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Wyszukujesz frazę "Apriliani, Izza M." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    The effect of phosphate addition with different concentration on the capability of Nannochloropsis oculata as a bioremediation agent of medium heavy metal (Cd2+)
    Autorzy:
    Rizal, Achmad
    Permana, Rega
    Apriliani, Izza M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030960.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Bioremediation
    Cadmium
    Nannochloropsis oculata
    Phosphate (KH2PO4)
    Opis:
    Nannochloropsis oculata is a unicellular marine microalgae that has a role as an important food source and additive for marine organisms. Nannochloropsis oculata contains high levels of carbohydrate, protein, and chlorophyll so it has the potential as a bioremediation agent. In its growth, it needs an important component of nutrients as a growth medium, one of which is a source of phosphate. Phosphate itself acts as a constituent of protein compounds to bind metal ions in cells. This research aims to determine the effect of the addition of KH2PO4 as a phosphate source on the growth of Nannochloropsis oculata as a bioremediation agent to reduce levels of heavy metal pollution (Cd2+). This research was conducted from June to August 2019 in the Laboratory of Microbiology and Molecular Biotechnology of FIP-UNIDA, Bogor, West Java. Nannochloropsis oculata microalgae were obtained from UGO Plankton Shop, Purwodadi, Central Java. The research method used is a Completely Randomized Design (CRD) with 4 treatments and two replications. The Cd2+ concentration used is 2 ppm in this research. The addition of KH2PO4 as a phosphate source is 0 ppm (control), 3, 4, and 5 ppm. The results of this research showed that the highest growth peak of Nannochloropsis oculata was achieved at 4 ppm treatment on the 9th day with cell density reaching 17.8 × 106 cells/mL, while the highest absorption of cadmium (Cd2+) was found in the 4 ppm phosphate treatment with the absorption efficiency reaching 39.23%.
    Źródło:
    World Scientific News; 2020, 145; 286-297
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bumpy Road to Understanding Transaction Cost and Fisheries Co-Management
    Autorzy:
    Rizal, Achmad
    Dewanti, Lantun Paradhita
    Apriliani, Izza M.
    Herawati, Heti
    Powiązania:
    https://bibliotekanauki.pl/articles/1063039.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    co-management
    fisheries resources
    property rights
    transaction cost
    Opis:
    The traditional approach for managing the fisheries is the acquiring of property rights over the fishery through legislation by the state. The state than parcels out rights and establishes rules (regulations) of use for the fishers. The state regulates the resource. The conventional literature in resource economics provide some insights into how common property resources such as fisheries, can be managed in a sustainable manner. Common property regimes, such as collective resource management systems, develop when a group of individuals are highly dependent on a resource (s) and when the availability of the resource (s) is uncertain or limited. There is a need to empirically evaluate the nature of the transaction costs involved in fisheries co-management institutions as a basis for defending a move away from the more centralised form of fisheries management institutions. The discussion presented in this paper will serve as a basis for further operationalization of the categories of transaction costs and for empirical case study analysis.
    Źródło:
    World Scientific News; 2019, 124, 2; 252-263
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characteristics of Gillnet Fishing Gear and Vessel Construction in Fish Landing Base of Karangsong, Indramayu, Indonesia
    Autorzy:
    Apriliani, Izza M.
    Hasan, Zahidah
    Junianto, Junianto
    Kusnadi, Nadia Maudina
    Powiązania:
    https://bibliotekanauki.pl/articles/1076849.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    construction
    fishing ports
    fishing units
    gillnetter
    millenium net
    Opis:
    This research study was intended to provide information in order to model an ideal construction of Gillnet fishing practices in PPI Karangsong, in order to support the feasibility of optimum catch. Fish Landing Base (PPI) Karangsong is the most active fishing port in Indramayu. The dominant fishing activity in the Karangsong PPI is gillnet fishing at around 71.4% of the total fishing units. The type of gillnet utilized in Indramayu is commonly called the ‘gillnet millennium’ and it is constructed out of Poly Amide monofilament. The gillnet vessel itself has a hull shaped in the form of a hard chin bottom. Based on this research, it can be concluded that each region has specific fishing unit characteristics that vary in accordance with the conditions of the waters.
