General Information | |
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Data owner | Evolutionary Ecology Group, University of Antwerp, Belgium |
Contact | TBD if we include this |
Institution | Evolutionary Ecology Group, University of Antwerp, Belgium |
Conditions of use/Licence | NA |
Data available via pipeline | Yes |
Quality check of the original data | Raw data are entered in the field through an app which has checks on entries and values. Data are imported into import tables into the SAS database. Brood data are checked manually. Brood and captured data are checked by a multitude of SAS scripts to check for known types of errors and incomplete data, and for conflicts with existing data in the main database. After all checks, data are added to the main database. During analyses and data delivery, data are continuously checked and cross-checked, and inconsistensies are corrected if needed. |
Study site | |
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Name | Boshoek, Belgium |
Size (ha) | >1000 |
Major site changes | No |
Latitude | 51°08' N |
Latitude | 4°31' E |
Number of nest boxes (min) | 155 |
Number of nest boxes (max) | 437 |
Vegetation Type | Deciduous |
Description of study site | Managed forest with dense mature stands of oak Quercus robur, patch TU composed of beech, larch and some oak. Main set of plots: 12 small patches of managed forest (total surface 49 hectare, plot size from 0.25 to 11.9 ha), very similar to each other, but separated by open space (grassland, fields, residential areas, roads, poplar stands without nestboxes). Local recruitment is high, due to comparatively low dispersal and high capture rates. Areas and nestboxes: see plot descriptions. In main plots number of nestboxes = 421 (4 to 96 per plot); Boxes at ca. 1.5m height in most plots, at 2-3m in KB only. 2/3 of boxes had 32mm opening, 1/3 had 26mm opening from 1994 to 2015; from 2016 all had 32mm openings. In 1994 and 1995 area TU was only partly covered. Apart from the 12 main plots several other plots had nestboxes for variable number of years and periods. |
Species | |
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Species | Parus major, Cyanistes caeruleus, Ficedula hypoleuca, Sitta europea |
Start year | 1994 |
End year | NA |
Continuous collection of data | Yes |
Gap years | NA |
Longest data collection | 25 |
Parental ID's recorded | Yes |
List of basic breeding data collected | Lay date, clutch size, brood size, number fledged, |
Description of the protocols for breeding data collection | A breeding attempt is defined as any nest in which at least one egg was laid. Attempts stopped during the nest building phase are not included in the database. |
Description of the protocols for taking individual level measurements | All capture data, i.e. all occasion in which a bird is handled or its location and status as recorded by electronic devices (e.g. radio-transmitter, pit-tag, …), are collected. |
Experimental manipulations | No |
Description of experimental manipulations | NA |
Predation events recorded | No |
How are second clutches recorded? | Broods are given 10 classifications:
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Catching data | |
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Individual data | Yes |
Type of individual data | Capture method, Observer, Sex, Age (first-second year or older), Wing length, Tarsus length, Weight/time, Moulting of alula in first years (new/old), Ticks and other parasites, Personalitty scores (2006-2017). |
Feeding data | Yes |
Type of feeding data | Prey size, Prey type, Prey number. See Nour et al. 1998. Oecologia 114: 522-530 |
Other catching data | Number of dead nestlings, Number of unhatched eggs, Laying interruptions |
Roosting checks | Yes |
Winter ringing | Yes |
Colour rings | Yes |
Tags | Yes (RFID) |
Other | Family movements using transmitters. Automatic pittag readings at feeder stations at fixed positions in and among study plots. Wing feather damage in parent birds (mites, holes, broken, strawfeather disease). |
Genetic data | |
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Blood samples | Yes |
Feather samples | Yes |
Other samples | NA |
Samples analysed | Yes |
Environmental data | |
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Food availability data | No |
Temperature data | KMI, Belgium |
Rainfall data | KMI, Belgium |
Other environmental data | Beech mast data |