November 2002

Installation of goat and pig exclosure fence

Approximately 90 percent of all plant species native to Hawaii are found nowhere else in the world. Alarmingly, a third of them will likely be threatened with extinction in the next 10 years. Principal threats to Hawaii’s native species are feral pigs and goats, and exotic plants, which disturb native communities.

The National Tropical Botanical Garden’s Limahuli Garden and Preserve is a steep, 900-acre forested valley of great biological and cultural importance. The upper valley recently experienced an unprecedented influx of feral pigs, resulting in extensive damage. To keep the pigs out, the botanical garden needs a strong fence. It plans to build one spanning approximately 3.5 miles of rugged ridge-top terrain, which will enclose 400 acres of intact, highly diverse Hawaiian forest. Seacology is helping in the initial phase of the fencing project by providing funding for helicopter transport of work crews and materials into this hard-to-reach area.

Full or partial funding for this project provided by
Project Updates
July 2004
Crews were able to cut trails and perform reconnaissance in the extremely rugged terrain to be fenced off. A GIS map of the area was created and a fencing contractor was able to fly in to obtain...
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