Data from: Experimental illumination of a forest: no effects of lights of different colours on the onset of the dawn chorus in songbirds

Da Silva A, de Jong M, van Grunsven RHA, Visser ME, Kempenaers B, Spoelstra K

Date Published: December 8, 2016

DOI: http://dx.doi.org/10.5061/dryad.437t2

 

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Title Recordingdata2013allspecies
Downloaded 2 times
Description The data was collected in the field from 15 April to 15 May (from 27 April to 15 May for the Voorstonden location). The first column shows the 7 sites (from 1 to 7) used in the models as random effects. Site 1 corresponds to a location called ‘Lebret’s Hoeve’, site 2 to ‘Voorstonden’, site 3 to ‘Radio Kootwijk’, and site 7 to ‘Hijkerveld’. Sites 4 and 5 are adjacent spatially and correspond to a location called ‘ASK Doornspijk’. Finally, site 6 consists of two sites merged together because they overlap in a location called ‘Klaterweg’. The onsets (column 7) have therefore been obtained from the mean onsets in the two former sites for each light treatment on each day. The second column shows the 3 levels of 'Treatment', which represents the transects where the data has been collected (green, red, or white light transect). The third column shows the 'Formal date', i.e., the date at which the bird was singing (in calendar days). The fourth column shows the (relative) ‘date', which is the date relative to 15 April (0 = 15 April), and which has been used in the models as a random slope. The fifth column shows the 'onset relative to control'. This variable is calculated for each species, at each site and on each day, as the difference (in min) in the onset of dawn song between each light treatment (red/green/white) and the dark control. The sixth and last column shows the 'species' for which the onset is shown (14 levels, vernacular names shown).
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When using this data, please cite the original publication:

Da Silva A, de Jong M, van Grunsven RHA, Visser ME, Kempenaers B, Spoelstra K (2017) Experimental illumination of a forest: no effects of lights of different colours on the onset of the dawn chorus in songbirds. Royal Society Open Science 4(1): 160638. http://dx.doi.org/10.1098/rsos.160638

Additionally, please cite the Dryad data package:

Da Silva A, de Jong M, van Grunsven RHA, Visser ME, Kempenaers B, Spoelstra K (2017) Data from: Experimental illumination of a forest: no effects of lights of different colours on the onset of the dawn chorus in songbirds. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.437t2
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