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IOP Conference Series: Earth and Environmental ScienceScopus coverage years: from 2010 to PresentISSN: 1755-1307 E-ISSN: 1755-1315Subject area: Earth and Planetary Sciences: General Earth and Planetary Sciences

Environmental Science: General Environmental Science

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Home > ICTCRED > The 2nd International Conference on Tropical and Coastal Region Eco Development 2016

The 2nd International Conference on Tropical and Coastal Region Eco Development 2016

Inna Grand Bali Beach

October 25, 2016 – October 27, 2016

Find Us on Map

Institute of Research and Community Services, Diponegoro University (LPPM) is organizing an international conference in the area of Tropical and Coastal Region Eco-Development.The biannual conference will be held in Inna Grand Bali Beach Hotel, Sanur, Bali, Indonesia at October 25-27, 2016, and it is estimated that around 150 papers from international participants will be presented.

The previous event (the 1st ICTCRED 2014, in Semarang, Indonesia) has been successfully organized with over 100 papers from several countries. This conference is backed by prominent scientists and scholars that serve as scientific committee and reviewers who help to maintain the standard of technical publication.

The conference is intended to promote and disseminate all research papers under scope of : (A). Coastal Region Eco-Development, and (B). Tropical Life Sciences.

The scope of Coastal Region Eco Development encompasses publications with topics:

• Coastal engineering,• Marine Products Processing,• Marine Biotechnology,• Climate Change,• Coastal Management and Social

Economics,• Disaster management,• Food Technology and any other relevant

science and engineering subjects related to coastal eco-developments.

While the scope of Tropical Life Sciencescovers:

• molecular biology,• public health ,• psychology,• tropical diseases,• policy related to health and disease;• pharmacological aspects and treatment,• epidemiology,• genetic studies,• medical microbiology,• food nutrition and health,• and microbiology.

Announcements

ICTCRED agreement with Institute of Physics (IOP)

7/30/19, 6*03 PMScientific Committee & Organizer

Page 1 of 2http://econference.undip.ac.id/index.php/ictcred/index/pages/view/2016-organizing

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Home > Scientific Committee & Organizer

Scientific Committee & Organizer

Scientific CommitteeHadiyanto (Diponegoro University, Indonesia)

Makoto Tsuchiya (University of the Ryukyus, Japan)

Heru Susanto (Diponegoro University, Indonesia)

Muhammad Mukhlisin (Semarang State Polytechnic, Indonesia)

Jamari (Diponegoro University, Indonesia)

Hussein Gasem (Diponegoro University, Indonesia)

Ambariyanto (Diponegoro University, Indonesia)

Muhammad Zainuri (Diponegoro University, Indonesia)

Muhammad Ali (Mataram University)*

Sultana MH Faraz (Diponegoro University, Indonesia)

Gerard Pals (Vrije Universiteit Amsterdam, Netherland)

Randi Hagerman (University of California Davis, United States)

Flora Tassone (University of California Davis, United States)

Herawati Sudoyo (Eijkman Institute, Indonesia)

Ocky Karna Rajasa (MRTHE, Indonesia)

Craig Starger (Colorado State University, United States)

CN Ravishankar (Central Institute of Fisheries Technology, India)

Agus Sabdono (Diponegoro University, Indonesia)

Maria Barbosa (Wageningen University, Netherland)

Yasuhiro Igarashi (Japan)

Irwandi Jaswir (IIUM, Malaysia)

Michio Hidaka (University of the Ryukyus, Japan)

Agus Trianto (Diponegoro University, Indonesia)

Rudhi Pribadi (Diponegoro University, Indonesia)

AdvisorsYos Johan Utama (Rector of Diponegoro University)

Heru Susanto (Head of Institute Research and Community Service - UNDIP)

Tri Winarni Agustini (Secretary of Institute Research and Community Service - UNDIP)

Organizing Committee

Munawar A Riyadi Chair

Tri Indah Winarni Co-Chair of TLS

Diah Permata Wijayanti Co-Chair of CRED

7/30/19, 6*03 PMConference Policies

Page 3 of 4http://econference.undip.ac.id/index.php/ictcred/2016/about/editorialPolicies#custom-3

Important Dates

Abstract submission deadline : May 31th, 2016 (extended to June 20,2016)

Acceptance notification : August 1st, 2016

Early bird registration : Before August 21th, 2016

Full Text Submission : August 31st, 2016

ICTCRED 2016 Conference : October 25th - 27th 2016

Keynote Speakers

Prof. Ocky Karna Rajasa

Director of Research and Public Services at Ministry of Research,Technology and Higher Education - Indonesia

"Policy on Coastal Research in Indonesia"

Prof. Ambariyanto

Diponegoro University - Indonesia

"Update in Coastal Development"

Prof. Makoto Tsuchiya

University of the Ryukyus - Japan

"Coral Reef Ecosystem"

Prof. Chin Kun Wan

Chun Shan Medical University - Taiwan / President onInternational Society for Nutraceutical and Functional Foods

