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Designing Better Retention Ponds

Hydrology is the science of modeling water flow and volume to correctly size storm water features like retention ponds. 

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Potential Environmental Impacts of Retention Ponds

Any pond you add to a natural or developed landscape should enrich the ecosystem by treating runoff and offering a habitat for wildlife. 

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Retention vs Detention Ponds

It’s easy to confuse retention ponds for detention ponds or basins when you’re exploring storm water management options. 

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The Basics of Retention Ponds

Retention ponds are often as simple as holes dug in low lying dirt areas but can also reach high levels of complexity with multiple compartments, advanced filtration systems, and extensive overtopping protection for floods. 

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Protecting Fish from Predators and Self-Feeding

Fish fry are a primary food source for a wide range of amphibians, insects, animals, and even the fish themselves.

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The Question of Fertilization and Other Treatments for a Nursery Pond

Fertilizer is generally thought of as something limited to use on land. However, nursery ponds for raising fry and fingerlings are fertilized prior to the addition of new fish.

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Feeding Fry to Fingerling Stages of Growth

Feeding fry properly is the single most challenging part of running a nursery pond. Fry are not easy to feed, and even a steady supply of phytoplankton and other tiny lifeforms can suddenly disappear overnight or fail to keep them thriving.

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Which Liner Material is Right for a Nursery Pond?

Don’t underestimate the number of options you have for lining a nursery pond, even after you decide you want a flexible geomembrane.

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Liners to Prevent Water Loss in Nursery Ponds

While few fish pond owners would try to building rearing or feed-out ponds without a solid liner, these materials are also needed for nursery ponds.

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Flow and Water Change Requirements for Nursery Ponds

Like all fish rearing ponds, nursery ponds require a steady supply of conditioned fresh water and routine water changes.

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