Des signes de stress hydrique ou de carence en nutriments peuvent apparaître.
DénitrificationCulturesCarence en nutriments
#5
Quels effets sur les écosystèmes aquatiques ?
Une dénitrification excessive peut entraîner des zones mortes dans les écosystèmes aquatiques.
DénitrificationÉcosystèmes aquatiquesZones mortes
Prévention
5
#1
Comment prévenir la dénitrification excessive ?
Limiter l'utilisation d'engrais azotés et adopter des pratiques agricoles durables.
DénitrificationEngraisAgriculture durable
#2
Quelles pratiques agricoles aident à la dénitrification ?
La rotation des cultures et l'utilisation de cultures de couverture sont bénéfiques.
DénitrificationRotation des culturesCultures de couverture
#3
Comment gérer les eaux usées pour éviter la dénitrification ?
Traiter les eaux usées avant leur rejet pour réduire les nitrates dans l'environnement.
DénitrificationEaux uséesTraitement des eaux
#4
Quels rôles jouent les zones tampons ?
Les zones tampons peuvent filtrer les nitrates avant qu'ils n'atteignent les cours d'eau.
DénitrificationZones tamponsFiltration
#5
Comment sensibiliser à la dénitrification ?
Éduquer les agriculteurs et le public sur les impacts de l'azote et des pratiques durables.
DénitrificationÉducationPratiques durables
Traitements
5
#1
Comment traiter les sols avec une dénitrification faible ?
L'ajout de matières organiques peut stimuler l'activité microbienne et la dénitrification.
DénitrificationMatières organiquesSol
#2
Quels traitements pour l'eau contaminée par les nitrates ?
Des systèmes de filtration et des traitements biologiques peuvent réduire les nitrates.
DénitrificationEauFiltration
#3
Peut-on utiliser des bactéries pour améliorer la dénitrification ?
Oui, certaines bactéries peuvent être ajoutées pour augmenter le taux de dénitrification.
DénitrificationBactériesBiotechnologie
#4
Quels produits chimiques aident à la dénitrification ?
Des agents réducteurs comme le glucose peuvent être utilisés pour favoriser le processus.
DénitrificationProduits chimiquesRéduction
#5
Comment optimiser la dénitrification en agriculture ?
L'utilisation de cultures de couverture et de pratiques de conservation peut aider.
DénitrificationAgricultureCultures de couverture
Complications
5
#1
Quelles complications peuvent résulter d'une dénitrification inappropriée ?
Une dénitrification inappropriée peut entraîner une pollution de l'eau et des problèmes de santé.
DénitrificationPollution de l'eauSanté publique
#2
Comment la dénitrification affecte-t-elle la santé humaine ?
Des niveaux élevés de nitrates dans l'eau potable peuvent causer des problèmes de santé.
DénitrificationSanté humaineNitrates
#3
Quels impacts sur les écosystèmes ?
Une dénitrification déséquilibrée peut provoquer des déséquilibres écologiques et des pertes de biodiversité.
DénitrificationÉcosystèmesBiodiversité
#4
Y a-t-il des risques pour les cultures ?
Une dénitrification excessive peut entraîner des carences en nutriments pour les plantes.
DénitrificationCulturesCarences en nutriments
#5
Quels effets sur la chaîne alimentaire ?
Des niveaux élevés de nitrates peuvent affecter la chaîne alimentaire aquatique et terrestre.
DénitrificationChaîne alimentaireNitrates
Facteurs de risque
5
#1
Quels facteurs augmentent le risque de dénitrification ?
L'utilisation excessive d'engrais azotés et le drainage des sols augmentent le risque.
DénitrificationEngrais azotésDrainage des sols
#2
Comment le climat influence-t-il la dénitrification ?
Des conditions humides et chaudes favorisent la dénitrification en augmentant l'activité microbienne.
DénitrificationClimatActivité microbienne
#3
Quels types de sols sont plus à risque ?
Les sols sableux et mal drainés sont plus susceptibles de subir une dénitrification excessive.
DénitrificationSolsDrainage
#4
Quel rôle jouent les pratiques agricoles ?
Des pratiques agricoles non durables augmentent le risque de dénitrification et de pollution.
DénitrificationPratiques agricolesPollution
#5
Comment les zones urbaines influencent-elles la dénitrification ?
Les zones urbaines peuvent augmenter les niveaux de nitrates par le ruissellement des eaux usées.
DénitrificationZones urbainesRuissellement
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}
Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen361021, China.
Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment; Key Laboratory of Low-Carbon Green Agriculture in Southwestern China, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing400715, China.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, College of Architectural Engineering, Beijing University of Technology, Beijing 100124, China. Electronic address: yhong@bjut.edu.cn.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China. Electronic address: jfy@cqu.edu.cn.
Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, PR China.
Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China; Guangxi Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541004, China.
Language is a complex multidimensional cognitive system that is connected to many neurocognitive capacities. The development of language is therefore strongly intertwined with the development of these...
Children with developmental language disorder (DLD) have well-documented verb learning difficulties. In this study, we asked whether the inclusion of retrieval practice during the learning period woul...
