TABLE 1
 
 
 
LAKES: Census site location
Census date
Type of habitat
Kms Surveyed
Caimans sighted
Density (caimans/km)
Ipucu Marsh Lake at Ea. San Juan Poriahu
12 May 1999
Marsh Lake coast
5.8
58
10
Luna Marsh Lake at Galarza – N coast
15 Mar 2000
Marsh Lake coast
7
64
9.1
Luna Marsh Lake at Galarza – E coast
15 Mar 2000
Marsh Lake coast
5.7
58
10.2
Luna Marsh Lake at Galarza – S coast
15 Mar 2000
Marsh Lake coast
24
637
26.5
Luna Marsh Lake at Galarza – W coast
15 Mar 2000
Marsh Lake coast
7.9
76
9.6
Luna Marsh Lake at Galarza – N arm
7 May 2000
Marsh Lake coast
20.5
250
12.2
Iberá Marsh Lake at Pellegrini – E coast
27 Ago 2000
Marsh Lake coast
19.9
200
10
           
Current Lake coast pooled density    
90.7 kms
1343
14.8 caimans/km lake
           
1991/92 Census Lake coast pooled density        
6.4 caimans/km lake
CREEKS: Census site location
Census date
Type of habitat
Kms Surveyed
Caimans sighted
Density (caimans/km)
Miriñay Creek at Pellegrini
17 May 1999
Marsh creek
3.4
133
39.1
Miriñay Creek at Pellegrini
11 Ago 1999
Marsh creek
3.4
46
13.5
Isirí Marsh Creek at Galarza
15 Mar 2000
Marsh creek
0.5
3
6
Disparo (yacare) Creek at Galarza
6 Abr 1999
Marsh creek
4.6
288
62.6
Disparo (yacare) Creek at Galarza
14 May 1999
Marsh creek
6.7
349
52
Disparo (yacare) Creek at Galarza
24 Jun 1999
Marsh creek
6.7
354
52.8
Disparo (yacare) Creek at Galarza
28 Ago 2000
Marsh creek
6.7
338
50.4
           
Current Creek pooled density*    
10.6 kms
490
46.2 caimans/km creek
           
1991/92 Creek pooled density        
17.7 caimans/km creek