Results 31 to 40 of about 25,407 (249)

Aproximación al estudio de la morfología setígera en algunas especies ibéricas de los géneros Glycera Savigny, 1818 y Glycerella Arwidsson, 1899 (Polychaeta, Glyceridae)

open access: yesGraellsia, 2010
A partir del estudio al Microscopio Electrónico de Barrido (MEB) de las sedas espinígeras de varias especies del género Glycera Savigny, 1818 (Glycera alba Rathke, 1843; Glycera fallax Quatrefages, 1850; Glycera tesselata Grube, 1863; Glycera aff ...
J. Parapar, J. Moreira
doaj   +1 more source

The complete mitochondrial genome of Boccardiella hamata (Annelida: Polychaeta: Spionida)

open access: yesMitochondrial DNA. Part B. Resources, 2021
In this study, the complete mitogenome sequence of Korean Boccardiella hamata was determined. This is the first complete mitogenome in the order Spionida. The complete mitogenome of B. hamata is 17,561 bp in length with 12 protein-coding genes (atp8 gene
Geon Hyeok Lee, Ha-Eun Lee, Gi-Sik Min
doaj   +1 more source

Distinct or similar? Soft bottom polychaete diversity in Arctic and Antarctic glacial fjords [PDF]

open access: yes, 2014
The main aim of this study was to compare the polychaete communities in two similar polar areas: an Arctic fjord, Hornsund (Svalbard) and an Antarctic fjord, Ezcurra Inlet (South Shetlands).
Gromisz, Sławomira   +2 more
core   +2 more sources

Introduction and Identification of Polychaeta Worms from the Family Nereididae in the Persian Gulf (Coastal Waters of Bushehr Province) and its Role in Aquaculture Development [PDF]

open access: yesمحیط زیست و توسعه فرابخشی
Introduction: Polychaeta worms from the family Nereididae are widely used as live food to expedite sexual maturation and produce high-quality reproductive gonads in shrimp.
Moslem Sharifinia
doaj   +1 more source

Historical Shifts in Benthic Infaunal Diversity in the Northern Gulf of Mexico since the Appearance of Seasonally Severe Hypoxia

open access: yesDiversity, 2020
Severe and persistent bottom-water hypoxia (≤2 mg O2 L−1) occurs on the Louisiana/Texas continental shelf from mid-May through mid-September over a large area (up to 23,000 km2 in mid-summer).
Nancy N. Rabalais, Melissa M. Baustian
doaj   +1 more source

Complete mitochondrial genome of the abalone shell-boring Polydora hoplura (Polychaeta, Spionidae)

open access: yesMitochondrial DNA. Part B. Resources, 2022
Polydora hoplura Claparede 1868 (Polychaeta, Spionidae) is a mollusk shell-boring species which has been reported as a harmful species. In the present study, we sequenced and reported the mitochondrial genome (mitogenome) of P. hoplura from Korea.
Soon Jeong Lee, Sang-Rae Lee
doaj   +1 more source

Insight into tube-building behaviour and palaeoecology of some agglutinating worms from the Upper Devonian of Nevada, USA [PDF]

open access: yes, 2015
Agglutinated worm tubes from the Upper Devonian of the Devils Gate section in Nevada, USA are reported for the first time, filling a major gap in their Palaeozoic fossil record.
Bond, David P. G., Zatoń, Michał
core   +1 more source

Redescription of Parophryotrocha isochaeta (Eliason, 1962) and a new species of Parophryotrocha (Polychaeta: Dorvilleidae) from the Skagerrak and North Sea

open access: yesScientia Marina, 2006
The original description of Parophryotrocha isochaeta (Eliason, 1962; as Ophryotrocha (?) isochaeta) was based on three specimens collected in the deepest part of the Skagerrak in 1933.
Eivind Oug
doaj   +1 more source

Polytraits : a database on biological traits of marine polychaetes [PDF]

open access: yes, 2014
The study of ecosystem functioning – the role which organisms play in an ecosystem – is becoming increasingly important in marine ecological research. The functional structure of a community can be represented by a set of functional traits assigned to ...
Arvanitidis, Christos   +12 more
core   +4 more sources

A new species of Pista (Annelida: Polychaeta: Terebellidae) from shallow waters of Shizugawa Bay, Sanriku Coast, Japan

open access: yesScientia Marina, 2006
A new species of the genus Pista (Annelida: Polychaeta: Terebellidae) was found on a boulder bottom in shallow waters of of Shizugawa Bay, Sanriku coast, northern Honshu, Japan.
Eijiroh Nishi, Katsuhiko Tanaka
doaj   +1 more source

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