According to standard of minimumviablepopulation, the ex-situ conservation of 73 rare and endangered plants are effective.
按照最小存活种群的标准,该园有73种稀有濒危植物迁地保护有效。
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China's panda experts believe the 300 pandas in captivity are the minimumviablepopulation for the species to reproduce and sustain in 100 years to come.