File:PuddleWithTadpoles.jpg

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Description
English: Small pool (= puddle) in a gravel pit – habitat of tadpoles from the Natterjack Toad, Epidalea (Bufo) calamita.
Deutsch: Episodischer Tümpel (Regenwasserpfütze) in einer Kiesgrube – Lebensraum von Kaulquappen der Kreuzkröte, Epidalea (Bufo) calamita. Die Gefahr des vorzeitigen Austrocknens nimmt diese Lurchart "bewusst" in Kauf; dafür findet die Entwicklung in dem nur wenige Zentimeter flachen, warmen Gewässer besonders schnell statt und es gibt keine aquatilen Fressfeinde oder Nahrungskonkurrenten. Das Nahrungsangebot ist allerdings auch knapp – hauptsächlich organische Schweb- und Sinkteilchen (Detritus) und Algen, gelegentlich ein toter Artgenosse. Das Vorhandensein sehr unterschiedlich großer Kaulquappen deutet hier auf mindestens zwei zeitlich versetzte Laichvorgänge hin.
Date
Source Own work. Location: North-eastern Lower Saxony, Germany.
Author Christian Fischer
Other versions See also a close-up:
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Attribution: Christian Fischer
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5 June 2010

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current05:38, 13 June 20103,008 × 2,000 (1.57 MB)Fice{{Information| |Description= '''''English:''''' Small pool (= puddle) in a gravel pit - habitat of tadpoles from the '''Natterjack Toad''', ''Bufo calamita''. '''''Deutsch:''''' Episodischer Tümpel (Regenwasserpfütze) in einer Kiesgrube - Lebesraum

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