Reciprocal relationship of earthworms and forests and its Effects on forest soil

Subject Areas : Water and Environment

Maryam Moslehi ¹ ( PhD student, Department of Forestry Sciences, University of Agricultural Sciences & Natural Resources, Gorgan, Iran )
Jamile Nazari ² ( M.SC. student, Department of Forestry Sciences, University of Agricultural Sciences & Natural Resources, Gorgan, Iran )

Received: 2010-05-26 Accepted : 2011-02-18 Published : 2012-03-20

Keywords: Earthworm, Litter, Organic matter, soil fertility,

Abstract :

Earthworms are important factors in soil formation and nutrient cycles. These organisms rummage soil and reform its particles and structure that are too important in succession. Earthworm frequency is related to the component of plant residues because they were nourishrd by organic matter, litter and plant residues. So kind, substance and chemical component of plant residues effect on their population and activities. Because organic matter in forests is abundant, earthworms can be introduced as the most important factor that influences on soil fertilities and improvement of it. So we studied reciprocal relationship and correlation of earthworms and forests to show how they enrich and improve soil fertilities.

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