"Current Progress in Nutraceutical for Tropical Disease"

Prof. Peter Gell

Federation University of Australia - Australia

"Pollution and Coastal Environmental Changes in TropicalRegion"

Prof. Johan C. Winterwerp

TU Delft - Netherland

"Restoring eroding mangrove-mud coasts throughBuilding with Nature"

Registration Fees

IOP Conference Series: Earth and Environmental Science, Volume 55, 2... https://iopscience.iop.org/issue/1755-1315/55/1

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Past and Future Ecosystem Change in the Coastal Zone

P Gell1

1 Water Research Network, Federation University Australia, Ballarat, Australia

E-mail: p.gell@federation.edu.au

Abstract. The coastal zone is in a constant state of flux. Long term records of change attest to high amplitude sea level changes. Relative stability though the Late Holocene has allowed for the evolution of barrier dune systems, estuaries and coastal lakes with associated plant and faunal associations. This evolution has been interspersed with changes in the balance between climate driven changes in outflow from catchments. These interactions have been considerably disturbed through the impacts of industrialised people who have diverted and consumed water and invested in infrastructure that has impacted on river flows and the tidal prism in estuaries. This has impacted their provisioning services to humans. It has also impacted their regulating services in that development along the coastline has impacted on the resilience of the littoral zone to absorb natural climate extremes. Looking from the past we can see the pathway to the future and more easily recognise the steps needed to avoid further coastal degradation. This will increasingly need to accommodate the impacts of future climate trends, increased climate extremes and rising seas. Coastal societies would do well to identify their long term pathway to adaptation to the challenges that lie ahead and plan to invest accordingly.

Keywords. estuaries, paleolimnology, climate change, hydroecology, sediments, nutrients, salinization

1. Introduction

The coastal zone is in a constant state of change. This is most evident through the daily cycles of the tides that, particularly in the macrotidal zones of the world, inundate and then strand the marine littoral zones. This alone demands that the biological communities affected by the rise and fall of tides be adaptable to inundation and exposure, and in estuaries, exposed variously by marine waters and those flowing from the hinterland which are usually fresh to oligosaline. This balance varies seasonally with, in temperate zones, wet seasons coinciding with destructive waves regimes leading to the opening of estuary mouths, while the dry season and associated constructive wave regimes lead to mouth closure and the establishment of lagoonal conditions. The consequences are a winter of tidal and river flushing with oxygenated water and a summer with little flow, stratification, hypersalinity and de-oxygenation. These seasonal patterns are taken to extreme under multi-year (e.g. El Nino Southern Oscillation) and even multi-decadal (Inter-decadal Pacific Oscillation) phases of wet and dry conditions exacerbating or subduing the contrasts between seasons. Further the frequency of these cycles extends out to multi-

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2nd International Conference on Tropical and Coastal Region Eco Development 2016 IOP PublishingIOP Conf. Series: Earth and Environmental Science 55 (2017) 012001 doi:10.1088/1755-1315/55/1/012001

International Conference on Recent Trends in Physics 2016 (ICRTP2016) IOP PublishingJournal of Physics: Conference Series 755 (2016) 011001 doi:10.1088/1742-6596/755/1/011001

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distributionof this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

Published under licence by IOP Publishing Ltd

IOP Conference Series: Earth and Environmental Science, Volume 55, 2... https://iopscience.iop.org/issue/1755-1315/55/1

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Understanding coastal processes to assist with coastal erosion management in Darwin Harbour, Northern Territory, Australia

S.G. Tonyes1,2, R.J. Wasson1,3, N.C. Munksgaard1, K.G. Evans1, R. Brinkman4, D.K. Williams5

1Charles Darwin University, Darwin, Northern Territory 0909, Australia 2Udayana University, Bukit Jimbaran, Bali 80361, Indonesia 3Lee Kuan Yew School of Public Policy, National University of Singapore, Singapore 259772 4Australian Institute of Marine Science, Townsville, Queensland 4810, Australia 5Australian Institute of Marine Science, Arafura Timor Research Facility, Casuarina NT 0811, Australia

Email: Silvia.Tonyes@cdu.edu.au

Abstract. Sand transport pathways in Darwin Harbour, Northern Territory, Australia, are being investigated to assist with coastal management. Coastal erosion, which threatens public and private infrastructure, is one of the major problems along the harbour beaches. A study of sediment transport is essential to identify the challenges encountered by the stakeholders in coastal management. Darwin Harbour, located in the tropical, cyclone prone area of Australia, was, until recently, considered a near pristine estuary. A semi-diurnal macro-tidal embayment, the tidal variation in the harbour reaches up to 8 m with a mean tidal range of 3.7 m. The beach morphology consists of sandy pocket beaches between coastal cliffs, sandbars, rocky shore platforms, tidal flats and mangrove fringes. A two-dimensional depth averaged finite-element hydrodynamic model (RMA-2), coupled with a sediment transport model (RMA-11) from Resource Modelling Associates, has been used to infer the sources and the depositional areas of sand in the harbour. Grain size distributions and geochemical analysis are also used to characterize the sand and its source(s). Initial results show that the beach sand is mostly of offshore origin with small sand input from the rivers. Potential supplementary sand sources are the eroded materials from the shore platforms and the rocky cliffs. Due to the rapid development in Darwin Harbour, this study is fundamental in understanding coastal processes to support decision making in coastal management, particularly in a macro-tidal, tropical estuary.

