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About Lake Doctors
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Aquatic Weeds and Algae
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Geese
Mosquitos
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Other Products
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Swimming, Fishing and Irrigation
How can I find out more about The Lake Doctors? Where does Lake Doctors offer their water management programs?
Will the treatments by Lake Doctors or aquatic products I apply kill or harm the fish and wildlife? How can I get rid of the pond scum or moss in my pond? How can I get rid of the weeds in my pond? What about the 'weed-eating' grass carp? How long does it take to get results? What happens to the treated weeds and algae? Will treatments control the mosquitoes? Would a fountain or aerator help control the algae and weeds? Will treatments kill the bacteria and germs, making my pond safe for swimming? What if I don't know what the weeds are growing in my lake or pond?
How can I get rid of the geese?
What can I do about mosquitos?
What can I use to help my pond if I don't want to use herbicides or algaecides?
Can the water in my pond be used for swimming, fishing and irrigation after treating the weeds and algae? |
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Before attempting to identify a weed, it is best to determine what category it is in. There are three broad general categories of aquatic weeds, submersed, floating and emergent weeds. The general definitions follow:
Submersed Plants
These plants are completely underwater and are generally rooted in the bottom sediment. If flowers exist, they may extend above the surface of the water. This group includes many introduced or exotic species that grow prolifically and are considered to be problematic. Theses include hydrilla, Brazilian elodea, slender pondweed, curly-leaf pondweed, slender naiad and Eurasian watermilfoil.
Floating Plants
These plants either float freely on the surface, deriving their nutrients directly from the water or they have leaves that float on the surface and are rooted in the bottom sediment. Examples include duckweed, watermeal, azolla, water hyacinth, and water-lily.
Emergent
These plants have most or all of their vegetative and flowering parts above the surface of the water or on the shoreline. They grow in shallow areas and banks of lakes, ponds, rivers and ditches. This group is also referred to as shoreline and wetland plants. Generally rigid, these plants do not need water for support. Many are not considered truly aquatic but can survive submerged in water or in saturated soils for extended periods of time. Plants in this category include cattails, alligatorweed, torpedograss, smartweed, purple loosestrife, arrowhead and pickerelweed.
Algae
The algae are single-celled or multi-celled plants that lack true supporting or conducting tissues. Many species are commonly called pond scum, moss, or slime. The algae are separated into several groups: plantonic algae is composed of single cells or small colonies and are usually free-floating or suspended in the water column giving a green, brown or even sometimes red color to the water. Filamentous algae is a multi-cellular algae whose cells are attached end to end to form long threads. Macrophytic algae, such as chara and nitella, are larger, multi-branched algae mimicking underwater weeds.
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