Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)

This study examines the parameters that influence the growth of turbid water coral; Dipsastraea pallida and Dipsastraea speciosa from Tanjung Tuan, Port Dickson including variances in light intensity, temperature and feeding, to generate turbid water coral aquaculture protocol for conservation pu...

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Main Author:	Lim, Saoi May
Format:	Thesis
Language:	English
Published:	2018
Subjects:	Corals - Propagation Scleractinia
Online Access:	http://psasir.upm.edu.my/id/eprint/98526/1/IB%202020%2020%20-%20IR.pdf
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id	my-upm-ir.98526
record_format	uketd_dc
spelling	my-upm-ir.985262022-08-30T01:19:28Z Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846) 2018-12 Lim, Saoi May This study examines the parameters that influence the growth of turbid water coral; Dipsastraea pallida and Dipsastraea speciosa from Tanjung Tuan, Port Dickson including variances in light intensity, temperature and feeding, to generate turbid water coral aquaculture protocol for conservation purposes. Dipsastraea pallida and D. speciosa were subjected to six different light treatments under LED and fluorescent lights, showed better growth under light intensity at 60 μmol m-2 s-1. At this light intensity, D. pallida recorded highest specific growth rate (SGR), which were 1.66 ± 0.15 mg week-1 under LED and 1.65 ± 0.18 mg week-1 under fluorescent lights, while Dipsastraea speciosa reached 1.65 ± 0.16 mg week-1 (LED) and 1.63 ± 0.16 mg week-1 (fluorescent) respectively. Coral specimens were tested for thermal tolerance with increasing temperature up to bleaching point. Results showed Dipsastraea pallida and D. speciosa can withstand temperature up to 34 °C for five days continuously and bleached once exposed to 35 °C and do not recover from bleaching. Artemia sp. nauplii were fed to D. pallida and D. speciosa to examine the optimal feeding time and feeding rate. Both species presented diurnal feeding behavior with highest feeding rate in the afternoon from 1200h to 1400h, with preferable feeding density of Artemia sp. nauplii at 5 ind mL-1 with average 107.20 ± 2.47 ind-1 polyp-1 h-1 (D. pallida) and 113.60 ± 3.59 ind-1 polyp-1 h-1 (D. speciosa). Present study concludes that D. pallida and D. speciosa from Tanjung Tuan exhibit diurnal feeding behavior. Result showed evident showed that these two species have adapted to Tanjung Tuan low light water conditions with better growth performance at light intensity 60 μmol m-2 s-1. These two species from the intertidal zone have higher heat tolerance with bleaching point at 35 °C. Corals - Propagation Scleractinia 2018-12 Thesis http://psasir.upm.edu.my/id/eprint/98526/ http://psasir.upm.edu.my/id/eprint/98526/1/IB%202020%2020%20-%20IR.pdf text en public masters Universiti Putra Malaysia Corals - Propagation Scleractinia Wong, Nur Leena Wai Sin
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
advisor	Wong, Nur Leena Wai Sin
topic	Corals - Propagation Scleractinia
spellingShingle	Corals - Propagation Scleractinia Lim, Saoi May Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
description	This study examines the parameters that influence the growth of turbid water coral; Dipsastraea pallida and Dipsastraea speciosa from Tanjung Tuan, Port Dickson including variances in light intensity, temperature and feeding, to generate turbid water coral aquaculture protocol for conservation purposes. Dipsastraea pallida and D. speciosa were subjected to six different light treatments under LED and fluorescent lights, showed better growth under light intensity at 60 μmol m-2 s-1. At this light intensity, D. pallida recorded highest specific growth rate (SGR), which were 1.66 ± 0.15 mg week-1 under LED and 1.65 ± 0.18 mg week-1 under fluorescent lights, while Dipsastraea speciosa reached 1.65 ± 0.16 mg week-1 (LED) and 1.63 ± 0.16 mg week-1 (fluorescent) respectively. Coral specimens were tested for thermal tolerance with increasing temperature up to bleaching point. Results showed Dipsastraea pallida and D. speciosa can withstand temperature up to 34 °C for five days continuously and bleached once exposed to 35 °C and do not recover from bleaching. Artemia sp. nauplii were fed to D. pallida and D. speciosa to examine the optimal feeding time and feeding rate. Both species presented diurnal feeding behavior with highest feeding rate in the afternoon from 1200h to 1400h, with preferable feeding density of Artemia sp. nauplii at 5 ind mL-1 with average 107.20 ± 2.47 ind-1 polyp-1 h-1 (D. pallida) and 113.60 ± 3.59 ind-1 polyp-1 h-1 (D. speciosa). Present study concludes that D. pallida and D. speciosa from Tanjung Tuan exhibit diurnal feeding behavior. Result showed evident showed that these two species have adapted to Tanjung Tuan low light water conditions with better growth performance at light intensity 60 μmol m-2 s-1. These two species from the intertidal zone have higher heat tolerance with bleaching point at 35 °C.
format	Thesis
qualification_level	Master's degree
author	Lim, Saoi May
author_facet	Lim, Saoi May
author_sort	Lim, Saoi May
title	Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
title_short	Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
title_full	Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
title_fullStr	Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
title_full_unstemmed	Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)
title_sort	effects of light, temperature and feeding on growth of artificially propagated corals dipsastraea pallida (dana, 1846) and dipsastraea speciosa (dana, 1846)
granting_institution	Universiti Putra Malaysia
publishDate	2018
url	http://psasir.upm.edu.my/id/eprint/98526/1/IB%202020%2020%20-%20IR.pdf
_version_	1747813874434834432

Effects of light, temperature and feeding on growth of artificially propagated corals Dipsastraea pallida (DANA, 1846) and Dipsastraea speciosa (DANA, 1846)

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