Now showing items 1-10 of 4940
Periphyton on natural substratum in jurumirim reservoir (São Paulo, Brazil): Community biomass and primary productivity
Seasonal variation in the biomass and primary productivity of the periphyton on natural substratum (internodes of Echiiwchloa polystaclya HBK Hitch.) was studied during one year (from August 1993 to July 1994) in a lagoon ...
Primary production of Utricularia foliosa L., Egeria densa Planchon and Cabomba furcata Schult & Schult.f from rivers of the coastal plain of the State of São Paulo, Brazil
Seasonal variation in gross primary production (GPP) of Utricularia foliosa Linnaeus, Egeria densa Planchon and Cabomba furcata Schult & Schult.f. in rivers of the coastal plain of the state of São Paulo, Brazil was examined ...
The influence of dissolved organic carbon on primary production in northern lakes
(Association for the Sciences of Limnology and Oceanography, 2015-04)
Dissolved organic carbon (DOC) concentrations in lakes are changing globally, but little is known about potential ecosystem impacts.We evaluated the relationship between DOC and whole-lake primary production in arctic ...
Phytoplankton primary production in freshwater environments of Argentina
(E Schweizerbartsche Verlags, 2014-03)
In this article we review the existing knowledge about phytoplankton primary production (PPP) studies conducted in freshwater environments of Argentina, as well as the methodologies used to assess it. The large geographical ...
Production of nursing care in primary health care services
(UNIV SAO PAULO, ESCOLA DE ENFERMAGEM DE RIBEIRAO PRETORIBEIRAO PRETO, 2012)
This descriptive and quantitative study aimed to characterize the production of nursing care in primary health care services in a region of the city of Ribeirao Preto, state of Sao Paulo, Brazil. The study sample comprised ...
Mesoscale primary production and bio-optical variability off Antofagasta (23-24° S) during the transition to El Niño 1997-1998
The spatial variability of primary production (PP), chlorophyll-a (Chl-a) and the photosynthetic parameters were studied off Antofagasta, Chile (23-24° S, 70-72° W) during austral summer and winter. Between cruises (January ...
Carbon productivity and flux in the marine ecosystems of the Galapagos Marine Reserve based on cetacean abundances and trophic indices
(Universidad de Valparaíso. Facultad de Ciencias del Mar, 2009)
Efecto de una quema sobre el crecimiento y demografía de vástagos en Sporobolus cubensis
(Acta Oecologica. Vol 8, Nº 3, 2014)