模拟的热浪影响了两种同源的Gregarious Larval-Pupal Endoparasitoids的发展
Lizhi Wang1, Yanli Zhao1, Zhihui Jiao1
1State Key Laboratory of Agricultural and Forestry Biosecurity, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
Insects
|January 28, 2026
概括
气候变化引起的热浪会影响寄生虫黄蜂. 即使短时间的热浪暴露也会影响Oomyzus scaposus和O. spiraculus的繁殖规模,性别比例和体重,这对食物链的稳定性至关重要.
科学领域:
- 生态学和气候变化
- 昆虫生物学和寄生虫研究.
- 昆虫学 昆虫学是一门学科.
背景情况:
- 气候变化正在全球范围内增加极端高温事件.
- 较高的热量级容易受到温度变化的影响,影响食物网.
- 关于热浪影响,第四热层的寄生虫研究不足.
研究的目的:
- 研究实验热浪持续时间对两个寄生虫物种Oomyzus scaposus和O. spiraculus的影响.
- 评估对幼大小,性别比,发育时间和体重的影响.
- 了解食物链末端成员对气候变化的脆弱性.
主要方法:
- 应用了不同持续时间的实验热浪治疗.
- 测量了Oomyzus scaposus和O. spiraculus的发展和性能指标.
- 这项研究的重点是七点母鸟Coccinella septempunctata的寄生虫.
主要成果:
- 热浪治疗对这两种寄生虫物种的繁殖规模产生了负面影响.
- 奥米兹斯·斯卡波苏斯 (Oomyzus scaposus) 的性别比例发生了变化,发育加速,热浪持续1小时.
- 在3小时的热浪条件下,Oomyzus scaposus的身体质量减少了.
结论:
- 这两种Oomyzus物种都对热浪持续时间表现出敏感性.
- 即使是短暂的每日热量暴露也会显著影响寄生虫的表现.
- 研究结果强调了气候变化对昆虫种群和食物网的生态风险.
相关概念视频
01:24Role of Affect in Interpersonal Attraction
219
Affect plays a crucial role in shaping interpersonal evaluations and perceptions. Emotions influence how individuals judge and respond to others, often determining whether interactions are viewed positively or negatively. This effect can manifest directly through interactions with the person in question or indirectly via associations with unrelated emotional experiences.Direct Effects of Affect on AttractionAffect directly influences interpersonal attraction when a person’s behavior...
219
01:29The Influence of Affect on Cognition
277
Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
277
01:29The Influence of Cognition on Affect
200
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
200
02:27Background and Environment Affect Phenotype
7.7K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
7.7K
01:43Sustainable Development
15.1K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.1K
01:15Development of the Lymphatic System
2.1K
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
2.1K