"high richness" is a correct and usable phrase in written English.
It is typically used to describe something that has a large amount or variety of something, such as wealth, nutrients, or diversity. Example: The rainforest is known for its high richness of plant and animal species, making it one of the most biodiverse ecosystems on the planet.
High-richness and high-production sites for K. tunicata were present in both habitat types, but high richness and high-production sites did not overlap.
In line with this, the very high richness and evenness of sediment suggest that it may function as a microbial seed bank.
This indicates that although plant species richness can influence individual ecosystem functions even at high richness levels, these effects may not be strong enough to influence overall multifunctionality in our study system.
Functional diversity was similar between primary and secondary forest (high richness, high evenness and unaltered dispersion) and lowest in coconut plantations and grazed pastures.
Moreover, high richness and diversity of Collembola at each LUU were associated with a diverse landscape structure, both in terms of number of patches and patch richness.
Three hundred and twelve Important Plant Areas (IPAs) have been identified in Italy using a grid-based ranking system to pinpoint areas of high richness and conservation value, alongside the more frequently used expert-based selection of sites.
Bacterial community in the bark filters showed the highest richness.
Evenness was also high in biotopes with the highest richness and was lowest in the flatworm and nudibranch gut biotopes.
The clearings had a higher richness of species associated with semi-natural grasslands, and a higher richness of shade-tolerant and shade-intolerant forb species.
The dense site supported higher richness and relative abundance of generalist rodents than the sparse site.
On calcareous grasslands, however, the abandonment led to higher richness and abundance of farmland birds.
