Vegetation Analysis in Community Forests of Terai Region, Nepal

Joshi, Rajeev; Chhetri, Ramesh; Yadav, Karan Singh

doi:10.3126/ije.v8i3.26667

Cited by 16 publications

(25 citation statements)

References 14 publications

(14 reference statements)

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“…According to the results, the most dominant tree species in Ganesh and Ramnagar community forests were Mallotus philippensis and Shorea robusta accounting for 97.16 and 178.49, respectively. The lowest IVI was for Syzygium cumini (1.70) and Adina cordifolia (1.41) in Ganesh and Ramnagar community forests respectively (Joshi et al 2019).…”

Section: Community Attributes (Importance Value Index)mentioning

confidence: 89%

“…Many trees in the studied community forests reach DBH of less than 20 cm. According to Johnson & Coburn (2010), if trees in forests are well stocked, it typically sequestrates carbon at a maximum rate between the age of 10, 20, and 30 years old. As an indicator, at the age of 30 years, about 200-520 tons of carbon dioxide (CO 2 ) are sequestered per ha in forests with productivity ranging from low to high.…”

Section: Carbon Stock and Sal Forestmentioning

confidence: 99%

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Regeneration Status and Carbon Accumulation Potential in Community Managed Sal (Shorea robusta) Forests of Far-Western Terai Region, Nepal

Joshi¹

2021

EuroJEcol

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Regeneration patterns of species population can address climate change by adaptive evolution or by migrating association to survival in their favorable climate and finally decide the particular forest future. This research examined the status of regeneration and carbon sequestration potential in tropical Sal (Shorea robusta) forest of Kanchanpur district, Nepal. For the study, a total of 63 concentric sample plots were investigated by using systematic sampling with 0.5% sampling intensity. Regeneration status of forest was estimated by calculating the density of each species in each developmental phase. The above-ground carbon stock of trees species were estimated using allometric equations. The studied forests had good regeneration status and Shorea robusta was the dominant species in terms of regeneration and carbon stock. Ramnagar community forest had greater number of seedling, sapling and tree than that of the Ganesh community forest. Reverse J-shaped population curves were recorded at both the study sites. This study provided information about the regeneration status, structure, composition and carbon sequestration potential of tree species which is very necessary for conservation and sustainable management of community forests. Studies indicate that community management has increased the carbon stock of forests and also has promoted the productivity of forests by altering the structure and composition of the community forests.

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Section: Community Attributes (Importance Value Index)mentioning

confidence: 89%

Section: Carbon Stock and Sal Forestmentioning

confidence: 99%

Regeneration Status and Carbon Accumulation Potential in Community Managed Sal (Shorea robusta) Forests of Far-Western Terai Region, Nepal

Joshi¹

2021

EuroJEcol

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“…The soil of Ganesh CF was alluvial, sandy, and graveled whereas the soil of Ramnagar CF varies from alluvial to clay loam and is mostly black. Ganesh CF consists of scattered stands of mixed Sal broad-leaved natural forests whereas Ramnagar CF mainly consists of natural Sal forests (Joshi et al, 2019). Under this study, two CFs were divided into degraded (Ganesh CF) and non-degraded (Ramnagar CF) categories based on certain parameters (For detail explanation see Joshi et al, 2020).…”

Section: Study Areamentioning

confidence: 99%

Carbon sequestration potential of community forests: A comparative analysis of soil organic carbon stock in community managed forests of Far-Western Nepal

Joshi¹,

Singh²,

Chhetri³

et al. 2021

Eurasian Journal of Soil Science (Ejss)

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Assessment of soil organic carbon (SOC) pool is an essential pace for understanding the carbon sequestration potential (CSP) of the soil system as a mitigation strategy and also investigate that they act as a source or sink for the atmospheric CO2 subject to the level of saturation. Improved CSP has been recognized as one of the possible solutions for mitigating climate change. The CSP of soil system for the community forests (CFs) in Nepal is not well recognized. Therefore, a study was conducted in two community-managed forests viz Ganesh (degraded) and Ramnagar (non-degraded) CFs situated in the Kanchanpur district of Nepal to quantify the SOC and Bulk density (BD). For determining SOC, systematic sampling with a sampling intensity of 0.5% was used for collecting altogether 189 soil samples from both the CFs. In addition, the soil samples from varying depths (0-10, 10-20, and 20-30 cm) of each soil profile were collected from each sampling plot. The mean SOC observed upto 30 cm soil depth in Ganesh and Ramnagar CF was 42.55 ± 3.10 t ha -1 and 54.21 ± 3.59 t ha -1 respectively. While, maximum SOC was noticed at 0-10 cm whereas minimum at 20-30 cm in both the CFs. Moreover, SOC decreased and bulk density increased with increasing soil depth in both the CFs. SOC and BD was negatively correlated in both CFs. The total SOC pool exhibited a significant (p<0.05) difference between the two CFs. Hence, the outcome of study shows that the both CFs has enormous potential to sequester the atmospheric concentration of CO2 into soil. With this concern, the participation of local people in sustainable management of community forests enhance the soil quality and meets strategy to mitigate the climate change.

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“…The different disturbance intolerant species of CF may therefore benefit from sustainable forest management that restricts the illegal removal of standing dead trees, fallen timber for firewood and pruning of canopies (Dahal et al 2014;Joshi et al 2019. However, the relationship between the richness of bird species and the level of disturbances were not investigated in this study.…”

mentioning

confidence: 95%

Factors affecting the species richness and composition of bird species in a community managed forest of Nepal

Poudel

Neupane

Joshi³

et al. 2021

J. Threat. Taxa

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There exists limited information on biodiversity including avifaunal diversity and habitat condition in community forests (CF) of Nepal; thus we aimed to fulfill such gaps in Tibrekot CF of Kaski district. We used the point count method for assessing bird diversity and laid out a circular plot size of radius 5-m within 15-m distance from each point count station for recording the biophysical habitat characteristics. Bird species’ diversity, richness and evenness were calculated using popular indexes and General Linear Model (GLM) was used to test the respective effect of various biophysical factors associated with the richness of bird species. In total, 166 (summer 122, winter 125) bird species were recorded in 46 sample plots. The Shannon-Wiener diversity index was calculated as 3.99 and 4.09, Margalef’s richness index as 16.84 and 17.53 and Pielou’s evenness index as 0.83 and 0.84 for summer and winter, respectively. The influencing factors for richness of bird species were season (χ21, 90= 112.21; P= 0.016) with higher richness in the summer season and low vegetation cover (χ21, 89= 113.88; P= 0.0064) with higher richness in lower percentage cover. Thus, community managed forest should be protected as it has a significant role in increasing bird diversity, which has potential for attracting avifaunal tourism for the benefit of the local communities.

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Vegetation Analysis in Community Forests of Terai Region, Nepal

Cited by 16 publications

References 14 publications

Regeneration Status and Carbon Accumulation Potential in Community Managed Sal (Shorea robusta) Forests of Far-Western Terai Region, Nepal

Regeneration Status and Carbon Accumulation Potential in Community Managed Sal (Shorea robusta) Forests of Far-Western Terai Region, Nepal

Carbon sequestration potential of community forests: A comparative analysis of soil organic carbon stock in community managed forests of Far-Western Nepal

Factors affecting the species richness and composition of bird species in a community managed forest of Nepal

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