Soil aggregate stability index and particulate organic matter in response to differently afforested lands in the temperate regions of Iran

Masoomeh Soleimany, Jamshid Eslamdoust, Moslem Akbarinia and Yahya Kooch
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Masoomeh Soleimany: Department of Forestry, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
Jamshid Eslamdoust: Department of Forestry, Faculty of Natural Resources and Marine Science, Tarbiat Modares University, Tehran, Iran
Moslem Akbarinia: Department of Forestry, Faculty of Natural Resources and Marine Science, Tarbiat Modares University, Tehran, Iran
Yahya Kooch: Department of Forestry, Faculty of Natural Resources and Marine Science, Tarbiat Modares University, Tehran, Iran

Journal of Forest Science, 2021, vol. 67, issue 8, 376-384

Abstract: Aggregate Stability Index (ASI) and particulate organic matter (POM) are strongly influenced by land use and management. This work illustrates the effects of plantations on ASI and POM-C and POM-N in northern Iran. Three plantations of P. deltoides (PD), T. distichum (TD), A. subcordata (AS), and a fourth site ‒ adjacent abandoned lands (BL, as control) were selected. Soil samples were taken within 16 quadrats of each plantation and BL from the two depths of 0-15 cm and 15-30 cm during the summer. Soil C was significantly higher under TD (2.10%) than under BL (2.02%) > PD (1.61%) > AS (1.30%). Soil N was found in ranked order of AS (8.99%) > TD (7.82%) > PD (5.30%) > BL (3.68%) (P < 0.019). The significantly higher ASI was found under TD (57.49) in comparison with PD (53.10), BL (51.23), and AS (36.57). The POM-C was as follows: TD (0.209%) > PD (0.141%) > AS (0.139%) > BL (0.075%) (P = 0.020). The highest POM-N was found under TD (0.035), followed by AS (0.0284%), PD (0.0288%), and BL (0.007%). The results indicate the positive effect of afforestation on soil ASI and POM-C and POM-N, especially in the surface layers of soil.

Keywords: afforestation; organic matter; soil properties; tree species; land use (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:67:y:2021:i:8:id:20-2021-jfs

DOI: 10.17221/20/2021-JFS

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