How to identify a northern snakehead, what to do if one turns up in your water, and why the fish is usually well established by the time anyone reports it.
Lake Pulse Editor |
Molecular detection finds an invasive species long before anyone can see it. How eDNA works, what it cannot tell you, and why non-detection is worth paying for.
Lake Pulse Editor |
Deep lakes split into layers that do not mix for half the year. Stratification, turnover, and why the bottom of your lake runs out of oxygen every August.
Lake Pulse Editor |
Six things turn a lake green, and only one is dangerous. How to tell them apart, and why appearance cannot tell you whether a bloom is toxic.
Lake Pulse Editor |
Nobody publishes lake testing prices, so communities assume it is unaffordable. The honest ranges, what drives them, and the mistake that actually wastes money.
Lake Pulse Editor |
Oxygen in your lake swings every 24 hours and bottoms out before dawn. Why fish kills happen at 5 a.m., and why a midday reading tells you almost nothing.
Lake Pulse Editor |
Phosphorus drives algae growth, but the total number is a poor predictor. Available versus bound phosphorus, internal loading, and why watershed fixes sometimes change nothing.
Lake Pulse Editor |
Chloride from road salt never leaves your lake. Why that makes it the cleanest watershed indicator available, and how salt quietly becomes an algae problem.
Lake Pulse Editor |
A black-and-white disc invented in 1865 is still one of the most valuable instruments a lake community can own. What it measures, what it cannot, and why consistency beats precision.
Lake Pulse Editor |
Clear water can still be unsafe, and the fact that nobody got sick last week proves nothing. What actually determines whether a lake is safe to swim in.
Lake Pulse Editor |
