Impact of deforestation on soil carbon stock and its spatial distribution in the western black sea region of Turkey

Mehmet Ali Kucuker, Mert Guney, H. Volkan Oral, Nadim K. Copty, Turgut T. Onay

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Land use management is one of the most critical factors influencing soil carbon storage and the global carbon cycle. This study evaluates the impact of land use change on the soil carbon stock in the Karasu region of Turkey which in the last two decades has undergone substantial deforestation to expand hazelnut plantations. Analysis of seasonal soil data indicated that the carbon content decreased rapidly with depth for both land uses. Statistical analyses indicated that the difference between the surface carbon stock (defined over 0-5cm depth) in agricultural and forested areas is statistically significant (Agricultural=1.74kg/m2, Forested=2.09kg/m2, p=0.014). On the other hand, the average carbon stocks estimated over the 0-1m depth were 12.36 and 12.12kg/m2 in forested and agricultural soils, respectively. The carbon stock (defined over 1m depth) in the two land uses were not significantly different which is attributed in part to the negative correlation between carbon stock and bulk density (-0.353, p<0.01). The soil carbon stock over the entire study area was mapped using a conditional kriging approach which jointly uses the collected soil carbon data and satellite-based land use images. Based on the kriging map, the spatially soil carbon stock (0-1m dept) ranged about 2kg/m2 in highly developed areas to more than 23kg/m2 in intensively cultivated areas as well as the averaged soil carbon stock (0-1m depth) was estimated as 10.4kg/m2.

Original languageEnglish
Pages (from-to)227-235
Number of pages9
JournalJournal of Environmental Management
Volume147
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

Fingerprint

Deforestation
soil carbon
Spatial distribution
deforestation
spatial distribution
Soils
Carbon
carbon
land use
Land use
kriging
carbon cycle
agricultural soil
carbon sequestration
bulk density
land use change
Black Sea
plantation

Keywords

  • Deforestation
  • Geographic information system (GIS)
  • Geostatistical analysis
  • Land use change
  • Soil carbon stock

ASJC Scopus subject areas

  • Environmental Engineering
  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

Cite this

Impact of deforestation on soil carbon stock and its spatial distribution in the western black sea region of Turkey. / Kucuker, Mehmet Ali; Guney, Mert; Oral, H. Volkan; Copty, Nadim K.; Onay, Turgut T.

In: Journal of Environmental Management, Vol. 147, 01.01.2015, p. 227-235.

Research output: Contribution to journalArticle

Kucuker, Mehmet Ali ; Guney, Mert ; Oral, H. Volkan ; Copty, Nadim K. ; Onay, Turgut T. / Impact of deforestation on soil carbon stock and its spatial distribution in the western black sea region of Turkey. In: Journal of Environmental Management. 2015 ; Vol. 147. pp. 227-235.
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