Chlorophyll a and Phaeophytin a in Jervis Bay Seabed Sediments, 2008-2009

Geoscience Australia collected 126 samples of surface seabed sediments from Jervis Bay, New South Wales, during surveys in 2007, 2008, and 2009. This dataset comprises measurements of chlorophyll a and pheophytin a from those samples, taken from the top 0 to 2 centimeters of sediment. Data acquisition was concentrated within a 3x5 km survey grid and at additional representative habitat sites outside it.

Use Cases

• Modeling benthic primary productivity based on chlorophyll a concentrations in sediments.
• Assessing organic matter degradation and sediment health based on pheophytin a measurements.
• Correlating sediment biogeochemistry with habitat types observed via underwater video and photography mentioned in the description.
• Studying spatial and temporal patterns of algal pigments in a temperate bay ecosystem.

Strengths

• Contains 126 distinct sediment samples, providing a substantive collection for analysis.
• Samples are colocated with other survey data including bathymetry, infauna, and video, enabling multi-modal environmental studies.
• Surveys were conducted over multiple years (2007-2009), allowing for potential temporal analysis.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific survey grids in Jervis Bay.

Provenance

Source

Geoscience Australia Data

Collection Method

Samples acquired using the MV Kimbla from surface seabed sediments (~0 to 2 cm) during marine surveys.

Time Range

Samples collected in June and August 2008 and February 2009, as part of surveys from 2007-2009.

Freshness

Last updated 2026-05-26 19:13:46.740304; freshness should be verified.

Geography

Jervis Bay, New South Wales, Australia, with a focus on a 3x5 km survey grid (Darling Road Grid) and additional representative habitats.