because of changed C, N and P outputs, or the accumulation of contaminants in sediments. It is possible to conceive of a suite of nested models related to different stages in the P–S–I–R relationship — see Figs. 2–4, Turner et al., 1998b..
because of changed C, N and P outputs, or the accumulation ofcontaminants in sediments. It is possible to conceiveof a suite of nested models related to different stagesin the P–S–I–R relationship — see Figs. 2–4,Turner et al., 1998b..