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Kan de das het Dijleland herkoloniseren? Een inschatting via een habitat- en connectiviteitsanalyse. University of Antwerp
De Das was tot 1950 in het Dijleland, de streek tussen Leuven en Brussel, een algemene verschijning. Enkele decennia geleden werd hij echter uitgeroeid. Om gerichte herstelmaatregelen aan zijn leefgebied te kunnen uitvoeren, werd een habitat- en connectiviteitsanalyse uitgevoerd. Dit artikel schat de kansen in van de terugkeer van de Das in het Dijleland vanuit verschillende bronpopulaties in Wallonië en Vlaanderen.
Postfledging family space use in great tits in relation to environmental and parental characteristics University of Antwerp
Parental care has been widely studied in birds and mammals, but variation in space use in family groups has received less attention, despite its potential importance for both survival and subsequent dispersal of offspring. In this study, we evaluate factors affecting postfledging family space use in a small territorial songbird, the great tit (Parus major). Family space use was monitored using radio tracking. Our main objectives were 1) to ...
Multiple responses to increasing spring temperatures in the breeding cycle of blue and great tits (**Cyanistes caeruleus, Parus major**) University of Antwerp
Many bird species start laying their eggs earlier in response to increasing spring temperatures, but the causes of variation between and within species have not been fully explained. Moreover, synchronization of the nestling period with the food supply not only depends on first-egg dates but also on additional reproductive parameters including laying interruptions, incubation time and nestling growth rate. We studied the breeding cycle of two ...
De Waterrietzanger in Vlaanderen University of Antwerp
Mild stress during development affects the phenotype of great tit **Parus major** nestlings: a challenge experiment University of Antwerp
Conditions experienced during early development may affect both adult phenotype and performance later during life. Phenotypic traits may hence be used to indicate past growing conditions and predict future survival probabilities. Relationships between phenotypic markers and future survival are, however, highly heterogeneous, possibly because poor- and high-quality individuals cannot be morphologically discriminated when developing under good ...
Family movements before independence influence natal dispersal in a territorial songbird University of Antwerp
Dispersal behaviour in territorial species is typically assumed to be independent of parental behaviour except for the possible role of parental eviction from the natal territory. Great tits defend exclusive territories at the onset of breeding but after fledging undertake substantial excursions with dependent offspring, sometimes covering distances equivalent to ten or more breeding territories and even moving across open spaces into ...
Habitatrichtlijnen en natuurstudie University of Antwerp
Opmaak en uitwerking van een ecologisch landschapsmodel als modelmatig beheersinstrument voor de ecologische infrastructuur in de Antwerpse Haven University of Antwerp
The design of artificial nestboxes for the study of secondary hole-nesting birds: a review of methodological inconsistencies and potential biases University of Antwerp
The widespread use of artificial nestboxes has led to significant advances in our knowledge of the ecology, behaviour and physiology of cavity nesting birds, especially small passerines. Nestboxes have made it easier to perform routine monitoring and experimental manipulation of eggs or nestlings, and also repeatedly to capture, identify and manipulate the parents. However, when comparing results across study sites the use of nestboxes may also ...