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the influence of urban parks on ant communities

more moisture in eucalyptus groves in San Francisco parks

doc-titleThe influence of urban park characteristics on ant (Hymenoptera, Formicidae) communities
quoteWithin forest types examined [in San Francisco urban forests], eucalyptus forests contained significantly more soil moisture than other forest types ... The increased moisture in eucalyptus is due to the fact that summer fog tends to condense on eucalyptus leaves and branches and drip down to the soil below. Such fog drip can add as much as 42 cm of water to eucalyptus forest soil during a single summer (Azevedo and Morgan 1974).
sourceClarke, Fisher, and LeBuhn in Urban Ecosystems