Mini-reserve of Nyssa yunnanensis:the First Practice of Mini-reserve Construction for Plant Species with Extremely Small Populations(PSESP) in China
Establishing mini-reserve to carry out in situ conservation is a fundamental strategy in conserving plant species with extremely small populations ( PSESP) . Based on practices of establishing the mini-reserve for Nyssa yunnanensis, a typical PSESP, we depicted planning principles and procedures, constructions and engineering in-dices, and management settings. The mini-reserve planning was guided by specific, scientific, timely, effective, and practical principles. The plan, containing functional zoning, protection engineering, population enhancing, and habitat monitoring, was achieved through five steps, i. e. , team formation, field survey, preliminary de-sign, action confirmation, and plan evaluation. Mini-reserve construction covered basically protection engineering, management settings, recovery programs, and monitoring plans. Mini-reserve management included rule and regu-lation formulation, patrolling and monitoring, awareness building, and scientific researches. It was highlighted that planning and establishment of mini-reserve should focus on not only the protection of remaining populations but also the reservation of spaces for population recovery. Methodologically, advanced technologies such as 3S tech-niques and research results from population ecology should used, as well as extensive participation of local stake-holders should be taken into account. As a summary of the first mini-reserve for PSESP in China, it might be a val-uable reference for in situ conservation of other PSESPs.
plant species with extremely small populations ( PSESP)in situ conservationplant species mini-reserveNyssa yunnanensis
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