• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Climate Change Responses >Food storage in a changing world: implications of climate change for food-caching species
【24h】

Food storage in a changing world: implications of climate change for food-caching species

机译：不断变化的世界中的粮食储存：气候变化对粮食储存物种的影响

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Food caching is a behavioural strategy used by a wide range of animals to store food for future use. When food is stored, it is susceptible to environmental conditions that can lead to spoilage via microbial proliferation or physical and chemical processes. Given that the nutrition gained from consuming cached food will almost always be less than consuming it immediately upon capture, the degree of degradation will play a central role in determining the ecological threshold at which caching is no longer profitable. Our framework proposes that the degree of susceptibility among caching species is based primarily on the duration of storage, and the perishability of stored food. We first summarize the degree of susceptibility of 203 vertebrate caching species. Thirty-eight percent (38%) of these species are long-term cachers (>10 days) but only 2% are both long-term cachers and store highly perishable food. We then integrate insights from the fields of applied food science and plant biology to outline potential mechanisms by which climate change may influence food-caching species. Four climatic factors (temperature, number of freeze-thaw events, deep-freeze events and humidity) have been shown to affect the degradation of food consumed by humans and are also expected to influence the quality of perishable food cached in the wild. Temperature and moisture are likely important factors influencing seemingly nonperishable seeds. Although we are able to provide broad classifications for caching species at risk of climate change, an improved understanding of how environmental conditions affect the quality and persistence of cached food may allow us to better predict the impact of changing climatic conditions on the fitness of food-caching animals.
机译：食物缓存是一种行为策略，被许多动物用来存储食物以备将来使用。储存食物时，食物容易受到环境条件的影响，可能会因微生物繁殖或物理和化学过程而变质。鉴于从食用缓存食品中获取的营养几乎总是少于捕获后立即食用的营养，因此降解程度将在确定不再有利于缓存的生态阈值方面发挥核心作用。我们的框架建议，缓存物种之间的易感性程度主要基于存储的持续时间以及所存储食物的易腐性。我们首先总结了203种脊椎动物缓存物种的敏感性程度。这些物种中有38％（38％）是长期藏匿者（> 10天），但只有2％既是长期藏匿者，又存储易腐烂的食物。然后，我们将来自应用食品科学和植物生物学领域的见解进行整合，以概述气候变化可能影响食物保存物种的潜在机制。已经显示出四个气候因素（温度，冻融事件的数量，深冻事件和湿度）会影响人类消耗的食物的降解，并且还有望影响野外储存的易腐食物的质量。温度和湿度可能是影响看似不易腐烂的种子的重要因素。尽管我们能够为缓存有气候变化风险的物种提供广泛的分类，但是，对环境条件如何影响缓存食品的质量和持久性的深入了解可以使我们更好地预测气候条件变化对食物适应性的影响-缓存动物。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号