Effects of Land-Use Change on the Community Structure of the Dung Beetle (Scarabaeinae) in an Altered Ecosystem in Southern Ecuador

Carrión-Paladines, Vinicio; Fries, Andreas; Muñoz, Andrés Izquierdo; Castillo, Eddy; García‐Ruiz, Roberto; Marín-Armijos, Diego

doi:10.3390/insects12040306

Cited by 9 publications

(6 citation statements)

References 111 publications

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“…Nazaretta (2017) and Rubiana (2014) stated the effect of land use on the structure and composition of ants. The same results were shown by beetle species (Carrión-Paladines et al, 2021), Lepidoptera (Sambhu, 2018), and termites (Heriza et al, 2021). All reports supported the effects of land use on the structure and composition of insect groups.…”

Section: Introductionsupporting

confidence: 64%

Decomposition of Wood by Termites in Different Types of Land Use

Heriza

Buchori²,

Harahap³

et al. 2022

JPTI

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Decomposition is an important process in nature, as it can break down organic matter into smaller particles and nutrients. Nutrients are returned to the environment and can be reused by other organisms. One important organism that plays a role in the decomposition process is termites because termites are able to decompose organic matter such as wood in all habitats. Different termite habitats can be seen in terms of different types of land use. Some types of land use, such as natural forests, secondary forests, palm oil plantations, and settlements, can be used as a test site for wood decomposition by termites. All types of land use can be found in Dharmasraya Regency, West Sumatra Province. The purpose of this study was to study the decomposition of wood by termites in several different types of land use. Four types of land use are selected from habitats with the least disturbed conditions to the extent of high habitat disturbances, namely natural forests, secondary forests, palm oil plantations, and settlements. The study was conducted in Dharmasraya Regency, West Sumatra Province. The research method uses pine wood bait (Pinus merkusii), measuring 1.9 cm x 1.9 cm x 25 cm. The wooden bait is winded for seven days, and the wood bait is weighed to gain its initial weight and measured moisture content. Furthermore, wood bait that has been installed is observed and re-weighed to gain final weight and measured water content. The results showed that deforestation in Dharmasraya, West Sumatra had an effect on reducing wood decomposition by termites. Five (5) termite species were found in wood bait, including Pericapritermes sp.1, Microtermes sp.1, Schedorhinotermes sp.1, Macrotermes gilvus, and Coptotermes curvignathus.

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Section: Introductionsupporting

confidence: 64%

Decomposition of Wood by Termites in Different Types of Land Use

Heriza

Buchori²,

Harahap³

et al. 2022

JPTI

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“…Although our expectation was that the sacred groves, owing to their possession of forests and closed canopy, have more species and abundance of dung beetles than the home gardens, we witnessed a reverse pattern with the home gardens conserving more species and abundance than the sacred groves, a pattern reported not rarely 23,[59][60][61] . While this pattern was very clear in moderately-and highly-urbanized landscapes, in less-urbanized location, the abundance was similar for both the habitats, and richness was marginally higher in sacred groves.…”

Section: Discussionmentioning

confidence: 60%

Dung beetles prefer used land over natural greenspace in urban landscape

Asha

Manoj

Rajesh

et al. 2022

Sci Rep

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Urbanization drives land-use and patterns of biodiversity. Yet, very little is known about how biodiversity of structurally different habitats is responded to urbanization. We surveyed coprophagous dung beetles and their ecological functional groups—tunnellers, dwellers, and rollers—in shaded natural semi-evergreen forests of sacred groves and the neighbouring relatively open home gardens of sites that represent three levels of urbanization to address the following questions: (1) Do sacred groves have higher abundance, richness, and diversity of dung beetles than home gardens? (2) Is urbanization a key driver of dung beetle abundance, richness, diversity, and community? (3) Is dung beetle assemblage of sacred groves immune to urbanization? and (4) Which ecological functional groups of dung beetles are affected by urbanization? We hypothesized that the sacred groves have a distinct community, resulting in higher abundance, richness, and diversity of dung beetles than home gardens, and the dung beetle assemblage of sacred groves may be immune to urbanization. We sampled the beetles during wet and dry periods using cow dung as a bait. Against our predictions, dung beetle abundance, richness, and diversity were higher in used lands than sacred groves, particularly in urban landscapes. The two habitats had distinct compositions of dung beetles. Tunnellers and rollers were affected by urbanization, but not dwellers. Heliophilic and synanthropic species characterized by smaller species dominated overall catches in the used lands of urban areas. Results downplay sacred grove as a potential refuge for dung beetles and suggest that the biodiversity of native forests may be affected more by urbanization than the manipulated anthropogenic habitats.

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“…However, the group of tunnelers beetles shows a positive relationship with precipitation. Variables such as altitude and precipitation have shown significant variations in the richness, abundance, and composition of the dung beetle group (Lobo and Halffter 2000, Escobar, Lobo, Halffter, 2005, Herzog et al 2013, Carrión-Paladines et al 2021.…”

Section: Effect Of Altitude and Seasonality On The Abundance And Dive...mentioning

confidence: 99%

Biodiversity and Altitudinal Variation of Dung Beetles (Scarabaeidae: Scarabaeinae) in the Oglán Alto Watershed, Ecuadorian Amazon

Gallo-Viracocha,

Chamorro,

Enríquez

et al. 2024

AZL

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Dung beetles are considered a useful taxon to describe and to monitor spatial and temporal patterns of biodiversity. Tropical communities of dung beetles are usually diverse, abundant, and habitat specific; they respond quickly to many types of environmental changes. This study was carried out over 18 months, on an altitudinal gradient in the Oglán Alto watershed, located in Pastaza Province, Ecuador. A total of 10,227 individuals belonging to 59 species were collected. Food preference was analyzed and it was observed that species of coprophagous beetles are superior to necrophagous and generalists species. Tunnelers functional group was more abundant than rollers and dwellers groups, and only this group reduced its richness at higher altitudes. Six richness estimators were used for comparison between the two types of bait used (excrement and carrion). Correspondence Analysis was performed, according to the types of traps and species captured, with respect to the variation of altitudinal gradient. We concluded that the relation of altitudinal gradient and average of richness by traps is very similar among four transects sampled, showing a mixture of species of copro-necrophagous beetles associated to Amazon lowlands, with few species of foothill evergreen forest of the Ecuadorian east. It is recommended to continue studies in this type of vegetation, mainly in a higher altitudinal gradient.

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Effects of Land-Use Change on the Community Structure of the Dung Beetle (Scarabaeinae) in an Altered Ecosystem in Southern Ecuador

Cited by 9 publications

References 111 publications

Decomposition of Wood by Termites in Different Types of Land Use

Decomposition of Wood by Termites in Different Types of Land Use

Dung beetles prefer used land over natural greenspace in urban landscape

Biodiversity and Altitudinal Variation of Dung Beetles (Scarabaeidae: Scarabaeinae) in the Oglán Alto Watershed, Ecuadorian Amazon

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