Lichen Monitoring in The NetherlandsKok van HerkLichenologisch Onderzoekbureau NederlandKok van HerkassociatedParty2017-06-23In the Netherlands the provincial authorities are in charge for this type of monitoring of lichen. I am responsible for the actual data collection and owner of the data. Eight provinces (out of twelve) are involved, I give the size of the datasets and the years of investigation:
- Friesland 18.268 records (1991, 1996, 2003)
- Drenthe 56.549 records (1991, 1998, 2004, 2010)
- Gelderland 31.264 records (1990, 1994, (1997), 2003)
- Groningen 4.908 records (1991, 1996)
- Overijssel 42.568 records (1989, 1994, 1999, 2005)
- Utrecht 64.870 records (1979, 1984, 1989, 1995, 2001)
- Zeeland 17.268 records (1997, 2000, 2003, 2006)
- Noord-Brabant 8.410 records (1993, (1997))
Data on lichen abundance are collected on an ordinal scale.
lichenpopuation surveyObtain permission from data set owner(s)The Netherlands6.50836.508352.841752.841719792010Kok van HerkLichenologisch Onderzoekbureau Nederlandlonsoest@planet.nl
Population surveys
Lichen abundances are recorded on an ordinal scale
attached_fileNot authorized to access resourceOtherattached_fileNot authorized to access resourceOther
timeslices
other
Irregular time slices
Wirth indicator values