vegetation relevée
aerial survey
vegetation survey
acoustic survey
EnvThes
inventory
breeding bird survey
census
forest inventory
interview
soil survey (FAO)
earth observing system
aerial photograph
2018-06-18
[GEMET] A critical examination of facts or conditions to provide information on a situation. Usually conducted by interviews and/or on-site visitations.
2016-03-31
survey
sampling method
[controlled by ] U Grandin, 2013-08-22
herbert.schentz@umweltbundesamt.at