Aquatic Plants

Information on pond management and aquatic plants, including identification, chemical or biological control of aquatic plants and harmful algae blooms. Tips on invasive species, such as European water chestnut, pondweeds, filamentous algae.

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Management of Aquatic Plants DVD
Management of Aquatic Plants DVD - Guides and Publications Guides and Publications
$5.00
This DVD highlights the benefits of aquatic plants and algae along with suitable strategies to control excessive growth when it occurs. More
Fish ponds provide can aesthetic beauty, wildlife habitat, fishing, swimming, as well as water for livestock, irrigation, or fire protection.
Management of Fish Ponds in Pennsylvania - Articles Articles

Management of Fish Ponds in Pennsylvania

Bryan Swistock, William Sharpe, Ph.D.

Are you building a new pond on your property? Do you already have a pond that you use for swimming, irrigation, fishing, or other activities? More
Water Quality Concerns for Ponds
Water Quality Concerns for Ponds - Articles Articles
This is a summary of some common water quality parameters that may cause problems in ponds and how to detect and treat them. 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, Amy Galford, James Andrew Clark

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
Naiad
Naiad - Articles Articles

Naiad

Bryan Swistock

One of the most common native, submerged pond plants in Pennsylvania. More
Figure 1. Filamentous algae as it typically appears in July or August after forming floating mats.
Filamentous Algae - Articles Articles

Filamentous Algae

Bryan Swistock

Different species of filamentous algae exist, but all have a similar growth habit. These algae begin growth in the winter and early spring on the pond bottom. 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
Elodea (Common Waterweed)
Elodea (Common Waterweed) - Articles Articles

Elodea (Common Waterweed)

Bryan Swistock

Elodea is one of the few pond plants that can remain green all winter long. More
Duckweed and watermeal covering a pond.
Duckweed and Watermeal - Articles Articles

Duckweed and Watermeal

Bryan Swistock

Duckweed and watermeal are free-floating aquatic plants that are commonly encountered in Pennsylvania. They are commonly found in nutrient-rich ponds with stagnant or little flow. 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
Coontail
Coontail - Articles Articles

Coontail

Bryan Swistock

Coontail is a common aquatic plant in Pennsylvania ponds and lakes. It has whorls of stiff leaves that get more compact toward the end of the stem. More
Nitella
Chara and Nitella - Articles Articles

Chara and Nitella

Bryan Swistock

Nitella and Chara look like rooted, aquatic plants, but both are actually a form of algae. 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
Planktonic algae bloom. Photo: Ed Molesky, Aqua-Link, Inc.
Pond Algae: It's Not All Bad! - Articles Articles
Late summer brings questions to Penn State Extension from pond owners about nuisance algae growth. More
Pond Agencies and Permits in Pennsylvania
Pond Agencies and Permits in Pennsylvania - Articles Articles
Information on the role of various agencies and permits that may be required for construction or maintenance of earthen ponds. More
Figure 1. Typical calcitic limestone sand used for direct application to streams.
Limestone Sand: Pros and Cons - Articles Articles

Limestone Sand: Pros and Cons

Bryan Swistock, William Sharpe, Ph.D.

Limestone sand has come into wide use in the treatment of waters acidified by acid rain or acid mine drainage. More
Management of Aquatic Plants
Management of Aquatic Plants - Guides and Publications Guides and Publications

Management of Aquatic Plants

Bryan Swistock

32

$4.00
Understand the importance and benefits of aquatic plants, and learn how to manage them in your pond. More
A Field Guide to Common Aquatic Plants of Pennsylvania
A Field Guide to Common Aquatic Plants of Pennsylvania - Guides and Publications Guides and Publications

A Field Guide to Common Aquatic Plants of Pennsylvania

Bryan Swistock, Susan Boser

104

$11.00
Identify and manage the aquatic plants growing in your pond. More