| Similarity | Rank | |
|---|---|---|
| Ecology | 0.756 | 19589 |
| biogeography | 0.714 | 97464 |
| biology | 0.702 | 3432 |
| conservation_biology | 0.697 | 90418 |
| ecological_system | 0.690 | 67262 |
| biodiversity | 0.687 | 5115 |
| evolutionary_biology | 0.658 | 57064 |
| environmental_science | 0.657 | 21547 |
| zoology | 0.655 | 49412 |
| ecological_restoration | 0.645 | 95749 |
| ecological | 0.641 | 8647 |
| botany | 0.639 | 32446 |
| hydrology | 0.635 | 26128 |
| biodiversity_conservation | 0.632 | 50692 |
| systematics | 0.632 | 73416 |
| population_dynamics | 0.631 | 60555 |
| Biodiversity | 0.619 | 16460 |
| species_diversity | 0.618 | 91262 |
| natural_system | 0.618 | 34720 |
| population_genetics | 0.613 | 87714 |
| biological_diversity | 0.612 | 50077 |
| biological_science | 0.611 | 34293 |
| aquatic_ecosystem | 0.611 | 62506 |
| natural_ecosystem | 0.609 | 62077 |
| habitat | 0.607 | 4131 |