Titre : Sympatrie

Sympatrie : Questions médicales fréquentes

Termes MeSH sélectionnés :

Screen Time
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{ "@type": "Question", "name": "La sympatrie peut-elle être observée chez les mammifères ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, de nombreuses espèces de mammifères peuvent coexister en sympatrie dans un même habitat." } }, { "@type": "Question", "name": "Quels signes indiquent une sympatrie chez les oiseaux ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'observation de plusieurs espèces d'oiseaux se nourrissant ou nidifiant dans la même zone est un signe." } }, { "@type": "Question", "name": "Comment la sympatrie est-elle mesurée ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elle est mesurée par des indices de diversité et des analyses de distribution des espèces." } }, { "@type": "Question", "name": "Quels symptômes indiquent une compétition en sympatrie ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une diminution des ressources et des changements de comportement peuvent être observés." } }, { "@type": "Question", "name": "La sympatrie cause-t-elle des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Non, la sympatrie en elle-même ne cause pas de maladies, mais peut influencer la santé des espèces." } }, { "@type": "Question", "name": "Quels signes de stress peuvent apparaître en sympatrie ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des comportements agressifs ou des changements alimentaires peuvent indiquer du stress." } }, { "@type": "Question", "name": "Les espèces en sympatrie montrent-elles des adaptations ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent développer des adaptations morphologiques ou comportementales pour coexister." } }, { "@type": "Question", "name": "Comment la sympatrie affecte-t-elle la reproduction ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut entraîner des mécanismes de sélection sexuelle pour éviter l'hybridation." } }, { "@type": "Question", "name": "Comment prévenir la perte de sympatrie ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La protection des habitats naturels et la régulation des activités humaines sont essentielles." } }, { "@type": "Question", "name": "Quelles lois protègent la sympatrie ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des lois sur la conservation de la faune et des habitats protègent les espèces en sympatrie." } }, { "@type": "Question", "name": "Comment sensibiliser à la sympatrie ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des campagnes éducatives et des programmes de sensibilisation peuvent aider à préserver la biodiversité." } }, { "@type": "Question", "name": "Quel rôle jouent les ONG dans la sympatrie ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Les ONG œuvrent pour la conservation des espèces et la protection des habitats en sympatrie." } }, { "@type": "Question", "name": "Comment les citoyens peuvent-ils aider ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Les citoyens peuvent participer à des projets de conservation et signaler les espèces menacées." } }, { "@type": "Question", "name": "Y a-t-il des traitements pour les espèces en sympatrie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements visent généralement à gérer les populations et à préserver la biodiversité." } }, { "@type": "Question", "name": "Comment gérer la compétition en sympatrie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des stratégies de conservation et de gestion des habitats peuvent réduire la compétition." } }, { "@type": "Question", "name": "Les interventions humaines affectent-elles la sympatrie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'urbanisation et l'agriculture peuvent perturber les habitats et la sympatrie." } }, { "@type": "Question", "name": "Quelles sont les stratégies de conservation en sympatrie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La création de réserves naturelles et la restauration des habitats sont des stratégies clés." } }, { "@type": "Question", "name": "Comment les zoos contribuent-ils à la sympatrie ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les zoos participent à la conservation des espèces et à l'éducation sur la biodiversité." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir en sympatrie ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des conflits interspécifiques et une pression sur les ressources peuvent survenir." } }, { "@type": "Question", "name": "La sympatrie entraîne-t-elle des hybridations ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la sympatrie peut favoriser l'hybridation entre espèces proches, affectant la biodiversité." } }, { "@type": "Question", "name": "Quels impacts sur l'écosystème en sympatrie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "La sympatrie peut modifier les dynamiques écologiques et la structure des communautés." } }, { "@type": "Question", "name": "Comment la sympatrie affecte-t-elle la survie des espèces ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "La compétition accrue peut réduire les chances de survie de certaines espèces en sympatrie." } }, { "@type": "Question", "name": "Les maladies se propagent-elles en sympatrie ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la proximité des espèces peut faciliter la transmission de maladies entre elles." } }, { "@type": "Question", "name": "Quels facteurs augmentent la sympatrie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "La disponibilité des ressources et la diversité des habitats favorisent la sympatrie." } }, { "@type": "Question", "name": "Comment le changement climatique affecte-t-il la sympatrie ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le changement climatique peut modifier les habitats et influencer la sympatrie des espèces." } }, { "@type": "Question", "name": "Quels rôles jouent les prédateurs en sympatrie ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les prédateurs peuvent influencer la distribution et la coexistence des espèces en sympatrie." } }, { "@type": "Question", "name": "Les invasions biologiques affectent-elles la sympatrie ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les espèces envahissantes peuvent perturber les interactions en sympatrie et menacer les espèces natives." } }, { "@type": "Question", "name": "Quel impact a l'urbanisation sur la sympatrie ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "L'urbanisation peut fragmenter les habitats et réduire les opportunités de sympatrie." } } ] } ] }

Sources (10000 au total)

Screen time of toddlers in Paris suburbs: Quantitative and qualitative analysis.

