Results 71 to 80 of about 122,854 (256)

Biogeography of the endosymbiotic dinoflagellates (Symbiodiniaceae) community associated with the brooding coral Favia gravida in the Atlantic Ocean.

open access: yesPLoS ONE, 2019
Zooxanthellate corals live in symbiosis with phototrophic dinoflagellates of the family Symbiodiniaceae, enabling the host coral to dwell in shallow, nutrient-poor marine waters.
Mariana M Teschima   +4 more
doaj   +1 more source

Influence of southern hemispheric biomass burning on midtropospheric distributions of nonmethane hydrocarbons and selected halocarbons over the remote South Pacific [PDF]

open access: yes, 1999
Aircraft measurements of nonmethane hydrocarbons (NMHCs) and halocarbons were made over the remote South Pacific Ocean during late August-early October 1996 for NASA's Global Tropospheric Experiment (GTE) Pacific Exploratory Mission-Tropics A (PEM ...
Albercook, GM   +13 more
core  

The southernmost range limit for the hidden angelshark Squatina occulta [PDF]

open access: yes, 2016
Background: Angelsharks (Genus Squatina) are distributed in the southern Southwest Atlantic Ocean between southeastern Brazil and central Patagonia. The endangered hidden angelshark Squatina occulta is reported in the literature as ranging from Espírito ...
Chiaramonte, Gustavo Enrique   +4 more
core   +1 more source

Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil

open access: yesInternational Journal of Climatology, EarlyView.
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana   +4 more
wiley   +1 more source

White Shark or Shortfin Mako? Lamnid sharks identification in an overlapping area of the Equatorial Southwestern Atlantic

open access: yesOcean and Coastal Research
Despite their worldwide distribution, the occurrence of Lamnidae species in tropical zones remain poorly understood. In the Equatorial Southwestern Atlantic, the Shortfin Mako, Isurus oxyrinchus, has been captured in commercial fisheries, whereas the ...
José Belquior Gonçalves-Neto   +5 more
doaj   +1 more source

Stelletta ruetzleri sp. nov., a new ancorinid from the Southwestern Atlantic (Porifera, Astrophorida)

open access: yesScientia Marina, 2002
Stelletta ruetzleri sp. nov., a new ancorinid sponge from the Southwestern Atlantic (Porifera, Astrophorida), collected at 128 and 200 m depth off Rio Grande do Sul State coast, Brazil (31°20´-32°24´S/49°52´-50°15´W), is described and illustrated with ...
Beatriz Mothes, Carla Maria M. Silva
doaj   +1 more source

Tropicalization of the Temperate Zone: Spatiotemporal Variability of Winter Warming and Declining Freeze Days Across the United States

open access: yesInternational Journal of Climatology, EarlyView.
Unique characteristics of winter daily minimum (Tmin) and maximum (Tmax) temperatures and freeze days across the conterminous United States from 1952 to 2024 are examined. Results show spatial heterogeneity in Tmin/Tmax warming rates across the tropical‐temperate transition zone in the southeastern United States, and that the highest temperature on the
Vincent M. Brown   +4 more
wiley   +1 more source

The Historical Development of Easter-Southern Freight Rate Relationships [PDF]

open access: yes, 1947
A method for creating and presenting video-recorded synchronized audiovisual stimuli at a high frame rate-which would be highly useful for psychophysical studies on, for example, just-noticeable differences and gating-is presented.
Potter, David M.
core   +3 more sources

Species richness and distribution patterns of echinoderms in the southwestern Atlantic Ocean (34-56°S)

open access: yesScientia Marina, 2014
The aim of this study was to compile and analyse available historical information on echinoderms in the southwestern Atlantic Ocean in order to make a synthesis of present taxonomical knowledge, to identify patterns of geographical distribution of ...
Valeria Souto   +3 more
doaj   +1 more source

The relative roles of in situ diversification and lineage dispersal underlying diversity patterns at the assemblage level

open access: yesOikos, EarlyView.
Speciation, extinction, and dispersal are the historical processes influencing the spatial distribution of lineages and strongly influence diversity patterns. Here, we apply a recently developed methodological approach to quantify the relative legacies in situ diversification history (i.e.
Arthur Vinicius Rodrigues   +2 more
wiley   +1 more source

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