Original scientific paper
Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands
; Zoologijski zavod, Biološki odsjek, Prirodoslovno-matematički fakultet u Zagrebu
APA 6th Edition
Dolenec, Z. (2019). Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands. Šumarski list, 143 (7-8), 352-352. https://doi.org/10.31298/sl.143.7-8.6
MLA 8th Edition
Dolenec, Zdravko. "Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands." Šumarski list, vol. 143, no. 7-8, 2019, pp. 352-352. https://doi.org/10.31298/sl.143.7-8.6. Accessed 28 May 2022.
Chicago 17th Edition
Dolenec, Zdravko. "Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands." Šumarski list 143, no. 7-8 (2019): 352-352. https://doi.org/10.31298/sl.143.7-8.6
Dolenec, Z. (2019). 'Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands', Šumarski list, 143(7-8), pp. 352-352. https://doi.org/10.31298/sl.143.7-8.6
Dolenec Z. Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands. Šumarski list [Internet]. 2019 [cited 2022 May 28];143(7-8):352-352. https://doi.org/10.31298/sl.143.7-8.6
Z. Dolenec, "Nestbox occupancy by the great tit (Parus major L.) in young deciduous forest stands", Šumarski list, vol.143, no. 7-8, pp. 352-352, 2019. [Online]. https://doi.org/10.31298/sl.143.7-8.6
Conservation of the biodiversity of the forest ecosystems is becoming one of the priority issues in the forest management. Birds play an important role in the overall life of the forest ecosystem, for instance, as an important component of the trophic chains. Recent studies worldwide suggest decline in the population size and richness of the forest bird species, especially those nesting in the cavity of the forest trees. Special emphasis is placed on the secondary cavity nesters. In contrast to the primary cavity excavators, which are making a tree cavity by themselves, secondary cavity nesters for their nesting use cavities made by the primary cavity excavators or natural cavities formed by gradual wood decay process. In order to maintain bird diversity in the forests with a lack of nesting cavities, installation of the nestboxes is an important strategy in many countries. This applies mainly to young deciduous, coniferous stands, and monocultural plantations and areas afforested with exotic tree species. In this paper, occupation of the nestboxes in the young deciduous stands was investigated. According to some researchers, the colour of the nestbox and its height above the ground could be important factors of the nestbox occupation in some bird species. In this study, a total of 120 standard wooden nestboxes were used (60 green and 60 brown). Nestboxes were installed in pairs on a single tree, at a height of 4.0 to 4.5 m (“high” position) and 2.0 to 2.5 m (“low” position). On the first tree, the green nestbox was in the “high” position, on the next tree in the “low” position and so on. The aim of this study was to determine the degree of occupancy of the nestboxes with a respect to the colour and the position on the tree. Because of the intra- and interspecific competition, only one of the nestbox pair was inhabited. Of the total 60 nestbox pairs, 44 (73.3%) nestboxes were occupied; 35 (79, 5%) by a Great Tit (Parus major) and 9 (20.5%) by a Blue Tit (Cyanistes caeruleus). Great Tits occupied mainly “green” nestboxes (88.6%), with no significant differences in the height position of the chosen nestbox. In conclusion, the colour of the nestboxes is more important factor than the height position on the tree during the occupation of the nestboxes by a Great Tit.
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