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Schlagwörter: field work
animals
6
dieren
6
field work
hirundinidae
6
inventarisaties
6
inventories
6
mortaliteit
6
mortality
6
nederland
6
nestelen
6
nesten
6
nesting
6
nests
6
netherlands
6
observatie
6
observation
6
populatie-ecologie
6
populatiedichtheid
6
populatiegroei
6
population density
6
population ecology
6
population growth
6
veldwerk
6