- Some people apply different rules to aquatic ecosystems compared to terrestrial ecosystems.
- That was the first time I got to spend a lot of intimate time in a marine ecosystem.
- However, there is also substitutability between organisms in an ecosystem.
- However, common species play pivotal roles in ecosystems, providing habitats and food for our fauna.
- These species effects are often as strong as, or stronger than, the direct effects of environment on ecosystems.