Fluctuation in the Abundance of Terrestrial Arthropods at an Arable Field in West Sumatran Highland.

Sota, Teiji; Nakano, Susumu; Hasan, Nusyirwan; Hasyim, Ahsol; Syafril,; Nakamura, Koji

doi:10.3759/tropics.10.463

Cited by 3 publications

(7 citation statements)

References 7 publications

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“…Several beetle showed to have seasonal pattern in the abundance such as Carabidae and Brachinidae. This fluctuation might be associated with rainfall [6].…”

Section: Discussionmentioning

confidence: 99%

“…Decreasing diversity of soil Arthropods in this site may associate with the high number of Formicidae. Dominasi Formicidae has reported in some studies of soil Arthropods [3,6]. Some of the studies carried out in farm land anjd secondary forest [7].…”

Section: Discussionmentioning

confidence: 99%

“…Soil Arthropods were collected during the wet season in July -October 2010 using pitfall traps. At each site, a total of 15 traps (5 by 3 rows) were placed systematicaly at 4-m intervals [6]. Glass cups (10 cm in diameter and 7 cm deep) were burried in the ground.…”

Section: Methodsmentioning

confidence: 99%

“…Many of these studies were performed in a temperate region, and only few were reported from tropical region collection [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…This is a convenient method to sample soil Arthropods [6,8]. An intensive sampling gives information about the effect of porang (Amorphopalus muelleri) cultivation in agroforestry system to the abundance, diversity and composition of soil Arthropods.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Porang (Amorphophalus muelleri) Cultivation On The Composition of Soil Arthropods In Tropical Agroforestry Areas In East Java, Indonesia

Leksono¹,

Yanuwiadi²,

Kusuma³

et al. 2012

JTLS

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This research was conducted on July to October 2010 to evaluate the effect of porang cultivation on the abundance, diversity and composition of soil Arthropods. Change in the abundance, diversity and composition of soil Arthropods was observed using pitfall traps in two study sites (Jember and Madiun). In each study site, samplings were performed in porang cultivation land and non-porang area. A total of 15 traps were put in three lines at each location. The differences in the abundance and diversity were analyzed by using multivariate analyze tests. The soil Arthropod compositions in all locations were compared with Bray-Curtis similarity index. The effect of environmental factors on the arthropod compositions was analyzed using multiple regression. The result showed that the effect of porang-cultivation was not consistent in two study sites. In Madiun, the abundance of soil Arthropods in porang cultivation land was slightly higher than that in non-porang, while the diversity was significantly higer in the former location. In contrast the those in Jember was found in vice versa situation. This study indicate that the effect of porang-cultivation was not subtantial to the composition of soil Arthropods. Therefore practice non harmful porang cultivation should be promoted as a part of agroforestry sistem in both study sites.

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“…Several beetle showed to have seasonal pattern in the abundance such as Carabidae and Brachinidae. This fluctuation might be associated with rainfall [6].…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

“…Many of these studies were performed in a temperate region, and only few were reported from tropical region collection [6,7].…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Influence of Porang (Amorphophalus muelleri) Cultivation On The Composition of Soil Arthropods In Tropical Agroforestry Areas In East Java, Indonesia

Leksono¹,

Yanuwiadi²,

Kusuma³

et al. 2012

JTLS

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Density dependence and noise determine the long‐term dynamics of two species of lady beetle (Coleoptera: Coccinellidae: Epilachninae) in the Indonesian tropics

Bonsall

Hasan²,

Nakamura

2006

Ecological Entomology

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1. The long-term dynamics of two beetles ( Epilachna vigintioctopunctata and Epilachna enneasticta ) from Indonesia are analysed using descriptive time-series statistics and mechanistic time-series models.2. Statistical analysis of the time series reveals that the dynamics of E. vigintioctopunctata are underpinned by a second order density-dependent [AR(2)] process, which is consistent between sites. Similarly, the dynamics of E. enneasticta are also described by a second order density-dependent [AR(2)] process. The predicted dynamics from these statistical models are stable dynamics.3. Mechanistic models of the density dependence predict that in the absence of noise the dynamics of the populations should also be stable. Inclusion of the stochasticity in the models of density dependence allows a more accurate description of the population dynamics of each species to be determined.4. Correlation analyses reveal that the fluctuations between species are a function of both the density dependence and the environmental conditions experienced by each species. Under low environmental variance it is predicted that the dynamics could be synchronised but under high variance in environmental noise, the dynamics may not be synchronised and species respond idiosyncratically to the environment.5. The study highlights the value of long-term population dynamic time series for exploring the structure of population regulation and fluctuations in insect populations. Entomology, 32, 28-37 y ¼ a 0 1 a 1 Á x h1 t 1 a 2 Á x h2 t21 30 Michael B. Bonsall, Nusyirwan Hasan and Koji Nakamura

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Soil Arthropod Diversity and Composition Inhabited Various Habitats in Universitas Brawijaya Forest in Malang East Java Indonesia

Leksono

Putri²,

Gama³

et al. 2019

JTLS

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A study on soil arthropod abundance, diversity and composition have been done on November 2016 to March 2017 using pitfall traps. The objective of this study is to analyze variations of the soil arthropod abundance, diversity and composition among different habitats in a university forest. The study was carried out in Universitas Brawijaya Forest (UBF) Malang, East Java (7°49'S, 112°34'E, 1,200 m in altitude), consisted of four locations: an agroforestry (AF), a gallery forest (GF), the pine stands (PS) and a settlement yard (SY). At each site, a total of 10 traps (5 by 2 rows) were placed systematically at 4-m intervals. Glass cups (10 cm in diameter and 7 cm deep) were buried in the ground during 24 hours. There were 2286 individuals of arthropod collected from all sampling locations. Overall the samples collected consist of 41 families of arthropods. The abundance (mean ± SE) of soil arthropod was highest in PS and the lowest in SY. Statistically, variations in abundance among locations were significant (F = 7.39, p < 0.01). The taxa richness of arthropod was highest in GF and the lowest in SY. Statistically, variations in taxa richness among locations were significant (F = 4.26, p < 0.05). The diversity was the highest in the GF (1.9 ± 0.1) lowest in the SY (0.74 ± 0.1). Statistically, variations in diversity among study sites were significant (F = 26.73, p < 0.001). In general, scavenger dominated the composition of soil arthropods. The highest proportion of scavenger abundance present in SY was 84.9%, while the lowest in the GF was 29.3%. The highest litter transformer composition in GF was 33.9%, and the lowest in SY was 8%. The highest decomposer in PS was 26.9% and the lowest in AF was 12.9%. The highest predator in AF was 20.7% and the lowest in SY was 1%. Compositions of soil arthropod were affected by environmental factors such as soil temperature and light intensity.

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Fluctuation in the Abundance of Terrestrial Arthropods at an Arable Field in West Sumatran Highland.

Abstract: Pitfall sampling of terrestrial arthropods was carried out at an arable field in West Sumatran highland (all. 900-1000 m a.s.l.) during

Cited by 3 publications

References 7 publications

Influence of Porang (Amorphophalus muelleri) Cultivation On The Composition of Soil Arthropods In Tropical Agroforestry Areas In East Java, Indonesia

Influence of Porang (Amorphophalus muelleri) Cultivation On The Composition of Soil Arthropods In Tropical Agroforestry Areas In East Java, Indonesia

Density dependence and noise determine the long‐term dynamics of two species of lady beetle (Coleoptera: Coccinellidae: Epilachninae) in the Indonesian tropics

Soil Arthropod Diversity and Composition Inhabited Various Habitats in Universitas Brawijaya Forest in Malang East Java Indonesia

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