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Search Results for Community: California Islands Symposia Documents
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(National Park Service, 1987)Exotic introduced species can disrupt native ecosystems and be particularly devastating on islands. Two brooms, Dyers' greenwold (Cytisus linifolius) and French broom (C. monspessulanus) (Fabaceae) may potentially outcompete ...
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(National Park Service, 1987)Natural hybridization between Malacothrix polycephala W . Davis (ined.), an annual, and M . incana (Nutt.) Torrey & A. Gray, a perennial, on San Nicolas Island, California was examined using herbarium studies, studies in ...
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(National Park Service, 1987)Certain archaeological sites on the northern Channel Islands dating between ca. 4,500 and 7,500 B.P. contain unusually high frequencies of red abalone (Haliotis rufescens) shells. Assuming that aboriginal peoples living ...
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(National Park Service, 1987)Isla de Cedros lies within an arid climatic region and supports a diversity of vegetation community associations. These range from sarcocaulescent desert, made up of succulent-stem trees and shrubs, to coastal sage scrub, ...
Now showing items 1-4 of 4