在殖民无脊椎动物中呼吸的缩放
Patrick D Brown1, Elizabeth J Walsh1
1University of Texas at El Paso, Department of Biological Sciences, 500 West University Avenue, El Paso, Texas, 79968, USA.
概括
殖民地鸟表现出混合的能量优势证据,一些物种随着殖民地规模的增加而表现出较低的呼吸率. 这表明,在某些 rotifer 物种中,殖民性的潜在代谢益处.
科学领域:
- 生态生态学 生态生态学
- 进化生物学 进化生物学
- 动物学 动物学
背景情况:
- 殖民性可以提供能量效益,例如随着殖民地规模的增加而减少个体呼吸率.
- 预计这种现象将表现为呼吸的负度缩放,缩放因子小于1.
- 特别是殖民地鸟,对于这些全米缩放关系还没有得到广泛的研究.
研究的目的:
- 为了研究呼吸速率和殖民地大小之间的全度量缩放关系.
- 为了确定殖民的罗提弗是否表现出与殖民性相关的能量优势.
- 为了确定与殖民动物呼吸的全米缩放相关的特征.
主要方法:
- 测量了四种孤独的和三种殖民式的 rotifer 物种的呼吸速率.
- 基于殖民地大小的呼吸速率的估计缩放因子.
- 编译了各种殖民动物类型的现有缩放因子,并进行了分层混合回归分析.
主要成果:
- 发现了殖民鸟呼吸速率的全度量缩放的混合证据;三种殖民物种中有两种表现出它.
- 殖民时期的带有全度尺度的 (Conochilus hippocrepis, Lacinularia flosculosa) 具有广泛的粘真菌覆盖.
- 殖民地形状,共享的外动物结构和浮游生物的生活方式与殖民动物的全米缩放有关.
结论:
- 罗提弗的殖民性呈现出多样化的能量缩放,一些物种受益于降低的代谢成本.
- 粘菌覆盖可能促进殖民虫的代谢优势.
- 在更多殖民种群中了解全米缩放因子对于理解殖民性的好处至关重要.
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