Mangrove Growth and Salt Balance Study in North Queensland

North Queensland research examines salt tolerance in Avicennia marina and Rhizophora stylosa mangrove species. The study monitored seedling growth under five salinity treatments over one year, measuring leaf counts, dry weight, and ion concentrations. Propagules were collected in 1981 and cultivated in a shadehouse at the Australian Institute of Marine Science.

Use Cases

• Compare leaf senescence counts and dry weight between Avicennia marina and Rhizophora stylosa across five salinity treatments.
• Analyze sodium, potassium, calcium, and magnesium ion concentrations in dried plant samples to study salt accumulation.
• Model growth response using leaf area measurements and dry weight data relative to salinity levels.
• Investigate the relationship between salinity treatment and the number of leaves lost through senescence.

Strengths

• Experimental design includes five controlled salinity treatments (0%, 25%, 50%, 75%, 100% seawater).
• Study spans a full year of monitoring from propagule collection in 1981 through final measurements in 1982.
• Detailed analytical methods for plant ion concentrations using inductively coupled plasma emission spectrometry.

Limitations

• Small experimental scale with only four plants per species per treatment.
• Data is temporally stale, originating from a study conducted over 40 years ago.
• Geographic scope is limited to a single collection site at Cape Ferguson, North Queensland.

Provenance

Source

Australian Ocean Data Network

Collection Method

Controlled shadehouse experiment with propagules collected from the field and subjected to defined salinity treatments.

Time Range

Propagules collected February 1981; study concluded February 1982.

Freshness

null

Geography

Cape Ferguson, north Queensland, Australia.