Results 31 to 40 of about 54,996 (224)

Estudio sobre la tolerancia salinidad en cultivares de algodón [PDF]

open access: yes, 1994
32 páginas.-- 11 figuras.-- 57 referencias.-- Memoria del XXXI Curso Internacional de Edafología y Biología Vegetal, 1994Director: Leidi, Eduardo O.La salinidad, como situación de exceso de sales solubles en el suelo, afecta el crecimiento de las ...
Sáiz Machado, José Francisco
core   +1 more source

Anthropogenic features in the Sines (Portugal) and Essaouira (Morocco) coastal aquifers: a comparative study of their hydrochemical evolution by a Principal Component Analysis.

open access: yesEstudios Geologicos, 2005
Considerando los efectos de las condiciones climáticas sobre la calidad y la salinidad de las aguas subterráneas, se ha llevado a cabo un estudio comparativo entre los acuíferos costeros de Sines (Portugal) y de Essaouira (Marruecos).
P. Galego Fernandes   +5 more
doaj   +1 more source

Skeletonema potamos (Bacillariophyta) in Patos Lagoon, southern Brazil: Taxonomy and distribution

open access: yesRevista Peruana de Biología, 2011
We analyzed the morphogical features of the centric diatom Skeletonema potamos (Weber) Hasle from Patos Lagoon, southern Brazil, using light and scanning electron microscopy.
Lezilda Carvalho Torgan   +2 more
doaj   +1 more source

The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]

open access: yes, 1970
ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L.   +2 more
core  

Vulnerability of Eastern Tropical Pacific chondrichthyan fish to climate change

open access: yesGlobal Change Biology, Volume 30, Issue 7, July 2024.
This assessment identifies sharks' vulnerability to climate change in a data‐poor tropical region and suggests management actions. Abstract Climate change is an environmental emergency threatening species and ecosystems globally. Oceans have absorbed about 90% of anthropogenic heat and 20%–30% of the carbon emissions, resulting in ocean warming ...
Florencia Cerutti‐Pereyra   +18 more
wiley   +1 more source

Influence of the Azores high on sea level pressure and wind, and on precipitation, in the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 1966
ENGLISH: Intensification of the Azores high pressure cell in mid-year, with concomitant air flow from the Caribbean into the Pacific, is shown to be responsible for a secondary minimum of precipitation observed along the tropical Pacific coast of the ...
Bennett, Edward B.
core  

High methane concentrations in tidal salt marsh soils: Where does the methane go?

open access: yesGlobal Change Biology, Volume 30, Issue 1, January 2024.
Salt marsh soils can contain high concentrations of methane, but what happens to this gas? There are a few possibilities, including vertical and lateral transport, storage within the soil, and/or oxidation resulting in transport as carbon dioxide or dissolved inorganic carbon.
Margaret Capooci   +8 more
wiley   +1 more source

Salinidad y germinación de ecotipos de Melilotus Segetalis

open access: yesPastos, 1992
[EN]: Salinity induces a retardation in the speed of germination and a reduction in the number of seeds germinated. In this paper we compare the response to different NaCl levéis, during the germination stage, among Melilotus segetalis populations from con- trasted habitats.
Carrasco, R., Marañón, T., Arroyo, J.
openaire   +3 more sources

Características de la actividad enzimática y el humus en suelos de chinampa

open access: yesTerra Latinoamericana, 2019
Las chinampas son áreas naturales protegidas, que han sufrido degradación debido a la contaminación salina y tipo de manejo, por lo que el objetivo fue estudiar la actividad enzimática y tipo de humus en chinampas con diferente salinidad, uso de suelo y ...
Amada Laura Reyes Ortigoza
doaj   +1 more source

Plasticidad fenotípica de plántulas de Anacardium occidentale L. al estrés salino en base a indicadores fisiológicos

open access: yesTerra Latinoamericana, 2023
El estudio de la respuesta al estrés salino a partir de indicadores fisiológicos en genotipos de marañón (Anacardium occidentale L.), contribuye al conocimiento de los mecanismos adaptativos de esta especie a condiciones estresantes.
Jeiner Medina-Leyva   +6 more
doaj   +1 more source

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