Results 61 to 70 of about 50,390 (204)

Trophic interactions within the microbial food web in a tropical floodplain lake (Laguna Bufeos,Bolivia)

open access: yesRevista de Biología Tropical, 2005
Whether the primary role of bacterioplankton is to act as "remineralizers" of nutrients or as direct nutritional source for higher trophic levels will depend on factors controlling their production and abundance.
Danny Rejas   +2 more
doaj  

Ecological studies of the aquatic soil invertebrates in three inundation forests of Central Amazonia

open access: yes, 1975
From January 1971 till August 1972 ecological studies were carried out on the aquatic macroinvertebrates of the benthos community of three Central-Amazonian inundation forests.
Irmler, U.
core  

Effect of iron and ascorbic acid addition on dry infusion process and final color of pumpkin tissue [PDF]

open access: yes, 2014
In the present study, pumpkin (Cucurbita moschata Duchesne ex Poiret) was used as raw material to produce sweet food fortified with iron (Fe) and ascorbic acid (AA). A dry infusion process with a subsequent air drying was applied.
de Escalada Pla, Marina Francisca   +2 more
core   +1 more source

A comparison of climate simulations for the last glacial maximum with three different versions of the ECHAM model and implications for summer-green tree refugia [PDF]

open access: yes, 2011
This is an open access article. The official link can be found below.Model simulations of the last glacial maximum (21 ± 2 ka) with the ECHAM3 T42 atmosphere-only, ECHAM5-MPIOM T31 atmosphere-ocean coupled and ECHAM5 T106 atmosphere-only models are ...
Arpe, K, Leroy, SAG, Mikolajewicz, U
core   +2 more sources

Taxonomic studies of the Rotifera (Phylum Aschelminthes) from a Central Amazonian varzea lake, Lago Camaleão (Ilha de Marchantaria, Rio Solimões, Amazonas, Brazil)

open access: yes, 1983
148 species of rotifers were identified in 22 plankton samples collected in Lago Camaleão, situated on the Ilha de Marchantaria, in the varzea region of the Solimões-Amazonas River system.
Koste, W., Robertson, B.
core  

EVIDENCIA DEL IMPACTO HUMANO Y CAMBIO CLIMÁTICO NATURAL EN LA REGIÓN DE LOS TUXTLAS, VER.: UN ENFOQUE MULTIDISCIPLINARIO

open access: yesTIP Revista Especializada en Ciencias Químico-Biológicas, 2007
El estudio del cambio ambiental utilizando el registro de los indicadores en escalas temporales pasadas, aporta información sobre los diferentes factores que influyen en los ecosistemas.
Ma. del Socorro Lozano-García   +2 more
doaj  

Primary production of phytoplankton in the three types of Amazonian waters. III. Primary productivity of phytoplankton in a tropical flood-plain lake of Central Amazonia, Lago do Castanho, Amazonas, Brasil

open access: yes, 1973
The primary productivity of phytoplankton in Lago do Castanho is characterized by a high production density (production per unit volume g C/m³). Because of unfavourable optical conditions in the water body, however, the thickness of the productive area ...
Schmidt, G.
core  

Susceptibilidad a inundación por flujos torrenciales a partir de la integración del método geomorfológico y de la modelización con FLO-2D, lago Atitlán, Guatemala

open access: yesRevista Mexicana de Ciencias Geológicas, 2019
El lago Atitlán (Guatemala) se encuentra localizado en la zona de paso de los ciclones tropicales formados tanto en el océano Atlántico como en el Pacífico.
Sergi Paricio Salas   +3 more
doaj   +1 more source

About the relationship between the zooplankton and fluctuating water levels of Lago Camaleão, a Central Amazonian várzea lake

open access: yes, 1984
A two-year study of the composition and abundance of the zooplankton was conducted in an Amazonian vãrzea lake, Lago Camaleão. Rotifers were dominant in terms of both species numbers and density.
Hardy, E., Koste, W., Robertson, B.
core  

Rhynchomeliola Speg., un viejo género nuevo para Argentina [PDF]

open access: yes, 2012
Al estudiar los micromicetes asociados a plantas nativas de los bosques andinopatagónicos, se coleccionaron ejemplares de dos especies de Rhynchomeliola Speg.: R. lomatiae S. Lee & Joanne E. Taylor creciendo sobre hojas de Lomatia ferruginea (Proteaceae),
Bianchinotti, Maria Virginia   +2 more
core  

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