生态系统联系:人为活动,环境变量和巨型植物构建人造水体中的牛偏好
Aspire Mudavanhu1, Emilie Goossens2, Ruben Schols3
1Department of Biological Sciences, Bindura University of Science Education, Bindura, Zimbabwe; Laboratory of Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium.
The Science of the total environment
|October 1, 2024
概括
在津巴布韦的池中研究了淡水牛生态和三动物感染率. 农业用地对牛的多样性产生负面影响,而特定的水生植物和水条件有利于携带疾病的牛.
科学领域:
- 淡水生态学 淡水生态
- 寄生虫学的寄生虫学
- 环境科学环境科学
背景情况:
- 淡水牛是形虫寄生虫的关键中间宿主,造成重大公共和兽医健康问题.
- 了解牛生态对于控制三病至关重要,但仍然不太了解,特别是在人造水体中.
研究的目的:
- 研究生态系统指标 (环境变量,宏无脊椎动物,巨型植物,土地利用) 与牛的丰富性,多样性和感染率之间的关系.
- 鉴定影响津巴布韦东部牛种类对虫组具有竞争力的分布和感染率的因素.
主要方法:
- 在津巴布韦东部的19个人造池中收集了来自10个物种的926只淡水牛.
- 评估的环境变量,巨植物覆盖面和土地使用类型.
- 使用切尔卡里亚分离和PCR来确定牛中形虫感染率.
主要成果:
- 确定了10种牛物种,其中包括5种schistosome-competent物种;11.2%的牛脱 cercariae,而PCR显示70.2%的三虫感染.
- 牛的多样性和感染率因土地使用而异,在商业烟草种植区的价值较低.
- 特定的巨型植物 (Lagarosiphon大) 和顺的条件 (高酸盐,度) 与某些牛物种的丰富性增加有关,包括疾病载体.
结论:
- 环境因素,巨型植物组成,土地利用和淡水牛种群之间存在复杂的相互作用.
- 农业实践,特别是商业农业,可能会对牛的生物多样性产生不利影响.
- 结果为人工水生生态系统的牛控制和疾病管理策略提供了洞察力.
更多相关视频
07:59A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH
Published on: August 1, 2018
9.0K
07:20Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea
Published on: September 5, 2018
7.7K
相关概念视频
Adaptations that Reduce Water Loss
25.2K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.2K
Responses to Drought and Flooding
10.6K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.6K
Biodiversity and Human Values
13.0K
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
13.0K
