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    Wyświetlanie 1-12 z 12
    Tytuł:
    Length Weight Relationship and Condition Factor of Indo-Pacific King Mackerel (Scomberomorus guttatus) in Pangandaran Water, West Java, Indonesia
    Autorzy:
    Tarigan, Amsal Loudikia
    Hamdani, Herman
    Yustiati, Ayi
    Dewanti, Lantun P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076725.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Indo-Pacific
    Pangandaran water
    Scomberomorus guttatus
    condition factor
    length-weight relationship
    Opis:
    Scomberomorus guttatus is an economical valuable fish in Pangandaran, West Java, Indonesia. Indeed, the catch of large pelagic fish in Pangandaran water is dominated by Scomberomorus guttatus at around 42.30% of the total production of large pelagic fish in 2015-2017. The purpose of this research is to analyze length-weight relationship and condition factors of Scomberomorus guttatus. The samples were collected in August and September 2018 at Cikidang Fishing Port, Pangandaran Regency, West Java. The Scomberomorus guttatus observed during the research had total length ranging from 205 to 685 mmTL, and the length-weight relationship of Scomberomorus guttatus in Pangandaran water was indicated by the equation W=〖0,0000038L〗^3.0839. Furthermore, the growth pattern of Scomberomorus guttatus is positive allometric (b = 3.0839), meaning that weight growth is faster than length growth, while its condition factor range from 0.52 to 1.54 (average - 1.00 ±0.08).
    Źródło:
    World News of Natural Sciences; 2019, 24; 199-208
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aspects of the life history of the Atlantic poacher, Leptagonus decagonus, in Svalbard waters
    Autorzy:
    Heggland, Kristin
    Meyer Ottesen, Camilla A.
    Berge, Jørgen
    Powiązania:
    https://bibliotekanauki.pl/articles/2049756.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Agonidae
    Atlantic poacher
    size and age distribution
    length−weight relationship
    diet
    Źródło:
    Polish Polar Research; 2015, 1; 79-87
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Length-Weight Relationship and Catch Size of Bigeye Tuna (Thunnus obesus) Landed in Benoa, Bali, Indonesia
    Autorzy:
    Ahmad, Fadhilah
    Dewanti, Lantun Paradhita
    Arnenda, Gussasta Levi
    Rizal, Achmad
    Powiązania:
    https://bibliotekanauki.pl/articles/1076794.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Benoa Fishing Port
    Bigeye tuna
    Thunnus obesus
    catch size
    isometric
    length-weight
    main catch
    Opis:
    The research was conducted at the Tuna Fisheries Research Station, Denpasar, Bali, in July 2018 (3 weeks duration). There were several types of high-value fish incorporated into this research: tuna, skipjack, shrimp, cob, mackerel, snapper, squid, reef fish (grouper, baronang, lobster / barong shrimp) and ornamental fish. Seaweed processing was also assessed. Benoa Fishing Port is one of the tuna landing base bases in Indonesia. It is the main port in Bali Province and ranks beside Muara Baru (Jakarta), Pelabuhan Ratu (West Java) and Cilacap (Central Java). This research aim to identified length-weight relationship, and proportion of proper catch size of bigeye tuna. Herein, bigeye tuna (Thunnus obesus) was identified visually and then assessed. The first identifier is the large size of the eye. The growth pattern of big eye tuna (Thunnus obesus) landed in Benoa Fishing Portis is isometric, where the length increase is equal to weight gain (isometric positive). The length distribution of big eye tuna was in range of 81-170 cm FL (334 fishes are obtained), and the distribution of weights varied in size from 11-95 kg, with the most common catch size being in the range of 16-20 kg (95 fishes). Of note, 60% of the fish had not reached the proper catch size.
    Źródło:
    World News of Natural Sciences; 2019, 23; 34-42
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biometry and reproductive biology of Pseudonereis anomala Gravier 1901 (Polychaeta: Nereididae) on the Alexandria coast, Egypt
    Autorzy:
    Hamdy, R.
    Dorgham, M.M.
    El-Rashidy, H.H.
