Insect’s Visitation on Melastoma malabathricum in UKM Bangi Forest Reserve

Ataa, Syuhada; Hazmi, Izfa Riza; Samsudin, Siti Fatimah

doi:10.26480/ees.01.2017.20.22

Environ. ecosyst. sci.

2017

DOI: 10.26480/ees.01.2017.20.22

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Insect’s Visitation on Melastoma malabathricum in UKM Bangi Forest Reserve

Syuhada Ataa¹,

Izfa Riza Hazmi²,

Siti Fatimah Samsudin³

Abstract: The study on insect's visitation on Melastoma malabathricum was carried out at UKM Bangi Forest Reserve, Selangor from February till April 2016. A total of 214 insect individuals comprising of three order, seven families and 15 species were identified. Hymenoptera recorded the highest percentage of 91 % (195 individuals), followed by Coleoptera with 5 % (10 individuals) and Hemiptera with 4 % (9 individuals). Ten species of Hymenoptera namely Trigona itama, T. thoracica, Amegilla zonata, Ceratina perforatrix, … Show more

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Cited by 2 publications

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Stock discrimination and connectivity assessment of yellowfin seabream (Acanthopagrus latus) in northern South China Sea using otolith elemental fingerprints

Wang

et al. 2018

Saudi Journal of Biological Sciences

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Connectivity between fish stocks is fundamental to the understanding of population dynamics and the implementation of sustainable fisheries management. Otolith microchemistry is a promising tool as it can provide information on the continuous growth of otoliths and the environmental effects on otolith composition. Such elemental fingerprints can help distinguish different stocks or life history stages, identify the origins or nursery areas of fish, and assess population structure. In this study, we examined the stock discrimination and spatial connectivity of cage-cultured and wild stocks of yellowfin seabream (Acanthopagrus latus) from the coastal waters of Shantou, Yangjiang, and Zhanjiang in China southern province Guangdong during 2012-2014, based on otolith trace-elemental signatures using multivariate statistical analysis and machine learning approaches. The concentrations of 13 elements (Li, Na,Mg, Ca,Mn, Fe,Co, Ni,Cu, Zn,Sr, Sb, andBa) in the natal spot of fish otoliths, representing the embryonic and paralarval stages of fish, were analyzed using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Stepwise discriminant analysis and random forests were used to distinguish the cultured and wild stocks of yellowfin seabream, and non-metric multidimensional scaling (NMDS) and cluster analysis were used to determine the spatial variation and connectivity of yellowfin seabream stocks. Overall, the cultured and wild stocks of yellowfin seabream could be identified with classification accuracy of 80.7% and 99.2% by using stepwise discriminant analysis and random forests respectively. When we compared site difference between cultured and wild stocks (site × stock interactions), the classification success was 60.4% for stepwise discriminant analysis and 85.7% for random forests. The misclassification of cultured and wild stocks within the three sites suggested the spatial connectivity between stocks and among sampling locations. Our findings suggested that the three wild stocks of yellowfin seabream from Guangdong coastal waters could be considered as one unit for management, and the difference between cultured and wild stocks was significant for yellowfin seabream from Shantou and Yangjiang, but less significant for yellowfin seabream from Zhanjiang. This study demonstrated that otolith elemental fingerprints can help improve our knowledge on the spatial connectivity, population structure, and life history of fish stocks, and random forests can be a useful tool for identifying cultured and wild stocks compared to the traditional stepwise discriminant analysis.

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Stock discrimination and connectivity assessment of yellowfin seabream (Acanthopagrus latus) in northern South China Sea using otolith elemental fingerprints

Wang

et al. 2018

Saudi Journal of Biological Sciences

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GC–MS explores health care components in the extract of Pterocarpus Macarocarpus Kurz

Chen

Liu

et al. 2018

Saudi Journal of Biological Sciences

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Pterocarpus is often used to make high-grade furniture, with beneficial health functions on the human body. Therefore, this article with large fruit red sandalwood as an example, to explore its extract on the human body beneficial health care ingredients. FT-IR analysis, in the 2855-3421 cm wave segment, ethyl acetate after extraction of large fruit red sandalwood powder infrared transmittance increased the maximum value; GC-MS analysis, large fruit red sandalwood in the human body with a cough and phlegm, detoxification and enhance human immunity and other effects. Among them, Homopterocarpin in the inhibition and killing of cancer cell activity outstanding performance. Cryptomeridiol is a natural product with anti-Alzheimer's disease and antispasmodic properties, with significant medicinal value.

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Insect’s Visitation on Melastoma malabathricum in UKM Bangi Forest Reserve

Cited by 2 publications

References 13 publications

Stock discrimination and connectivity assessment of yellowfin seabream (Acanthopagrus latus) in northern South China Sea using otolith elemental fingerprints

Stock discrimination and connectivity assessment of yellowfin seabream (Acanthopagrus latus) in northern South China Sea using otolith elemental fingerprints

GC–MS explores health care components in the extract of Pterocarpus Macarocarpus Kurz

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