Forests floors naturally accumulate a layer of litter, which can include twigs and sticks, leaves, evergreen needles, and other materials. This litter is an important part of the forest, as it provideshomes andnutrients for various plants and animals. The litter also helps to slow the flow of rain water and snowmeltover land, allowing it to soak into the soil andreplenish groundwater supplies. In fact, in forests with well drained soils and a layer of litter, about 70 percent of the rainfall and snowmelt soaks into the ground. In contrast, virtually no water soaks into the ground if it falls on pavement. Soils that have a layer of litter are also less susceptible to compaction; compact soils allow less water to soak into the ground.
Viewer Tip: Regardless of whether you live in a rural or suburban area, keep a layer of litter on wooded areas of your property, whether it be leaves, mulch, or naturally occuring twigs and branches. Thiswill allow more rain water to soak into the ground, recharging the groundwater supply whichhelps to maintains consistent flow in our rivers and streamsthroughout the year. Leaving a layer of litteralso helps reduce erosion on your property and promotes general soil health and fertility.
Seasons: Spring, Summer, Fall, Winter
(Sources: North American Lake Management Society: Fundamental of Urban Runoff Management (2007). Chapter 8: Impact Avoidance. Accessed Online 23 November 2007 <http://www.nalms.org/Resources/PDF/Fundamentals/Fundamentals_Chapter_8.pdf)
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