Community structure of pollinating insects and its driving factors in different habitats of Shivapuri‐Nagarjun National Park, Nepal

Dyola, Urmila; Baniya, Chitra Bahadur; Acharya, Pushpa Raj; Subedi, Pradip; Pandey, Anjeela; Sapkota, Kumar

doi:10.1002/ece3.8653

Cited by 7 publications

(6 citation statements)

References 126 publications

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“…The results showed that the abundance and diversity of insect pollinators differed between gardens. This fact explains again that each type of plant provides suitable habitat and different food resources for the activities of flower-visiting pollinator insects [20,34,35]. Some pollinator insect species prefer certain flowers to visit [26,36].…”

Section: Discussionmentioning

confidence: 96%

The Diversity of pollinator insects in vegetable gardens, Kabawo District, Muna Regency

Fitriani,

Kilowasid,

Arma

et al. 2024

Anjoro

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Pollinator insects play an important role in pollination to increase the productivity of flowering plants. The aim of this study was to analyze the abundance, diversity, and specific taxon of insect pollinators among different vegetable crops in local farmers' gardens. Insects were sampled from four gardens, namely polyculture long bean (KKP), eggplant polyculture (KT), curly chili monoculture (KCK), and Indofood chili monoculture (KCI) used nets and light traps. The results showed that the abundance and diversity of pollinator insects varied between gardens. The pollinator insect community in KCI was most similar to that in KCK; KT was similar to the KCI and KCK groups, while KKP were separate from the KT, KCK and KCI groups. The richest genus occurs in KKP, while chili plantations are the poorest. The apis genus in KKP and KT, and the Nomina genus in KCK and KCI were dominant. The specific pollinator insect genus in KKP is the richest. It concluded that plant species and cropping patterns contribute to the composition and diversity of the pollinator insect community.

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Section: Discussionmentioning

confidence: 96%

The Diversity of pollinator insects in vegetable gardens, Kabawo District, Muna Regency

Fitriani,

Kilowasid,

Arma

et al. 2024

Anjoro

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“…We then analysed their effects on pollinator abundance, species richness and visitation rate (second hypothesis). To visualize differences in pollinator community composition between agroforestry and non‐agroforestry plots, we applied non‐metric multidimensional scaling (NMDS) based on the Bray–Curtis dissimilarity matrix using the function ‘metaMDS’ in the R package ‘Vegan’ (Dyola et al., 2022; Oksanen, 2015). Subsequently, we performed a multivariate permutational analysis of variance (PERMANOVA; Anderson, 2001) to test whether the composition of the pollinator community differed significantly between agroforestry and non‐agroforestry plots, using the ‘adonis’ function in the vegan package.…”

Section: Methodsmentioning

confidence: 99%

Tropical agroforestry supports insect pollinators and improves bean yield

Kingazi,

Temu,

Sirima

et al. 2024

Journal of Applied Ecology

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Pollination services contribute to crop productivity worldwide, but insect pollinators are declining in most agricultural landscapes, mainly due to agricultural expansion and an increase in intensive agricultural practices. To reduce the negative effects of agricultural expansion and intensification, farmers can adopt ecological interventions, such as diversifying agricultural systems through agroforestry. However, there have been variable results on the effectiveness of agroforestry in enhancing pollinators and pollination services. Furthermore, most of the information has been generated in temperate regions, while the impact of agroforestry in tropical East Africa is largely unknown. Using common beans (Phaseolus vulgaris L.) as the focal crop, this study tested whether a tropical agroforestry system called Chagga home gardens supports pollinator communities and improves pollination and crop yield. We examined 16 agroforestry plots paired with 16 non‐agroforestry plots located along a gradient of woody (trees and shrubs) cover within a 1‐km radius to document the abundance, species richness and visitation rates of pollinating insects on bean flowers and how they contributed to bean yield. The beans planted in the agroforestry plots had almost twice the abundance of insect pollinators, three times the richness of the species and almost twice the visitation rates than those planted in non‐agroforestry plots. We also found a significant positive effect of woody cover in the surrounding landscape on insect pollinator abundances, but not on species richness and visitation rates. Additionally, the abundance and richness of insect pollinators increased significantly with flower abundance, while the overall plant richness in a plot significantly increased insect pollinator abundance and their visitation rate. The difference in bean yield between unbagged flowers (in which insect pollinators were allowed to access bean flowers) and bagged flowers and the total yield were higher in agroforestry than in non‐agroforestry plots. Synthesis and applications. This study showed that, compared to monoculture, agroforestry generally promotes pollination services in a tropical context. Furthermore, we found that agroforestry is likely to be particularly helpful for pollinators when it increases flower abundance and plant richness and if it is coordinated so that woody cover also increases at the landscape scale.

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“…RDA was carried out to determine the effect of environmental variables (elevation, latitude, longitude) on insect family richness and abundance using the packages «ggvegan» and «ggord». RDA is a method to extract and summarize the variation in a set of response variables that can be explained by a set of explanatory variables (Bellamy et al, 2018;Dyola et al, 2022). An Analysis of variance (ANOVA) was computed to test the overall significance (p-value < 0.05) of environmental variables.…”

Section: Study Sitesmentioning

confidence: 99%

Monitoring entomofauna associated with cabbage, Brassica oleracea L. var capitata in eastern DRCongo

Niyibizi Gakuru,

Noël,

Muhashy Habiyaremye

et al. 2024

J. Insect Biodivers. Syst

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Cabbage is an important component of agriculture in the eastern Democratic Republic of Congo (DRC) for its various food uses. It is important to identify pests that affect its production, which is still insufficient to meet the increasing consumer needs. Furthermore, insect data for tropical agroecosystems, particularly those of DRC are limited, making insect diversity poorly understood. The objective of this study is to assess the diversity and abundance of entomofauna related to cabbage in five different cabbage growing sites: Minova, Sake, Kibumba, Rutshuru and Lac Vert. This was achieved by trapping insects with the sweep net and yellow pantraps during 2021 and 2022. A total of 1109 insects from 9 orders and 48 families were collected. The most abundant pest families were Ciccadellidae (8%), Coreidae (7%), Chysomelidae (5%) and Pentatomidae (4%). The main families of beneficial insects (natural enemies and pollinators) identified were Syrphidae (7%), Carabidae (4%), Coccinellidae (3%) and Apidae (3%). Insect communities found in different locations were similar and diversified. Considering functions played by these different functional groups as ecological indicators, it is important to preserve entomological biodiversity. This is achieved through the rational selection of pest management methods to optimize ecosystem services provided by beneficial insects.

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Community structure of pollinating insects and its driving factors in different habitats of Shivapuri‐Nagarjun National Park, Nepal

Cited by 7 publications

References 126 publications

The Diversity of pollinator insects in vegetable gardens, Kabawo District, Muna Regency

The Diversity of pollinator insects in vegetable gardens, Kabawo District, Muna Regency

Tropical agroforestry supports insect pollinators and improves bean yield

Monitoring entomofauna associated with cabbage, Brassica oleracea L. var capitata in eastern DRCongo

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