Date | Primary Productivity, Nutrients, and Alkalinity Data |
|
|---|---|---|
| 1997 |  | |
| 1996 | | |
| 1995 | | |
| 1994 | | |
| 1993 | |
|
| 1992 | |
|
| 1991 | |
|
| 1990 | |
|
| 1989 | |
|
| 1988 | |
|
| 1987 | |
|
| 1986 | |