Improving Seagrass Grinding for Nutrient Analysis using the Precellys24-Dual - Bertin Instruments

    Improving Seagrass Grinding for Nutrient Analysis using the Precellys24-Dual

    Sources: Department of Applied Ecology, North Carolina State University, North Carolina, USA

    Context

    We aim to understand the affects of environmental change on the coastal realm. Seagrass (Thalassia testudinum) are globally distributed marine plants that represent important coastal ecosystems for many fish species and provide ecosystem services such as nutrient recycling. Our research focuses on analyzing the percentage of Nitrogen (N), Carbon (C) and total Phosphorus (TP) in seagrass blade tissues as some of the response variables for primary predictors of ecosystem structure and function in artificial reefs.

    Results

    Seagrass blades were collected (Figure 1A) for nutrient content analysis along a 1-6 meter distance from the artificial reefs. Samples were dried in an oven at 65ºC for 48 hours, and then ground into a fine powder using the Precellys24-Dual (Figure 1B) or mortar and pestle. Although percentage phosphorus concentration was not significantly changed, the time spent on sample processing was 15 seconds/6 seagrass samples using the Precellys24-Dual vs. 25 minutes/sample using mortar and pestle (Figure 1C).

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