| Zugstnr. | 771 |
| Name | Urdorf, Rückhaltebecken, Birmensdorferstrasse |
| Kantonale Objektnummer | 127 |
| Gemeinde | Urdorf (ZH) |
| X-Koordinaten / Y | 674440 / 247540 |
| Gesamtlänge der Zugstelle | 0 Meter |
| Länge der Schutzmassnahmen | 250 Meter |
| Kontaktperson | Urs Hilfiker, , 8902 Urdorf , adebar@vtxmail.ch |
| Freiwillige gesucht? | Nein |
| Massnahmen |
Keine Massnahme Massnahme unbekannt Temporäre Massnahmen Permanente Installation |
| Zustand der Zugstelle | Mobilzaun betreut |
| Temporäre Massnahmen |
Amphibienzaun Signaltafel (Schild "Achtung Amphibien") |
| Zaunmaterial |
Netz-/Gitterzaun |
| Jahr | Grasfrosch | Erdkröte | Bergmolch | Fadenmolch | Feuersalamander | Wasserfrosch-Komplex | Andere Amphibien | Total | Tote Tiere |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 59 | 17 | 19 | 9 | 0 | 0 | 0 | 104 | |
| 2024 | 117 | 10 | 58 | 21 | 0 | 0 | 0 | 206 | 15 |
| 2023 | 312 | 15 | 78 | 39 | 0 | 0 | 0 | 444 | |
| 2022 | 57 | 26 | 58 | 13 | 0 | 0 | 0 | 154 | |
| 2021 | 110 | 7 | 35 | 8 | 0 | 0 | 0 | 160 | 2 |
| 2020 | 86 | 13 | 35 | 6 | 0 | 0 | 0 | 140 | 2 |
| 2019 | 89 | 18 | 33 | 9 | 0 | 0 | 0 | 149 | |
| 2018 | 127 | 17 | 56 | 8 | 0 | 0 | 0 | 208 | |
| 2017 | 106 | 15 | 55 | 7 | 0 | 0 | 0 | 183 | |
| 2016 | 32 | 40 | 14 | 2 | 0 | 0 | 0 | 88 | |
| 2015 | 41 | 30 | 45 | 2 | 0 | 0 | 0 | 118 | |
| 2014 | 10 | 12 | 16 | 0 | 0 | 0 | 0 | 38 | |
| 2013 | 36 | 18 | 30 | 0 | 0 | 0 | 0 | 84 | |
| 2012 | 8 | 16 | 27 | 0 | 0 | 0 | 0 | 51 | |
| 2011 | 32 | 30 | 30 | 0 | 0 | 0 | 0 | 92 | 3 |
| 2010 | 30 | 32 | 30 | 0 | 0 | 0 | 0 | 92 | |
| 2009 | 58 | 18 | 35 | 0 | 0 | 0 | 0 | 111 | |
| 2008 | 24 | 55 | 24 | 0 | 0 | 0 | 1 | 104 | |
| 2007 | 99 | 15 | 26 | 0 | 0 | 0 | 0 | 140 | |
| 2006 | 60 | 27 | 6 | 0 | 0 | 0 | 0 | 93 | |
| 2005 | 56 | 22 | 0 | 0 | 0 | 0 | 13 | 91 | 0 |
| 2004 | 114 | 14 | 0 | 0 | 0 | 0 | 91 | 219 | 0 |
| 1977 | 34 | 68 | 0 | 0 | 0 | 0 | 0 | 102 | 0 |
| 1976 | 3 | 334 | 0 | 0 | 0 | 0 | 1 | 338 | 0 |
| 1975 | 2 | 199 | 0 | 0 | 0 | 0 | 1 | 202 | 0 |