The White Stork bred in the former district of Łask in 1984 at a density of 5.16 pairs/100 km 2. The mean number of nestlings per nest occupied by a pair was 2.10 and the mean number of nestlings per nest with nestlings ...

In 1984 the nests of the White Stork in the area of the former Bełchatów District (734 km2) and a part of the former Sieradz District (about 720 km2) were investigated. Comparisons were based on questionnaire data from ...

Results of investigations on the distribution (dispersion) of nests and efficiency of breeding of the White Stork within the area of the former Wieluń District in 1974, 1983 and 1984 are compared. It was determined that ...

On the basis of the so far collected and/or published data on the White Stork of central Poland (the Łódź Upland) the authors undertook an attempt to explain the spatial and tem poral distribution of breeding efficiency, ...

Having analysed materials collected in the Łowicz District in 1968 1970, 1974, 1975, 1983 and 1984 the author proved the occurrence of a continuous increase in the number of nests which were not occupied by pairs and ...

The white Stork (Ciconia ciconia) bred in the communes Poddębice, Uniejów, Pęczniew and Zadzim (Central Poland) in 1984 at a density of 12.8 pairs/100 km2. The mean number of nestlings per nest occupied by a pair was 1.40 ...

A comparison of studies on the distribution and breeding efficiency of the White Stork in the Łęczyca District in 1968-1970, 1975 and 1984 is presented. In the analysed period, there occurred a significant increase in ...

The White Stork (Ciconia ciconia) bred in the former district of Kutno in 1985 at a density of 5.33 pairs/100 km 2. The mean number of nestlings per nest occupied by a pair was 2.24 and the mean number of nestlings per ...