Table 1 The decomposition coefficients (k, k_TI1, k_TI2, k_TI3, mean) of litter mass, TI₁, TI₂, and TI₃

Tissues	Treatment	Decomposition constant k (day ⁻¹)	R²	T_50% (d)	T_95% (d)	k_TI1	k_TI2	k_TI3
Leaf	Control	0.0094	0.9695	73	319	0.0233	0.0197	0.0105
	Low N	0.0107	0.9852	65	280	0.0239	0.0208	0.0114
	High N	0.0111	0.9990	62	270	0.0253	0.0214	0.0117
	Macroalgae	0.0080	0.9575	87	374	0.0196	0.0153	0.0082
	Macroalgae + Low N	0.0086	0.8965	81	348	0.0209	0.0153	0.0088
	Macroalgae + High N	0.0085	0.8231	82	352	0.0228	0.0172	0.0097
Sheath	Control	0.0019	0.9336	365	1577	0.0045	0.0065	0.0030
	Low N	0.0015	0.6413	462	1997	0.0044	0.0059	0.0024
	High N	0.0016	0.6297	433	1872	0.0047	0.0062	0.0029
	Macroalgae	0.0005	0.3098	1386	5991	0.0028	0.0034	0.0012
	Macroalgae + Low N	0.0012	0.7328	578	2496	0.0034	0.0048	0.0021
	Macroalgae + High N	0.0012	0.7208	578	2496	0.0037	0.0046	0.0020

The model-estimated times to 50% (T_50%) and 95 % (T_95%) decomposition of mass were also presented.

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