Study of Metal Contaminant Level in the Mahakam Delta: Sediment and Dissolved Metal Perspectives

the mahakam delta in east kalimantan contains large number of natural resources specially hydrocarbon sources. anthropogenic activities have influenced this ecosystem for many years. the aims of this ...

New Empirical Formulae of Undertow Velocity on Mixed and Gravel Beaches

this paper reports a series of 3-dimensional physical model tests to measure cross-shore current data, generated by oblique wave attack, along gravel and mixed beaches with a uniform slope and a trenc...

The Effect of Different C:n and C:p Ratio of Media on the Content of Polyhydroxybutyrate in Biofloc Inoculated with Bacterium Bacillus Cereus

biofloc technology has added values in aquaculture management, both in water quality management and feeding management. as an optional feed, biofloc is capable to enhance growth due to high prote...

Mitigation Measures for Gaza Coastal Erosion

coastal erosion is an ongoing hazard affecting gaza beach, but is worsening due to a wide range of human activities such as the construction of gaza fishing harbor in 1994-1998. the net annual alongsh...

Decentralization in the Egyptian Coastal Management

human impacts, coupled with global climate change are placing increased pressures on coastal environments. during the last three decades, in response to the growing problems of coastal zones, many cou...

New Modified Equation of Longshore Current Velocity at the Breaking Point (for Mixed and Gravel Beaches)

wave breaking is the dominant process in the dynamics of nearshore water movements resulting in sediment transport. the transformation of the subsequent particle motion from irrotational to rotational...

The Growth Analysis of Stichopus Vastus (Echinodermata: Stichopodidae) in Karimunjawa Waters

stichopus vastus is one of sea cucumber resources utilize which has commercial economic value, locally known as “gametes”. because this species is continuously exploited, while the nature of life has..

Saxitoxin in Green Mussels (Perna Viridis, Mytiliae), Blood Cockle (Anadara Granosa) and Feathers Cockle (Anadara Antiquata, Arcidae) Using High Pressure Liquid Chromatography

saxitoxin (stx) was measured in green mussels (perna viridis), and feathers cockle (anadara antiquata, arcidae) from jakarta and blood cockle (anadara granosa) from jakarta and indramayu. samples wer...

Osmotic Responses of Segara Anakan Fine Shrimp (Metapenaeus Elegans) Adults in Various Salinity and Molting Stages

a research on eco-physiological characteristics of fine shrimp (metapenaeus elegans) with special emphasis on the osmotic responses and isosmotic medium requirement for adult spawners in various molti...

Root Problem and Conflict Resolution of Fisheries in Sea Waters of South Kalimantan

conflict of fisheries (capture fisheries cases of purse seine) in the sea waters of kotabaru south kalimantan, require serious attention. the government has made ​​some efforts to overcome it but no...

An Optimum Model of Fish Auction in Indonesian Fishing Ports in Accordance with the Characteristics of Fisherman

fishing port as the economic center of fisheries is an important component in fishing catch system that needs to be organized and managed, especially for fish marketing activities. indonesian fis...

Diatom Stratigraphy of Mangrove Ecosystems on the Northern Coast of Central Java

the natural mangrove ecosystems along the northern coast of central java were very limited in extent, even had replanted almost twenty years ago. naturally, the upper layer of sediment are the latest ...

Distribution and Sources of Persistent Organochlorine Pesticides in Seawater and Sediments in Transitional Season From Banten Bay

studies on distribution of organochlorine pesticides in water column and sediments from banten bay were conducted during transitional season on april and october, 2001. the objectives of the study wer...

The Improvement of Buildings and Infrastructure Condition to Anticipate Degradation Process of Fish-smoking Centre in Bandarharjo, Semarang

the fish-smoking area in bandarharjo is one of the significant industrial centers that processes fish as coastal resources. its existence is crucial to support the characteristic of semarang as a coas...

Bottom Wall Construction of “Jodang” Trap Applied Selectively to Babylon Tiger (Babylonia Spirata) Snail Size

the objective of this research was to obtain net mesh bottom wall construction of “jodang” trap that selective to babylon tiger snails size, i.e. only shell length of l prospect of sea cucumber culture

Prospect of Sea Cucumber Culture in Indonesia as Potential Food Sources

sea cucumber is one of the sea treasures which has been used not only as luxury food for certain countries but also as medicines. sea cucumber has become one of the most important products and it has ...

Alternative Practice From Coastal Pond to Recirculation Aquaculture System

coastal pond aquaculture used solar energy to produce oxygen via phytoplankton with their cultivation can be extensive such as the culture of low value cultured animals. pond encompasses a larger cult...

Exploration of Skipjack Fishing Ground Through Sea Surface Temperature and Catches Composition Analyzes in Palabuhanratu Bay Waters

fishing ground condition is usually affected by oceanographic parameters. one of the oceanographic parameter that had been used in forecasting the availability of pelagic species such as skipjack is s...

Phenol Content, Antioxidant Activity and Fibers Profile of Four Tropical Seagrasses From Indonesia

extracts of methanol, ethyl acetate, and n-hexane of four species of indonesian seagrasses were used to determine the total phenol contents and their antioxidant activities. total phenol contents of ...

The Effectiveness of Acanthus Ilicifolius in Protecting Tiger Prawn (Penaeus Monodon F.) From Vibrio Harveyi Infection

sea holly (achantus ilicifolius) is a mangrove plant that often used by coastal society as a traditional medicine. it is potential to be developed as the sources of pharmaceutical products. this stud...