Vegetation dynamics and soil properties following low-intensity wildfire in loblolly pine (Pinus taeda L.) planted forest in Northern Iran

Mahdiyeh Nezhadgholam-Zardroodi, Hassan Pourbabaei, Mehrdad Ghodskhah-Daryaei, Ali Salehi, Shahram Enayati-Charvadeh and Jamshid Eslamdoust
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Mahdiyeh Nezhadgholam-Zardroodi: Department of Forestry, Natural Resources Faculty, University of Guilan, Sowmehsara, Guilan, Iran
Hassan Pourbabaei: Department of Forestry, Natural Resources Faculty, University of Guilan, Sowmehsara, Guilan, Iran
Mehrdad Ghodskhah-Daryaei: Department of Forestry, Natural Resources Faculty, University of Guilan, Sowmehsara, Guilan, Iran
Ali Salehi: Department of Forestry, Natural Resources Faculty, University of Guilan, Sowmehsara, Guilan, Iran
Shahram Enayati-Charvadeh: Department of Natural Disaster Management, Faculty of Environment, University of Tehran, Tehran, Iran
Jamshid Eslamdoust: Department of Forestry, Faculty of Natural Resources and Marine Science, Tarbiat Modares University, Tehran, Iran

Journal of Forest Science, 2022, vol. 68, issue 4, 145-155

Abstract: Vegetation dynamics, soil properties, and the correlation between them following a wildfire are crucial to understanding the recovery of forest (natural or planted forest) ecosystems. We compared species composition and soil properties in two burned (Br) and unburned (UBr) sites of loblolly pine (Pinus taeda L.) stand in Northern Iran. We detected 39 plant species including 22 (56.4%) species that were common in both sites, 13 (33.3%) species specifically in the Br site, and 4 (10.3%) species specifically in the UBr site. Although species abundance was significantly higher in the UBr site, species richness was significantly higher in the Br site. Species composition was significantly different (F = 16.25, P-value = 0.001) between Br and UBr sites. Rarefaction-extrapolation revealed consistently and significantly higher species diversity in Br site compared to UBr site for all three Hill numbers. Only sand (t = 2.23, P-value = 0.030), pH (t = 2.44, P-value = 0.018) and electrical coductivity (t = 2.98, P-value = 0.004) were significantly higher (P-value ≤ 0.05) in the Br site due to the demobilization of base cations in burnt vegetation. In the Br site, the wildfire did not cause any marked changes in C and N stocks.

Keywords: forest management; ground flora; litter thickness; soil organic matter; species composition (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:68:y:2022:i:4:id:16-2022-jfs

DOI: 10.17221/16/2022-JFS

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