Many species of nematodes are 'free-living', living in soil, sea and freshwater. These feed on bacteria, fungi, protozoans and even other nematodes, and play a very important role in nutrient cycling and release of nutrients for plant growth. Other nematodes attack insects, and help to control insect pests.
Are more roundworms beneficial or harmful?
The majority of soil nematodes are beneficial to soil health and the environment. Nematodes are often talked about in a quiet fearful voice. The image of the small microscopic worms can bring grown men to their knees. Unfortunately like many things in our world, a few “bad” apples have ruined the entire bushel.
Are roundworms good for the environment?
Because round worms often comprise a large portion of a fresh water habitat's biomass, they are very important in the food chain.
Do roundworms have a purpose?
Roundworms in the Environment Roundworms can be free-living organisms, but they are probably best known for their role as significant plant and animal parasites.
Are roundworms important to soil ecology?
Free-living nematodes are very important and beneficial in the decomposition of organic material and the recycling of nutrients in soil. Nematode bacterivores and fungivores do not feed directly on soil organic matter, but on the bacteria and fungi which decompose organic matter.
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