Ahmad Ali

Ahmad Ali
Southeast Asian Fisheries Development Center · Marine Fishery Resources Development and Management Department

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25
Publications
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202
Citations

Publications

Publications (25)
Book
Full-text available
Guidebook to Cartilaginous Fishes of Thailand and Adjacent Waters was published in 2022. To disseminate knowledge about the diversity of cartilaginous fishes, including information on identification for supporting the NPOA-Sharks of Thailand Plan 1 (2020-2024). At least 188 cartilaginous fishes known from the country, comprising of 87 shark, 96 ray...
Poster
Full-text available
Species diversity of sharks in Thai waters and adjacent areas
Poster
Full-text available
Rays diversity in Thai waters and adjacent areas
Article
Full-text available
Nearshore habitats support high levels of biodiversity and important ecological processes such as trophic dynamics. This study aims to determine the trophic dynamics of elasmobranchs and other marine species from the coastal waters of Kuala Pahang, using stable isotope analysis. Samples of invertebrates, teleosts, and juvenile elasmobranchs were co...
Article
Full-text available
The objective of this study is to obtain experts’ opinions in identifying factors influencing the implementation of supply chain traceability for shark and ray products in Pahang, Malaysia. The information was obtained through structured key informant interviews (KIIs), which were conducted one-to-one and face-to-face with relevant experts from gov...
Article
The brown-banded bamboo shark, Chiloscyllium punctatum is one of the most common shark species caught in coastal fisheries throughout the Indo-Malay region and the most abundant shark caught in trawl fisheries in Malaysia and Thailand. Differences in fisheries regulations related to trawling among jurisdictions, and an absence of either stock asses...
Book
Full-text available
Mapping work on artificial reefs using sonar system.This work is collaboration between UMT with Department Fisheries Malaysia (DoF). Objective of study is to relocate and determine the physical of ARs after more than 10 years deployments.
Book
Full-text available
A guidebook to species of cartilaginous fishes of Thailand and adjacent waters. At this time , there are 183 species and comprising 86 sharks, 92 rays and 5 chimaeras. This book is photo guide with biological, distribution and status of each species.
Article
Full-text available
Degradation of coastal water quality is one of the major concern in the Malacca Strait since this area is one of the most important fishing ground in Malaysia. Despite being great in the fishery industry, Malacca and Negeri Sembilan are somehow recorded the lowest marine fishes landing, which raise a question about dynamics of this area. It is ther...
Article
Full-text available
This paper reviews the biodiversity and habitat preferences of living sharks in the Southeast Asian region accumulated from published literatures including journals, books, proceedings, unpublished technical papers, and technical reports as well as authors’ knowledge and experiences working in this field. A total of 196 species of sharks from nine...
Conference Paper
Full-text available
This study aims to examine the domestic marketing of sharks and rays in Sabah. The aspects which examined of domestic marketing of sharks and rays in Sabah, include; the major players in the system, marketing channels and practices. The observation on the domestic marketing of sharks and rays in selected areas in Sabah suggest that the industry is...
Article
Full-text available
Coral reefs along the Malacca Straits (MS) are poorly developed mainly due to turbidity and sedimentation. This study describes the health status and community structure of the corals in Cape Rachado, West Coast of Peninsular Malaysia (WCPM), utilizing the Coral Video Transect (CVT) technique. All the survey transects were categorized as ‘fair’ cor...
Article
CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora) aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival. However, measuring the effectiveness and impacts of these trade regulations for commercially exploited aquatic species remains challenging. This...
Article
Full-text available
Marine Protected Areas (MPAs) are useful tool for conserving biodiversity and managing fisheries. The government of Malaysia has established several Marine Protected Areas (MPAs) to enable overexploited marine resources to recover and to conserve coral reef ecosystems. The paper investigates the effect of governance approach on the effective manage...
Conference Paper
Full-text available
Abstract Sub Bottom Profiler (SBP) uses low frequency sound to penetrate the seabed thus allowing users to determine the presence of artificial reefs embedded in the seabed. This paper analyzed SBP images of concrete and other types of artificial reefs deployed by Department of Fisheries since the early 80s in the northern and western parts of the...
Article
Full-text available
Artificial reefs (ARs) program in the east coast of Peninsular Malaysia commenced in 1979 with the objective to promote and establish fish sanctuaries, enhance coastal fisheries resources and deter the encroachment of prohibited inshore areas by trawlers. The program initially started off with the utilization of discarded materials such as tyres an...
Conference Paper
Full-text available
Artificial reefs (ARs) have been established in Malaysian fisheries waters since 1975 using various materials such as discarded tyres, derelict and confiscated fishing vessel, reinforced concrete, Polyvinyl Chloride (PVC), fiberglass reinforce concrete (FRC), fiberglass, ceramic, combination of several materials (reef balls) as well as abandon oil...

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