Tree community structure, carbon stocks and regeneration status of disturbed lowland tropical rain forests of Assam, India

Buragohain, Manish Kuntal; Dar, Ashaq Ahmad; Babu, Kanda Naveen; Parthasarathy, Narayanaswamy

doi:10.1016/j.tfp.2023.100371

Cited by 8 publications

(6 citation statements)

References 67 publications

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“…The total AGB, BGB, and TB of trees were found to be 782.19 Mg ha⁻¹, 203.37 Mg ha⁻¹, and 985.56 Mg ha⁻¹ respectively (Table 1). The total AGB of trees was comparatively higher than those reported in tropical forests of India (Buragohain et al 2023, Salunkhe et al 2023. Tree species with higher density, DBH, and TBC were the chief contributors to high TB storage in the present study.…”

Section: Resultscontrasting

confidence: 62%

“…The Northeastern states of the country hold the highest percentage (65.15%) of forest cover with respect to the total geographical area of the region. Numerous studies have been conducted on the estimation of biomass and Carbon stocks in the forests of India (Bahuguna et al 2018, Raha et al 2020, Pragasan 2022, Salunkhe et al 2023) and particularly in Northeast India (Malunguja et al 2021, Yumnam and Ronald 2022, Buragohain et al 2023. However, such studies in tropical moist deciduous forests of Northeast India are limited (Banik et al 2018, Joshi 2020.…”

Section: Introductionmentioning

confidence: 99%

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Biomass and Carbon Stock of Trees in a Tropical Moist Deciduous Forest of Kamrup Metropolitan District, Assam, India

Kalita,

Yumnam

2024

Environment and Ecology

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The present investigation deals with the estimation of biomass and Carbon stock potential of tree species in a tropical moist deciduous forest of Kamrup Metropolitan district of Assam, India. For vegetation sampling of trees, the stratified random method was employed and biomass and Carbon stock of trees were estimated by using an allometric equation. Altogether 39 tree species representing 34 genera and 20 families were reported. A high total density and total basal cover (TBC) were reported during the investigation (1008 stem ha⁻¹ and 71.74 m² ha⁻¹ respectively). Total biomass (TB), total Carbon stock (TCS), and CO₂ equivalent were estimated to be 985.56 Mg ha⁻¹, 492.78 Mg C ha⁻¹, and 1808.50 Mg C ha⁻¹ respectively. Among the trees, Cassia fistula exhibited the highest amount of TB, TCS, and CO₂ equivalent (131.33 Mg ha⁻¹, 65.66 Mg C ha⁻¹, and 240.99 Mg C ha⁻¹ respectively). TCS displayed a positive correlation with density, TBC, and diameter of tree species. The study provides valuable information on biomass and Carbon sequestration potential of trees in the tropical moist deciduous forest, which could be of help to forest policymakers to ensure sustainable management of Carbon stock and hence promotes mitigation of global climate change.

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Section: Resultscontrasting

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Biomass and Carbon Stock of Trees in a Tropical Moist Deciduous Forest of Kamrup Metropolitan District, Assam, India

Kalita,

Yumnam

2024

Environment and Ecology

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“…(2018) in Central Africa, and Buragohain et al. (2023) in Asia on species diversity using Hill numbers (Chao et al., 2014), particularly when considering the values of species richness ( q = 0), Shannon diversity ( q = 1), and Simpson diversity ( q = 2) of tropical forest regeneration.…”

Section: Discussionmentioning

confidence: 99%

Natural forest regeneration over a fallow age chronosequence in central African moist forests

Loubota Panzou,

Mankessi,

Tsiba Ngambou

et al. 2024

Afr J Ecol

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A better understanding of the natural regeneration in tropical forests could help develop more effective restoration strategies. This study examined relationships in structural and diversity attributes of natural regeneration in five forest fallow ages after slash‐and‐burn agriculture (6 months, 2 years, 5 years, 10 years, and 15 years) in the Republic of Congo. For each fallow age, all stems with a diameter ≥1 cm and below 5 cm (height ≥ 130 cm), corresponding to natural forest regeneration, were identified to the species level, and measured (diameter and height) in 12 plots (10 m × 10 m). Three structural attributes (stem density, maximum diameter, and maximum height) and five diversity indices (species richness, Shannon diversity, Simpson diversity, Fisher's alpha and Pielou's evenness) were estimated at the plot level. Our results revealed an increase in structural and diversity attributes with fallow ages, except stem density. The young fallow (6 months, 2 years and 5 years) had greater stem density (61 ± 48 stems), while the old fallow (10 years and 15 years) had higher maximum height (5.39 ± 2.36 m) and Shannon's index (0.94 ± 0.18). These results provided new insights into natural regeneration between young and old secondary forests.

