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close| Location | Slovenia, Notranjska |
| Central coordinates | 14o 10.00' East 45o 47.00' North |
| IBA criteria | C6 |
| Area | 2,210 ha |
| Altitude | 530 - 568m |
| Year of IBA assessment | 2011 |
Ornithological information An important site for breeding Crex crex. A total of 63 bird species have been recorded, among them 45 breeders and a further seven possible breeders. The site is also nationally important for birds on migration.
Site description The Nanošèica river basin is situated in the lower Pivka valley near Postojna at the edge of a large depression. Habitats are relatively intact and undisturbed by man. The river has numerous meanders with well- preserved meadows, and small areas of reed and sedge. Pugled hill, in the middle of the site, supports relict remnants of neutral-soil beech Fagus forest. Because of the wet ground, extensive farming is possible only on the driest border of the site, and human settlement is concentrated here.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Corncrake Crex crex | breeding | 2000 | 30-40 breeding pairs | - | C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Nanošèica - poreèje - SI5000017 | Birds Directive | 1,941 | protected area overlaps with site | 1,317 | |
| Nanošèica - SI3000126 | Habitats Directive | 669 | protected area contained by site | 669 | |
| Notranjski trikotnik - SI3000232 | Habitats Directive | 15,202 | protected area is adjacent to site | 0 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest; Mixed woodland | 10% |
| Shrubland | Scrub | 10% |
| Grassland | Humid grasslands; Mesophile grasslands | 30% |
| Wetlands (inland) | Rivers and streams; Water fringe vegetation | 45% |
| Artificial landscapes (terrestrial) | Arable land | 5% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 80% |
| forestry | 5% |
| hunting | 5% |
| unknown | 10% |
Management considerations Large cattle-farms sometimes pollute nearby waters with liquid manure. Agricultural improvement and drainage of wet land should be controlled. Intensive ornithological and entomological research is planned.
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Nanoščica river basin. Downloaded from http://www.birdlife.org on 19/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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