Glossary of Ecology - R

R

• rain shadow - A dry area of land that is leeward of a mountain range that results in arid or semiarid conditions
• reproductive base - includes all members of a population that are of reproductive and pre-reproductive ages.
• resource partitioning - when two or more species share, and compete for a resource in different ways in order for both species to coexist
• Restoration ecology - attempts to understand the ecological basis needed to restore impaired or damaged ecosystems
• R-selected species - A species selected for its superiority in variable or unpredictable environments
• run-off - the flow of water over land from rain, melting snow, or other sources