| A |
Paraná river, Santa Fé, Argentina |
1580
 map | Oct 1989 |
default type |
sublittoral |
fine to medium sand |
|
interstitual, sediments 'are composed of fine and medium sands and are poor in organic matter because of high current velocities and low food supply from the water column.' |
Noreña-Janssen C, Faubel A (1996): 111,113 |
| B |
Colastiné River, Santa Fé, Argentina |
1581
map | Oct 1989 |
default type |
sublittoral |
fine to medium sand |
|
interstitual, sediments 'are composed of fine and medium sands and are poor in organic matter because of high current velocities and low food supply from the water column.' |
Noreña-Janssen C, Faubel A (1996): 111,113 |