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Water-column responses nitrogen

Figure 6.1. The response of secondary production and fishery yield in coastal marine ecosystems to increased nutrient loads (primarily nitrogen). Note the nonlinear responses, with production at all trophic levels increasing as nutrient inputs increase at lower levels of loading, but declines in secondary production and fishery yields at higher nutrient loads. Demersal fisheries (those that are dependent upon the bottom waters and sediment) decline before fish dependent on zooplankton in the water column for their food. Modified from Caddy (1993)... Figure 6.1. The response of secondary production and fishery yield in coastal marine ecosystems to increased nutrient loads (primarily nitrogen). Note the nonlinear responses, with production at all trophic levels increasing as nutrient inputs increase at lower levels of loading, but declines in secondary production and fishery yields at higher nutrient loads. Demersal fisheries (those that are dependent upon the bottom waters and sediment) decline before fish dependent on zooplankton in the water column for their food. Modified from Caddy (1993)...
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See also in sourсe #XX -- [ Pg.128 , Pg.129 , Pg.130 ]



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Water nitrogen

Water-column responses

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