特定阶段的热浪对Aedes albopictus (Diptera: Culicidae) 的生存和发育的影响
Kathleen G Dobbs1,2, Tom Radomski1,2, Kim A Medley1
1Tyson Research Center, Washington University in St Louis, Eureka, MO 63025, USA.
Journal of medical entomology
|February 2, 2026
概括
气候变化带来的热浪对老虎蚊,白蚊 (Aedes albopictus) 产生了重大影响,特别是当热浪延长到多个生命阶段时. 短,单阶段的热浪对蚊子的发展和生存的影响较小.
科学领域:
- 生态生态学 生态生态学
- 气候变化生物学 气候变化生物学
- 载体传播疾病 载体传播疾病
背景情况:
- 像老虎蚊 (Aedes albopictus) 这样的外热物对全球气温上升很脆弱.
- 以前的研究集中在恒定的高温,但短热浪对蚊子生命阶段的影响不太清楚.
研究的目的:
- 调查短期热浪对艾迪斯白斑虫 (Aedes albopictus) 在不同生命阶段的发育和生存的影响.
- 为了区分单阶段和长期热浪暴露的影响.
主要方法:
- 在实验室中,Aedes albopictus在卵,幼虫或成人的阶段暴露在为期五天的热浪中.
- 单阶段热浪效应与所有生命阶段连续热浪暴露的比较.
- 测量蚊子的生长率和存活率.
主要成果:
- 持续暴露于热浪会降低卵子化成功和延迟化,增加雌性发育,并降低幼/成年人的生存率.
- 单阶段的热浪没有显著影响发展或生存,除了减少成年人的生存率.
- 青少年阶段对短暂的,特定阶段的热浪表现出弹性.
结论:
- 跨越多个生命阶段的长期热浪显著降低了Aedes albopictus的生存率,影响了种群动态.
- 特定阶段的热浪的影响较小,尽管成年人的生存率降低.
- 这些发现对于在未来的气候场景下了解蚊子种群和疾病传播 (例如登革热,奇孔古尼亚) 至关重要.
相关概念视频
Piaget's Stage 3 of Cognitive Development
1.1K
During Piaget's concrete operational stage, from ages 7 to 11, children exhibit a marked increase in logical thinking skills, specifically in relation to tangible, real-world events. This stage is characterized by the development of several essential cognitive concepts, including conservation, reversibility, and classification, all of which support the child's evolving capacity for structured thought.
Conservation and Constancy of Quantity
A significant cognitive milestone in the...
Conservation and Constancy of Quantity
A significant cognitive milestone in the...
1.1K
Piaget's Stage 1 of Cognitive Development
1.7K
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
Exploration...
Exploration...
1.7K
Piaget's Stage 2 of Cognitive Development
917
The preoperational stage, the second of Jean Piaget's four stages of cognitive development, spans approximately ages 2 to 7 and is characterized by the emergence of symbolic thinking. During this stage, children use language, images, and symbols to represent objects and concepts, enabling them to engage in imaginative and pretend play. This symbolic thinking supports children's ability to perform make-believe actions, such as imagining a broom as a horse or their hand as a phone, blending...
917
Piaget's Stage 4 of Cognitive Development
635
The formal operational stage, as described in Piaget's cognitive development theory, begins around age 11 and extends into adulthood. It marks the emergence of advanced cognitive abilities that differentiate adolescent and adult thinking from those of younger children. This stage is characterized by abstract reasoning, hypothetical-deductive reasoning, and a more complex understanding of self and others.
Abstract Reasoning and Hypothetical-Deductive Thinking
Unlike the concrete operational...
Abstract Reasoning and Hypothetical-Deductive Thinking
Unlike the concrete operational...
635
Survival Curves
718
Survival curves are graphical representations that depict the survival experience of a population over time, offering an intuitive way to track the proportion of individuals who remain event-free at each time point. These curves are widely used in fields such as medicine, public health, and reliability engineering to visualize and compare survival probabilities across different groups or conditions.
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
The Kaplan-Meier estimator is the most common method for constructing survival curves. This...
718
Survival Tree
430
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
430