Our aim was to describe the exposure of French children aged 12-36 months to screens (time, content, age of first exposure) and to analyze different moderating factors: sociodemographic data, parents'... We conducted an observational, cross-sectional, descriptive and analytical study based on 171 questionnaires from parents of children aged 12-36 months who consulted different hospitals in the Paris r... The median screen time was 1 h per day and was essentially television time. The median age of first exposure for children was 12 months. Among the most-watched sites, YouTube was in first place. One t... These results emphasize the importance of raising parents' awareness about the potential negative effects of screen exposure (particularly on children's cognitive and emotional development) as early a...

Associations of screen time with symptoms of stress, anxiety, and depression in adolescents.

To examine the associations between self-reported screen time and symptoms of stress, anxiety, and depression in adolescents.... A cross-sectional study was conducted with 982 adolescents aged between 12 and 15 years, enrolled in public schools in Jacarezinho (PR), Brazil. Screen time was assessed by the question "Considering a... Higher depressive symptoms were observed in adolescents who reported screen time of 4-6 hours/day (PR 1.35, 95%CI 1.13-1.61) and ≥6 hours/day (PR 1.88, 95%CI 1.62-2.19), compared with their pairs with... Screen time was positively associated with depressive, anxiety, and stress symptoms in adolescents. Special attention should be given to those who spend more than four hours a day in front of a screen...

Leisure Screen Time and Food Consumption among Brazilian Adults.

Screen time, involving activities like watching television (TV), and using tablets, mobile phones, and computers (electronic devices), is associated with the consumption of unhealthy foods. This study... Data from the National Health Survey (NHS), conducted in 2019 (n = 88,531), were used. Prolonged leisure screen time (screen time ≥ 3 h/day) was analyzed in three dimensions: watching TV; use of elect... Among Brazilian adults, the prevalence of prolonged screen time was 21.8% for TV and 22.2% for other electronic devices for leisure. The highest frequency of watching TV for a prolonged time was obser... Prolonged screen time was negatively associated with the consumption of healthy foods and favored the consumption of unhealthy foods among Brazilian adults....

Screen time and myopia: A serial multiple mediator SEM analysis.

COVID-19 has influenced education systems worldwide, and significantly increased screen time for college students, posing a potential risk of myopia. In China, ninety percent of college students suffe... This paper conducted a nationwide experiment using Chinese college students and set a multiple-mediator SEM model to analyze the potential correlation between screen time and myopia. The two mediators... We obtained three valuable conclusions as follows: First, there was no significant direct relationship between screen time and myopia among Chinese college students during the COVID-19 pandemic. Secon... Although there was no directly significant relationship between screen time and myopia, screen time can indirectly influence the risk of suffering myopia by influencing sedentary behavior and physical...

Leisure screen time predicts free sugar consumption in children.

This study aimed to investigate free sugar consumption (FSC) in relation to leisure screen time in children.... Cross-sectional data of 424 healthy Saudi children ages 6 to 12 y were included in this study. Data pertaining to sociodemographic characteristics and leisure screen time (including time spent viewing... Our data found that a large proportion of children exceeded the maximum limit of screen time recommended for children, of ≤2 h/d (61.7%; n = 262). Child and maternal ages and child's birth order among... Exceeding the recommendation of screen time is associated with greater FSC in children. Future interventions should be directed toward restricting screen time and FSC in children....

Effects of outdoor activity time, screen time, and family socioeconomic status on physical health of preschool children.

Experienced 3 years of pandemic-induced home life, in the post-epidemic period, preschoolers in China are falling short of the World Health Organization's standards for screen time and outdoor activit... A cross-sectional study was conducted in Guangdong Province, involving a representative sample of 23,992 preschoolers and their caregivers recruited through proportional stratified cluster sampling. D... In the high family socioeconomic status (SES) group, children had significantly less screen time compared to those in the medium and low SES groups. Outdoor activity time varied significantly based on... The current study highlights that family SES, age, and gender play pivotal roles in influencing preschoolers' screen time and outdoor activity duration, with family SES being particularly influential....

Outdoor time, screen time and sleep reported across early childhood: concurrent trajectories and maternal predictors.

Understanding the developmental trajectories of outdoor time, screen time and sleep is necessary to inform early interventions that promote healthy behaviours. This study aimed to describe concurrent ... Data across five time points at child age 4, 9, 19, 42 and 60 months from the INFANT intervention were analysed. Mothers reported their child's usual outdoor time, screen time and sleep duration, in a... Of the 542 children recruited, 528 had data for outdoor time, screen time and sleep at one or more time points and were included in trajectory analyses Four trajectories were identified: 'unstable sle... Four distinct trajectories of outdoor time, screen time and sleep were identified, with the most common (and healthiest) characterized by high levels of sleep. Maternal beliefs, attitudes, expectation...