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Article
Joanna Czarnecka, Auteur ; Jerzy Karg, Auteur ; Leszek Jerzak, Auteur ; Marcin Bocheński, Auteur ; Piotr Profus, Auteur ; Zofia Książkiewicz, Auteur ; Karol Zub, Auteur ; Anna Ekner-Grzyb, Auteur ; Grzegorz Orłowski, AuteurDiplochory is a process which can considerably increase the dispersal distance of a propagule. We studied the process of diplochory mediated by the White Stork (Ciconia ciconia) in the highly fragmented and intensively used agricultural landscap[...]
Article
Grzegorz Orłowski, Auteur ; Joanna Frankiewicz, Auteur ; Jerzy Karg, AuteurDirect observational studies are needed to address dietary adjustment in species breeding in isolated non-forest habitat islands with respect to the energy demands of growing nestlings and breeding patch size. Using new dietary records determine[...]
Article
Grzegorz Orłowski, Auteur ; Andrzej Wuczyński, Auteur ; Jerzy Karg, Auteur ; Wojciech Grzesiak, AuteurThe dietary adjustment of nestlings of granivorous birds to a seed diet and the different morphological characteristics of ingested food have rarely been examined in natural conditions. It has been suggested that the provision of cereal grains t[...]
Article
Grzegorz Orłowski, Auteur ; Zofia Książkiewicz-Parulska, Auteur ; Jerzy Karg, Auteur ; Marcin Bocheński, Auteur ; Leszek Jerzak, Auteur ; Karol Zub, AuteurEarthworms (Oligochaeta, Lumbricidae) form a significant component of the food web and are the staple diet of many higher-trophic-level predators, such as invertebrate-feeding birds and mammals. Their almost complete digestion in the predator'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 ; Jerzy Karg, Auteur ; Joanna Czarnecka, AuteurCapsule Analysis of droppings revealed 56% animal items, 41% plant items and 3% mineral items.
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[...]
