Spatial distribution and seasonal variation in Undaria pinnatifida ...
Spatial distribution and seasonal variation in Undaria pinnatifida ...
Spatial distribution and seasonal variation in Undaria pinnatifida ...
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Figure 10: Seawater nutrient data: <strong>Spatial</strong> survey locations4.2. Seasonal monitor<strong>in</strong>g of <strong>Undaria</strong> populations4.2.1 Environmental <strong>variation</strong> at monitor<strong>in</strong>g sitesOverall, seawater nutrient concentrations were similar between the Corom<strong>and</strong>el <strong>and</strong> Westhaven monitor<strong>in</strong>g sites (Figure11). Nitrate <strong>and</strong> nitrite tend to be highest <strong>in</strong> w<strong>in</strong>ter, whereas ammonia is generally higher but highly variable over thesummer months (from November onwards). Phosphate is relatively stable through time <strong>and</strong> similar between sites.Figure 11: Seawater nutrient data at <strong>Undaria</strong> monitor<strong>in</strong>g sites: Westhaven Mar<strong>in</strong>a (A) <strong>and</strong> Corom<strong>and</strong>el (B).A17