scholarly journals A comparative study of the components of the hard coral Seriatopora hystrix and the soft coral Xenia umbellata along the Jeddah coast, Saudi Arabia

Author(s):  
A. A Al-Sofyani ◽  
G. R Niaz
Author(s):  
SYAIMAK ISMAIL ◽  
MOHAMAD SAUPI BIN ISMAIL ◽  
MUHAMMAD SAIFUL ISLAM ISMAIL ◽  
AEMY AZIZ

In the state of Melaka, there are eighteen islands recorded by the Melaka State Museum Corporation (PERZIM). Part of this island serves as a tourist island, and developed islands are also uninhabited islands. However, three islands are recorded to have amazing coral reefs that are still in good condition. The Penang Batu Maung Fisheries Research Institute (AkuaTAR) has conducted a study on the biodiversity of coral reefs around the waters of Pulau Dodol, Pulau Serimbun, and Pulau Undan. AkuaTAR researchers are using scuba diving methods, and at the same time, they did conservation on coral reefs that have been identified in the waters of the Straits of Melaka. The objective of this study is to record the types of community forms such as living corals and identify the species of coral reefs found in three islands in the state of Melaka in Pulau Undan, Pulau Dodol, and Pulau Serimbun. The study also implemented method observation by conducting field studies on the islands involved by doing scuba diving. Results and discussion of the search, these three islands are located in very clean, uninhabited waters. They have a wide range of coral biodiversity using soft coral reefs and hard coral reefs. The study also found that the three islands in the state have the largest coral reefs in the waters of the Straits of Melaka. Keywords: Biodiversity; Conservation; Coral; Three island; Melaka


Author(s):  
Faiza kiran ◽  
Syed Moyn Aly ◽  
Abdullah Al Shehri

Abstract Objectives: The objectives of our study were to identify the student’s perceptions related to their academic failure and compare these perceptions with their nationality. Methods: A, non-interventional, bi national, comparative study was conducted in medical colleges of Pakistan and Saudi Arabia, in year 2015-2018, by taking a purposive sample of 210 students. All those who gave consent and scored less than fifty percent in their professional examinations were included. Data was analyzed using SPSS version 23. Frequencies and percentages were calculated, and Man Whitney U was applied to calculate p value. Results: According to the respondents, common reasons of failure identified were information overload (n=114,50%), difficult examination (n=101, 48%), poor teaching skills of teachers (n=82, 39%), system of education (n=75,36%) and unfair examination (n=78,37%). Eleven items in nationality group were found significant. Conclusion: Regardless of few cultural and environmental differences in factors contributing towards failure in students of different countries, the risk factors are common to all students. Moreover, most students tend to blame external factors more than internal ones. Keywords: Risk, factors, Perceived, academic, failure, students, medical, Saudi Arabia, nationality, Pakistan, perceptions


2021 ◽  
Vol 12 (3) ◽  
pp. 111-128
Author(s):  
Aljohara Fahad Al Saud

Identifying language affiliation among children for family immigrants is crucial for one’s language identity. This study aimed to determine the role played by Arab families in the Kingdom of Saudi Arabia, Austria, and Britain to attain language affiliation among their children. It also aims to identify the challenges facing families living in these countries in achieving language affiliation among their children. The study population consisted of all the families that live in the Kingdom of Saudi Arabia, in addition to all the Arab families that live in Austria and Britain and the study sample included (120) parents. The researcher adopted the descriptive-analytical approach and used the questionnaire as the study tool. The study reached several results; first, the role played by families in the Kingdom of Saudi Arabia, Austria, and United Kingdom to attain language affiliation among their children got a high degree of response. Second, the challenges facing activating the family’s role in attaining language affiliation of their children in the Kingdom of Saudi Arabia and Austria have got a high degree of response, while in Britain, they obtained a very high degree of response. The study recommended involving all family members in accessing different and creative ways of practicing their native language and activating the role of social media in developing the language affiliation of children.


2021 ◽  
Vol 52 (3) ◽  
pp. 763-773
Author(s):  
N. A. Al-Harbi

This study was aimed to investigate weeds kind in palm plantations. Date palm is the most chief economic crop in most countries of the Arabian Peninsula. Many factors, such as the presence of weeds, may cause a huge loss in the production of dates. Despite the severe damage caused by the presence of some weeds in agroecosystems, many weeds have many medicinal and economic uses. A total of 62 species were listed in palm Plantations in Tabuk and Al-Qassim Regions. A total of 51 species were listed in Tabuk Region (The number of unique species in the Tabuk Region reached 32 that not recorded in Al-Qassim Region. Also, 19 species were recorded in both of Tabuk and Al-Qassim Regions). A total of 30 weeds were listed in Al-Qassim Region (The number of unique species in the Al-Qassim Region reached 11 that not recorded in the Tabuk Region. In addition to, 19 species were recorded in both of Tabuk and Al-Qassim Regions). Zygophyllaceae was the most common family, the majority life span was annuals and the most common life form was therophyte in both Tabuk and Al-Qassim Regions. Data management and classification were achieved using PCORD (TWINSPAN and DCA analyses).


Chemosphere ◽  
2021 ◽  
Vol 267 ◽  
pp. 129316
Author(s):  
Veronica van der Schyff ◽  
Marinus du Preez ◽  
Karin Blom ◽  
Nee Sun Choong Kwet Yive ◽  
Jana Klánová ◽  
...  

2020 ◽  
Vol 35 (5) ◽  
pp. 584-596
Author(s):  
Anna Dobreva ◽  
Kamelia Getchovska ◽  
Daniela Nedeltcheva‐Antonova

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