Coleoptera of Genting Highland, Malaysia: Species richness and diversity changes along the elevations
Diversity studies of beetles have been fairly well covered by the scientific community, but they focused little on the diversity change across elevations in the montane ecosystems. Elevational beetle diversity has not been explored at Genting Highland, Malaysia. Therefore, the objective of this study was to assess and understand species richness, abundance and diversity changes among beetles at Genting Highland along the elevations. We used multiple trapping methods and compared compositional differences (beta diversity) between elevations. Moreover, we compared three different types of trapping methods.
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Musthafa, M. M., Abdullah, F., 2019. Coleoptera of Genting Highland, Malaysia: species richness and diversity changes along the elevations. Museu de Ciències Naturals de Barcelona. Dataset/Occurrence: https://doi.org/10.15470/i0uuis
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Abundance; Beetle; Biodiversity; Ecosystem; Forest; Checklist
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The mountains in Malaysia, the Titiwangsa Range, are located in the centre from Pahang to Kelantan states. Genting Highland is on the Pahang and Selangor border in Bentong District, which is just 50 km from Kuala Lumpur, Malaysia.
|Coordenadas límite||Latitud Mínima Longitud Mínima [3,25, 101,321], Latitud Máxima Longitud Máxima [3,524, 102,151]|
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|Familia||Anthicidae, Anthribidae, Bostrichidae, Brentidae, Bupresidae, Carabidae, Cerambycidae, Ceratocanthidae, Chelonariidae, Chrysomelidae, Cicindelidae, Cleridae, Coccinellidae, Curculionoidea, Dryopidae, Elateridae, Endomychidae, Eucnemidae, Hydrophilidae, Lampyridae, Languriidae, Lucanidae, Lycidae, Meloidae, Mordellidae, Nitidulidae, Phalacridae, Platypodidae, Ptinidae, Ptilodactylidae, Psephenidae, Salpingidae, Scarabaeidae, Scolytidae, Silvanidae, Scydmaenidae, Staphylinidae, Tenebrionidae, Zopheridae|
|Fecha Inicial / Fecha Final||2015-12-01 / 2016-11-30|
Datos del Proyecto
The objective of this study was to measure beetle richness and diversity in Genting Highland at four major elevations (500 m, 1,000 m, 1,500 m and 1,800 m). Beetles were collected using light traps, malaise traps and pitfall traps. Altogether, 1,499 beetle samples representing 156 morphospecies were collected. Light trap and pitfall traps were more effective than Malaise trap.
|Título||Coleoptera of Genting Highland, Malaysia: Species richness and diversity changes along the elevations|
|Descripción del Área de Estudio||The mountains in Malaysia, the Titiwangsa Range, are located in the centre from Pahang to Kelantan states. Genting Highland is on the Pahang and Selangor border in Bentong District, which is just 50 km from Kuala Lumpur, Malaysia.|
|Descripción del Diseño||Beetles were collected from sites at 500 m, 1000 m, 1500 m and 1800 m a.s.l. (Above Sea Level) (fig. 1). Light traps, Malaise traps and pitfall traps were used to collect the beetles. Two light traps, two Malaise traps and 25 pitfall traps with five sets of pitfall traps arranged in a diagonal shape were fixed at each elevation|
Personas asociadas al proyecto:
Métodos de Muestreo
Beetles were collected from sites at 500 m, 1000 m, 1500 m and 1800 m a.s.l. (Above Sea Level) (fig. 1). Light traps, Malaise traps and pitfall traps were used to collect the beetles. Two light traps, two Malaise traps and 25 pitfall traps with five sets of pitfall traps arranged in a diagonal shape were fixed at each elevation. Non-baited wet pitfall traps were 200 ml plastic cups (65 mm diameter, 9.5 cm depth) filled with 50 ml 70 % alcohol, sunk into the ground with the brim at ground level and large leaves were positioned at the same level to protect the traps from flooding ç. Malaise traps were made of nylon net with a collection jar half filled with 70 % alcohol. They were fixed to the branch of a tree not more than 1.5 m from the ground and they were also fixed for 24 hours. Light traps were made of mosquito netting with a 160 watt mercury bulb connected to a portable Honda EU10i portable power generator. It was fixed just above ground level and beetles attracted to the light were collected using collection bottles. Light traps were fixed for six hours at each elevational band from 6 pm to 12 am midnight
|Área de Estudio||The mountains in Malaysia, the Titiwangsa Range, are located in the centre from Pahang to Kelantan states. Genting Highland is on the Pahang and Selangor border in Bentong District, which is just 50 km from Kuala Lumpur, Malaysia. Genting Highland is the most disturbed area. The entire summit region has been replaced by amusement parks, casinos and hotels (Peh et al., 2011). Before the conversion of Genting Highland into an entertainment site, this area was a virgin, undisturbed forest that could be reached only via jungle trekking (Stone, 1981; Piggott, 1977)|
|Control de Calidad||All the collected samples were sorted and tallied to morphospecies level using established keys (Triplehorn and Johnson, 2005) and then cross checked with the Wildlife Department of Malaysia, University of Malaya, National University of Malaysia and Forestry department of Malaysia museum collections. The previous collection at our lab was also used to identify samples to morphospecies level.|
Descripción de la metodología paso a paso:
- The commonly used nonparametric estimators ACE (Abundance-based Coverage Estimator), ICE (Incidence-based Coverage Estimator) and Chao 1estimators were used to calculate species richness at each altitudinal band using PAST 3.07 (Hammer et al., 2001). The Clench model was used to estimate the sampling effort efficacy with the use of estimated species. Richness and slope of the species accumulation curve for all beetles collected from each elevational transect were plotted using STATISTICA 8.0 (StatSoft Inc. 2007). Species abundance was calculated for all sampling methods at altitudinal band and differences between these values were analyzed with Kruskal-Wallis nonparametric tests. For diversity analysis, the Shannon diversity index, the Simpson diversity index and Fisher’s alpha diversity indexes were used, while the Margalef index was used to calculate calculation. Cluster analysis for abundance was conducted in STATISTICA 8.0, using a dissimilarity matrix with the Bray-Curtis index as a distance measure, and the Ward´s amalgamation algorithm. Beta diversity was measured through Bray-Curtis index of similarity as for the faunistic similar¬ity between the four altitudinal sites. Cluster analysis was also performed, using PAST 3.07 (Hammer et al., 2001) to define groups of sites according to species composition, using the Bray-Curtis index as a distance measure and the UPGMA (Unweighted Pair-Groups Method using arithmetic Averages) method as an amalgamation algorithm.
- Musthafa, M. M., Abdullah, F., 2019. Coleoptera of Genting Highland, Malaysia: species richness and diversity changes along the elevations. Arxius de Miscel·lània Zoològica, 17: 123-144 https://doi.org/10.32800/amz.2019.17.0123