    Źródło:
    World News of Natural Sciences; 2019, 23; 75-83
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Catch Comparison and Rate of Floating Liftnet at Different Time of Hauling in Pangandaran, West Java, Indonesia
    Autorzy:
    Apriliani, Izza M.
    Dwipayana, M. Firhandy
    Sunarto, Sunarto
    Rostini, Iis
    Powiązania:
    https://bibliotekanauki.pl/articles/1078350.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Pangandaran
    West Java
    catch
    catch rate
    fish
    hauling time
    liftnet
    Opis:
    Pangandaran fishermen use various types of fishing gear to catch fish, one of which is a liftnet. Floating liftnet fishing in Pangandaran is usually carried out at night, especially during dark months so that fish and cructaceans can gather in the area, as such animals are attracted to light (positive phototactic properties). These animals are deemed pelagic as they live on the surface of the waters. The weight and number of catch by fishermen are different depending on the time of hauling. Based on this, it is necessary to conduct research on the effect of the time of hauling on the floating liftnet catch. Accordingly, the optimal hauling time for floating liftnet fishing in Pangandaran was after midnight into early morning (00.00-04.00) and the average total catch is 386.12 kg. The main catch is mostly jawla paste shrimp and squid shrimp with a catch rate of 92.9 kg / hour.
    Źródło:
    World News of Natural Sciences; 2019, 22; 168-173
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of marine sector optimization strategy in the stabilisation of Indonesian economy
    Autorzy:
    Rizal, Achmad
    Herawati, Heti
    Zidni, Irfan
    Apriliani, Izza M.
    Ismail, M. Rudiansyah
    Powiązania:
    https://bibliotekanauki.pl/articles/1177480.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    economic development
    economic disaster
    human resources
    marine sector
    Opis:
    Indonesian Economic crisis is not economic disaster, but as a market correction for Indonesian economic development strategy. This paper present that development of marine sector is one of development strategy as resources based development in Indonesia. Marine sector development will carry Indonesian out of crisis toward better economic development. Development of the marine sector which is basically the utilization of ecosystem diversity contained in each region, means that the development of marine is identical with economic development in each region. Production technology in the marine sector with wide variation (labor-intensive technology to knowledge-intensive technology) will be able to accommodate human resources with variations of education background. Marine based economic development strategy capable of reaching broad problem solving, capable of being implemented by Indonesia and able to lead the Indonesian nation to a better future economy.
    Źródło:
    World Scientific News; 2018, 102; 146-157
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of Macro Debris at Pangandaran Beach, Indonesia
    Autorzy:
    Purba, Noir P.
    Apriliani, Izza M.
    Dewanti, Lantun P.
    Herawati, Hetti
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1177434.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Beach litter
    Citumang river
    Pangandaran beach
    fishing gear
    marine pollution
    ocean currents
    plastics packaging
    Opis:
    This research was to assest of marine debris in Pangandaran beach. Marine debris sampled from 2016 and 2017 around west Pangandaran using Ocean Conservancy (OC) form to find information about distribution, abundance, and types. The result is debris on the West coast of Pangandaran is originally comes from settlements, tourists, traders, and fishermen. The highest accumulation of marine debris happened in October with total weight 44.385 kilos, while the lowest accumulation happened in May with total weight 38 kilos. this is due to Citumang River had overflowed due to heavy rain and then was swept away along the coastline and piled up an area near the bay in October. In May and August the debris which most find is cigarette with the percentage 28% in May and 35% in August. While in October the debris which most find is a plastic bag with percentage 33%. From six types of debris, the dominant debris per types as follows: Most likely to find items is cigarette butts, Fishing gear is rope, Packaging material is other plastic/foam packaging, Personal hygiene is diapers, Other trash is cigarettes lighters, and Tiny trash less than 2.5 cm is foam pieces. The specific debris at Pangandaran beach is the fisheries tools like a rope and net, the rope embedded in the ground and make it hard to take out. One of the factor the large number of debris in Pangandaran is tourism activity and fisheries activity. In addition, the study indicates that there is a strong relationship between human activities and spreading of debris.
    Źródło:
    World Scientific News; 2018, 103; 144-156
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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