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“…Species composition, successional status, intensity of disturbance events, and resilience power of a stand contribute to variations in density, basal area, and overall community structure of forests [76][77][78][79]. The total stand basal area was found in the undisturbed sites of the PSF (30.12 m 2 ha −1 ), SDMDF (21.69 m 2 ha −1 ), and MDFWS (32.06 m 2 ha −1 ), and these values were within the range of the stand basal area observed in similar forests of the region [80].…”

Section: Community Structurementioning

confidence: 99%

Species Composition and Diversity of Plants along Human-Induced Disturbances in Tropical Moist Sal Forests of Eastern Ghats, India

Behera,

Sahoo,

Mohanty

et al. 2023

Forests

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Plant biodiversity data are prerequisites for the sustainable management of a forest. We used quantitative ecological tools to determine the species composition, diversity (richness and evenness), population structure, distribution patterns, and regeneration status of trees in a Tropical Moist Sal Forest of Eastern Ghats, India. For this purpose, a field inventory was conducted during 2020–2022 in sixteen 1.0 ha forest stands along a human-induced disturbance gradient. A total of 161 species (61 trees, 40 shrubs, 60 herbs) belonging to 77 families and 143 genera were recorded in the 16.0 ha of forest area. The results revealed a significant (p < 0.01) decrease in the tree and shrub species density, basal area, species richness, and diversity along the gradient of disturbance. However, in the case of herbs, the Shannon–Weiner diversity index increased significantly (p < 0.01) with increasing disturbance levels. Irrespective of forest types and disturbance levels, the tree diameter class (10–30 cm) accounted for the highest stem density in the forest. A mixed trend was found in the case of the basal area; the >41 cm diameter class constituted the highest basal area in the Pure Sal Forest while the 10–30 cm class was in the Moist Deciduous Forest without Sal. Tree species richness was found higher in lower diameter classes. Disturbances impacted the distribution pattern of trees; in the Pure Sal Forest, the contagious distribution of trees were 61.54%, 40%, and 12.5% in undisturbed, low-disturbed, and moderately disturbed sites, respectively. The percent of trees showing random and regular distribution increased with the increased level of disturbance in all forest types. The number of tree species having good regeneration decreased with the increased disturbance intensity in all forest types. Frequent grazing, repeated forest fires, and poor soil seed banks at the Moderately Disturbed site were the main reasons for the poor/no regeneration of Pterocarpus marsupium, Adina cordifolia, Terminalia bellerica, and some other economical species. Significant changes in structural attributes of the tree community revealed the impact of human-induced disturbances in the Moist Sal Forests of Eastern Ghats. The disturbance mosaics promoted the growth of many invasive weed species and lianas, depleting the number of valuable species in the forest. This study suggests the adaption of sustainable biodiversity conservation approaches through the active participation of the tribal so that the remnants the Moist Sal Forests of Eastern Ghats can be controlled to prevent further degradation.

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Tree community structure, carbon stocks and regeneration status of disturbed lowland tropical rain forests of Assam, India

Cited by 8 publications

References 67 publications

Biomass and Carbon Stock of Trees in a Tropical Moist Deciduous Forest of Kamrup Metropolitan District, Assam, India

Biomass and Carbon Stock of Trees in a Tropical Moist Deciduous Forest of Kamrup Metropolitan District, Assam, India

Natural forest regeneration over a fallow age chronosequence in central African moist forests

Species Composition and Diversity of Plants along Human-Induced Disturbances in Tropical Moist Sal Forests of Eastern Ghats, India

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