Each year, spring rain and snow melt fill up seasonal or vernal pools. These pools provide a unique habitat for many salamanders, frogs, crustaceans and insects to mate and lay their eggs.
The spotted lanternfly, an invasive species native to Asia, feeds on 70+ plants, including timber and agricultural products, causing substantial economic damage across the state and mid-Atlantic.
Invasive plants are common in Allegheny County and outcompete native species, reducing diversity and harming ecosystems. Learn to spot these invasive shrubs in your own yard.
What happens to fish and other aquatic organisms during winter? These creatures have come up with several adjustments to meet the challenges of cold weather.
While rock salt reduces winter road accidents, it also has serious, negative effects on aquatic ecosystems. At high concentrations, salt can be fatal to some aquatic animals.