Judul: Pengaruh fenomena iodm terhadap pola penyebaran klorofil di perairan barat sumatera
Abstrak: Fenomena Indian Ocean Dipole Mode (IODM) ditemukan pertama kali oleh para peneliti yang tergabung dalam Climate Variations Research Program (CVRP) dari Frontier Research Center for global Change (FRCGC). Fenomena IODM dapat diidentifikasikan dengan menggunakan Dipole Mode Index (DMI). Jika DMI bernilai positif, SPL di Samudera Hindia bagian timur menjadi rendah dan sebaliknya terjadi di Samudera Hindia bagian barat. Sedangkan, jika SPL di Samudera Hindia bagian timur menjadi tinggi dan sebaliknya terjadi Samudera Hindia bagian barat maka DMI akan bernilai negatif. Berdasarkan nilai DMI tersebut, IODM dibagi menjadi dua fase yakni IODM positif dan IODM negatif yang kemungkinan dapat menyebabkan terjadi upwelling di pantai barat Sumatera. Penelitian ini bertujuan untuk mengetahui pola sebaran klorofil-a secara spasial. Serta mengetahui seberapa jauh pengaruh IODM terhadap pola sebaran klorofil-a di perairan barat Sumatera.
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Judul: Kajian kesuburan perairan pada tiga kondisi moda dwikutub samudera hindia (indian ocean dipole mode) hubungannya dengan hasil tangkapan ikan pelagis di Perairan Barat Sumatera
Abstrak: The Indian Ocean Dipole Mode (IOD/IODM) is an oscillation of the interaction between atmosphere and ocean system. IODM comprises of bipolar structure that characterized by the difference of sea surface temperature to normal. This phenomenon provides important influence to the several parameters of oceanographyc. While the positive event of IODM, during southeast munsoon (June to October), southeasterly wind from Australia generates upwelling, bringing cooler waters and increased nutrients to the surface along the southern coast of Java and Sumatera and its condition has been increasing chlorophyll-a concentration. The objectives of this study is to know the variability of chlorophyll-a along the southern coast of Java and Sumatera on positive IODM event. The sea surface temperature (SST) images taken from thermal sensor of Advanced Very High Resolution Radiometer-National Oceanic and Atmospheric Administration (AVHRR-NOAA) has been used to detect the cooler water as upwelling indicator. We investigated the spasial and temporal variability of chlorophyll-a along the south coasts of West Java and Sumatera from September 1997 to December 2009, by using the data of the Sea-viewing Wide-field of view sensor (SeaWiFS) of Sea Star satellite. The results shown that formation phase of IODM in transitional season I (May), while the strengthening of the South Equatorial Current followed by early cooling of the SST. The maturation phase in the southeast monsoon (June to August) and decay phase in November was followed by warming of the SST. At the Southeast monsoon (June to August), there is a visible presence of upwelling in the south of Java and western coast of Sumatera. Upwelling with highly intensity was founded in the southern coast of Java and western part of Sumatera on strong positive IODM event assosiated with intermediate of El Niño event, 1994. Higer chlorophyll-a concentration corresponds very well with monsoon-generated upwelling during the Southeast monsoon cycle. During the peak of anomalous easterly winds on strong positive IODM event (1997 and 2006) were induced strong upwelling. This event produced higher chlorophyll-a concentration that extended further northwest-ward along the Sumatera coast. The impact of upwelling while the IODM positive event on pelagic fish catch, likely follow the temporal variability in chlorophyll.
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Judul: Studi Kasus Liver Neoplasia pada Anjing Shih Tzu
Abstrak: Liver neoplasia is the excessive and uncontrolled replication of hepatocytes that forms nodules visible in ultrasonography. The purpose of this study is to study and discuss the characteristic, diagnosis and treatment of liver neoplasm through the interpretation of ultrasonography and hematology in a Shih Tzu dog. Ultrasonography is conducted with a Chison Q8 ultrasound machine with a 5 to 7 MHz frequency convex probe on lateral recumbency. The blood cells, liver enzymes and nodules sizes were the main parameters in this study. The results in the period of three years from 2021 to 2023 were interpreted and supported with secondary data sources. The Shih Tzu dog is 14 years old in the year 2023 with a body weight of 5.21kg. No obvious clinical signs were observed during previous examinations. However, lethargy, vomiting and anorexia were recorded in its latest examination. Thrombocytosis, granulocytosis, high liver enzymes and hypoglycemia, which are some of the neoplastic clinical manifestations were also presented by this patient. Besides, liver neoplasm, spleen neoplasm and biliary sludge were the sonogram findings of this patient. The liver and spleen neoplasm was observed stable, while the biliary sludge volume fluctuated. The treatment strategy recorded is Ondansetron, Samylin®, Ornipural and Ursodeoxycholic acid.
Keyword: Blood biochemistry profile, Hematology, Liver Neoplasia, Shih Tzu, Ultrasonography