La Tour du Valat

Article

Delayed, not fully complete, and retarded wing-moult in November/December of a Tufted Duck Aythya fuligula

Peter Koehler, Auteur ; Ursula Koehler, Auteur

Dans Ornithologischer Anzeiger (45(1) AUG 2006)

An adult female Tufted Duck was captured flightless November 22nd, 2005, at the RAMSAR-site "Ismaninger Speichersee mit Fischteichen", near Munich, Upper Bavaria, Southern Germany. Both primaries 10 and the right-side P 9 were old/retained, the [...]

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Article

Extension of the known non-breeding range of the Bar-tailed Godwit (Limosa lapponica) in southern Africa: A major wintering site in Mozambique

Peter Koehler, Auteur ; Ursula Koehler, Auteur

Dans Vogelwarte (40(1-2) Oct., 1999)

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Article

Ferruginous Ducks Aythya nyroca at "Ismaninger Speichersee and Fischteiche": Counts of moulting birds for the years 2003 to 2007 and suspected breeding in 2007.

Peter Koehler, Auteur ; Ursula Koehler, Auteur ; Eberhard von Krosigk, Auteur ; Burkhard Hense, Auteur

Dans Ornithologischer Anzeiger (46(2-3) DEC 2007)

For more than fifty years, Ferruginous Ducks have migrated to this Ramsar site near Munich, Upper Bavaria, Germany, to moult flight-feathers between July and September. From 2003 to 2007, counts averaged twelve (six to twenty five) moulting bird[...]

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Article

[Influence of varied carp stock on the distribution of moulting waterfowl in the fish pond area of Ismaninger Teichgebiet between 1996 and 1999]

Ursula Koehler, Auteur ; Peter Koehler, Auteur ; Ursula Firsching, Auteur ; Eberhard von Krosigk, Auteur

Dans Ornithologischer Anzeiger (39(2-3) September, 2000)

A significant reduction of nutrients in the waters of the Ramsar-site "Ismaninger Speichersee mit Fischteichen" caused a reduced production of food for the waterfowl populations moulting there. Since 1994, some species decreased dramatically, ma[...]

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Article

Review of the "Ismaninger Speichersee mit Fischteichen" 2002-2008 following Rarnsar- and IBA- Criteria.

Ursula Koehler, Auteur ; Peter Koehler, Auteur

Dans Ornithologischer Anzeiger (48(3) DEC 2009)

Meeting criteria 4, 5, and 6 of the Ramsar Convention, "Ismaninger Speichersee mit Fischteichen", a reservoir with adjacent ponds, Southern Germany, Continues to be a wetland of international importance. In the years 2002-2008, the site supporte[...]

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