| 连环湖绿翅鸭春季食性的初步分析 |
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| 引用本文： | 徐怀亮 高继宏. 连环湖绿翅鸭春季食性的初步分析[J]. 四川农业大学学报, 1999, 17(1): 58-60 |
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| 作者姓名： | 徐怀亮 高继宏 |
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| 作者单位： | 东北林业大学野生动物资源学院 |
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| 摘 要： | 通过对１０只绿翅鸭（Ａｎａｓｃｒｅｃｃａ）食道及胃内未消化或半消化食物进行初步分析，结果表明，在连环湖的春季（４～５月），绿翅鸭以植物性食物为主，动物性食物次之。按鸭数百分比计，取食植物性食物的鸭数占１００％（食物频率为１），取食动物性食物的鸭数占４０％（食物频率为０４）；按体积百分比计，在绿翅鸭食道及胃中，植物性食物占总食量的７９４％，动物性食物１８７％。
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| 关 键 词： | 绿翅鸭 食性分析 连环湖 |
PRELIMINARY STUDY ON THE SPRING FEEDING ECOLOGY OF GREEN-WINGED TEAL IN LIANHUANHU |
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| Xu Huailiang Gao Jihong. PRELIMINARY STUDY ON THE SPRING FEEDING ECOLOGY OF GREEN-WINGED TEAL IN LIANHUANHU[J]. Journal of Sichuan Agricultural University, 1999, 17(1): 58-60 |
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| Authors: | Xu Huailiang Gao Jihong |
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| Abstract: | In-digested or semi-digested food was analysed preliminarily in the esophagus and stomach of ten Green-Winged Teals (Anas crecca). The obstained results indicates that, in sp ring ofLianhuanhu (April to May), plants are the main food of Green-Winged Teal, animals are secondary. by teal number percentage, the number of teals to acquire plants account for 100% (food frequency is one), and animals 40% (food frequency is zero point four). by volume percentage, in the esophagus and stomach of Green-Winged Teal, plants are the total amount of 79 4%, animals are only 18 7%. |
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| Keywords: | GREEN-WINGED TEAL FEEDING ECOLOGY LIANHUANHU. |
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