Kingdom of Knuffel

2011-04-15 06:08:27 Water Bird 1 Bought by bid for 8000 FP from nepenthe

Cattail, bulrush, reed and sedge species are all common in constructed wetland ecosystems. They play various roles in a constructed wetland. Some remove heavy metals, while others are more skilled at removing organic matter.

Phragmites australis, the common reed, is often used in water treatment in Europe to remove nitrogen. However, it can be invasive in North America and Australia. Duckweed (Lemnoideae family) also removes nitrogen and phosphorus. Typha has shown promise for removing heavy metals, and for those who weave, its vegetation can be used for mats and baskets. Iris and water hyacinth can also remove heavy metals such as lead, copper, zinc, nickel and cadmium, but take care, as water hyacinth can also be invasive in many locales.

As with all choices of wetland plants for the garden, plant species should be chosen with local ecology in mind. Always check with local wetland plant experts to ensure that a species is not invasive in local wetlands. Many wetland species breed and spread easily!

A wetland garden can be full of life. It can also add to the sustainability of a home by allowing a gardener to conserve and reuse gray water. Turn a pond or a wet garden into a place that works for the planet by reframing it as a water treatment system.

(o_o)

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