Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park

Most algae studies in Malaysia have focused on phytoplankton in lakes. Despite the occurrence of numerous streams and rivers in Malaysia, algae community in the lotic ecosystems remained largely unknown. In this study, macroscopic cyanobacteria collected from 9 sites along Tukun River were examined...

Full description

Bibliographic Details
Main Author: Azizan, Asmimie Asmawarnie
Format: Thesis
Language:English
Published: 2017
Subjects:
Online Access:http://eprints.usm.my/47475/1/ASMIMIE%20ASMAWARNIE%20BINTI%20AZIZAN.pdf%20cut24.pdf
_version_ 1797011770137640960
author Azizan, Asmimie Asmawarnie
author_facet Azizan, Asmimie Asmawarnie
author_sort Azizan, Asmimie Asmawarnie
collection USM
description Most algae studies in Malaysia have focused on phytoplankton in lakes. Despite the occurrence of numerous streams and rivers in Malaysia, algae community in the lotic ecosystems remained largely unknown. In this study, macroscopic cyanobacteria collected from 9 sites along Tukun River were examined to identify the diversity of the group from December 2014 to November 2015. To the best of our knowledge, this is the pioneer study on periphytic cyanobacteria conducted in the stream of Penang National Park. To date, 24 morphospecies has been identified including 9 family whereby 10 species were encountered from field and the other 14 remaining were identified in cultures. Crust were the most dominant macroscopic forms with 7 morphospecies, followed by mats (3 morphospecies). Scytonema was the most dominant genus occurring at 8 out of 9 sampling sites. Presence of heterocytous cyanobacteria (S. stuposum or S. hofmanni) in 8 out of 9 sampling sites coincide with the low nitrate value (<074mg/L) recorded throughout the study stream. Chroococcales were dominant in both upper and middle stream. Environmental factor were also included in identification of cyanobacterial diversity along the study sites.
first_indexed 2024-03-06T15:39:10Z
format Thesis
id usm.eprints-47475
institution Universiti Sains Malaysia
language English
last_indexed 2024-03-06T15:39:10Z
publishDate 2017
record_format dspace
spelling usm.eprints-474752020-10-22T03:03:09Z http://eprints.usm.my/47475/ Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park Azizan, Asmimie Asmawarnie QH1 Natural history (General - Including nature conservation, geographical distribution) Most algae studies in Malaysia have focused on phytoplankton in lakes. Despite the occurrence of numerous streams and rivers in Malaysia, algae community in the lotic ecosystems remained largely unknown. In this study, macroscopic cyanobacteria collected from 9 sites along Tukun River were examined to identify the diversity of the group from December 2014 to November 2015. To the best of our knowledge, this is the pioneer study on periphytic cyanobacteria conducted in the stream of Penang National Park. To date, 24 morphospecies has been identified including 9 family whereby 10 species were encountered from field and the other 14 remaining were identified in cultures. Crust were the most dominant macroscopic forms with 7 morphospecies, followed by mats (3 morphospecies). Scytonema was the most dominant genus occurring at 8 out of 9 sampling sites. Presence of heterocytous cyanobacteria (S. stuposum or S. hofmanni) in 8 out of 9 sampling sites coincide with the low nitrate value (<074mg/L) recorded throughout the study stream. Chroococcales were dominant in both upper and middle stream. Environmental factor were also included in identification of cyanobacterial diversity along the study sites. 2017-10 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/47475/1/ASMIMIE%20ASMAWARNIE%20BINTI%20AZIZAN.pdf%20cut24.pdf Azizan, Asmimie Asmawarnie (2017) Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park. Masters thesis, Universiti Sains Malaysia.
spellingShingle QH1 Natural history (General - Including nature conservation, geographical distribution)
Azizan, Asmimie Asmawarnie
Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title_full Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title_fullStr Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title_full_unstemmed Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title_short Polyphasic Evaluation Of Periphytic Freshwater Cyanobacteria In Tukun River, Penang National Park
title_sort polyphasic evaluation of periphytic freshwater cyanobacteria in tukun river penang national park
topic QH1 Natural history (General - Including nature conservation, geographical distribution)
url http://eprints.usm.my/47475/1/ASMIMIE%20ASMAWARNIE%20BINTI%20AZIZAN.pdf%20cut24.pdf
work_keys_str_mv AT azizanasmimieasmawarnie polyphasicevaluationofperiphyticfreshwatercyanobacteriaintukunriverpenangnationalpark