Ecological Archives E089-148-A2

**Sarah E. Hobbie. 2008. Nitrogen effects on litter decomposition: a five-year experiment in eight temperate sites. Ecology 89:2633–2644.**

Appendix B. A table showing results of ANCOVAs for each site–substrate combination of the proportion initial N at all harvests with N fertilization as a main effect and the proportion initial mass remaining as a covariate.

TABLE B1. A table showing results of ANCOVAs for each site–substrate combination of the proportion initial N at all harvests with N fertilization (N) as a main effect and the proportion initial mass remaining (MR) as a covariate. When MR was significantly related to proportion initial N, the relationship was positive except where indicated (-).

Substrate	Site
Substrate	Aspen	Maple	Oak 1	Oak 2	Old Field 1	Old Field 2	Pine 1	Pine 2
Acer	N * MR *	N * MR ***	MR ***	N MR *			N * MR *	N MR *
Quercus	N * MR ***	MR ***	MR ***	MR ***	N *	N **	MR ***	N * MR *
Pinus	N MR *	N * MR ***	MR ***	N * MR *	N *		N * MR	N * MR ***
Schiz.	N ***	MR *	N **	N **	N MR * (-)	N * MR * (-)	N *** MR * (-)	N ***
Acer leaf	MR ***	MR ***	MR ***	MR ***	N MR *	MR ***	MR ***	MR ***
Quercus leaf	MR ***	MR ***	N * MR ***	MR ***	MR ***	MR ***	MR ***	MR ***
wood	MR *** (-)	MR * (-)	MR ** (-)	MR * (-)	MR *** (-)	MR * (-)	MR *** (-)	MR ** (-)

***P < 0.001, **P < 0.01, *P < 0.05

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