Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 523114
Title Data from: Experimental illumination of a forest: no effects of lights of different colours on the onset of the dawn chorus in songbirds
Author(s) Silva, Arnaud Da; Jong, Maaike de; Grunsven, R.H.A. van; Visser, M.E.; Kempenaers, Bart; Spoelstra, K.
Source Wageningen University & Research
Department(s) Animal Breeding and Genomics
Plant Ecology and Nature Conservation
Publication type Dataset
Publication year 2016
Keyword(s) experimental night lighting - dawn singing - songbirds - LED - light colour
Abstract 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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