Graph

Ring-necked Duck
(Aythya collaris)

Northwest Territories Boreal Waterfowl and Waterbirds Survey

Geographic area or population: Northwest Territories

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearBreeding Pair Index
198522
198626
198726
198824
198921
199044
199156
199235
199325
199429
199528
199632
199747
199855
199967
200066
200132
200240
200385
200443
200537
200637
200761
200871
201071
201257
201457
201675

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345