Assertion: alder | /r/AtLocation | disturbed sites
Facets:
value: on barren sand dunes
type: LOCATION
value: often
type: TEMPORAL
Source sentences:
text: Because alders can fix their own nitrogen they are important pioneer species in plant ecosystems and are often found in disturbed sites, on barren sand dunes, or – as seen with our native smooth alder – along streams and in wet ground where nitrogen is always in short supply.