The
nitrogen interpolation showed a generally increasing trend from North
to South throughout the Strait of Georgia. With slightly increased
values near the Iona Vancouver Wastewater treatment plant and the
Fraser River. The amount of nutrients in the Fraser River due to the
presence of the, and the Iona plant relative to natural sources is
however unknown.
Phosphorus
also generally increased towards the South end of the Strait. However
both nitrogen and phosphrous were particularly high in the single
southern most point in our data, which likely caused more extreme
values than would actually be expected.
Silicon in the Strait tended to be higher in the South-western part of the Strait.
Chlorophyll-a,
by visual analysis is best predicted by either the silicon limited or
equal weighted model, and least well predicted by the phosphorous
limited regime.