Results 101 to 110 of about 7,444 (195)

Assessment of the toxicity of sediment and seawater polluted by the Prestige fuel spill using bioassays with clams (Venerupis pullastra, Tappes decussatus and Venerupis rhomboideus) and the microalga Skeletonema costatum

open access: yesCiencias Marinas, 2003
In this study we present the early monitoring of the pollution caused by the accident of the Prestige tanker off the Galician coast. To evaluate the toxicity of sediment and water exposed to fuel, three kinds of bioassays were carried out using juvenile
JC Mariño-Balsa   +5 more
doaj   +1 more source

The influence of nitrogen and phosphorus on the growth of a diatom Skeletonema costatum (Greville) Cleve [PDF]

open access: yes, 1998
Nitrogen and phosphorus requirements of a chain-forming diatom, Skeletonema costatum (Greville) Cleve, collected from Yatsushiro Sea, Japan, were investigated in a laboratory culture experiment.
Arakawa, O.   +3 more
core  

Species composition and distribution of microalgae in the Sukhodol River estuary (Ussury Bay, Peter the Great Bay) in autumn. 1. Phytoplankton

open access: yesИзвестия ТИНРО, 2014
Species composition and quantitative distribution of phytoplankton in the Sukhodol River estuary were studied in September of 2012. It total, 48 species of diatoms are registered, mostly belonged to microphytobenthos (63 %).
Nikolay V. Kolpakov, Andrey A. Begun
doaj   +1 more source

Distribusi Dan Kelimpahan Fitoplankton Yang Berpotensi Menyebabkan Habs (Harmful Algal Blooms) Di Muarasungai Banjir Kanal Timur, Semarang [PDF]

open access: yes, 2016
Activities in Banjir Kanal Timur river like industry activities and settlements was expected give contribution to supply nutrient in estuary and can cause blooming of phytoplankton and decrease estuary's water quality.
Hutabarat, S. (Sahala)   +2 more
core  

A quantitative analysis of the phytoplankton of the Gulf of Panama II. On the relationship between C14 assimilation and the diatom standing crop [PDF]

open access: yes, 1965
ENGLISH: The Inter-American Tropical Tuna Commission has maintained a hydro-biological station in the Gulf of Panama located at 8°45'N, 79°23'W in connection with their ecological investigation of the anchoveta (Cetengraulis mysticetus), a tuna baitfish (
Smayda, Theodore J.
core  

Influence of Dominant Phytoplankton Species on Disinfection By-Product Formation During Active-Substance Ballast Water Treatment: Skeletonema costatum vs. Akashiwo sanguinea

open access: yesJournal of Marine Science and Engineering
Active substance-based Ballast Water Management Systems (BWMS) can generate disinfection by-products (DBPs) by reacting with dissolved organic matter (DOM). However, current IMO G9-based assessments often overlook qualitative DOM variations.
Hyung-Gon Cha   +6 more
doaj   +1 more source

Produksjon og forsøk på kostnadseffektiv konsentrering av Skeletonema costatum

open access: yes, 2017
Dyrkningsprosessen av Skeletonema costatum ble gjennomført med Wells-Glancey metoden (ANON, 1965). Hovedmålene med oppgaven var først og fremst å forsøke å finne den mest praktiske og kostnadseffektive metoden innenfor de tids- og kostnadsrammene vi hadde, i tillegg til at vi bygget videre på erfaringen Bjørndal et al.
Baumann, Aksel   +3 more
openaire   +1 more source

A sequencing protocol of some DNA regions in nuclear, chloroplastic and mitochondrial genomes with an individual colony of Thalassiosira nordenskioeldii Cleve (Bacillariophyceae) [PDF]

open access: yes, 2005
From cultured cells of micro algal species of Thalassiosira nordenskioeldii Cleve, total DNA was extracted with a buffer containing a chelating agent, Chelex 100.
Iwatani,Naohiro   +2 more
core   +1 more source

Aplikasi Feeding Regimes Yang Berbeda Terhadap Tingkat Konsumsi Pakan Alami, Perkembangan Dan Kelulushidupan Larva Udang Windu (Penaeus Monodon) [PDF]

open access: yes, 2014
Penerapan feeding regime yang diterapkan pada panti pembenihan larva udang windu (P. monodon) di Indonesia pada umumnya menggunakan pakan Skeletonema sp., Artemia sp. dan pakan buatan.
Nofiyanti, V. R. (Vika)   +2 more
core  

Industrial production of diatoms skeletonema costatum and chaetoceros calcitrans

open access: yes, 2021
Os oceanos são um bioma com um enorme potencial devido aos diversos recursos que provêm dos mesmos, cuja relevância económica é evidenciada por as várias indústrias que dependem e lucram dos oceanos. Uma indústria que tem emergido com contínua e crescente inovação é a biotecnologia marinha. Através desta indústria foi possível expandir a aplicabilidade
openaire   +1 more source

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