Research stations can become members of INPA if they comply with following criteria:
• The research station should be located in the Arctic or cold regions of northern boreal or alpine environments
• The research station should be long-term
Meaning that there should not be a set closing date
• The research station should be open for external scientists
Meaning that external scientists can be accommodated at the station
• The research station must undertake long-term monitoring
Meaning that there should be long-term monitoring of at least some basic climate variables