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Dissertation/Thesis Abstract

Native plant restoration following the eradication of invasive tamarisk in the Tijuana Estuary, California
by Antcliffe, Samantha L., M.A., California State University, Long Beach, 2009, 69; 1466080
Abstract (Summary)

This project studied the vegetation of the upland transition habitat within the Tijuana Estuary to determine the survival rate of reintroduced native vegetation following the eradication of invasive non-native tamarisk (Tamarix spp.). Within the upland transition habitat, seven sites were selected for restoration. Five native plants were selected for restoration: Alkali heath (Frankenia salina), boxthorn ( Lycium californicum), glasswort (Arthrocnemum subterminale ), saltgrass (Distichlis spicata) and pickleweed (Sarcocornia pacifica). During 19 May 2004 to 8 October 2004 the plants were hand watered biweekly and survival rate data were documented weekly. The overall survival rate percentages for the restoration sites ranged from 0 to 41%. The survival rates for the individual species were: Alkali heath 61%, boxthorn 43%, pickleweed 18%, glasswort 4% and saltgrass 0%. While definitive answers to the underlying mechanisms that determined survival rate differences between sites were not possible, the study does suggest future directions for restoration projects and research.

Indexing (document details)
Advisor: Laris, Paul
School: California State University, Long Beach
School Location: United States -- California
Source: MAI 47/05M, Masters Abstracts International
Subjects: Ecology, Geography, Environmental science
Keywords: Arthrocnemum subterminale, Distichlis spicata, Frankenia salina, Lycium californicum, Sarcocornia pacifica
Publication Number: 1466080
ISBN: 978-1-109-16350-6
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