Influential factors on the scatter hoarding of rodents

Abstract

Abstract: Scatter hoarding,employed by a variety of rodents,can play a positive role in seedling recruitment,plant regeneration,succession of communities and the maintenance of ecosystem.In order to maximize the benefit from food-hoarding,rodents will manage their caches through various ways,e.g.,optimal transporting distances,distributing their caches in wide space in an optimal density,and minimizing the loss of hoarded food.Many factors potentially influence the management of scatter-hoarded food of rodents,which can be classified into internal and external factors.The internal factors refer to sex,age and social relationship,while the external factors may include food characteristics,competition and pilferage,environmental conditions,and so on.These factors are correlated functionally rather than independently.Protocols of experiments within enclosures or arena can affect not only the food-hoarding and management of rodents but also the results of studies.Some important factors,such as predation risk,age and sex of animal,should be considered in the future studies.The more we learn about the management of scatter hoarding,the better understanding we will have on the interaction between rodents and various plants.

Key words: Chlorella vulgaris, Active substance, Extraction, Saccharomycete, Physiological effects

CLC Number:

Q958

LU Jiqi, ZHANG Zhibin . Influential factors on the scatter hoarding of rodents[J]. cje, 2005, (3): 283-286.

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