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Undip Professor and Alor Researcher Find Evidence of the Upwelling Phenomenon in the Cetacean Passage, Alor Strait

Undip Professor and Alor Researcher Find Evidence of the Upwelling Phenomenon in the Cetacean Passage, Alor Strait

by | May 12, 2020 | Research and Dedication

FPIK, SEMARANG – Senior oceanography researcher from the Faculty of Fisheries and Marine Science (FPIK) UNDIP, Prof. Agus Hartoko, and Doctoral candidate Jahved F. Maro from the Tribuana Kalabahi University (UNTRIB) have found evidence of a local phenomenon called “Cold Water” in the Alor Strait. In oceanography this phenomenon is called upwelling. In the case of Alor Strait, the cold 7°C sea water from a depth of 1.000 meters rose to sea as observed in the incident on May 8th, 2020 at 11.44 am (Eastern Indonesian Time). Normally, sea surface temperature in the tropic sea could reach a temperature of 30°C. In this upwelling condition, the Cetaceans arrives, and dolphins hopping on the surface of the sea water.

Over the past hundreds of years, the Savu Sea of ​​East Nusa Tenggara (NTT), Lamalera and the Alor Strait are parts of the Savu Sea that are known by local fishermen as the migration route for the Cetacean group, such as whales, dolphins and dugongs. Whales were often washed ashore after passing through this strait and usually died naturally.

 

Dugong | Source: FPIK.

Dolphins (Tursiops sp., Stenella sp., Lagenodelphis sp.) | Source: FPIK.

Whales (Feresa sp., Kogia sp., Mesoplodon sp.) | Source: FPIK.

The measurement and analysis of MODIS – Aqua satellite data, showed that at certain times an upwelling has occurred, and turn the sea in the Savu Sea waters into a ‘cold pool’ surrounded by warm water. The sea surface temperature range in the Savu Sea is between 26.7°C – 28.6°C or 2°C cooler than the surroundings, namely in the North of Alor and in the South of Rote Island, where the temperature in the sea surface area ranges from 28.6°C – 31.4°C.

Picture of satelit MODIS – Aqua data analisys | Source: FPIK.

The of cold water mass flow from the Indian Ocean to the North following the topography of the ocean floor from the tectonic plate junction of Australia and the Pacific in the South of the Savu Sea. In the process of the upwelling, the seawater from the Indian Ocean flows into the ‘pool’ of the Savu Sea from a depth of 3.500 meters, then the cold water flows to the North moving up into the Alor Strait with a depth of 500 meters and finally rises to sea surface with a temperature of 7°C in May. This Up-Welling phenomenon usually occurs in May and November or during the east-monsoon.

The Savu Sea area has been designated as a marine protected area. Therefore, in the future, UNDIP, local government of Alor, NTT Provincial Government, UNTRIB Alor and WWF Alor will together develop the area into a marine tourism area or so called the integrated and sustainable “Marine Geopark” along with the local community. (Dwi Haryanti).

Sources:

https://www.researchgate.net/publication/341600602_Morphology_and_Molecular_Biology_of_Benthic_Java_Sea_Shark_Ray_Rhina_ancylostoma_Bloch_and_Scheider_1801_Elasmobranchia_Rhinidae

Inauguration of Prof. Dr. Ir. Suradi Wijaya Saputra, M.S. as a Professor of FPIK

Inauguration of Prof. Dr. Ir. Suradi Wijaya Saputra, M.S. as a Professor of FPIK

by | Dec 12, 2019 | Achievement

FPIK, SEMARANG – Today, Friday, December 12th, 2019 is a happy day for the Faculty of Fisheries and Marine Science (FPIK), Diponegoro University (UNDIP). FPIK UNDIP increases the number of professors. The professor from FPIK UNDIP who was inaugurated was Prof. Dr. Ir. Suradi Wijaya Saputra, M.S. (Department of Aquatic Resources in the field of Fisheries Resource Management). The inauguration ceremony of the professors was held at Prof. Building. Soedarto SH, Tembalang, led by the Chairman of the UNDIP Academic Senate, Prof. Dr. Ir. Soenarso, MS.

Inauguration speech was delivered by Prof. Dr. Ir. Suradi Wijaya Saputra, M.S. entitled “Management of Penaid Shrimp Resources for Sustainability and Increased Fishermen’s Income”. In his speech, Prof. Suradi explained the importance of managing fisheries resources, including penaid shrimp, so that shrimp resources can be sustainable, fishing efforts carried out by fishermen can be sustainable, their income increases, therefore, increasing the prosperity of the fishermen.

His speech explained about the main problems of penaid shrimp fisheries in Indonesia, such as overfishing, use of non-environmentally friendly fishing gear, IUU Fishing, supervision and law enforcement as well as habitat and ecosystem damage. Presentation of various penaid shrimp management efforts, both with a partial approach, such as the regulation of shrimp that can be caught, the arrangement of fishing gear, as well as an integrated approach through the application of the concept of ecosystem-based fisheries management (ecosystem approach to fisheries management; EAFM). The implications of management actions are also illustrated, both the implications for the conservation of shrimp resources and the income of fishermen.

Prof. Suradi hopes to provide benefits in the development of science and technology in the field of fisheries, as well as be useful in overcoming the problems of shrimp fisheries to preserve the resources and improve the welfare of fishermen.

In addition to inaugurating two professors from FPIK, at the same time, UNDIP also inaugurated a professor from the Faculty of Animal Husbandry and Agriculture: Prof. Dr. Ir. Sri Mukodiningsih, M.S. Currently, FPIK UNDIP has 21 professors in which Prof. Dr. Ir. Suradi Wijaya Saputra, M.S. is the 6th Professor from the Department of Aquatic Resources. Congratulations and success for the Faculty of Fisheries and Marine Sciences, Diponegoro University and Professors for their achievements. (Ratnaningtyas).

