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"description": "Comment identifier la sympatrie chez les espèces ?\nQuels outils sont utilisés pour étudier la sympatrie ?\nLa sympatrie peut-elle être observée chez les mammifères ?\nQuels signes indiquent une sympatrie chez les oiseaux ?\nComment la sympatrie est-elle mesurée ?",
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"name": "Comment identifier la sympatrie chez les espèces ?",
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"text": "L'observation des habitats et des comportements des espèces permet d'identifier la sympatrie."
}
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{
"@type": "Question",
"name": "Quels outils sont utilisés pour étudier la sympatrie ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des études génétiques et des analyses de niche écologique sont couramment utilisées."
}
},
{
"@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."
}
}
]
}
]
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There are overlapping effects of screen time and sleep on children's behavior. The purpose of this study was to explore the relationship of screen time with behavior problems in children with autism s...
A sample of 358 preschoolers with ASD were included. We investigated the children's basic characteristics of sex and age, ASD symptoms (ABC, CARS, and ADOS-2), neurodevelopment (GDS-C), sleep habits (...
Screen time before bedtime was correlated with CBCL and CSHQ, which indicated that screen time before bedtime was correlated with sleep and behavior in children with ASD. Screen time before bedtime wa...
Clinicians should support and educate parents of children with ASD, which should focus on managing screen time, especially screen time before bedtime....
Suicide is a leading cause of death among adolescents. Emerging literature has described relationships between excessive screen time and suicidal behaviors, though findings have been mixed. The object...
This study aims to investigate the independent causal relation between height, screen time, physical activity, sleep and myopia....
Instrumental variables (IVs) for exposures and outcome were obtained from the largest publicly available genome-wide association studies (GWAS) databases. First, we performed a bidirectional univariat...
The results of univariate MR analysis showed that taller height (OR = 1.009, 95% CI = 1.005-1.012,...
Our MR study revealed that genetically predicted taller height, longer time on computer, less moderate physical activity increased the risk of myopia. After full adjustment for confounders, only heigh...
To examine the associations of passive (ie, television) and active (ie, electronic games, computer use) screen time (ST) with perceived school performance of adolescents across gender....
Data were from the 2014 Health Behaviour in School-aged Children survey conducted across 38 European countries and Canada. Perceived school performance was assessed using an item and dichotomized as h...
A total of 197,439 adolescents (average age 13.6 [standard deviation 1.63] years; 51% girls) were analyzed. Multivariable modeling showed that engaging in >2 h/d of ST was progressively and adversely ...
High screen use, whether active or passive, was adversely associated with perceived high school performance, with association estimates being slightly stronger in girls than boys, and for mentally act...
Excessive screen exposure (ESE) is a growing global public health concern. This study aims to investigate the potential association between ESE and suspected developmental coordination disorder (DCD) ...
A retrospective cohort study was conducted, involving 126,433 children from 551 cities in China. The Little Developmental Coordination Disorder Questionnaire (LDCDQ) was employed to evaluate motor imp...
The prevalence of excessive screen exposure was 67.6% (>1 h per day) and 28.9% (>2 h per day) in Chinese pre-schoolers. One hour's increase in weekday daily screen time, weekend daily screen time, and...
The risk of suspected DCD was highest for screen time exposure before bed compared with average weekday and weekend exposures. Parents should be advised to prevent their children from using electronic...
The aim of this study is to determine the prospective associations between baseline screen time and obsessive-compulsive disorder (OCD) at 2-year follow-up in a national (United States) cohort of 9- t...
We analyzed prospective cohort data from the Adolescent Brain Cognitive Development study (n = 9,208). Logistic regression analyses were used to determine the associations between baseline self-report...
The sample was 48.9% female and racially and ethnically diverse (43.5% non-White). Each additional hour of total screen time was prospectively associated with 1.05 higher odds of OCD at 2-year follow-...
Video games and watching videos are prospectively associated with new-onset OCD in early adolescents. Future research should examine mechanisms linking these specific screen modalities to OCD developm...
Adolescence is a critical period in human life, associated with reduced physical activity and increased sedentary behaviors. In this systematic review and dose-response meta-analysis, we evaluated the...
A systematic search in electronic databases, including PubMed, Embase, and Scopus was performed up to September 2021. All published studies evaluating the association between screen time and risk of o...
The results of the two-class meta-analysis showed that adolescents at the highest category of screen time were 1.27 times more likely to develop overweight/obesity (OR = 1.273; 95% CI = 1.166-1.390; P...
For the first time, the current systematic review and meta-analysis revealed a positive association between screen time and overweight/obesity among adolescents without any dose-response evidence....
The protocol of the current work has been registered in the PROSPERO system (Registration number: CRD42021233899 )....
To examine changes in flourishing, school engagement, physical activity, and recreational screen time among school-aged children in the United States during the Coronavirus Disease 2019 (COVID-19) pan...
In this cross-sectional study, data come from the 2018-2020 National Survey of Children's Health for 68,203 children aged 6 to 17 years. Flourishing is always/usually curious to learn, resilient and h...
Among children age 6 to 17 years in 2020, there was a decline in flourishing (OR = 0.69; 95% CI, 0.63, 0.75), school engagement (OR = 0.71; 95% CI, 0.64, 0.79), physically active days (0.26 days, 95% ...
Children's flourishing, school engagement, and physical activity declined while recreational screen time increased during the COVID-19 pandemic in 2020. Monitoring these outcomes in the long-run is im...
The metabolic syndrome (MetS) and its consequences are one of the main public health challenges worldwide. We conducted a systematic review and dose-response meta-analysis of studies that examined the...
A systematic search was conducted using electronic databases, including PubMed, Scopus, ProQuest, and Cochrane Library, for studies published from 1963 up to 2 May 2022. In this systematic review and ...
Seven studies were included in the meta-analysis. The summary OR of MetS among children and adolescents for the highest vs. lowest time of screen time was 1.64 (95% CI: 1.32-2.03, with little evidence...
The current dose-response meta-analysis suggested that increased screen time is associated with an increased risk of MetS among children and adolescents. Public health strategies may target unhealthy ...
The coronavirus disease 2019 (COVID-19) pandemic had a huge impact on daily life, even in countries such as Sweden where the restrictions were relatively mild. This paper assesses the effects of the C...
Cohort data were collected from September 26th to December 6th, 2019, and from April 12th to June 9th, 2021. Participants were 13-14 years-old (7th graders) at baseline with 585 participating at both ...
Moderate-to-vigorous-physical activity (MVPA) remained unchanged while light physical activity (LiPA) decreased and sedentary time increased. Sleep duration decreased and screen time increased. Girls,...
Although no significant (α = 0.05) changes were seen in MVPA, both LiPA and sedentary time as well as sleep and screen time changed in unfavourable ways. More intense activities are often organised an...