adjective
- Of or relating to a plant succession that begins in a moderately moist habitat, intermediate between xarch and hydrarch.
Usage: botany; ecology
Examples
- The mesarch succession began on the abandoned farmland with moderate soil moisture.
- Ecologists classified the habitat as mesarch because it was neither too dry nor too wet.
- The mesarch community developed over several decades as pioneer species established themselves.
- In mesarch environments, both drought-tolerant and moisture-loving plants can coexist initially.