Wahyu Andy Nugraha
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View article: Image Clustering Optimization: A Comparison of Single vs Hybrid Feature Extraction Technique
Image Clustering Optimization: A Comparison of Single vs Hybrid Feature Extraction Technique Open
In image processing, clustering techniques aim to group images into distinct classes. These methods utilize feature extraction, the first step toward pattern recognition, and analyze unprocessed data to derive valuable information. The imp…
View article: Preprocessing Impact on SAR Oil Spill Image Segmentation Using YOLOv8
Preprocessing Impact on SAR Oil Spill Image Segmentation Using YOLOv8 Open
Synthetic Aperature Radar (SAR) is a sensory equipment used in marine remote sensing that emits radio waves to capture a representation of the target scene. SAR images have poor quality, one of which is due to speckle noise. This research …
View article: Gastropod and Bivalvia Diversity Using Environmental DNA (E-DNA) Techniques in The Waters of Gili Genting and Gili Labak Islands, Sumenep, Madura
Gastropod and Bivalvia Diversity Using Environmental DNA (E-DNA) Techniques in The Waters of Gili Genting and Gili Labak Islands, Sumenep, Madura Open
Gili Genting and Gili Labak Islands are tourist attractions that are visited by many tourists, affecting the biota in the waters, especially Gastropoda and Bivalvia. Research on the diversity of these species in Gili Genting and Gili Labak…
View article: The mangrove ecosystems on the north coast of Bangkalan, Indonesia, and its potential for mangrove ecotourism
The mangrove ecosystems on the north coast of Bangkalan, Indonesia, and its potential for mangrove ecotourism Open
Nugraha WA, Ambariyanto A, Insafitri. 2024. The mangrove ecosystems on the north coast of Bangkalan, Indonesia, and its potential for mangrove ecotourism. Biodiversitas 25: 859-868. Mangrove ecosystems have the potential to be used as obje…
View article: DNA Barcoding of Horseshoe Crab From Madura Island
DNA Barcoding of Horseshoe Crab From Madura Island Open
Horseshoe crab or mimi, commonly known as horseshoe crab is an ancient animal that can live until now so it is called a living fossil. Horseschoe crab can be found in Madura, but there is no comprehensive data yet. Accurate data on horsesh…
View article: Coral Cover in The Sempu Strait Around Pondok Dadap Fishing Port Malang
Coral Cover in The Sempu Strait Around Pondok Dadap Fishing Port Malang Open
The Sempu Strait is an area located in the southern coastal area of Malang Regency, precisely in Krajan Village, Sumbermanjing Wetan District. The Sempu Strait has a Pondok Dadap Fishing Port which refers to the Eco Fishing Port. This stud…
View article: Suitability Index of Snorkeling Tourism In Sepulu District, Bangkalan, Indonesia
Suitability Index of Snorkeling Tourism In Sepulu District, Bangkalan, Indonesia Open
Bangkalan is one of the districts in Madura with a coastal area that can be developed as a marine tourism location for snorkelling, and their northern coast facing the Java Sea has only been used for coastal tourism. This research aimed to…
View article: DNA barcode of seven species coral from Sepulu, Madura Island, Indonesia
DNA barcode of seven species coral from Sepulu, Madura Island, Indonesia Open
Insafitri, Nursalim N, Kholilah N, Kurniasih EM, Cahyani NKD, Nugraha WA, Ambariyanto A. 2023. DNA barcode of seven species coral from Sepulu, Madura Island, Indonesia. Biodiversitas 24: 317-323. Diversity of coral species is needed becaus…
View article: Early Detection of Contamination Vibrio parahaemolyticus and Escherichia coli in Fisheries Product Using Multiplex Polymerase Chain Reaction
Early Detection of Contamination Vibrio parahaemolyticus and Escherichia coli in Fisheries Product Using Multiplex Polymerase Chain Reaction Open
The fisheries sector provided a significant contribution to the Indonesian economy by increasing export activities in every year. The exported fisheries product are categorized of live fish, frozen fish, preservation products from various …
View article: Infection of Infectious Spleen and Kidney Necrosis Virus and Viral Nervouse Necrosis in Seawater Fish Identifed Using Multiplex Polymerase Chain Reaction
Infection of Infectious Spleen and Kidney Necrosis Virus and Viral Nervouse Necrosis in Seawater Fish Identifed Using Multiplex Polymerase Chain Reaction Open
Indonesia become a maritime country with large of ocean area and beach line with marine species diversity reaches 37% of the world’s fish. This makes Indonesia have aquaculture potential that supported by an appropriate climate. However, t…
View article: Penutupan, Rugositas Terumbu Karang dan Kelimpahan Ikan Karang di Perairan Utara Bangkalan
Penutupan, Rugositas Terumbu Karang dan Kelimpahan Ikan Karang di Perairan Utara Bangkalan Open
Coral reefs are marine organisms in the form of limestone (CaCO3). Reef fish are fish associated with coral reefs. The abundance of reef fish is influenced by the fertility of coral reefs in the waters. This research was conducted in Septe…
View article: The Correlation of Coral Reef Cover and Rugosity with Coral Reef Fish Density in East Java Waters
The Correlation of Coral Reef Cover and Rugosity with Coral Reef Fish Density in East Java Waters Open
HighlightsCoral cover, rugosity, and reef fish abundance was determinedThe relationship between coral cover and rugosity and fish abundance was analyzed.Coral cover in East Java were categorized as medium – good.The rugosity index and the …
View article: Laju Pertumbuhan dan Pertumbuhan Mutlak Karang Lunak Cladiella sp. pada Substrat yang Berbeda
Laju Pertumbuhan dan Pertumbuhan Mutlak Karang Lunak Cladiella sp. pada Substrat yang Berbeda Open
Soft corals have a soft textured skeletal like tiny spikes made of calcium carbonate present in their tissues. In general, soft corals are attached to hard substrates in the bottom of the waters. This study aims to determine the survival r…
View article: Prevalence and Bacteria Associated with White Band Disease on Acropora sp. from Gili Labak Island Sumenep District Indonesia
Prevalence and Bacteria Associated with White Band Disease on Acropora sp. from Gili Labak Island Sumenep District Indonesia Open
Coral reefs have many problems including coral diseases. One of the coral diseases that infect Acropora sp. from Gili Labak Island is the White Band Disease (WBD). Their prevalence and bacteria associated with the WBD on Acropora sp. is wa…