Jamaludin, Noorul Azliana (2025) Molecular And Morphological Assessments Of Spotted Sardinella, Amblygaster Sirm (Walbaum, 1792) In Malaysian Marine Waters. PhD thesis, Universiti Sains Malaysia.
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Abstract
This study addresses the critical problem of significant landing declines of spotted sardinella (Amblygaster sirm) in Southeast Asian waters, particularly in Indonesia and Malaysia, where catches have decreased by up to 75% in some regions. Despite its economic importance, the species lacks comprehensive genetic assessment necessary for effective management, creating an urgent need to determine whether it comprises a single panmictic population or multiple distinct stocks requiring separate conservation approaches. The research aims to evaluate genetic diversity and population structure of A. sirm in Malaysian waters, distinguish separate genetic stocks to establish appropriate management units, and develop science-based sustainable management recommendations applicable at both national and regional levels.
| Item Type: | Thesis (PhD) |
|---|---|
| Subjects: | Q Science |
| Divisions: | Pusat Kajian Kelestarian Global (Centre for Global Sustainability Studies (CGSS)) > Thesis Pusat Kajian Kelestarian Global (Centre for Global Sustainability Studies (CGSS)) > Thesis |
| Depositing User: | Mr Aizat Asmawi Abdul Rahim |
| Date Deposited: | 24 Sep 2026 01:04 |
| Last Modified: | 24 Sep 2026 01:04 |
| URI: | http://eprints.usm.my/id/eprint/65024 |
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