Nutrient Loading Effects on Biogeochemistry in Three Tropical Tidal Creeks

Three field surveys in Darwin Harbour, Australia, compared water quality, sediment composition, and metabolic processes across tidal creeks with varying sewage inputs. The study by the Australian Ocean Data Network identified pelagic primary production, benthic nutrient fluxes, and denitrification efficiency as processes most affected by nutrient loading. Data was last updated on 2026-06-23.

Use Cases

• Modeling benthic nutrient flux rates based on sewage discharge levels
• Comparing pelagic primary production and respiration across trophic states
• Assessing denitrification efficiency in mangrove-lined creeks under different nutrient loads
• Analyzing the impact of tidal flushing and channel morphology on water quality

Strengths

• Direct comparison of three creeks with defined trophic states (hypertrophic, oligotrophic-mesotrophic, oligotrophic)
• Measurements taken during three field surveys across wet and dry seasons
• Study identifies specific biogeochemical processes most sensitive to nutrient loading

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment

Provenance

Source

Australian Ocean Data Network

Collection Method

Field surveys measuring water quality, sediment composition, benthic and pelagic metabolism, and nutrient/gas fluxes.

Freshness

Last updated 2026-06-23 04:13:47.501624; freshness should be verified

Geography

Tropical Darwin Harbour, Australia, focusing on Buffalo Creek, Myrmidon Creek, and Reference Creek.