Table 8 Changes in the metal concentration in biosorbent in respect to the initial c₀.

Metal	Biosorbent	n	k	p-value	CI_l	CI_r	Effect
Mn	Moss	94	21	0.000	0.144	0.321	Loss
Mn	Lichen	92	4	0.000	0.012	0.108	Loss
Mn	Alga	92	10	0.000	0.053	0.191	Loss
Ni	Moss	94	4	0.000	0.012	0.105	Loss
Ni	Lichen	92	4	0.000	0.012	0.108	Loss
Ni	Alga	92	87	0.000	0.878	0.982	Accumul
Cu	Moss	94	38	0.079	0.304	0.510	No change
Cu	Lichen	92	43	0.602	0.363	0.574	No change
Cu	Alga	92	67	0.000	0.626	0.816	Accumul
Zn	Moss	94	55	0.121	0.479	0.686	No change
Zn	Lichen	92	9	0.000	0.046	0.178	Loss
Zn	Alga	92	90	0.000	0.924	0.997	Accumul
Cd	Moss	94	78	0.000	0.738	0.899	Accumul
Cd	Lichen	92	57	0.028	0.512	0.719	Accumul
Cd	Alga	92	76	0.000	0.733	0.897	Accumul
Pb	Moss	94	62	0.003	0.555	0.754	Accumul
Pb	Lichen	92	89	0.000	0.908	0.993	Accumul
Pb	Alga	92	29	0.001	0.222	0.420	Loss

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