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All Journal Prosiding Forum Geografi Jurnal Penelitian Pendidikan IPA (JPPIPA) Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Sains Natural: Journal of Biology and Chemistry Jurnal Segara Scripta Biologica BioEksakta : Jurnal Ilmiah Biologi Unsoed

Erwin Riyanto Ardli

Fakultas Biologi Universitas Jenderal Soedirman, Purwokerto

Author-ID : 753212

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Veterinary

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DIVERSITAS DAN DISTRIBUSI IKAN DI SEGARA ANAKAN CILACAP Suprastini Suprastini; Erwin Riyanto Ardli; Agus Nuryanto
Scripta Biologica Vol 1, No 2 (2014)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Fish is one of the aquatic commodities with significant economic value, and Segara Anakan areas is a habitat for valuable fishes for local fisherman. Segara Anakan is a eutrophic waters and serves as nursery and spawning ground and also provide an optimal environment for several species fish larvae to grow, either sedentary or migratory species. Therefore it is suggested that diverse species inhabit Segara Anakan and different part of those areas has different species because different species commonly exhibit different habitat preferences. The objectives of this research were to determine the diversity and spatial distribution of fish species in Segara Anakan Cilacap. This research was a survey with the Cluster Random Sampling was implemented as sampling technique. Species diversity was analyzed descriptively, as well as the spatial distribution. The relationships between environmental parameters and spatial distribution were analyzed using Principal Component Analysis. Environmental factors such as temperature, pH, salinity, and water DO were measured. The result showed that Stolephorus indicus was the most dominant species in Segara Anakan. The spatial distribution of fishes in every sampling station was found fluctuated. The environmental factors and fish were found highly correlated.

THE MONITORING OF MANGROVE VEGETATION COMMUNITY STRUCTURE IN SEGARA ANAKAN CILACAP FOR THE PERIOD OF 2009 AND 2015 Steni Dwiyanti Koswara; Erwin Riyanto Ardli; Edy Yani
Scripta Biologica Vol 4, No 2 (2017)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Over-exploitation and land-use conversion into aquaculture ponds have damaged the mangrove ecosystem. The extreme environment condition resulting in sedimentation led to the reduction of lagoon area and eventually of mangrove vegetation community. It was, therefore, necessary to conduct sustainable mangrove management through the monitoring system. Changes in the mangrove community were monitored periodically by evaluating width changes and land cover distribution. This study aimed to monitor the structure of mangrove community and changes occurring for the period of 2009 and 2015 by applying the purposive sampling method. The samples were mangrove vegetation community at several different locations. The samples were taken from nine stations with three replicates. There were 14 species of mangrove from six families. Mangrove trees were mostly found in the western area, while mangrove sapling and seedling mostly found in the east. Most of the stations showed a moderate level of diversity index and good productivity except station four. Mangrove forest in Segara Anakan had significant changes from 2009 up to 2015 due to the reduction of mangrove diversity.

STUDI MORFOMETRI DAN TINGKAT HERBIVORI DAUN MANGROVE DI SEGARA ANAKAN CILACAP Erma Septyaningsih; Erwin Riyanto Ardli; Ani Widyastuti
Scripta Biologica Vol 1, No 2 (2014)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Mangrove communities are part of the natural coastal ecosystems that have a vital role, such as the greatest source of organic material for the surrounding aquatic environment. A variety of ecological phenomenon often happens recently, either directly or indirectly affects the change of mangrove vegetations. Leaf is one of the plant organs that change shape according to the condition of the mangroves and the aquatic environment where the plant lives. The common changes of the leaves are the symmetry (morphometry), the size, and the shape. Mangrove leaves are also subjected to herbivory (predation), that will result in reduced leaf area of the photosynthesis and lowered the production of organic matter to the surrounding waters. This research aimed to determine the morphometric variation and herbivory rates of mangrove leaves at Segara Anakan Cilacap. Mangrove samples were Aegiceras corniculatum, Avicennia marina, Ceriops tagal, Rhizophora apiculata, and Sonneratia caseolaris. The study used survey method with stratified random sampling technique. The results showed morphometric variations of the five species were three variations, while the average herbivory rate from highest to lowest were: Avicennia marina (7.46%), Sonneratia caseolaris (6.91%), Rhizophora apiculata (4.08%), Aegiceras corniculatum (3.42%) and Ceriops tagal (3.00%). The difference of age and species of leves affected the herbivory level.

THE DIVERSITY OF STONY CORAL AND THE TENDENCY TO BLEACH BASED ON LIFEFORM IN THE TENGAH PATCH-REEF OF KARIMUNJAWA ISLANDS Aradea Bujana Kusuma; Erwin Riyanto Ardli; Romanus Edy Prabowo
Scripta Biologica Vol 5, No 1 (2018)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Coral reefs, the habitat of tens of thousands of marine species, are an ecosystem with the highest biodiversity. Several threats, however, have impaired coral reefs. One having a potentially catastrophic effect is the increasing temperature of the ocean that leads to a coral bleaching event. This study aimed to determine the diversity of stony coral based on their lifeform, to assess the condition of reefs by measuring percent cover of live coral, and to determine the bleaching occurrence based on the stony coral lifeform in the Tengah patch-reef of Karimunjawa National (Marine) Park. The research was a visual survey with line intercept transects (LIT) used to collect data. The data were presented as percent cover of living coral and their lifeforms. The result showed the diversity of coral in the Tengah patch-reef was very high as indicated by the presence of all coral lifeforms in the study site. The most diverse lifeform was found at 10 m depth with 13 lifeforms, while the lowest lifeform was found at 3 m depth with ten lifeforms. The most extensive live coral cover was found at 3 m depth estimated around 73.71%, and the the lowest coverage was found at 10 m depth, no more than 50.42%. The bleaching event was found in Acropora branching and Acropora digitate at the 3 m depth

Co-Authors Agatha Sih Piranti Agus Nuryanto Amalia Priska Anang Dwi Purwanto Ani Widyastuti Ani Widyastuti Anita Dwi Indaryani Aradea Bujana Kusuma Dwi Nugroho Wibowo Dyah Dwi Listyaningsih Edy Yani Edy Yani Edy Yani Elly Proklamasiningsih Eming SUDIANA Endang Hilmi Erma Septyaningsih Fredinan Yulianda Hasby Ghoni Asiddiqi Herna Maghfira Raudhatul Jannah Isdy Sulistiyo Listyaningsih, Dyah Dwi Mia Azizah Muslihudin Muslihudin Nazario Gomes Nur Laila Rahayu Priska, Amalia Rizka Isnaeni Romanus Edy Prabowo Slamet Risyanto Slamet Rosyadi Steni Dwiyanti Koswara Suprastini Suprastini Syamsul Hidayat W. Lestari Yasmin Shafira Nur Azizah

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