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Oecologia (2004) 141: 612619 DOI 10.1007/s00442-004-1679-z
 

Summary: Oecologia (2004) 141: 612619
DOI 10.1007/s00442-004-1679-z
ECOSYSTEM ECOLOGY
Steven D. Allison . Peter M. Vitousek
Rapid nutrient cycling in leaf litter from invasive plants in Hawai'i
Received: 31 March 2004 / Accepted: 8 July 2004 / Published online: 3 August 2004
# Springer-Verlag 2004
Abstract Physiological traits that contribute to the
establishment and spread of invasive plant species could
also have impacts on ecosystem processes. The traits
prevalent in many invasive plants, such as high specific
leaf areas, rapid growth rates, and elevated leaf nutrient
concentrations, improve litter quality and should increase
rates of decomposition and nutrient cycling. To test for
these ecosystem impacts, we measured initial leaf litter
properties, decomposition rates, and nutrient dynamics in
11 understory plants from the Hawaiian islands in control
and nitrogen + phosphorus fertilized plots. These included
five common native species, four of which were ferns, and
six aggressive invasive species, including five angio-

  

Source: Allison, Steven D. - Departments of Ecology and Evolutionary Biology & Earth System Science, University of California, Irvine

 

Collections: Environmental Sciences and Ecology