Answer:
Bio-reserves
achieve three interconnected functions, i.e., conservation, development and
logistic support. To fulfil these functions, they contain three interconnected
zones.
(i) Core zone It is a securely protected site for conserving biological
diversity, monitoring minimally disturbed ecosystems and undertaking
non-destructive research and other low-impact uses like education.
(ii) Buffer zone It surrounds or adjoins the core
area and is used for cooperative activities compatible with sound ecological practices,
including environmental education, recreation, ecotourism and applied and basic
research.
(iii) Transition/development zone It may contain a
diversity of agricultural activities, settlements and other uses and in which
local communities, management agencies, scientists, NGOs, cultural groups,
economic interests and other stakeholders work together to manage and
sustainably develop the area's resources.
Thus, properly managed biosphere reserves are important for
preserving biological diversity.
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