Contiguous forest supports higher bird diversity compared to isolated forest: Evidence from forest landscape of Eastern Nepal

Joshi, Aastha; Baniya, Sanjeev; Shrestha, Naresh; Sapkota, Ramesh Prasad; Baral, Hem Sagar

doi:10.1016/j.gecco.2022.e02133

Cited by 6 publications

(5 citation statements)

References 38 publications

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“…The Conservation Value Index of Banpale Forest was found to be high for isolated forest patches, in agreement with Joshi et al (2022).…”

Section: Foraging Guilds and Conservation Statussupporting

confidence: 78%

“…Insectivores are the dominant guild in the Banpale Forest, similar to the observation of Katuwal et al (2018), Pandey et al (2021), Joshi et al (2022, and Upadhyaya et al (2022). The distribution of foraging guilds is governed by the availability of food as well as heterogeneity of landscape (Samia et al, 2015;Tryjanowski et al, 2015).…”

Section: Foraging Guilds and Conservation Statussupporting

confidence: 62%

See 1 more Smart Citation

Avian Diversity and Seasonal Abundance in Banpale Forest, Kaski District, Nepal

Baral,

Neupane,

Ghimire

et al. 2022

Forestry: J. Inst. Fores. Nep.

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Baseline information on bird diversity is essential for biodiversity monitoring and conservation as birds are often considered a key indicator of ecosystem health and ecological balance. Studies from other countries suggest that green patches, like university campuses, play a vital role in local bird conservation in urbanized regions. In the Kaski district of Nepal, the study of bird diversity is limited to the larger lakes of the Pokhara valley. Banpale Forest, one of the few green patches in the Pokhara valley, is considered a hotspot for birdwatching; however, no proper studies have been conducted to explore the bird diversity. This study examines the species diversity and seasonal abundance of birds in the Banpale Forest of the Institute of Forestry, Pokhara. Two trails built by villagers and students for walking were used as transects for the study. A total of 2,975 bird individuals of 125 species were counted in the survey conducted from June 2018 to May 2019, with 12 field visits along a 2.17km trail. Passeriformes (54.03%) and Accipitridae (13.71%) were the dominant order and family respectively among the recorded species. Species diversity (H’) was higher in the winter season (H’=3.99), with species richness of 13.26 and species evenness of 0.88. Insectivores (n=54) were the dominant foraging guilds among the recorded species. The high avifaunal diversity and conservation value index of Banpale Forest indicate the need for conservation planning in the region.

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“…The Conservation Value Index of Banpale Forest was found to be high for isolated forest patches, in agreement with Joshi et al (2022).…”

Section: Foraging Guilds and Conservation Statussupporting

confidence: 78%

Section: Foraging Guilds and Conservation Statussupporting

confidence: 62%

Avian Diversity and Seasonal Abundance in Banpale Forest, Kaski District, Nepal

Baral,

Neupane,

Ghimire

et al. 2022

Forestry: J. Inst. Fores. Nep.

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“…Including the MVF in the protected area system would ensure the conservation of these forests, which are especially important for birds and other wildlife. This recommendation for the protection of the whole of Mai valley forests IBA was also made in Inskipp (1989); Joshi et al (2022). Establishing a conservation area that comprises all of the Mai Valley Forests Important Bird and Biodiversity Area is highly recommended.…”

Section: Discussionmentioning

confidence: 98%

Birds and habitats recorded in the lower Mai Valley Important Bird and Biodiversity Area

Inskipp¹,

Acharya

Giri³

2022

Nep. J. Zool.

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A bird survey was carried out in the lower Mai Valley Forests (MVF) Important Bird and Biodiversity Area (IBA) in far eastern Nepal, between 180 m and 2200 m from 01 to 10 March 2022. An assessment was also made of the environmental conditions of forest and river habitats, and type and extent of agriculture. A comparison was made with a March 1981 visit. Observations were noted during a ten-day trek from Ilam (1205 m) up to Hangetham (2200 m) and down to Sukhani (180 m). The large number of 256 bird species was recorded, including one globally threatened and five globally near-threatened species, five restricted-range species, 20 nationally threatened and eight nationally near-threatened species. One new species for Nepal, black-breasted thrush Turdus dissimilis and three rare Nepal species not found in the IBA for at least 20 years, were also recorded. Extensive intact areas of semi-evergreen subtropical and lower temperate mixed broadleaved forests valuable for birds still remain. Tropical forests have been fragmented and mainly replaced by tea and rubber plantations, and also by the spread of agriculture. However, Sukhani still comprises a substantial semi-evergreen broadleaved forest important for birds, although it is highly threatened. Hunting is probably a significant threat to bird species in MVF. Despite loss and degradation of some forests, especially in the tropical zone, MVF still qualify as an IBA. The Mai Khola habitat has been severely damaged by the Mai Khola Hydroelectric Project, which became operational in 2015, resulting in serious declines in river birds. MVF remain outside the existing protected area network. Including MVF in Nepal’s protected area system would ensure conservation of the species-rich semi-evergreen mixed broadleaved tropical and subtropical forests that are currently an important omission. Further bird surveys are recommended at all elevations and in tropical and subtropical forests that have so far not been covered.

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“…That we recorded significant levels of predation in our study supports the potential for avian biocontrol in agricultural settings, even in fragmented forested areas (García et al 2018). The effect of insect predation by birds in agricultural fields may be elevated in more rural areas or those neighboring larger continuous forests (Lourenço et al 2021, Joshi et al 2022).…”

Section: Discussionmentioning

confidence: 99%

Avian predation of insects on corn (Zea mays): Effects of methyl jasmonate, methyl salicylate, and weather conditions

McNamara,

Nguyen,

Dotta

et al. 2023

The Wilson Journal of Ornithology

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Contiguous forest supports higher bird diversity compared to isolated forest: Evidence from forest landscape of Eastern Nepal

Cited by 6 publications

References 38 publications

Avian Diversity and Seasonal Abundance in Banpale Forest, Kaski District, Nepal

Avian Diversity and Seasonal Abundance in Banpale Forest, Kaski District, Nepal

Birds and habitats recorded in the lower Mai Valley Important Bird and Biodiversity Area

Avian predation of insects on corn (Zea mays): Effects of methyl jasmonate, methyl salicylate, and weather conditions

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