    Atta, M.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/47899.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    biometry
    fecundity
    reproductive biology
    Pseudonereis anomala
    Polychaeta
    length-weight relationship
    Alexandria coast
    Egypt
    environment condition
    Źródło:
    Oceanologia; 2014, 56, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Length-Weight Relationship and Condition Factor of Mudskipper Boleophthalmus pectinirostris from Maro Estuary, Merauke Regency, Papua
    Autorzy:
    Sunarni, -
    Melmambessy, Edy H. P.
    Mote, Norce
    Rahmatia, -
    Hamuna, Baigo
    Powiązania:
    https://bibliotekanauki.pl/articles/952446.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Boleophthalmus pectinirostris
    length weight relationship
    condition factor
    positive allometric
    negative allometric
    Maro estuary
    Merauke
    Papua
    Opis:
    This study aimed at analyzing the length-weight relationship and the condition factors of Boleophthalmus pectinirostris originating from the Maro estuary, Merauke Regency, Papua Province, Indonesia. This study was conducted for three months, starting from July to September 2018. This study used a purposive sampling method. The sampling of B. pectinirostris was carried out at two stations by using traps and capturing manually. 80 fish of B. pectinirostris were caught during the study. The length size of males 6.5 to 17.5 cm and weight 1.7 to 44.0 g, while the length of females 9.0 to 22.0 cm and weight 5.4 to 91.4 g. The results showed that the length-weight relationship of B. pectinirostris male reached W=0.0112L2.8562 and W = 0.0099L2.8885, while females W = 0.0062L3.0907 and W = 0.0052L3.1211. The length and weight relationship of B. pectinirostris showed negative allometric for male (b<3) and positive allometric for female (b>3). The condition factor value of B. pectinirostris for males and females ranged from 0.837 to 2.266, and 0.689 to 1.259, respectively.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 8; 199-204
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determining effective length for 40 HM-T steel by use of non-local line method concept
    Autorzy:
    Robak, G.
    Krzyżak, D.
    Cichański, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/259515.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    weight function
    effective length
    Opis:
    In the paper, the concept of non-local line method is presented and used for determining the effective length for notched elements. Experimental tests and calculations were performed for 40 HM-T (42CrMo4+QT) steel made specimens of two types, i.e. smooth specimens, and notched specimens with notch radius equal to 0.2 mm, 0.5 mm, 0.8 mm, and 1 mm. The performed FEM calculations took into account the multi-linear hardening model and cyclic material properties. The concept of the presented non-local line method bases on finding the position of critical plane and determining the effective length, meant as the fracture process zone. During numerical stress gradient simulations, also the weight function was implemented. It was observed that the effective length increases as the load increases.
    Źródło:
    Polish Maritime Research; 2018, 1; 128-136
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pre-pregnancy weight as a dominant factor of Infant birth length
    Autorzy:
    Fauzia, Shifa
    Banjar, Virda Septiany
    Powiązania:
    https://bibliotekanauki.pl/articles/1078303.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Birth length
    gestational weight gain
    maternal nutritional status
    pre-pregnancy weight
    stunting
    Opis:
    Birth length is one of a factor of stunting in toddler. Maternal nutritional status have an association with growth and development of fetus which is represented by birth size. The objective of this research is to find the association of maternal anthropometry; as a representation of maternal nutritional status before and during pregnancy; with birth length in Kabupaten Garut, West Java, Indonesia. This descriptive analytic research was done by cross sectional design, using independent t-test and multiple linear regression as statistical analysis. Results showed that mean birth length is 48.72 ±1.39 cm. There is significant association between maternal pre-pregnancy weight and infant sex with birth length (p<0.05). Pre-pregnancy weight is a dominant factor of birth length (p<0.001). This result showed that maternal pre-pregnancy nutritional status is very important for fetal growth. Nutrition and health programs and education is needed, not only during pregnancy, but also before pregnancy; with teenager and women in reproductive age as main a target.
