5Schlesinger W H, Andrews J A. Soil respiration and the global car- bon cycle[J]. Biogeochemistry,2000,48(1) :7-20.
6Janssens I A, Lankreijer H, Matteucci G, et al. Productivity over- shadows temperature in determining soil and ecosystem respirationacross European forests [ J ]. Global Change Biology, 2001,7 ( 3 ) : 269-278.
