Results 81 to 90 of about 89,781 (236)

Trace metals in common marine foods of the Pacific Coast [PDF]

open access: yes, 1971
Trace metal analysis of 23 species of common Pacific Coast marine foods revealed high cadmium values for Bent-nosed clams (Macoma nasuta), Bay mussels (Mytilus edulis), Bay oysters (Osrtrea lurida), Pacific oysters (Crassostrea gigas), and Littleneck ...
Tolan, Tod
core  

First record of Eptesicus brasiliensis argentinus Thomas, 1920 (Chiroptera, Vespertilionidae) in Entre Ríos province, Argentina [PDF]

open access: yes, 2018
Here, we present the first record of Eptesicus brasiliensis argentinus Thomas, 1920 for the province of Entre Ríos, Argentina. This subspecies was originally described as a full species (Eptesicus argentinus) based on its morphological features that ...
Barquez, Ruben Marcos   +3 more
core   +1 more source

Water Quality Sensing and Spatio-Temporal Monitoring Structure with Autocorrelation Kernel Methods

open access: yesSensors, 2017
Pollution on water resources is usually analyzed with monitoring campaigns, which consist of programmed sampling, measurement, and recording of the most representative water quality parameters.
Iván P. Vizcaíno   +4 more
doaj   +1 more source

Cruise Report 59S7-Crab [PDF]

open access: yes, 1959
(PDF contains 6 pages.

core  

A uniform isotopic and chemical signature of dust exported from Patagonia: Rock sources and occurrence in southern environments [PDF]

open access: yes, 2007
Patagonia is considered to be the most important source of dust from South America that is deposited in surrounding areas, and we present here a systematic Sr and Nd isotopic study of sediment currently being exported.
Brunet, Frédéric   +3 more
core   +3 more sources

Geology of the Transverse Range Province, Southern California [PDF]

open access: yes, 1954
The Transverse Range province of southern California is an elongate geomorphic and structural unit that trends essentially east-west across parts of Santa Barbara, Ventura, Los Angeles, San Bernardino, and Riverside Counties (pl. 4).
Bailey, Thomas L., Jahns, Richard H.
core  

Riesgo de inundación en la llanura fluvial del curso bajo del río San Pedro, Nayarit

open access: yesInvestigaciones Geográficas, 2001
The purpose of this research is to determine the risk of flooding in a portion of the Nayarit coastal plain. This is a core aspect for planning because there is a potential threat for people who live in the San Pedro River fluvial plain, Nayarit, as well
María de Lourdes Romo   +1 more
doaj   +1 more source

Spartan Daily, October 9, 2000 [PDF]

open access: yes, 2000
Volume 115, Issue 27https://scholarworks.sjsu.edu/spartandaily/9594/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Evolution of microgastropods (Ellobioidea, Carychiidae): integrating taxonomic, phylogenetic and evolutionary hypotheses [PDF]

open access: yes, 2013
BACKGROUND: Current biodiversity patterns are considered largely the result of past climatic and tectonic changes. In an integrative approach, we combine taxonomic and phylogenetic hypotheses to analyze temporal and geographic diversification of epigean (
Adrienne Jochum   +6 more
core   +1 more source

Dinámica espacio-temporal de 13 especies de peces nativos en un ecotono lacustre-f Iuvial de la Cuenca del Río Valdivia (Chile) Spatio-temporal dynamics of 13 species of native fish in a lake - river ecotone in the Valdivia River Basin (Chile)

open access: yesGayana, 2012
Los ecotonos transicionales entre lagos y ríos han recibido menor atención que aquellos de ecosistemas terrestres, y pueden reunir características particulares de gran importancia para la conservación de la biodiversidad dulceacuícola.
Claudio Valdovinos   +5 more
doaj  

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