Results 11 to 20 of about 148,812 (266)

Macrostylis metallicola spec. nov.—an isopod with geographically clustered genetic variability from a polymetallic-nodule area in the Clarion-Clipperton Fracture Zone [PDF]

open access: yesPeerJ, 2020
Background The Clarion-Clipperton Fracture Zone (CCFZ) in the Northeast Central Pacific Ocean is a region of heightened scientific and public interest because of its wealth in manganese nodules.
Torben Riehl, Bart De Smet
doaj   +2 more sources

Marine Anoxia and Ocean Acidification During the End‐Permian Extinction

open access: yesGeophysical Monograph Series, Page 325-340., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ying Cui   +4 more
wiley  

+1 more source

Guía ilustrada para identificar los eufausiáceos (Crustacea: Malacostraca) recolectados en Cuba

open access: yesNovitates Caribaea, 2022
Los crustáceos eufausiáceos constituyen un grupo de 86 especies, conocidas como krill, que en general presentan una distribución muy amplia en todos los océanos, desde las aguas superficiales hasta los grandes abismos marinos.
Manuel Ortiz
doaj   +1 more source

Spatial and Temporal Characteristics of Demersal Assemblages in Sığacık Bay, Central Aegean Sea, Turkey

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 2021
This study aimed to determine the spatial and temporal variation of species diversity and CPUE in trawl fisheries in the Central Aegean Sea (Sığacık Bay). The study also aimed to evaluate changes in some biometric parameters (mean and frequency of length)
Hakkı DERELİ
doaj   +1 more source

Linking eye design with host symbiont relationships in pontoniine shrimps (crustacea, decapoda, palaemonidae) [PDF]

open access: yes, 2014
Symbiosis is prevalent in the marine environment with many studies examining the effects of such interactions between host and symbiont. Pontoniine shrimps are a group whose ecology is characterised by symbiotic interactions.
De Grave, Sammy   +2 more
core   +9 more sources

Reconstructing discards profiles of unreported catches [PDF]

open access: yes, 2018
In Portugal it has been estimated that unreported catches represent one third of total catches. Herein, information on landings and total unreported catches (discards) by commercial métier were disaggregated into high taxonomic detail using published ...
Almeida   +53 more
core   +3 more sources

Taxonomic revision of the southwestern Atlantic Madracis and the description of Madracis fragilis n. sp. (Scleractinia: Pocilloporidae), a new coral species from Brazil

open access: yesScientia Marina, 2009
The genus Madracis has been known in Brazil from four deep water species, namely M. mirabilis, M. asperula, M. brueggemanni and M. pharensis, and one zooxanthellate species from shallow water environments, M. decactis.
Elizabeth Neves, Rodrigo Johnsson
doaj   +1 more source

Population biology of sympatric species of Caprella (Amphipoda: Caprellidae) in a tropical algal bed

open access: yesScientia Marina, 2021
The population biology of the three sympatric species of caprellids (Caprella danilevskii, C. equilibra and C. scaura) associated with a Sargassum bed was studied in the northern coast of São Paulo state, Brazil.
Daniela Rejane de Paula   +4 more
doaj   +1 more source

First descriptions of copepodid stages, sexual dimorphism and intraspecific variability of Mesocletodes Sars, 1909 (Copepoda, Harpacticoida, Argestidae), including the description of a new species with broad abyssal distribution [PDF]

open access: yes, 2011
Mesocletodes Sars, 1909a encompasses 37 species to date. Initial evidence on intraspecific variability and sexual dimorphism has been verified for 77 specimens of Mesocletodes elmari sp. n. from various deep-sea regions, and ontogenetic development has
Menzel, Lena
core   +3 more sources

An annotated checklist of freshwater copepoda (crustacea, hexanauplia) from continental Ecuador and the Galapagos archipelago [PDF]

open access: yes, 2019
An annotated checklist of the free-living freshwater Copepoda recorded in different regions in Ecuador (including the Amazon, the Andes, the coastal region, and the Galapagos Islands) is here provided.
Corgosinho P. H. C.   +6 more
core   +1 more source

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