Data Zone
The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Greylag Goose Anser anser | LC | passage (1998–2002) | 400–2,500 birds | C3 |
| Gadwall Mareca strepera | LC | passage (1998–2002) | 800–1,200 birds | C3 |
| Black-crowned Night Heron Nycticorax nycticorax | LC | breeding (2001–2002) | 105–133 pairs | C6 |
| Common Tern Sterna hirundo | LC | breeding (2001–2002) | 50–72 pairs | C6 |
| Bluethroat Luscinia svecica | LC | breeding (2001–2002) | 30–50 pairs | C6 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2010) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2010 | very poor | not assessed | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| no | population | good | |
| State (condition of the trigger species' populations) | |||||
|---|---|---|---|---|---|
| Species | Actual vs Reference (units) | % remaining | Result | ||
| Greylag Goose Anser anser | 335 / 1,500 (birds) | 23 | very poor | ||
| Gadwall Mareca strepera | 56 / 260 (birds) | 22 | very poor | ||
| Black-crowned Night Heron Nycticorax nycticorax | 323 / 120 (pairs) | 100 | good | ||
| Common Tern Sterna hirundo | 47 / 55 (pairs) | 86 | moderate | ||
| Bluethroat Luscinia svecica | 40 / 40 (pairs) | 100 | good | ||
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1990 | Vrbenské rybníky | Prírodní rezervace (PR) (IV) | 5 |
| 1990 | Vrbenske rybniky | Nature Reserve (IV) | 4 |
| 1991 | Mokřiny u Vomáčků | Prírodní rezervace (PR) (IV) | 1 |
| 1991 | Velký Karasín | Prírodní památka (PP) (IV) | <1 |
| 1991 | Mokriny u Vomacku | Nature Reserve (IV) | 1 |
| 1991 | Velky Karasin | Natural Monument (IV) | <1 |
| 2013 | Hlubocké hráze | Prírodní památka (PP) (III) | <1 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Artificial/Terrestrial | major (>10) | Arable land |
| Wetlands (inland) | major (>10) | |
| Forest | minor (<10) | |
| Grassland | - |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | - |
| agriculture | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ceskobudejovicke rybniky ponds (Czechia). Downloaded from
https://datazone.birdlife.org/site/factsheet/ceskobudejovicke-rybniky-ponds-iba-czechia on 23/12/2024.