Détail de l'auteur
Documents disponibles écrits par cet auteur (12)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Grzegorz Orlowski, Auteur ; Joanna Czarnecka, Auteur ; Artur Golawski, AuteurCapsule Composition of Yellowhammer diet differed significantly between two major habitat categories: semi-natural (fallow lands, abandoned grassland and road verges) and agricultural habitats (managed fields, stubble fields and manure heaps). S[...]
Article
Grzegorz Orlowski, Auteur ; Jerzy Karg, AuteurCapsule We found significant differences in the composition and diversity of diet among House Martins, Barn Swallows and Swifts breeding in the same village in Poland.Aims To evaluate the character and extent of diversity, specialization and ove[...]
Article
Grzegorz Orlowski, Auteur ; Jerzy Karg, AuteurCapsule The presence of farm animals increases the amount of larger insect prey (mainly large Diptera and Coleoptera) and decreases the proportion of smaller prey (Hymenoptera). Aims To determine the relationships between presence of farm animal[...]
Article
Grzegorz Orlowski, Auteur ; Joanna Czarnecka, Auteur ; Marek Panek, AuteurCapsule Diet composition differed significantly between winter cereals, winter oil-seed rape, stubble fields and permanent fallows. Aims To determine the composition of the diet of Grey Partridges in autumn and winter in four agricultural land-c[...]
Article
Grzegorz Orlowski, Auteur ; Joanna Czarnecka, Auteur ; Marek Panek, AuteurCapsule Diet composition differed significantly between winter cereals, winter oil-seed rape, stubble fields and permanent fallows. Aims To determine the composition of the diet of Grey Partridges in autumn and winter in four agricultural land-c[...]
Article
Grzegorz Orlowski, Auteur ; Jerzy Karg, Auteur ; Joanna Czarnecka, AuteurCapsule Analysis of droppings revealed 56% animal items, 41% plant items and 3% mineral items.
Article
Grzegorz Orlowski, AuteurCapsule The number of territories of birds nesting in abandoned crop fields was most strongly positively affected by field size and the presence of a railway embankment. Aims To assess the influence of different habitat features on the number of[...]
Article
Grzegorz Orlowski, Auteur ; Zbigniew Kasprzykowski, Auteur ; Zbigniew Zawada, Auteur ; Grzegorz Kopij, AuteurStomach content was examined in 53 out of 56 dead Rook Corvus frugilegus nestlings found in several breeding colonies in Poland. The stomachs contained 29 different types of items, 46.5% of which were animal, 12.2% plant and 41.2% mineral (small[...]
Article
Grzegorz Orlowski, Auteur ; Jerzy Karg, Auteur ; Joanna Czarnecka, AuteurAnalyses of faeces of the Black Redstart Phoenicurus ochruros from the countryside of south-western Poland revealed a significant increase in the proportion of plant items (mainly berries of Sambucus nigra/racemosa) between July and October; for[...]
Article
Grzegorz Orlowski, Auteur ; Zbigniew Kasprzykowski, Auteur ; Wojciech Dobicki, Auteur ; Przemyslaw Pokorny, Auteur ; Ryszard Polechonski, AuteurLevels of copper, zinc, and arsenic were analyzed in the Rook Corvus frugilegus eggshells from 43 breeding colonies located in different parts of Poland. The average [95% confidence interval (CI)] level of copper was found to be 8.13 (0.64-15.62[...]
Article
Grzegorz Orlowski, Auteur ; Joanna Czarnecka, AuteurThe endozoochorous dispersal of weed seeds, mediated by birds and without any adaptation to frugivory, has been studied very rarely. We studied the endozoochorous dispersal of viable seeds by the grey partridge Perdix perdix in agricultural land[...]
