General terms:
* Biodiverse: This term emphasizes the variety of life forms present in an environment.
* Lush: This word often describes a vibrant and flourishing environment, usually with abundant vegetation.
* Thriving: This term suggests that the environment is healthy and supporting a large and diverse population.
* Productive: This term emphasizes the high levels of biological activity and resource production.
More specific terms:
* Biodiversity hotspot: This term is used for areas with exceptionally high levels of biodiversity and endemism (species found nowhere else).
* Eden: This term from the Bible refers to a paradise, a perfect and abundant environment.
* Abundant: This term simply describes an environment with a large number of organisms.
* Rich: This term suggests an environment with a diverse range of resources and life forms.
The best term to use will depend on the specific context and what aspect of the environment you want to emphasize.