| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| freshwater ecology textbook | 0.97 | 0.7 | 490 | 31 | 27 |
| freshwater | 0.74 | 1 | 3962 | 11 | 10 |
| ecology | 0.86 | 0.3 | 116 | 15 | 7 |
| textbook | 0.36 | 0.7 | 4541 | 30 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| freshwater ecology textbook | 0.13 | 0.7 | 4767 | 52 |
