










Table I. - Results of Weekly Aerial Brood Counts on 106 Square Miles of Marsh in The Elliot Island-Blackwater 
River Area 
Linear Square Averace 
Late Time iiiles of wiles of No. of ko. of Broods per Brood Froduction 
_Transects ‘Trensects Adults 3roods square bile Size Index er ner, 
200 - 
6/8/53 6:40 1b 1.25 188 6 21 5.67 252.9 
Ai. as 
Sar an La eminem git: pe i ee a a Si EN ee ie RE be aa — 
6/15/52 6:15 114 1.25 61 \ 261 x ae 
Lielts 
a - 
7/2/52 9:35 ~~ 1k 1,25 4? 3 211 ¥ ~. 
A ® is . . be ae Om, nh ssa a cl oe are he a te mee oS 
GENE © RC ener 2 ere ee 
: 19/53 6330 «117 ‘1h.63- 7 18 1.20 4.73 616.6 
_ aN ae me sieges 
ele hy . 
7/16/53 823 Uy 1.25 107 26 1.825 5.36 1037.2 
Ae ‘tg ba Ion thi tec 8, ee NE RLS RT ae Te 
a Le tees 
1/2h/53 8:15 Lib | Wy.25 187 10 «702 - §.70 hole. 
AM a. oahen 4 a =r eee eee eee eee 




Se 

Pe 
% Incomplete counts on all broods 
Tv2 