Keywords: Darwin Harbour, macro-tidal, sand transport, coastal erosion, RMA

1. IntroductionCoastal erosion is a natural phenomenon. In fact, coast lines change continually, controlled by theinteraction of the local hydrodynamics and their morphology. Coastal change is a longstanding problemthat mankind has had to deal with to provide safety from flooding and to protect transportationinfrastructure. Conventionally, coastal erosion is managed locally using hard engineering approaches,such as sea walls or breakwaters, which do not guarantee good outcomes and often create erosion inother areas [1, 2]. These consequences often stem from engineering decisions that only consider theimmediately affected area, underestimating the processes that are occurring in the wider coastal zone.

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2nd International Conference on Tropical and Coastal Region Eco Development 2016 IOP PublishingIOP Conf. Series: Earth and Environmental Science 55 (2017) 012012 doi:10.1088/1755-1315/55/1/012012

International Conference on Recent Trends in Physics 2016 (ICRTP2016) IOP PublishingJournal of Physics: Conference Series 755 (2016) 011001 doi:10.1088/1742-6596/755/1/011001

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distributionof this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

Published under licence by IOP Publishing Ltd

IOP Conference Series: Earth and Environmental Science, Volume 55, 2... https://iopscience.iop.org/issue/1755-1315/55/1

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Antioxidant activity of three microalgae Dunaliella salina,

Tetraselmis chuii and Isochrysis galbana clone Tahiti

Ita Widowati1, Muhammad Zainuri1, Hermien Pancasakti Kusumaningrum2,

Ragil Susilowati3, Yann Hardivillier4, Vincent Leignel4, Nathalie Bourgougnon5,

Jean-Luc Mouget4

1Department of Marine Science, Faculty of Fisheries and Marine Science, Diponegoro

University, Jl. Prof. Soedarto SH, Tembalang, Semarang -50275 , Indonesia

2Department of Biology, Faculty of Sciences and Mathematic, Diponegoro University, Jl. Prof

Soedarto SH, Tembalang, Semarang -50275, Indonesia

3Alumny Master of Coastal Ressource Management, Faculty of Fisheries and Marine Science,

Diponegoro University, Jl. Prof.Soedarto SH Tembalang, Semarang-50275 , Indonesia

4Laboratoire du Mer Molécule et Santé, Université du Maine, Le Mans, France

5Laboratoire de Chimie Biologie Marine, Université de Bretagne Sud, Vannes, France

Email : ita_jusup@yahoo.co.id

Abstract. Natural alternatives antioxidant source has become a trending topic in the past decades

to replace synthetic antioxidant. Microalgae have been mentioned to show interesting bioactive

properties and one of them is its antioxidant activity. This study aims to evaluate the potential of

three microalgae Dunaliella salina, Tetraselmis chuii and Isochrysis galbanaas new source of

natural antioxidant. Proximate analysis and total phenolic content of D. salina, T. chuii and I.

galbanas were determined. Antioxidant activity of methanolic extracts of these three species

prepared in different concentration (50, 100, 250, 500, and 1000 ppm) was performed through

DPPH assay. I. galbana clone Tahiti demonstrated a highest antioxidant potential with 61.64 of

inhibition at 50 ppm followed by D. salina with 58.45 % of inhibition and T. chuii with 52.58 %

of inhibition. I. galbana clone Tahiti was the best antioxidant with total phenol content of 17.798

mg GAE g-1extract at 50 ppm; followed by T. chuii 16.868 mg GAE g-1extract and the lowest

was D. salina with 4.672 mg GAE g-1extract. Results suggest that these microalgae posses

antioxidant potential which could be considered for future applications in medicine, dietary

supplements, cosmetics or food industries.

Keywords: antioxidant activity, DPPH, microalgae, total phenol.

1. Introduction

Indonesia, as an archipelagic state surrounded by ocean, presents a potential as a microalgae source

because of its huge natural biodiversity. Microalgae are distributed everywhere: in salt, brackish or

freshwater, in tropical to cold regions and sometimes as symbionts with other organisms, and some

species are used and cultivated by farmers.

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2nd International Conference on Tropical and Coastal Region Eco Development 2016 IOP PublishingIOP Conf. Series: Earth and Environmental Science 55 (2017) 012067 doi:10.1088/1755-1315/55/1/012067

International Conference on Recent Trends in Physics 2016 (ICRTP2016) IOP PublishingJournal of Physics: Conference Series 755 (2016) 011001 doi:10.1088/1742-6596/755/1/011001

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distributionof this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

Published under licence by IOP Publishing Ltd

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