Queensland Department of Environment and Science

A machine learning approach to predict river hydrographs for water quality sampling

Abstract Hydrology and water quality are innately linked, as flow dynamics control the transport of pollutants within river systems. Consequently, the timing of sample collection in water quality monitoring programs strongly influences the accuracy of estimated pollutant loads. T...

Fossil denticles reveal how ocean productivity shapes shark baselines and recovery potential

Shark populations on coral reefs have declined globally, but few baselines exist to quantify natural variability before human impact. Using fossil dermal denticles preserved in reef sediments, we reconstructed shark communities across the Isthmus of Panama before substantial expl...

Chilled and freeze-dried preservation of saltwater crocodile (Crocodylus porosus) spermatozoa

CONTEXT: Artificial insemination in farmed crocodiles is limited by poor sperm survival after cryopreservation, requiring alternative preservation strategies. AIMS: This study evaluated the effects of three extenders on saltwater crocodile (Crocodylus porosus) semen during chille...