PILLAR 03 / AQUATIC ECOSYSTEMS

Stop internal loading. Rebuild the benthic habitat.

Precision sediment diagnosis, modified mineral phosphorus locking and submerged macrophyte succession.

THE CHALLENGE

Start with
the mechanism.

External pollution interception alone may leave a large internal nutrient source in anaerobic sediments. Poor light conditions and unstable substrates also constrain submerged plants.

THE APPROACH

Sediment cores define the intervention boundary. Site-matched mineral capping immobilizes reactive phosphorus, while oxygenation and euphotic-zone management support a resilient submerged community.

Brochure dual benthic–pelagic concept: sediment phosphorus inactivation and food-web reconstruction.
Brochure dual benthic–pelagic concept: sediment phosphorus inactivation and food-web reconstruction.

TECHNICAL SCOPE

01

Profile before intervening

Assess 0–50 cm sediment cores for organic matter, total and bioavailable phosphorus and relevant heavy metals.

02

Immobilize reactive phosphorus

Evaluate modified mineral materials and application design using sediment–water interface testing.

03

Restore submerged communities

Coordinate water levels, light availability and seasonal Vallisneria–Elodea succession with ecological construction.

BROCHURE REFERENCE / TECHNICAL CONTEXT

The brochure reports >70% reduction in internal phosphorus release for its mineral-capping and oxygenation approach.

This is a brochure-reported technical outcome, not a guaranteed reduction for every waterbody. Material suitability and field performance need site-specific validation.