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Seed source variation affects the growth, biomass, carbon stock, and climate resilience potential: A case study of Celtis australis in Indian Himalayas

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Title Seed source variation affects the growth, biomass, carbon stock, and climate resilience potential: A case study of Celtis australis in Indian Himalayas
Not Available
 
Creator Raj Kumar
Harsh Mehta
Arvind Kumar
Ajay Kumar Bhardwaj
Rajesh Kaushal
Sneha Dobhal
Anand K Gupta
Rakesh Banyal
Manish Kumar
Suresh Kumar
Kamlesh Verma
 
Subject C. australis; Seed source; Growth; Carbon stock; Climate change
 
Description Not Available
Climate change has adversely affected the tree species growth throughout the globe. In
Indian Himalayas, Celtis australis is an important agroforestry tree species which is highly
exploited for domestic use (fuel wood, fodder, and small timber), and thus the growth and
biomass production linked to the species bears importance. However, growth, biomass,
and carbon stock of C. australis can be improved if genetically superior planting material is
used under agroforestry programmes. Therefore, seed source (SS) variation studies in C.
australis were initiated to identify potential germplasm for improving the species productivity
and climate resilience. Experimental results showed that genotypic variation for
height, collar diameter, and total biomass were found higher than corresponding environmental
variance after four years. In the field environment, highest plant growth was
recorded in Tehri SS (Height: 4.88 m; Diameter: 9.69 cm) and Solan SS (Height: 4.81 m;
Diameter: 8.64 cm), compared to rest of the seed sources. In contrast, least plant growth
(Height: 3.46 m; Diameter 5.19 cm) was observed in Dehradun SS. Likewise, biomass
production was assessed maximum (207 t ha 1) in Tehri SS and it was minimum
(44 t ha 1) in Dehradun SS. In different seed sources, the estimated carbon stock and
carbon sequestration was ranged between 33 103 t ha 1 and 99e381 t ha 1, respectively.
Overall, growth, biomass, carbon stock, and carbon sequestration confirmed the superiority
of Tehri SS over rest of the SS, after four years of field experiment. Moreover, Tehri SS
showed better mitigation and adaptation potential for changing climate compared to rest
of the SS, because of its superiority in term of the growth performance, biomass production,
carbon stock, and carbon sequestration. The results indicated that SS induced
genetic variation has the tremendous potential to improve the productivity and climate
change mitigation and adaptation in C. australis. Therefore, selection of genetically diverse
seed sources and evaluation of their potential (adaptive and mitigate) could be one of the
futuristic strategies for climate change related fine-tuning of agroforestry practices
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Date 2021-04-23T09:52:52Z
2021-04-23T09:52:52Z
1001-01-01
 
Type Research Paper
 
Identifier Kumar R, Mehta H, Kumar A, Bhardwaj A K, Kaushal R, Dobhal S, Banyal R, Kumar M, Kumar S, Verma K. 2020. Seed source variation affects the growth, biomass, carbon stock, and climate resilience potential: A case study of Celtis australis in Indian Himalayas. Global Ecology and Conservation, https://doi.org/10.1016/j.gecco. 2021.e01469
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http://krishi.icar.gov.in/jspui/handle/123456789/46648
 
Language English
 
Relation Not Available;
 
Publisher Elsevier