Freeways for Fish
Damming rivers for the sake of national development damages local ecosystems. Migratory fish can’t get upstream to spawn their eggs. One solution is to construct channels for migration.
October 2, 2000
Who says fish aren’t endangered? The Indonesian Institute of Sciences (LIPI) says in The Ecology of Java and Bali that fish species in the two islands have declined by 30 percent since World War II. The worst affected area is West Java, where 44 species of freshwater fish have disappeared from rivers.
Several factors are responsible for the demise of fish species. The most common are overfishing, poisoning and pollution. It has been disco
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