This is the 646th most frequent Icelandic word.
svæðum
"Svæðum" means "areas" or "regions" in English.
Here, 'svæði' is in the plural form 'svæðum' in the dative case, indicating places or areas visited.
Við heimsóttum ýmis svæði í landinu.
We visited various areas in the country.
In this sentence, 'svæði' (pl.) in the dative case 'svæðum' follows the verb requiring a dative object, showing where the methods are applied.
Við beitum svæðum sérstökum aðferðum.
We apply special methods to areas.
'Svæðum', the plural dative form of 'svæði', indicates the locations where the wildlife thrives.