Snye Marsh : St. Lawrence River

Quebec, Canada

Observed by
Emma Ehrenfeld
pH (0-14) What's this? 7.2
Dissolved oxygen mg/L What's this? 5.5
Secchi depth m What's this? bottom visible
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 0.75
Conductivity μS/cm What's this? 282.8
Turbidity NTU What's this? 1.12
Air temperature °C What's this? 23.5
Water temperature °C What's this? 23.1


Amphibian What's this?
Plant What's this?
Insect What's this?

Invasive Species

Phragmites What's this?
Loosestrife What's this?
Other Invasive
Other Invasive What's this?


Current weather What's this?
  • cloudy
Cloudy (~95% cloud cover) and no wind
Weather in previous 24 hours What's this?
  • cloudy
Overcast, no wind

Latest photos


Plants Purple loosetrife, phragmites, typha sp., bullrush, American burweed, elodea, arrowhead, pickrelweed, Fragrant white water lilies, Richardsons pondweed, sago, WATER NYMPH.

Insects: Water scoprion, dragonfly larvae, aquatic caterpillar, giant water bug (young stage), water boatmen.
Annelids: leeches
Gastropods: Bladder snail, amber snail, greater pond snail.

Amphibians: Green frog (heard).

Fish: Largemouth bass, bluegill sunfish, lepomis (sunfish) species too small to identify, broke silversides, golden shiner, yellow perch, brown bullhead catfish, pumpkinseed sunfish, mimic shiner, bluntnose minnow, blackchin shiner.