e-journal
Towards an ecosystem approach to small island fisheries: A preliminary study of a balanced fishery in Kotania Bay (Seram Island, Indonesia)
The Ecosystem Approach to Fisheries (EAF) is a holistic one as EAF considers all species
as important elements within the eco-system. An EAF requires that community and ecosystem
structure should be maintained by harvesting fish communities in proportion to their natural
productivity, thereby sustaining the balance of species and sizes in a community. This article draws
from research on the reef fish community and catch in Kotania Bay on Seram Island in Maluku,
Indonesia, an area of approximately 6000 ha. Based on the trophic guild (ie the aggregation of
species utilizing similar food resources) on the reef, the biomass of predator fish currently being
captured now represents 40.4% of the total catch biomass. Members of the grouper family, the
humphead wrasse (Cheilinus undulatus) and trevally (Caranx melampygus) in particular, have
become targeted for sale in fish markets. If these predators are selectively targeted and exploited,
the overall reef fishery and the human populations that depend on it may become imperilled, given
these species’ significant roles in controlling those lower in the food chain. This study thereby
emphasizes the need for balanced fisheries informed by the EAF model in small island fisheries
management in order to sustain food security in such regions.
KEYWORDS: Ecosystems; Balanced fisheries; Trophic guild; Small islands; Kotania Bay; Maluku
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