    Źródło:
    World News of Natural Sciences; 2019, 22; 159-167
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphometric Relations of Gastropod Species: Nerita albicilla and Patella nigra
    Autorzy:
    Echem, Roldan T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1119063.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Mollusca
    gastropods
    morphometric relationship
    shell length
    tissue weight
    univalve
    Opis:
    This study aims to compare the morphometric characteristics of Nerita albicilla and Patella nigra and to determine the allometric relationships between the shell weight, shell length, fresh weight, dry weight, tissue weight and shell weight. A total of 200 of Nerita albicilla and Patella nigra were collected along the coasts of Zamboanga City Bay, Western Mindanao, Philippines. Nerita albicilla has the highest mean ± SD in width (1.59 ± 0.19 mm), fresh weight (2.59 ± 0.15 g), tissue weight (1.26 ± 0.83 g), dry weight (2.38 ± 0.55 g) and shell weight (2.19 ± 0.11 g). The fresh weight of Nerita albicilla was strongly related with the shell length. The shell width of Patella nigra was slightly correlated with shell weight. There was slight correlation between the shell width and shell weight and these can be attributed to the developmental, environmental and abiotic factors that highly contribute to the morphology of the gastropods. The calcium carbonate content suspended in the environment has major effect in the shell composition and is directly related with the shell weight. Nutrition is also a major contributory factor in the weight of the shells.
    Źródło:
    World News of Natural Sciences; 2017, 7; 30-36
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of metric shell characters in Anodonta sp. from heated Konin Lakes (C Poland)
    Autorzy:
    Soroka, M.
    Piotrowski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/83350.pdf
    Data publikacji:
    1999
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Tematy:
    analysis
    shell
    length
    weight
    height
    Anodonta
    clam
    shell parameter
    heated lake
    Konin town
    Lake Lichenskie
    Polska
    Źródło:
    Folia Malacologica; 1999, 07, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of mercury in muscles, liver and gills of marine and freshwater fish
    Autorzy:
    Luczynska, J.
    Luczynski, M.J.
    Paszczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189779.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    fish
    total mercury
    mercury
    muscle
    liver
    gill
    marine fish
    freshwater fish
    body weight
    total length
    biotic factor
    condition factor
    Opis:
    In this study, the total mercury concentration was determined in the muscles, liver and gills of six fish species (rainbow trout Oncorhynchus mykiss Walb., carp Cyprinus carpio L., bream Abramis brama L., perch Perca fluviatilis L., ide Leuciscus idus L. and flounder Platichthys flesus L.). The fish were acquired from October to November 2012. Mercury was analyzed by atomic absorption spectrometry using thermal decomposition, compounds of mercury and amalgamation. The mercury content in fish organs reached 0.006-0.168 (in mg kgˉ¹ wet weight) in muscles, 0.001-0.027 in gills and 0.003-0.045 in the liver. The muscles of perch and ide had significantly more Hg compared to the other fish’s muscles (P≤0.05). The liver and gills of perch, ide and flounder contained more Hg than the same tissues of the other fish (P≤0.05). Generally, the highest Hg content was determined in muscles (except rainbow trout) (P≤0.05), whereas the lowest Hg content was found in gills (except perch) (P≤0.05). The content of Hg in gills of perch did not differ from the one in the liver (P>0.05). There was a positive correlation between the weight or length of a fish and the Hg concentration in its tissues, except for the length and Hg in the gills of carp. However, a statistically significant positive correlation between the body weight and the Hg levels in fish appeared only in the case of the organs of ide (P≤0.004) and muscles of carp (P≤0.038). The correlation between the factor condition and the content of Hg, albeit positive (0.106 < r < 0.811) except for the organs of flounder, was not statistically significant (P>0.05).
    Źródło:
    Journal of Elementology; 2016, 21, 1; 113-129
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of mercury in muscles, liver and gills of marine and freshwater fish
    Autorzy:
    Luczynska, J.
    Luczynski, M.J.
    Paszczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/13699.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    fish
    total mercury
    mercury
    muscle
    liver
    gill
    marine fish
    freshwater fish
    body weight
    total length
    biotic factor
    condition factor
    Opis:
    In this study, the total mercury concentration was determined in the muscles, liver and gills of six fish species (rainbow trout Oncorhynchus mykiss Walb., carp Cyprinus carpio L., bream Abramis brama L., perch Perca fluviatilis L., ide Leuciscus idus L. and flounder Platichthys flesus L.). The fish were acquired from October to November 2012. Mercury was analyzed by atomic absorption spectrometry using thermal decomposition, compounds of mercury and amalgamation. The mercury content in fish organs reached 0.006-0.168 (in mg kgˉ¹ wet weight) in muscles, 0.001-0.027 in gills and 0.003-0.045 in the liver. The muscles of perch and ide had significantly more Hg compared to the other fish’s muscles (P≤0.05). The liver and gills of perch, ide and flounder contained more Hg than the same tissues of the other fish (P≤0.05). Generally, the highest Hg content was determined in muscles (except rainbow trout) (P≤0.05), whereas the lowest Hg content was found in gills (except perch) (P≤0.05). The content of Hg in gills of perch did not differ from the one in the liver (P>0.05). There was a positive correlation between the weight or length of a fish and the Hg concentration in its tissues, except for the length and Hg in the gills of carp. However, a statistically significant positive correlation between the body weight and the Hg levels in fish appeared only in the case of the organs of ide (P≤0.004) and muscles of carp (P≤0.038). The correlation between the factor condition and the content of Hg, albeit positive (0.106 < r < 0.811) except for the organs of flounder, was not statistically significant (P>0.05).
    Źródło:
    Journal of Elementology; 2016, 21, 1
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The characteristics of the newborn babies in Krosno (the podkarpackie voivodeship) born in 2011-2012
    Charakterystyka urodzeniowa noworodków krośnieńskich (województwo podkarpackie) urodzonych w latach 2011-2012
    Autorzy:
    Wandycz, Artur
    Biczysko, Grażyna
    Powiązania:
    https://bibliotekanauki.pl/articles/423753.pdf
    Data publikacji:
    2018
    Wydawca:
    Lubuskie Towarzystwo Naukowe
    Tematy:
    noworodki
    urodzeniowa długość ciała
    urodzeniowa masa ciała
    wiek płodowy
    wiek matki
    newborns
    birth weight
    birth body length
    gestational age
    maternal age
    Opis:
    This article aims to show how the weight and length of newborn babies depend on gestational age and mother's age. The study focused on the babies born in 2011-2012 in a hospital in Krosno (the Podkarpackie Voivodeship). Only live born children, born between the 38th and 42nd weeks of pregnancy, and with birth weight over 2500 g were taken into account. The results obtained allow stating that boys are on average heavier and longer than girls. The duration of pregnancy between the 38th and 42nd weeks is associated with an increase of birth weight and length of the body in the subsequent weeks of gestational age. In the case of boys, birth body weight and body length increase with mother's age.
    Celem niniejszej pracy jest przedstawienie charakterystyk liczbowych urodzeniowej masy i długości ciała dzieci urodzonych w latach 2011-2012 w szpitalu w Krośnie (województwo podkarpackie) oraz ocena wpływu wieku płodowego (między 38. a 42. tygodniem) i wieku matki na wielkość badanych cech urodzeniowych. W pracy przedstawiono dane dotyczące noworodków (żywych, z ciąż pojedynczych) urodzonych między 38. i 42. tygodniem ciąży i masie ciała przekraczającej 2500 g. Otrzymane wyniki pozwalają na stwierdzenie, że noworodki płci męskiej są przeciętnie cięższe i dłuższe od noworodków płci żeńskiej. Czas trwania ciąży między 38. a 42. tygodniem wiąże się ze zwiększaniem masy i długości ciała noworodków w kolejnych tygodniach wieku płodowego. Masa i długość ciała noworodków męskich zwiększa się wraz ze zwiększaniem wieku matki.
    Źródło:
    Rocznik Lubuski; 2018, 44, 2a; 117-125
    0485-3083
    Pojawia się w:
    Rocznik Lubuski
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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