التفاصيل البيبلوغرافية
| العنوان: |
Zur Haltbarkeitsdauer der Exuvien von Aeshna mixta (Odonata: Aeshnidae) am Schlupfsubstrat. (German) |
| Alternate Title: |
Stability duration of exuviae of Aeshna mixta (Odonata: Aeshnidae) at the emergence site. (English) |
| المؤلفون: |
Mauersberger, Rüdiger |
| المصدر: |
Libellula; 2022, Vol. 41 Issue 1/2, p69-76, 8p |
| مصطلحات موضوعية: |
AESHNA, TYPHA, AESHNIDAE, SPECIES, LAKES, ODONATA, BIOLOGICAL specimens, PHRAGMITES, INSECTS, PHRAGMITES australis |
| مستخلص: |
The study site was a reed belt of a small shallow lake in the north of Brandenburg (Germany) consisting of Phragmites australis and Typha angustifolia with a very high emerging abundance of Aeshna mixta in the year 2021 where exuviae of this species were counted recurrently from the main emergence period onwards to the disappearance of all specimens. The number of traceable exuviae was decreasing exponentially. After two weeks less than one third of the exuviae could be observed again, 19% were still detected after 30 days, the last one was found after 136 days. The average duration was 16,3 days. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
