郊区貉秋季食物习性是否存在性别差异？

IF 0.8 4区生物学 Q3 ZOOLOGY

Mammal Study Pub Date : 2021-11-10 DOI:10.3106/ms2020-0079

Ayaka Hasegawa, Y. Goto, K. Yamazaki

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引用次数: 0

摘要

摘要我们通过对在茨城县国道上死亡的64只貉（雄性，n=31；雌性，n=33）的胃内容物进行采样，研究了貉秋季（9-11月）的饮食习惯。我们的目的是研究郊区貉秋季饮食习惯的性别差异，在郊区，貉可能会受到与人类相关的干扰。果实和昆虫的出现频率（FO）和体积百分比（PV）在雄性和雌性中都很高，垃圾的出现频率和体积百分比在雄性和雄性中都很低。在食物项目上，性别之间没有显著差异。成年和一岁儿童的FO和PV在性别之间没有显著差异。这可能是因为即使在郊区，雄性和雌性也可能使用同一区域，而且它们都可能以栖息地内最丰富的食物资源为食。

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Are there Sexual Differences in the Autumn Food Habits of Raccoon Dogs (Nyctereutes procyonoides) in Suburban Area?

Abstract. We studied the autumn (September–November) food habits of the raccoon dog (Nyctereutes procyonoides) by sampling the stomach contents of 64 individuals (male, n = 31; female, n = 33) killed on national roads in Ibaraki Prefecture. Our aim was to examine sex differences in the autumn food habits of raccoon dogs in suburban area where human related disturbances can occur on the raccoon dogs. The frequency of occurrence (FO) and the percent volume (PV) of fruits and insects were high for both males and females and FO and PV of garbage were low for both males and females. There were no significant differences between the sexes for food items. FO and PV were not significantly different between sexes for adults and yearlings. This is likely because males and females may use the same area even in suburban area, and they likely both forage on the most abundant food resources that are easily accessible within their habitats.

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来源期刊

Mammal Study ZOOLOGY-

CiteScore

1.70

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mammal Study is the official journal of the Mammal Society of Japan. It publishes original articles, short communications, and reviews on all aspects of mammalogy quarterly, written in English.