Carbon Storage Potential of Agroforestry System near Brick Kilns in Irrigated Agro-Ecosystem

Agriculture

卷:12

Nayab Komal¹  Qamar uz Zaman¹  Mubeen Ahmad¹  Muhammad Waqas¹  Ammara Batool¹  Saba Nazir¹  Imran Talib¹  Kamran Ashraf²  Ghulam Yasin³  Yinglong Chen⁴ 

[1] Department of Environmental Sciences, The University of Lahore, Lahore 54590, Pakistan;

[2] Department of Food Sciences, Government College University Faisalabad Sahiwal Campus, Sahiwal 57000, Pakistan;

[3] Department of Forestry, Range and Wildlife Management, Baghdad Ul Jadeed Campus, The Islamia University, Bahawalpur 63100, Pakistan;

[4] The UWA Institute of Agriculture, School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia;

关键词: agroforestry;    brick kilns;    carbon emissions;    climate change;    carbon sinks;    carbon stock;   

DOI  :  10.3390/agriculture12020295

来源: DOAJ

【 摘 要 】

The current study was conducted to estimate the carbon (C) storage status of agroforestry systems, via a non-destructive strategy. A total of 75 plots (0.405 ha each) were selected by adopting a lottery method of random sampling for C stock estimations for soil, trees and crops in the Mandi-Bahauddin district, Punjab, Pakistan. Results revealed that the existing number of trees in selected farm plots varied from 25 to 30 trees/ha. Total mean tree carbon stock ranged from 9.97 to 133 Mg C ha⁻¹, between 5–10 km away from the brick kilns in the study area. The decreasing order in terms of carbon storage potential of trees was Eucalyptus camaldulensis > Syzygium cumin > Popolus ciliata > Acacia nilotica > Ziziphus manritiana > Citrus sinensis > Azadirachtta Indica > Delbergia sisso > Bambusa vulgaris > Melia azadarach > Morus alba. Average soil carbon pools ranged from 10.3–12.5 Mg C ha⁻¹ in the study area. Meanwhile, maximum C stock for wheat (2.08 × 10⁶ Mg C) and rice (1.97 × 10⁶ Mg C) was recorded in the cultivated area of Tehsil Mandi-Bahauddin. The entire ecosystem of the study area had an estimated woody vegetation carbon stock of 68.5 Mg C ha⁻¹ and a soil carbon stock of 10.7 Mg C ha⁻¹. These results highlight that climate-smart agriculture has great potential to lock up more carbon and help in the reduction of CO₂ emissions to the atmosphere, and can be further used in planning policies for executing tree planting agendas on cultivated lands and for planning future carbon sequestration ventures in Pakistan.

【 授权许可】

Unknown