DOE:10.1894/0038-4909(2004)049<0054:PCSRAC>2.0.CO;2 DOE:10.1894/0038-4909(2004)049<0384:AVAATL>2.0.CO;2 DOE:10.1894/0038-4909(2008)53[34:DOAPMF]2.0.CO;2 DOE:10.1894/N03-MP-09.1