General Lecture Blue Carbon Prof. Masahiro Nakaoka of Hokkaido University

General Lecture Blue Carbon Prof. Masahiro Nakaoka of Hokkaido University

by | Nov 25, 2019 | News

FPIK, SEMARANG – On Monday, October 14th, 2019 Faculty of Fisheries and Marine Science (FPIK) UNDIP guests from Hokkaido University. The arrival of Prof. Masahiro Nakaoka FPIK Undip well received by the Dean Prof. FPIK Ir. Tri Winarni Agustini, M.Sc, Ph.D and Vice Dean of Innovation and Research Dr. Tita Elfitasari, S.Pi, M.Sc and accompanied by Dr. Ir. Frida Purwanti, M.Sc as the Secretary of Doctoral Studies Program S3 Coastal Resource Management.

The activity continued with the implementation of a Public Lecture held on Monday, October 14th, 2019 located in Building A 3rd floor room J.301 by Doctoral Studies Program S3 and S2 Coastal Resource Management, Department of Aquatic Resources, as Speaker Prof. Masahiro Nakaoka of Akkeshi Marine Station, Field Science Center for Northern Biosphere, Hokkaido University, Japan; entitled “Multiple Ecosystem Services from Seagrass Beds: Synergetic Effects / Trade-Offs of Blue Carbon Services”

Postdoctoral activities previously are undertaken to support the activities of the program World Class University (WCU) Undip by sending one of the staff of the Ministry of Aquatic Resources, Dr. Ir. Frida Purwanti, M.Sc Akkeshi Marine Station, and Field Science Center for Northern Biosphere and Hokkaido University, Japan for 1 month (July – August 2019).

One objective of this postdoctoral activity is to research and joint publications between Undip with Hokkaido University. (Ratnaningtyas).

Goes to Campus and Field Research, SMA Fons Vitae 1 – East Jakarta visit FPIK – Diponegoro University

Goes to Campus and Field Research, SMA Fons Vitae 1 – East Jakarta visit FPIK – Diponegoro University

by | Nov 25, 2019 | News

FPIK, SEMARANG – On this day, Tuesday, Oct 22nd, 2019 we had guests XI grade students of Mathematics and Science program of the Foundation Marsudirini SMA Fons Vitae 1, East Jakarta. Visits by 2 buses with approximately 80 participants, accompanied by 4 people Master Companion well received by the Vice Dean for Communications and Business Head, Head of Administration and the environment Faculty of Fisheries and Marine Science (FPIK).

These outreach activities to acquire new information and insight about the College one of Diponegoro University. The event called Campus Study – Study Courses (Goes to Campus and Field Research), October, 21st to 25th plans to visit several places and Campus in Central Java (Semarang, Dieng Wonosobo Yogyakarta).

Located in Building Auditorium Campus FPIK Diponegoro University does the delivery profile of which include academic institutions where the atmosphere such as lectures and practical activities, what are the facilities and activities of Student Affairs. Speech, presentation, and discussion led by Ir. Irwani, MPhill as Vice Dean for Communications and Business make teachers and students enthusiastic to ask about the profile of the campus so that two-way communication is established. The event closed with the presentation of souvenirs and photos together. (Ratnaningtyas).

Signing of cooperation, FPIK UNDIP Collaboration with Hokkaido University, Japan

Signing of cooperation, FPIK UNDIP Collaboration with Hokkaido University, Japan

by | Nov 20, 2019 | News

FPIK, SEMARANG – On Monday, November 18th, 2019, a joint LoA (Letter of Agreement) was signed between the Faculty of Fisheries and Marine Science (FPIK), Diponegoro University and the School, Graduate School and Faculty of Fisheries Science, Hokkaido University, Japan. The signing of the LoA was carried out in conjunction with the EURASTiP and ASEAN FEN 2019 activities in Kuala Lumpur, Malaysia. At the same time, there was also a signing of a collaboration between Brawijaya University and Kasetsart University, Thailand.

The signing which includes the Plan of Action on Student Exchange and Academic Exchange Agreement was carried out by the Dean of FPIK Prof. Ir. Tri Winarni Agustini, M.Sc, Ph.D and Dean of the Faculty of Fisheries Science at Hokkaido University, conducted by Prof. Nobuo Kimura, Ph.D.

The Plan of Action on Student Exchange states that the two Universities agree to implement a student exchange program. The Academic Exchange Agreement between the two institutions has agreed to form this academic exchange agreement to encourage international cooperation in education, research, community service and cultural exchange. Both institutions seek to develop mutually beneficial programs for students, faculty, departments and research institutions under the terms of this agreement. The potential programs and activities between the two institutions are but not limited to the following which includes curriculum development, joint academic and programs in full compliance with the accreditation and professional requirements of both institutions; joint research and publication; transfer of credit-bearing academic courses based on transparency of course materials and faculty qualifications; exchange of graduate and undergraduate students for study, research and internships; faculty exchanges for research, lectures, and laboratory experiments; exchange of educational materials, research projects, publications and library materials; joint conferences, seminars and workshops and joint supervision of the two institutions.

Dean of FPIK UNDIP Prof. Tri on that occasion said his gratitude for the trust given by Hokkaido University, Japan to UNDIP to be able to collaborate in the Tri Dharma of Higher Education, namely the fields of education, research, community service and other fields agreed by both parties in accordance with their respective functions and authorities. Hopefully this collaboration can run well and provide benefits to both parties. (Ratnaningtyas).