Table C-2. 
Calculating the size and geographic distribution of the waterfowl] harvest. 
___ ere 
1. 
Expanding Means 
a,b,c 
x Philatelic 
response factor 
Zone 
stamps 
Seasonal 
zone mean adjustment 
2. State Duck Harvest 
a 
Total zone®?° 
duck wings 
Zone total 
duck harvest 
oa Zone duck harvest 
per zone wing 
3. Sea Duck Harvest (ME,NH,MA,RI,CT,NY,MD only) 
Total sea duck 
wings by State 
of purchase 
Total sea duck 
mee harvest by State = 
of purchase 
Sum 
zone sea 
duck harvest 
4. Teal Season Duck Harvest (teal season states only) 
Sum zone Total teal season Total teal season 
teal season — > duck harvest by ae wings by State = 
harvest State of purchase of kill 
5. State Goose Harvest 
Sum Total goose Total goose 
zone goose m—P harvest by State > tails by State = 
harvest of purchase of purchase 
6. State Coot Harvest, Hunter Days, or Unretrieved Kill 
Sum zone totals = Total by State of purchase 
Response bias¢ 
x 
Harvest per 
wing by State 
of purchase 
Considered as 
harvest per 
wing by State 
of kill 
Harvest per 
tail by State 
of purchase 
4 e 
Junior hunter 
expansion 
x 
Code 
each 
Code 
each 
Code 
each 
Code 
each 
Questionaire change 
adjustment 
this value 
into 
wing record 
this value 
into 
wing record 
this value 
into 
wing record 
this value 
into 
tail record 
No further computations are made. 
“In all but seven Atlantic Flyway states, means and wings for ducks and sea ducks are combined. 
Os eotember teal season duck means are adjusted downward based on 
questionnaires sent only to potential teal season hunters. 
= Zone total? 
Resort wing records 
by State of kill 
and sum values 
Resort wing records 
by State of kill 
and sum values 
Sort wing records 
by State of kill 
and sum values 
Resort tail records 
by State of kill 
and sum values 
past comparisons of questionnaires sent to all potential hunters compared with 
“In states having September teal seasons, adjusted means and wings for that season are subtracted from retrieved duck means and total zone duck 
Wings. 
Orhere is no bias adjustment for unretrieved kill or hunter days. 
“There is no expansion for junior hunters for sea ducks in ME, NH, MA, RI, CT, NY only. 
frotal duck harvest for each state of kill is the sum of harvest values for items 2, 3, and 4. 
cs 
