Invasive Species

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Water Chestnut Rosette Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Focus on Aquatic Invasive Species – European Water Chestnut - Articles Articles
The European Water chestnut has nothing to do with the edible variety. It is a rooted aquatic plant that can dominate ponds, shallow lakes, and rivers. More
Identifying and Managing Aquatic Invasive Species
Identifying and Managing Aquatic Invasive Species - Webinars Webinars
Free
Diane Oleson from Penn State Extension discusses best management practices for aquatic invasive species. More
Water Gardening and Aquatic Invasive Species
Water Gardening and Aquatic Invasive Species - Webinars Webinars

Water Gardening and Aquatic Invasive Species

Multiple Options Available

Free
This presentation provides an overview of the Aquatic Invasive Species (AIS) Issue as it relates to Water Gardening. More
Biological Control of Aquatic Plants
Biological Control of Aquatic Plants - Videos Videos
There are a few biological methods, that when applied correctly can be very effective and environmentally friendly to your pond. More
Causes and Prevention of Aquatic Plant and Algae Growth
Causes and Prevention of Aquatic Plant and Algae Growth - Videos Videos
When plants and algae grow abundantly, pond and lake owners often think about ways to eliminate the offending plant. Nutrient control is the long term solution. More
Cleaning Plants to Place In a Water Garden
Cleaning Plants to Place In a Water Garden - Videos Videos
This is a How-To Video that will guide you in the process of cleaning plants before adding them to a water feature. More
Physical Control of Aquatic Plants
Physical Control of Aquatic Plants - Videos Videos
There are a variety of physical control strategies that can be employed. Physically harvesting aquatic plants can have a positive, long-lasting effect. More
The Aquatic Plant Naiad
The Aquatic Plant Naiad - Articles Articles

The Aquatic Plant Naiad

Bryan Swistock

One of the most common native, submerged pond plants in Pennsylvania. More
Triploid grass carp are one potential management strategy for aquatic plants in your pond
Using Grass Carp to Control Aquatic Plants - Articles Articles

Using Grass Carp to Control Aquatic Plants

Bryan Swistock, Jennifer R Fetter

This information explains how to use grass carp for biological aquatic vegetation control. More
Pond Ecology
Pond Ecology - Articles Articles

Pond Ecology

Bryan Swistock

A brief overview of the natural processes of an earthen pond and how to maintain a healthy pond. More
Planktonic Algae
Planktonic Algae - Articles Articles

Planktonic Algae

Bryan Swistock

Planktonic algae floats in the water column and can sometimes be confused with muddy water. It causes the water to look green, brown or reddish in color. More
Curly-Leaf Pondweed
Curly-Leaf Pondweed - Articles Articles

Curly-Leaf Pondweed

Bryan Swistock

One of more than 20 pondweed species (Potamogetons) that occur in Pennsylvania, this invasive plant from Europe frequently grows to nuisance levels in ponds. More
A weighted onion bag with loose barley straw.
Barley Straw for Algae Control - Articles Articles
In recent years, the use of barley straw has become more common as an alternative method for controlling excessive algae growth. More
Common Causes of Fish Kills in Ponds
Common Causes of Fish Kills in Ponds - Articles Articles
Fish kills are common in many ponds. This article describes common reasons for fish kills in different seasons. More
Eurasian Water Milfoil
Eurasian Water Milfoil - Articles Articles

Eurasian Water Milfoil

Bryan Swistock

Eurasian Milfoil is an invasive, nonnative, plant with long stems, often reaching to the surface, with feather like leaves in whorls of 4 or 5 around the stem. More
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