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Physiological Section

Thorhaug, Anitra [1].

Laguna Madre, TX. 75-Acre Halodule Restoration.

In the north-central Laguna Madre, Texas, 35 acres of seagrass were disturbed by propeller during a storm. The restoration mandated for these acres included filling both a channel and propeller scar hole, and scrape down of a dredged-up island, plus restoring 75 acres of Halodule. The restored acres of plugs at 1m intervals remain as meadows and continue to grow laterally and in density 6 years after planting Presently they equal more than 78 acres at three sites, including 90% Halodule and some Halophila .The shallow sites (0.3-0.6m) regrew in year 1. The medium depths (1-1.2m) grew laterally more slowly, but coalesced densely within years 2-3. Deep sites (1.4-1.8m) grew more slowly and survived somewhat less, but continue to equal control unperturbed areas at similar depths. Survival after 1 year was greater than 70% overall. Wind event effects will be discussed.


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1 - Yale University School of Forestry & Environmental Studies, 1359 SW 22 TER, Miami, Florida, 33145, USA

Keywords:
restoration
seagrass
Laguna Madre.

Presentation Type: Oral Paper
Session: 7-1
Location: 408/Hilton
Date: Monday, August 15th, 2005
Time: 9:00 AM
Abstract ID:45


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