Ecology, Environment and Conservation Paper

Vol 21, Issue 2, 2015; Page No.(691-698)

THE RELATIONSHIPS AMONG CARBON SEQUESTRATION, EROSION AND SOME SOIL PROPERTIES IN DIFFERENT LAND-USE TYPES

Sayed Fakhreddin Afzali and Maryam Soleymani

Abstract

The density of the atmosphere‘s CO2, due to humans‘ destructive activities has increased the global warming process too much. The lands‘capabalities and their improving management play important roles in order to absorb the atmosphere‘s Carbon. This research has been performed based on an essential random plan in a factorial design to review the effect of different uses of lands in the amount of sequestration Carbon, erodiblity coefficient and some other charecrestics of soil in Cahardeh zone located in Gachsaran Province. Soil sampling has been done from the 4 land-use types of the farm No.1 (repeated cultivation), farm no.2(consecutive-year Fallow),a Grassland and a citrus garden and from depths of 0-5 cm and 15-30 cm, the relation between some physical and chemical factors of soil with organic carbon of the soil has been reviewed. The amount of carbon sequestration in the soil of land uses of farm No.2 (5.450 ton/ha) has seen more than land uses of farm No.1 (4.633 ton/ha), grassland (4.606 ton/ha) and citrus garden (3.304 ton/ha) without any significant different organic carbon of the soil in the depths of 0-5 cm of the reviewed land use was more than the depths of 15-30 cm. The pH, EC, bulk density, the soil porosity, MWD among the reviewed land-use types shows a significant difference. The result of step-by-step regression also showed that the EC, erodiblity coefficient and the clay percentage of the soil are the most important and effective features over the soil‘s organic carbon amount in the reviewed land uses.

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