Results 91 to 100 of about 301,567 (308)
Atmospheric input and concentration of dissolved iron in the surface layer of the Gulf of California
A survey was conducted to determine the atmospheric input of particulate iron (Fep) and the factors and processes controlling the concentration and distribution of dissolved iron (Fed) in surface water (200 m) of the central Gulf of California ...
JA Segovia-Zavala +5 more
doaj +1 more source
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley +1 more source
Identification and interpretation of tectonic features from ERTS-1 imagery: Southwestern North America and the Red Sea area [PDF]
The author has identified the following significant results. The ERTS-1 imagery was utilized to study major fault and tectonic lines and their intersections in southwestern North America.
Abdel-Gawad, M., Tubbesing, L.
core +1 more source
Regulation of primary production in the Gulf of California through interaction of large-scale and local ocean processes [abstract] [PDF]
EXTRACT (SEE PDF FOR FULL ABSTRACT): The suppression of primary productivity observed in eastern boundary ecosystems of the Pacific during El Nino episodes does not occur throughout the Gulf of California.
Baumgarter, T.R. +4 more
core
Number of Pages: 4Integrative BiologyGeological ...
Beaman, Kent R. +2 more
core +1 more source
Dental crown morphological variation and heterodonty in carcharhiniform sharks
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley +1 more source
SURFACE HYDROGRAPHY IN THE NORTHERN GULF OF CALIFORNIA TAKEN BY A THERMOSALINOMETER
Through direct measurements of temperature, salinity and density obtained by a thermosalinometer in the northern Gulf of California, superficial scalar fields were obtained for these variables in the periods of January, March, June 1995 and March ...
Emilio Palacios-Hernández +3 more
doaj
Bioaccumulation of metals in mussels from four sites of the coastal region of Baja California
This study analyzes the concentrations and variations of Cu, Mn, Zn, Al, Cd, Ag, As and Se among different size classes of Modiolus capax, from Punta Estrella, Bahía de los Ángeles and Santa Rosalía in the Gulf of California, and of Modiolus modiolus ...
EA Gutiérrez-Galindo +2 more
doaj +1 more source
ABSTRACT Ancient Olympia was one of the most important sanctuaries and the venue for the Olympic Games in Greek and Roman times. Its remains are located in the Olympia Terrace (Peloponnese, Greece) at the present‐day confluence of the rivers Alpheios and Kladeos at the base of Mount Kronos.
Sarah Bäumler +10 more
wiley +1 more source
A series of stomatopod specimens belonging to the family Squillidae was obtained during sampling operations off the coast of Sinaloa (Mexico) in 1990, during three exploratory cruises.
Michel E Hendrickx +1 more
doaj +1 more source

