Results 91 to 100 of about 23,920 (215)

Determination of the biometrical parameters, biochemical composition and essential trace metals of edible sea urchin (Stomopneustes variolaris) in Sri Lanka

open access: yesCogent Food & Agriculture, 2016
Sea urchin samples (Stomopneustes variolaris) were collected from the selected (three sampling locations) western and southern coastal area around the Sri Lanka (n = 193) from the time period of May to October, 2014.
B.K.K.K. Jinadasa   +3 more
doaj   +1 more source

Estimation of growth parameters for the exploited sea cucumber Holothuria arguinensis from South Portugal [PDF]

open access: yes, 2018
Understanding how species grow is critical for choosing appropriate fisheries management strategies. Sea cucumbers shrink during periods of aestivation and have naturally flaccid bodies that make measuring growth difficult.
Erzini, Karim   +2 more
core   +1 more source

Nuevo Macrocystellidae (Echinodermata, Cystoidea Rhombifera) para el Ordovícico español

open access: yesEstudios Geologicos, 1996
Se describe un ejemplar de Macrocystella Callaway, 1877, procedente del Caradoc de El Viso del Marqués, provincia de Ciudad Real. El género Macrocystella es el único descrito para la familia Macrocystellidae y se trata de un taxón de especial interés al ...
M. D. Gil Cid   +3 more
doaj   +1 more source

Complete mitochondrial genome analysis of Aquilonastra batheri (Echinodermata, Asteroidea, Valvatida)

open access: yesMitochondrial DNA. Part B. Resources, 2018
In this study, we determined the complete mitochondrial genome sequences of Aquilonastra batheri. This is the first study on mitochondrial genome sequencing of the genus Aquilonastra belonging to the family Asterinidae, order Valvatida, and class ...
Taekjun Lee, Sook Shin
doaj   +1 more source

A quantitative ecological study of selected nearshore marine plants and animals at the Diablo Canyon power plant site: a pre-operational baseline, 1973-1978 [PDF]

open access: yes, 1984
Biologists of the California Department of Fish and Game, under contract with the Pacific Gas and Electric Company, conducted surveys or intertidal and subtidal plants and animals 1n the vicinity of the Diablo Canyon Nuclear Power Plant for the summer ...
Gotshall, Daniel W.   +4 more
core  

Complete mitochondrial genome sequences of a deep-sea holothurian species of the genus Scotoplanes (Elasipodida: Elpidiidae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Two complete and one near-complete mitochondrial genomes (mitogenomes) were determined for a deep-sea holothurian species of the genus Scotoplanes (Elpidiidae).
Tsuyoshi Takano   +4 more
doaj   +1 more source

How to generate pentagonal symmetry using Turing systems [PDF]

open access: yes, 2002
We explore numerically the formation of Turing patterns in a confined circular domain with small aspect ratio. Our results show that stable fivefold patterns are formed over a well defined range of disk sizes, offering a possible mechanism for inducing ...
Aragón, J. L.   +4 more
core   +2 more sources

Echinodermata [PDF]

open access: yesAnnals and Magazine of Natural History, 1889
n ...
openaire   +2 more sources

An Early Cretaceous astropectinid (Echinodermata, Asteroidea) from Patagonia (Argentina): a new species and the oldest record of the family for the Southern Hemisphere [PDF]

open access: yes, 2014
Los asterozoos son echinodermos de vida libre, con forma de estrella, y componentes importantes de las faunas marinas bentónicas a nivel mundial. Su registro fósil, sin embargo, es pobre y fragmentario, probablemente debido a la desarticulación de los ...
Carrizo, Martin Alejandro   +3 more
core   +1 more source

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