Eleven children with DLD (...
Recall testing immediately after the learning period and 1 week later revealed greater recall for novel verbs in the RSR condition than for novel verbs in the RS condition. This was true for both grou...
Retrieval practice provides benefits to verb learning-an important finding given the challenges that verbs present to children with DLD. However, these benefits do not appear to automatically translat...
Twenty-eight Albanian-Greek bilingual children with Developmental Language Disorder and 28 children with Autism Spectrum Disorder but no language impairment, along with 28 typically-developing, age-, ...
This study compares the home language environments of children with (a suspicion of) developmental language disorder (DLD) with that of children with typical development (TD). It does so by adopting n...
Ninety-nine 2- to 4-year-old toddlers participated: 59 with (a suspicion of) DLD and 40 with TD. LENA metrics on adult word count, conversational turn count, and child vocalization count were obtained...
We found lower adult word count, conversational turn count, and child vocalization count in the DLD group, independent of multilingualism but not of parental education. In the DLD group, receptive voc...
Toddlers with (a suspicion of) DLD vocalize less at home than children with TD. They also hear fewer adult words and experience fewer conversational turns. Children with DLD's language outcomes are to...
Although there is a growing body of literature on cognitive and language processing in bilingual children with developmental language disorder (DLD), there is a major gap in the evidence for language ...
To examine evidence for language intervention and cross-language transfer effects in bilingual children with DLD. Specifically, the study aimed to review intervention evidence targeting non-linguistic...
We carried out searches in five electronic databases: CINAHL, Scopus, Psychinfo, Proquest and Sciencedirect. Data from selected papers were extracted and organized into the three following categories:...
We included 14 papers in the review. The majority indicated evidence for vocabulary intervention. There was limited evidence for intervention targeting phonology or morphosyntax. Cross-language genera...
The present review indicates that there is a significant gap in the literature regarding language intervention for several key language areas such as morphosyntax, narrative skills and literacy. There...
What is already known on the subject Previous studies have examined the effects of bi- and monolingual intervention in bilingual children with DLD. Although the results indicated superior effects for ...
Speech-language pathologists (SLPs) have multiple roles and responsibilities related to language and literacy instruction in schools. The purpose of this exploratory, qualitative study was to analyze ...
Eight school-based SLPs participated in a 1-hr virtual focus group conducted via Zoom recording technology. The researchers used a conventional content analysis approach to analyze the focus group dat...
The researchers developed two themes: (a) SLPs identified repeated exposure to books, peer interaction, and teaching vocabulary with visual supports and props as key elements of language and literacy ...
SLPs identified several instructional practices inclusive pre-K teachers could be taught to use during professional development programs to support the emergent literacy development of children with D...
Systematic reviews of bilingual children's reading development are very limited, and none of which solely focus on predictors of reading difficulties among those with developmental language disorder (...
The search parameters used in this scoping review included peer-reviewed journal articles written in English from 2000 to 2022 in order to synthesize the most recent empirical work, a focus on early c...
The present review yielded nine articles, which all examined the predictive validity of either a measure or task with the ultimate goal of improving early identification of reading difficulties. Signi...
To conclude, this review demonstrates that this is a highly under-researched topic. To have ended up including only nine articles that fit the criteria of our search reveals a large gap in the researc...
Developmental language disorder (DLD) is a relatively new, internationally promoted term to describe individuals with language impairments not secondary to a biomedical condition. This study aimed to ...
After completing an online presurvey to evaluate current comfort levels in using DLD terminology and current knowledge of DLD, currently practicing SLPs viewed a 45-min prerecorded educational video o...
After filtering to remove likely fraudulent responders, we included 77 participants in all analyses. Presurvey Likert scale responses indicated at least some comfort in using DLD terminology. Addition...
Despite some limitations, it was concluded that diffusion efforts, such as educational presentations, are likely to increase SLPs' comfort levels in using DLD terminology and SLPs' knowledge of DLD....
https://doi.org/10.23641/asha.22344349....
Children with developmental language disorder (DLD) regularly use the bare form of verbs (e.g., dance) instead of inflected forms (e.g., danced). We propose an account of this behavior in which proces...
Individuals with developmental language disorder or Williams syndrome are reported to use more gestures than individuals with typical development. However, these two groups differ considerably in visu...
We first examined whether children with both developmental language disorder and children Williams syndrome do indeed use more gestures. Our second aim was to disentangle the role of vocabulary and vi...
In a cross-sectional group design, three participant groups watched and then retold a cartoon: children with typical development (n = 25), children with developmental language disorder (n = 25) and ch...
Between-group comparisons showed that individuals with developmental language disorder or Williams syndrome did indeed use more gestures. Poisson loglinear modelling demonstrated that a relative highe...
Regardless of neurodevelopmental condition or typical development, a higher use of supplementary gestures was influenced by expressive vocabulary skills. Children with lower vocabulary skills spontane...
What is already known on the subject Children with developmental language disorder and children with Williams syndrome are more inclined to use gestures than typically developing children. Research co...