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2 results on '"Siti Fatimah"'

1. Understanding the pattern of wind direction in Peninsular Malaysia.

Author

Moslim, Nor Hafizah, Zubairi, Yong Zulina, Hussin, Abdul Ghapor, Hassan, Siti Fatimah, and Mokhtar, Nurkhairany Amyra

Subjects
WIND speed, CONFIDENCE intervals, DATA recorders & recording, INFORMATION measurement, DATA analysis
Abstract

Understanding the pattern of wind direction is important in meteorological studies. In exploratory data analysis, summary statistics provide basic information such as the measures of central tendency and the spread of the maximum wind direction. In this study, daily wind direction data recorded at maximum wind speed of northeast and southwest monsoons from three stations in Peninsular Malaysia from the year of 2014 to 2019 are used. The wind direction data is modeled using von Mises distribution where confidence interval for concentration parameter is estimated using bootstrap-t method. Based on the performance measure of expected length, the confidence interval provides an efficient measure of the concentration parameter. Findings of this study suggest that there are variations with respect to monsoons and locations as some are dense and some are sparsely distributed. This information is useful in providing a better-understanding of the pattern of wind direction in Malaysia. [ABSTRACT FROM AUTHOR]

Published
2023
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2. Annotated Checklist of Orchids Found in Merapoh Trail (Gunung Tahan, Malaysia).

Author

Isa, Siti Fatimah Md., Salim@Halim, Jamilah Mohd., Seok Yien Yong, Christina, Abdullah, Janna Ong, and Go, Rusea

Subjects
*PLANT collectors, *PLANT extracts, *HERBARIA, *ORCHIDS
Abstract

Gunung Tahan is the highest mountain peak in Peninsular Malaysia (2187 m a.s.l.) and is a part of Taman Negara Pahang that houses many rare and endemic species of flora and fauna. This account is conducted to evaluate, compile, and update the orchids collections from Gunung Tahan after almost 126 years, since the first botanical exploration was conducted by H.N. Ridley and other foreign botanist. The compilation presented in this study resulted in 294 species obtained from the selected herbarium, published record, and current expedition. A total of 57 species were recorded for recent work, out of which 18 species were new discoveries for Merapoh Trail and thus reported as new records for Gunung Tahan. IUCN Red List of Threatened Species version 2017.3 listed two species; Claderia viridiflora Hook.f. and Spiranthes sinensis (Pers.) Ames as least concern species and Paphiopedilum bullenianum (Rchb.f.) Pfitzer as endangered species. The list of the compiled species from herbarium and published records for Gunung Tahan is also included. [ABSTRACT FROM AUTHOR]

Published
2018

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