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CONCEPT OF ISLAND
Island : land mass surrounded by water
→ TRUE ISLAND
water → barrier for dispersal of biotas
Habitat Island :
a certain habitat type, surrounded by other
habitat types, which act as barrier for
dispersal
Single large or several small ?
Number of species present
Management effectivity
Catastrophic event
Edges and interior
Continental and archipelago system
SLOSS
Best for Indonesia ?
Metapopulation Concept (Richard Levins, 1969)
A collection of populations, each
existing on patches of suitable habitat
Can be applied very well for
fragmented forest