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| Content Provider | Springer Nature Link |
|---|---|
| Author | Dyrcz, Andrzej Wink, Michael Backhaus, Astrid Zdunek, Wanda Leisler, Bernd Schulze Hagen, Karl |
| Copyright Year | 2002 |
| Abstract | Aquatic Warblers show a promiscuous mating system and males do not help the female to incubate eggs or feed nestlings. Paternity was determined in 64 broods in the Biebrza basin (NE Poland) studied in 1993, 1994 and 1997 by microsatellite PCR analysis. A total of 14 broods had been sired by a single male and 50 by two and more males (multiple paternity 78.1%); a maximum of 5 fathers was detected in 4 broods (7.8 % of broods), which indicated that almost every young in these broods had been sired by a different father. Few significant performance differences could be found between broods sired by a single male and ones having several fathers. Broods with single paternity were begun significantly earlier than multipaternal broods. The frequency of multiple paternity varied between years, i. e. 54.5 % in 1993, 87.5 % in 1994 and 92.3 % in 1997. Females with long wings or short bills had broods sired by a larger number of males.Seggenrohrsänger haben ein promiskes Paarungssystem und Mannchen beteiligen sich nicht an der Brutpflege. Mittels Mikrosatelliten-PCR wurden die Vaterschaften von 64 Bruten der Jahre 1993, 1994 und 1997 aus dem Biebrza-Gebiet (NE-Polen) bestimmt. 14 Bruten stammten von jeweils einem Mannchen, in 50 Bruten waren mehr als ein Vater vertreten (multiple Vaterschaft 78,1 %). In fünf Bruten (7,8 % aller Bruten) stammten die Jungvogel von fünf verschiedenen Vätern. Die Häufigkeit mehrfacher Vaterschaften variierte zwischen den Jahren: 54,5 % — 1993, 87,5 % — 1994, 92,3 % — 1997. Wenige Korrelate zu Bruten mit einem Vater bzw. mehreren Vätern konnten gefunden werden. Bruten mit einem Vater wurden jahreszeitlich signifikant früher begonnen als Bruten mit mehrfacher Vaterschaft. Weibchen mit Bruten, die von mehreren Mannchen stammten, hatten längere Flügel und kürzere Schnäbel. |
| Starting Page | 430 |
| Ending Page | 439 |
| Page Count | 10 |
| File Format | |
| ISSN | 00218375 |
| Journal | Journal für Ornithologie |
| Volume Number | 143 |
| Issue Number | 4 |
| e-ISSN | 14390361 |
| Language | German |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | mating system promiscuity microsatellite PCR analysis Animal Ecology Evolutionary Biology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology |
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