Results 51 to 60 of about 196,961 (299)

Oxyrhopus petolarius (Linnaeus, 1758) (Serpentes, Dipsadidae): distribution extension and new departmental record for Paraguay [PDF]

open access: yesCheck List, 2014
We present the first record of Oxyrhopus petolarius for Departamento Itapúa, Paraguay. This record extends the species known distribution in approximately 166 km southwest from Puerto Bertoni in Departamento Alto Paraná, representing the southernmost ...
Hugo Beconi, Norman Scott
doaj   +3 more sources

First In Situ Observation of Sperm Release in Corynactis carnea (Anthozoa: Corallimorpharia) from Patagonia, Argentina

open access: yesDiversity, 2023
Jewel sea anemones constitute a relatively small group of solitary cnidarians, a sister group of scleractinian corals. In the southwest Atlantic Ocean off Argentina, two species of jewel sea anemones have been found: Corynactis carnea and Corallimorphus ...
Gonzalo Bravo   +3 more
doaj   +1 more source

Grain Size Constraints on Glacial Circulation in the Southwest Atlantic [PDF]

open access: yesPaleoceanography and Paleoclimatology, 2018
AbstractKnowledge of past deep‐ocean current speeds has the potential to inform our understanding of changes in the climate system on glacial‐interglacial timescales, because they may be used to help constrain changes in deep‐ocean circulation rates and pathways.
Peter T. Spooner   +2 more
openaire   +2 more sources

Slip versus dilation tendency parameter space as a tool for prospecting structurally controlled geothermal systems in greenfield: insights from the greater Ruhr region

open access: yesDeep Underground Science and Engineering, EarlyView.
This study highlights that with the static and time‐dependent evolution of slip versus dilation tendency parameter space, structurally controlled deep geothermal systems can be selected within areas of higher permeability and lower seismic hazard. Abstract Faults play a vital role in the Earth's hydraulic system by facilitating fluid flow when dilating
Michal Kruszewski   +4 more
wiley   +1 more source

Temporal shifts in kelp forest structure and distribution largely reflect recent ocean warming trends

open access: yesEcography, EarlyView.
Ocean warming is driving the redistribution of species at a global scale. Biogeographic transition zones are hotspots of species range shifts, as both warm‐ and cold‐adapted species are found toward contrasting range edges. While anecdotal evidence suggests some distributional shifts have occurred in the northeast Atlantic, the empirical evidence base ...
Nora Salland   +6 more
wiley   +1 more source

Introduction to the Special Volume on Tursiops in the Southwest Atlantic Ocean [PDF]

open access: yesLatin American Journal of Aquatic Mammals, 2017
LAJAM Special Volume on Tursiops in the Southwest Atlantic Ocean is introduced.
Pedro F. Fruet   +8 more
openaire   +1 more source

Dramatic ENSO related Southwestern Atlantic ecosystem shifts

open access: yesScientific Reports
ENSO (El Niño Southern Oscillation) events are becoming more frequent and more intense as climate change continues. Although ENSO effects are known to propagate into the southwest Atlantic, knowledge of how these anomalies result in ecological impacts is
Simon A. Morley   +11 more
doaj   +1 more source

Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

open access: yesNeotropical Ichthyology
The eyespot skate, Atlantoraja cyclophora, is an endemic species from the southwestern Atlantic, occurring from Rio de Janeiro, Brazil, to northern Patagonia, Argentina.
Santiago A. Barbini, Luis O. Lucifora
doaj   +1 more source

The Status of the United States Population of Night Shark, Carcharhinus signatus [PDF]

open access: yes, 2008
Night sharks, Carcharhinus signatus, are an oceanic species generally occurring in outer continental shelf waters in the western North Atlantic Ocean including the Caribbean Sea and Gulf of Mexico.
Beerkircher, Lawrence R.   +4 more
core  

Biogeography of intertidal invertebrates is influenced by latitude along the west coast of Australia

open access: yesEcography, EarlyView.
Along the west coast of Australia, intertidal rock platforms support high invertebrate diversities that provide vital ecosystem services, yet patterns in diversity are not well understood. Here, we document and examine the invertebrate assemblages on intertidal rock platforms in Western Australia and delineate ecoregions according to assemblage ...
Matilda Murley   +2 more
wiley   +1 more source

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