Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape

Abstract Insects in seasonal tropics experience a wide range of temperatures along seasons, habitats, and a day. Therefore, the thermal tolerance of the insects can be a major driver for their habitat preference, temporal patterns of activity, and formation of communities. We examined the dung beetl...

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Autores principales: G. Asha, K. Manoj, P. P. Megha, Palatty Allesh Sinu
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:9cd849b6046944769ec344268b4b8f992021-12-02T15:28:57ZSpatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape10.1038/s41598-021-96831-52045-2322https://doaj.org/article/9cd849b6046944769ec344268b4b8f992021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96831-5https://doaj.org/toc/2045-2322Abstract Insects in seasonal tropics experience a wide range of temperatures along seasons, habitats, and a day. Therefore, the thermal tolerance of the insects can be a major driver for their habitat preference, temporal patterns of activity, and formation of communities. We examined the dung beetle communities of eleven pairs of neighboring open (home gardens) and closed habitats (sacred groves) during dry and wet seasons and diel periods (day and night) to understand the dung beetle activities along a spatiotemporal gradient constituted by the sacred groves—home garden matrix on a tropical village landscape. We tested the following hypotheses: (i) closed habitats have greater activities of dung beetles over open habitats; (ii) the diurnal communities of dung beetles are different from the nocturnal communities; and (iii) the diurnal-nocturnal activities of dung beetles could be predicted by the habitat and season. We considered abundance, richness, total biomass, and Shannon diversity of overall beetles, abundance of different functional groups, and species composition in communities as the quantitative measures in the predictive statistical models. In total, 2727 dung beetles belonging to 38 species, ten genera, and three functional groups were collected. The open habitat supported more number of dung beetles (N = 2318) than the closed habitat (N = 409). The diurnal communities were different from nocturnal communities, particularly in open habitat, where the temperature was different between day and night. The dominant species of the diurnal communities of open habitat hardly used the closed habitat in any context including dry–wet seasons, but the nocturnal communities of the open habitat were closer to the communities of closed habitat. The diel period and habitat predicted the abundance activity of functional groups; season was a poor predictor of dung beetle activities. Given that the species composition has turned over across habitats, and the closed habitat supported remarkably lesser number of beetles than the open habitats, the closed habitat is unlikely to be a thermal refuge for the open habitat species in village landscapes that have island forests, such as sacred groves, and home gardens form a matrix.G. AshaK. ManojP. P. MeghaPalatty Allesh SinuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
G. Asha
K. Manoj
P. P. Megha
Palatty Allesh Sinu
Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
description Abstract Insects in seasonal tropics experience a wide range of temperatures along seasons, habitats, and a day. Therefore, the thermal tolerance of the insects can be a major driver for their habitat preference, temporal patterns of activity, and formation of communities. We examined the dung beetle communities of eleven pairs of neighboring open (home gardens) and closed habitats (sacred groves) during dry and wet seasons and diel periods (day and night) to understand the dung beetle activities along a spatiotemporal gradient constituted by the sacred groves—home garden matrix on a tropical village landscape. We tested the following hypotheses: (i) closed habitats have greater activities of dung beetles over open habitats; (ii) the diurnal communities of dung beetles are different from the nocturnal communities; and (iii) the diurnal-nocturnal activities of dung beetles could be predicted by the habitat and season. We considered abundance, richness, total biomass, and Shannon diversity of overall beetles, abundance of different functional groups, and species composition in communities as the quantitative measures in the predictive statistical models. In total, 2727 dung beetles belonging to 38 species, ten genera, and three functional groups were collected. The open habitat supported more number of dung beetles (N = 2318) than the closed habitat (N = 409). The diurnal communities were different from nocturnal communities, particularly in open habitat, where the temperature was different between day and night. The dominant species of the diurnal communities of open habitat hardly used the closed habitat in any context including dry–wet seasons, but the nocturnal communities of the open habitat were closer to the communities of closed habitat. The diel period and habitat predicted the abundance activity of functional groups; season was a poor predictor of dung beetle activities. Given that the species composition has turned over across habitats, and the closed habitat supported remarkably lesser number of beetles than the open habitats, the closed habitat is unlikely to be a thermal refuge for the open habitat species in village landscapes that have island forests, such as sacred groves, and home gardens form a matrix.
format article
author G. Asha
K. Manoj
P. P. Megha
Palatty Allesh Sinu
author_facet G. Asha
K. Manoj
P. P. Megha
Palatty Allesh Sinu
author_sort G. Asha
title Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
title_short Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
title_full Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
title_fullStr Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
title_full_unstemmed Spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
title_sort spatiotemporal effects on dung beetle activities in island forests-home garden matrix in a tropical village landscape
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/9cd849b6046944769ec344268b4b8f99
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AT ppmegha spatiotemporaleffectsondungbeetleactivitiesinislandforestshomegardenmatrixinatropicalvillagelandscape
AT palattyalleshsinu spatiotemporaleffectsondungbeetleactivitiesinislandforestshomegardenmatrixinatropicalvillagelandscape
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