Table 1 Survey effort per month with the total number of encounters for each species.

From: Comparing visual and acoustic detectability of two coastal cetacean species off Sindhudurg, India, to better inform integrated survey protocol

MM/YY

Visual effort (km)

Acoustic effort (HH:MM)

Finless porpoise

Humpback dolphin

Acoustic + Visual

Acoustic + Visual

01/2020

169.06

15:55

35

9

02/2020

168.88

15:57

34

11

03/2020

92.95

8:41

11

6

03/2022

144.24

12:56

8

7

04/2022

165.91

15:45

22

8

12/2022

163.69

14:50

9

7

01/2023

139.06

13:23

11

6

02/2023

122.77

11:00

10

4

03/2023

66.66

5:51

13

5

Total

1233.22

114:18

153

63