Results 21 to 30 of about 6,729 (216)

Diverging Food Web Functioning Around Southampton Island, Nunavut: The Influence of Primary Production Supply and Bathymetry [PDF]

open access: yesEcol Evol
Southampton Island hosts two distinct benthic sub‐webs, north and south. North is deeper, phytoplankton‐driven; South is shallower, more ice‐algae driven. North benthos: bottom‐up control, four trophic levels including apex predators. South benthos: walrus top‐down control, trophic truncation to three levels.
Amiraux R   +13 more
europepmc   +2 more sources

Population biology of the sea star Anasterias minuta (Forcipulatida: Asteriidae) threatened by anthropogenic activities in rocky intertidal shores of San Matías Gulf, Patagonia, Argentina [PDF]

open access: yes, 2017
In Patagonian coastal areas, intertidal benthic communities are exposed to extreme physical conditions. The interaction between harsh environment and anthropogenic pressure can generate changes in population biology of marine invertebrates, like density ...
Arribas, Lorena Pilar   +3 more
core   +1 more source

Bright spots in the darkness of cancer: A review of starfishes-derived compounds and their anti-tumor action [PDF]

open access: yes, 2019
The fight against cancer represents a great challenge for researchers and, for this reason, the search for new promising drugs to improve cancer treatments has become inevitable.
Arizza V.   +4 more
core   +1 more source

Preliminary report on Echinoidea and Asteroidea (Echinodermata) of the Joint Chilean-German-Italian Magellan Victor Hensen Campaign, 17 October - 25 November 1994

open access: yesScientia Marina, 1999
Part of the echinoderm material (Echinoidea and Asteroidea) sampled by 59 Agassiz trawls during the Victor Hensen Campaign 1994 is summarized in a preliminary species list.
Alberto Larraín   +3 more
doaj   +1 more source

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

Complete mitochondrial genome of the taxonomically notorious sea star, Henricia leviuscula (Asteroidea, Spinulosida, Echinasteridae), from South Korea

open access: yesMitochondrial DNA. Part B. Resources, 2019
In this study, next-generation sequencing was used to obtain the complete mitogenome of Henricia leviuscula (Stimpson, 1857). The mitogenome form was found to be a circular molecule 16,119-bp long with a 60.4% AT bias.
Taekjun Lee, Sook Shin
doaj   +1 more source

Asteroidea [PDF]

open access: yesBijdragen tot de Dierkunde, 1927
Caracasbaai, 19. IV. 20, 6 spec.
openaire   +2 more sources

Riqueza específica y patrones de distribución de equinodermos en el Atlántico Sudoccidental entre los 34 y 56°S [PDF]

open access: yes, 2014
El objetivo de este estudio es recopilar y analizar la información histórica disponible sobre equinodermos en el Atlántico Sudoccidental, a fin de elaborar una síntesis del estado de conocimiento actual, identificar patrones de distribución geográfica de
Bremec, Claudia Silvia   +3 more
core   +3 more sources

Spatial Pattern in Beta Diversity of Echinoidea and Asteroidea Communities from the Coastal Area of Tomia Island, Wakatobi Marine National Park, Southeast Sulawesi, Indonesia

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2015
The present study was aimed to elucidate the spatial pattern in the beta diversity of marine bentic for Echinoidea and Asteroidea that assemblages the coastal area of Tomia Island, Wakatobi Marine National Park, Indonesia.
Kangkuso Analuddin   +6 more
doaj   +1 more source

The Evolution and Diversity of SALMFamide Neuropeptides [PDF]

open access: yes, 2013
The SALMFamides are a family of neuropeptides that act as muscle relaxants in echinoderms. Two types of SALMFamides have been identified: L-type (e.g.
Achhala, S, Elphick, MR, Martynyuk, N
core   +6 more sources

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