carrying capacity
noun
mass noun
1- the number or quantity of people or things which can be conveyed by a vehicle or container（机动车辆的）载客量, 载货量; （容器的）容纳量。
1.1
- Ecology the number of people, animals, or crops which a region can support without environmental degradation【生态】（地区的）负载力, 容纳量。