Research Article

Aerial Survey as a Tool to Estimate Abundance and Describe Distribution of a Carcharhinid Species, the Lemon Shark, Negaprion brevirostris

Table 2

Area of block (m2), area of coverage (m2) based on 350 m visual swath width, and survey intensity (SI) of each survey block A–S.

Survey blockArea of block (m2)Area of coverage (m2)SI

A1,372,459883,9750.644
B1,629,582803,1300.493
C3,034,2181,259,0410.415
D2,550,2671,385,8990.543
E1,253,667842,4850.672
F1,626,326674,3280.415
G1,720,557571,3430.332
H1,471,679681,7390.463
I1,427,818658,3290.461
J1,657,296897,0710.541
K745,701660,2510.885
L2,864,2071,910,1090.667
M3,225,8091,871,5980.580
N2,019,770955,6870.473
O1,407,947667,0350.474
P1,811,735850,3330.469
Q2,253,6541,009,1070.448
R1,450,254663,8010.458
S 2,038,271942,9180.463