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Evolution of populations of terns in the Delta Area (Zeeland) : Breeding Success
Citatie
Contact:
Courtens, Wouter ;
Stienen, Eric Beschikbaarheid: Beschikbaar onder voorwaarden
The data are withheld from general circulation and disclosure but access may be obtained on a case-by-case basis through negotiation Beschrijving
In Zeeland (Delta area) a number of (breeding) biological parameters were determined from Tern and Common Tern. The dataset is the result of determining breeding success of 25 to 50 marked nests of Tern and Common Tern in a number of colonies in the Delta area (Zeeland). Scope Kernwoorden: Marien/Kust, Brak water, Terrestrisch, Broedsucces, Leg grootte, Vogels, Zeevogels, ANE, Nederland, Deltagebied, Netherlands, Zeeland, Sterna hirundo Linnaeus, 1758, Sterna sandvicensis Latham, 1787 Geografische spreiding ANE, Nederland, Deltagebied [Marine Regions] Netherlands, Zeeland [Marine Regions] Spreiding in de tijd
1 Mei 2009 - 1 Augustus 2011 Jaarlijks Parameters
Broedsucces: Count of eggs per nests Number of eggs per nest are counted in 30 to 40 individual enclosed nests in a representative area of the colony. Counted nests are marked and counted eggs are marked. Egg size: Count of percentage of hatched eggs Cause of loss are noted: predation, trampling, flooding. Hachlings are ringed individually within 3 days from hatching. Leggrootte: Count of % of hatched eggs that actually fledged Cause of loss is noted: predation, found death (starvation or dehydratation). Rule for success of fledging is that winglength exceeds 160 mm for Common tern and 180 mm for Sandwich tern and Black headed gull. Bijdrage door
Vlaamse overheid; Beleidsdomein Leefmilieu, Natuur en Energie; Instituut voor Natuur- en Bosonderzoek; Afdeling Biodiversiteit en Natuurlijk Milieu; Onderzoeksgroep Ecosysteemdiversiteit, meer, data creator
Vlaamse overheid; Beleidsdomein Omgeving; Instituut voor Natuur- en Bosonderzoek (INBO), meer, data eigenaar
Dataset status: Gestart
Data type: Data
Data oorsprong: Monitoring: veldonderzoek
Metadatarecord aangemaakt: 2012-01-27
Informatie laatst gewijzigd: 2012-11-14
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