料品味剂通过修改高山草中雅克的放牧行为来管理植物群落
Luji Ade1, Jingfei Ren1, Jing Wu1
1State Key Laboratory of Grassland Argo-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China.
The Science of the total environment
|January 19, 2024
概括
味道剂如盐和甜味剂改变了牲畜的放牧,影响了草原植物群落. 然而,苦药增加了西藏高山草原的植物生物质和社区稳定性.
科学领域:
- 生态科学 生态科学
- 牧场管理 牧场管理
- 动物行为 动物行为
背景情况:
- 味道剂为管理牲畜放牧行为提供了一种新的方法.
- 目前对味道剂对草原植物群落的影响的了解有限.
- 研究这些影响对于可持续的牧场管理至关重要.
研究的目的:
- 通过改变牲畜料摄入量来确定不同味道剂如何影响植物群体结构.
- 阐明这些对植物群落影响的潜在机制.
- 测试有关口味剂对料摄入量,生物质和物种相互作用的影响的假设.
主要方法:
- 在西藏高原的高山草原上,使用雅克进行了一项放牧实验.
- 治疗包括丹酸 (苦药),NaCl (盐),环酸盐 (甜味剂) 和对照剂 (自来水).
- 药物每年喷两次,并测量了对料摄入量,植物生物质和社区指数的影响.
主要成果:
- 盐显著增加了雅克的料摄入量,而苦药则减少了它并增加了植物生物量.
- 盐的应用导致了Pielou指数的显著增加,表明了变化的物种均性.
- 植物群体的稳定性排名是:控制 > 苦味剂 > 甜味剂 > 盐;苦味剂和盐改善了放牧耐受性.
结论:
- 味觉剂可以调节草原植物社区结构和物种相互作用.
- 苦味剂和盐会影响放牧耐受性和料的食用性.
- 这些发现为在生物多样性管理和草原恢复中使用味道剂提供了基础.
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