Titre : Sympatrie

Sympatrie : Questions médicales fréquentes

Termes MeSH sélectionnés :

Screen Time
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"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." } } ] } ] }

Sources (10000 au total)

Isolated and combined association of excessive screen time and physical inactivity with negative self-rated health in adolescents.

The aim of this study was to analyze isolated and combined associations of physical inactivity excessive screen time with negative self-rated health, according to sex, among school adolescents.... In this cross-sectional study conducted with 2,517 adolescents in Amazonas State, participants were asked about their self-rated health with the following question: How do you rate your health? Respon... Out of every 10 adolescents, 2 had a negative self-rated health. After adjusting for age and family income, there were no isolated or combined associations between physical inactivity or excessive scr... Being insufficiently active and the combination of physical inactivity and excessive screen time become exposure factors to the negative self-rated health of adolescent boys....

Associations between socioeconomic status and screen time among children and adolescents in China: A cross-sectional study.

Socioeconomic status (SES) is an important determinant of screen time (ST) in children and adolescents, however, the association between SES and ST is not fully understood in China. This study aimed t... Cross-sectional data of 2,955 Chinese children and adolescents aged 8 to 17(53.4% girls) were used. SES was measured using indicators of parental education and perceived family wealth. ST was assessed... Overall, 25.3% of children and adolescents met the ST guidelines. Children and adolescents with higher parental education levels were 1.84 [95% CI 1.31-2.57; father] and 1.42 [95% CI 1.02-1.98; mother... This study demonstrated the association between SES and ST in children and adolescents, highlighting the importance of targeting children and adolescents with low SES levels as an intervention priorit...

The association among SES, screen time, and outdoor play in children at different ages: The GECKO Drenthe study.

This study examined the association among socioeconomic status (SES), screen time, and outdoor play in children at different ages in the GECKO Drenthe birth cohort study.... Valid data were obtained from two surveys at ages 3-4 years and 10-11 years. Screen time (TV watching and computer use) and outdoor play were reported by parents. Childhood SES was derived by a synthe... In general, screen time increased strongly from a median of 51 min/day at 3-4 years (... Socioeconomic disparities in children's outdoor play and screen behavior may be more obvious with increasing age. Low SES may facilitate both outdoor play (at 3-4 years) and screen time (at 10-11 year...

Barriers and enablers to promoting grandchildren's physical activity and reducing screen time: a qualitative study with Australian grandparents.

With an increasing number of grandparents providing care to their grandchildren, calls have been made for these caregivers to be considered important stakeholders in encouraging children's engagement ... Semi-structured focus groups and individual interviews were conducted with grandparents who reported providing care to a grandchild aged 3 to 14 years. A total of 20 grandparents were sampled (mean ag... Key reported barriers to physical activity included (i) the effort (physical and logistical) and financial cost associated with organizing physical activities, (ii) grandparents' age and mobility issu... Findings suggest that grandparents may benefit from resources that assist them to identify activities that are inexpensive and require minimal effort to organize. Activities that account for grandpare...

Association of physical activity and screen time with cardiovascular disease risk in the Adolescent Brain Cognitive Development Study.

According to the Physical Activity Guidelines Advisory Committee Scientific Report, limited evidence is available on sedentary behaviors (screen time) and their joint associations with physical activi... This study analyzed data from the Adolescent Brain Cognitive Development (ABCD) Study, comprising a diverse sample of 4,718 U.S. adolescents aged 10-15 years between 2018 and 2021. Steps were measured... The analytical sample averaged 6.6 h of screen time per day and 9,722 steps per day. In models including both screen time and steps, the high screen time category was associated with a 4.27 higher dia... Combinations of low screen time and high steps were generally associated with favorable cardiovascular health markers including lower diastolic blood pressure and higher HDL cholesterol, which can inf...

Different types of screen time, physical activity, and incident dementia, Parkinson's disease, depression and multimorbidity status.

Several previous studies have shown that excessive screen time is associated with an increased prevalence of dementia, Parkinson's disease (PD), and depression. However, the results have been inconsis... We included 473,184 participants initially free of dementia, PD, and depression from UK Biobank, as well as 39,652 participants who had magnetic resonance imaging (MRI) data. Screen time exposure vari... During the follow up, 6,096, 3,061, and 23,700 participants first incident cases of dementia, PD, and depression respectively. For moderate versus the lowest computer uses, the adjusted HRs (95% CIs) ... We found that moderate computer use was associated with a reduced risk of dementia, PD, depression and their multimorbidity status, while increased TV watching was associated with a higher risk of the...

Associations between adolescent sleep difficulties and active versus passive screen time across 38 countries.

High screen use has been adversely linked with mental wellbeing; however, little is known about how active versus passive screen time are associated with sleep-onset difficulties among adolescents.... We analysed data from 38 European and North American countries that participated in the 2014 Health Behaviour in School-aged Children (HBSC) survey. Difficulties in falling sleep were assessed using a... Of the 195,668 participants (M... Cross-sectional analyses cannot establish causality of the associations.... Higher levels of recreational screen use of any type were associated with sleep-onset difficulties among adolescents with adverse effects being more prevalent in active than passive screen time. Prosp...