Carbon sequestration potential and soil characteristics of various land use systems in arid region

Hafiz Mohkum Hammad, Hafiz Muhammad Fasihuddin Nauman, Farhat Abbas, Ashfaq Ahmad, Hafiz Faiq Bakhat, Shafqat Saeed, Ghulam Mustafa Shah, Amjad Ahmad, Artemi Cerdà

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18 Citations (Scopus)


Soils contain one of the largest carbon (C) pools in the biosphere with the greatest potential of C sequestration to mitigate climate change impacts. The present study aimed at comparing C sequestration potential of various land use systems including forestlands, croplands, agroforests, and orchards in the arid region of Pakistan. Soil samples from the layers of 0–20, 20–40, 40–60, and 60–80 cm depths were collected and analysed for soil physico-chemical properties namely texture, pH, EC, NPK-soil, organic matter (SOM), and soil organic C (SOC). Additionally, the above and below ground plant biomass and C contents were estimated. Results revealed that the highest C sequestration potential (64.54 Mg ha−1) was in the above ground biomass of forest land and the lowest (33.50 Mg ha−1) in cropland. The below ground plant biomass at 0–20 cm soil depth was 14.09, 12.38, 11.78, 11.76, and 10.92 Mg ha−1 for forest land, mango orchards, agroforests, citrus orchards and cropland, respectively. The respective values in case of total C content were, 6.84, 6.79, 6.10, 5.69 Mg ha−1. Irrespective to the soil depth, below ground biomass and total C followed the order: forest land > mango orchard > citrus orchard > agroforests > crop lands. It is concluded that the forest land have greater potential for C sequestration than the other land use systems studied in the arid region of Pakistan. Therefore, in order to cope up with climate change disasters in Pakistan the massive reforestation project – named the Billion Tree Tsunami of the Government of Pakistan will prove beneficial.

Original languageEnglish
Article number110254
JournalJournal of Environmental Management
Publication statusPublished - 15 Jun 2020
Externally publishedYes


  • Land use systems
  • Soil organic carbon
  • Soil physicochemical attributes


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