Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Bronze Age Burial Site of Sammallahdenmäki' has mentioned 'Buffer zone' in the following places:
Occurrence Sentence Text Source
The buffer zone includes the surrounding forests and agricultural landscape; to the west, it borders on Lake Saarnijxc3xa4rvi, which is defined as a protected bird sanctuary of national significance.
The management and actions taken within the site and its buffer zone are in accordance with the Management Plan.