Results 101 to 110 of about 27,673 (220)

The complete mitochondrial genome of an interstitial polychaete, Pharyngocirrus uchidai (Annelida, Saccocirridae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Pharyngocirrus Di Domenico, Martínez, Lana & Worsaae, 2014 belongs to the family Saccocirridae Bobretzky, 1872 and comprises 12 species. Of these, Pharynogocirrus uchidai is known as distributed in only East Asia (Korea and Japan). This study reports the
Jiseon Park, Taeseo Park, Jongwoo Jung
doaj   +1 more source

Intertidal macrozoobenthos in sandy beaches of Bahía Nueva (Patagonia, Argentina) and their use as bioindicators of environmental impact

open access: yesScientia Marina, 2010
Macrozoobenthos were collected from urban sandy beaches of Puerto Madryn and adjacent areas in November 2005. Multivariate analysis techniques (ANOVA, nMDS, ANOSIM, SIMPER and RDA) were used to characterize the area based on the relationships among ...
Agustina Ferrando   +3 more
doaj   +1 more source

Benthic community productivity in the Magellan region and in the Weddell Sea [PDF]

open access: yes, 1999
Our comparison of macrobenthic biomass, production and productivity of the Magellan region (14 - 349 m water depth) and the Weddell Sea (132 - 548 m water depth) is based on multi box corer samples collected in both areas.
Brey, Thomas, Gerdes, Dieter
core   +3 more sources

Sperm ultra-structure and spermiogenesis in Syllis krohni (Polychaeta: Syllidae), with some observations on its reproductive biology

open access: yesScientia Marina, 2006
yllidae show a wide spectrum of both reproductive strategies and sperm types. Analysis of their reproductive patterns could drastically change the presently accepted taxonomic hierarchy of the group.
Elena Lepore   +5 more
doaj   +1 more source

Deep-sea Ampharetidae (Polychaeta) from Capbreton Canyon (north-east Atlantic) with the description of a new species [PDF]

open access: yes, 2014
During the Capbreton cruises (1987-1990), samples of bathyal benthic macrofauna were taken at 37 stations situated along the continental slope (480-1113 m depth) of the Capbreton Canyon (Bay of Biscay, north-east Atlantic).
Aguirrezabalaga, Florencio   +1 more
core   +2 more sources

Experimental evidence of polymorphysm of sexual development in Capitella sp. B (Polychaeta: Capitellidae) from Barcelona, Spain

open access: yesScientia Marina, 2002
The development and growth of Capitella sp. B obtained from Barcelona were studied under culture conditions. Trochophore and metatrochophore larvae hatched non-simultaneously (two release periods) from single brood tubes.
Nuria Méndez
doaj   +1 more source

Changes of benthic macroinvertebrates in Thi Vai River and Cai Mep Estuaries under polluted conditions with industrial wastewater [PDF]

open access: yes, 2017
The pollution on the Thi Vai River has been spreading out rapidly over the two lasted decades caused by the wastewater from the industrial parks in the left bank of Thi Vai River and Cai Mep Estuaries.
Duc, Pham Anh   +2 more
core  

Struktur Komunitas Polychaeta Kawasan Mangrove Muara Sungai Kali Lamong-Pulau Galang, Gresik [PDF]

open access: yes, 2013
Penelitian bertujuan untuk mengetahui struktur komunitas Polychaeta pada kedalaman 0-5 cm, 5-10 cm, dan 10-15 cm pada 4 stasiun dengan dominasi mangrove Avicennia alba (M1), Bruguiera gymnorrhiza (M2), Rhizophora mucronata (M3), dan Sonneratia alba (M4 ...
Aunurohim, A. (Aunurohim)   +1 more
core  

Magnitude and Extent of Contaminated Sediment and Toxicity in Chesapeake Bay [PDF]

open access: yes, 2007
INTRODUCTION: This report summarizes the results of NOAA's sediment toxicity, chemistry, and benthic community studies in the Chesapeake Bay estuary. As part of the National Status and Trends (NS&T) Program, NOAA has conducted studies to determine the
Hameedi, Jawed, Hartwell, S. Ian
core  

Struktur Komunitas Makrobentos Polychaeta Di Ekosistem Mangrove Desa Bedono Kecamatan Sayung Kabupaten Demak [PDF]

open access: yes, 2012
Mangrove forest is a tropical coastal communities is dominated by several species of trees or characteristic shrubs that has the ability to grow in salty waters.
Djunaedi, A. (Ali)   +2 more
core  

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