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Diurnal activity patterns of three heron species in queen elizabeth national park, uganda

机译:乌干达伊丽莎白女王国家公园中三种鹭的日活动模式

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摘要

Observations of activities were carried out over 12 h periods on the Goliath Heron, Grey Heron and Great White Egret along the shores of Lake Edward and Kazinga Channel. Behaviour was classified into three major categories; foraging, loafing and other behaviour. For all three species. foraging went on throughout the daylight hours but the level was variable both in the dry and wet seasons nad between species. For all three speices. Overlap between species in foraging activity on an hourly basis was high during most ours of the day implying that ecological separation through temporal partitioning of daylight hours is negligible.
机译:在沿爱德华湖和卡津加海峡沿岸的巨苍鹭,灰鹭和大白鹭进行了长达12小时的活动观察。行为分为三大类:觅食,游荡和其他行为。对于所有三种。采食在白天全天进行,但在旱季和雨季,物种之间的水平都不同。对于所有这三种香料。在一天的大部分时间中,每小时进行一次觅食活动的物种之间的重叠率很高,这意味着通过白天的时间划分进行的生态隔离可以忽略不计。

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  • 来源
    《Ostrich》 |2000年第2期|共4页
  • 作者

    P.M.B.Kasoma;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 鸟纲;
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