Zone 2 Rocky Reef : St. Lawrence River

Ontario, Canada

Observed by
Emma Ehrenfeld
pH (0-14) What's this? 7.5
Dissolved oxygen mg/L What's this? 10.0
Secchi depth m What's this? bottom visible
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 0.5
Conductivity μS/cm What's this? 305.0
Air temperature °C What's this? 21.3
Water temperature °C What's this? 20.0

Wildlife


Weather

Current weather What's this?
  • cloudy
100% cloud cover, very slight wind.
Weather in previous 24 hours What's this?
  • sunny
  • windy
Very sunny and humid, relatively windy.

Latest photos


Notes

very rocky bottom, deep sediment.
We saw female and male mallards - no ducklings though.
Fish species included rock bass, bluntnose shiners, and killifish. There were also a surplus of young-of-year perch and largemouth bass.
Macrophytes seen were flatleaf pondweed, richardsons pondweed, elodea, and white fragrant waterlilies.