大凤头Grebes (Podiceps cristatus)春季和夏季卵群的比较

IF 0.6 4区生物学 Q4 ZOOLOGY

Acta Zoologica Academiae Scientiarum Hungaricae Pub Date : 2020-10-29 DOI:10.17109/azh.66.4.393.2020

J. Rajchard, J. Navrátil, Ryan J. Frazier, E. Ježková, K. Marková

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引用次数: 0

摘要

捷克共和国南波希米亚Třeboň盆地集约化养殖的鱼塘中有大量的大冠Grebe (Podiceps cristatus)对，它们筑巢的时间比预期的春季晚，而不是在夏季，这可能与鱼塘养殖有关。双因素巢式方差分析显示，春季(5 - 6月)和夏季(7 - 8月)的季节窝产特征无显著差异。春季巢卵总积高与巢距减小和鱼塘巢数减少均有显著关系。夏巢总卵积的增加与离滨海植被边缘的距离显著相关。春、夏两季产蛋特性无显著差异，但春巢产蛋总量与夏巢产蛋量的其他特性有关。

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Comparison of spring and summer clutches of Great Crested Grebes (Podiceps cristatus)

The intensively farmed fishponds of the Třeboň Basin in South Bohemia, Czech Republic host a substantial number Great Crested Grebe (Podiceps cristatus) pairs that nest later than the expected spring season and instead in summer, which may be associated with fishpond farming. A two-factor nested ANOVA of Great Crested Grebe egg and clutch characteristics showed no differences between spring (May-June) and summer (July - August) seasonal clutches. High egg total volume in spring nests was significantly related to both decreasing distance between nests and decreasing number of nests on the fishpond. The increase of total egg volume in summer nests was significantly related to the distance to the edge of littoral vegetation. There is no substantial difference between spring and summer egg characteristics, but total egg volume in spring nests is dependent on other characteristics that those in summer nests.

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来源期刊

Acta Zoologica Academiae Scientiarum Hungaricae 生物-动物学

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Acta Zoologica Academiae Scientiarum Hungaricae publishes original works in the fields of animal taxonomy and systematics, zoogeography, animal ecology and behaviour, population biology, biodiversity studies and nature conservation problems of international interest. Short communications, check lists, catalogues or new species records for a given region are not in focus of the scope of the journal.