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Marine menace

Invasive plants crowd out native limu and mar reefs, but a big cleanup is scheduled for Saturday in Waikiki

By Allison Schaefers

POSTED: 01:30 a.m. HST, Feb 12, 2014

~~<p>Beneath the sparkling blue waters of Wai&shy;kiki's world-famous beaches, an unwelcome visitor called alien algae is killing native coral, chasing away the natural sea life and upsetting the fragile balance of the ocean's ecosystem.</p>
<p>Three types of alien algae &mdash; Acanthophora spicifera, Gracilaria salicornia and Avrainvillea amadelpha &mdash; have formed strongholds around the famous South Shore swells, choking the reefs and overtaking some of the native algae that once grew. Scientists and conservationists first sounded the alarm about these Wai&shy;kiki invaders about a decade ago; however, they point to a more recent 3-year-old discovery of Avrainvillea amadelpha, or leather mudweed, as evidence that invasive algae are spreading and if left unchecked could wind their way from Wai&shy;kiki throughout the Hawaiian Islands.</p>
~~

Beneath the sparkling blue waters of Wai­kiki's world-famous beaches, an unwelcome visitor called alien algae is killing native coral, chasing away the natural sea life and upsetting the fragile balance of the ocean's ecosystem.

Three types of alien algae — Acanthophora spicifera, Gracilaria salicornia and Avrainvillea amadelpha — have formed strongholds around the famous South Shore swells, choking the reefs and overtaking some of the native algae that once grew. Scientists and conservationists first sounded the alarm about these Wai­kiki invaders about a decade ago; however, they point to a more recent 3-year-old discovery of Avrainvillea amadelpha, or leather mudweed, as evidence that invasive algae are spreading and if left unchecked could wind their way from Wai­kiki throughout the Hawaiian Islands. Login for more...



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