%0 Conference Proceedings
%@holdercode {isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S}
%@nexthigherunit 8JMKD3MGPCW/3ER446E
%@usergroup administrator
%3 01026879.pdf
%@group DSR-INPE-MCT-BR
%@secondarykey INPE-10561-PRE/6026
%A Pereira Filho, Waterloo,
%A Novo, Evlyn Marcia Leão de Moraes.,
%T Limnological variables and macrophyte infestation in Tucuruí reservoir - Pará - Brazil.
%B International Geoscience and Remote Sensing Symposium, (IGARSS).
%D 2002
%S Proceedings
%8 24-28 June
%2 sid.inpe.br/sergio/2004/03.05.15.46.44
%4 sid.inpe.br/sergio/2004/03.05.15.46
%K macrophyte infestation; desinfestation process; Tucurui reservar; Pará State; Northem of Brazil.
%X This paper identified the relationship between aquatic macrophyte infestation and some limnological variables in Tucuruí reservoir, a Hydroelectric Power Facility in Pará State, northern of Brazil. The spread of macrophyte stands jeopardizes environmental quality in many aspects since it is a natural habitat for malaria vector; it is also an area of increased methane emission. On top of that, macrophyte infestation can also be a major problem for navigation and energy production. Thematic Mapper images and geoprocessing techniques were used to map the area occupied by macrophyte stands in 1988 and 1994. Seventeen aquatic compartments inside the reservoir were used as test areas. It was observed that, in general, there was a decrease in macrophyte infestation except for some aquatic compartments. Limnological variables were then measured at the different compartments and analyzed. The results have shown that compartments with higher values of phosphorus and electrical conductivity displayed a slower desinfestation process.
%@language English
%@copyholder SID/SCD
%@secondarytype PRE CI
%@dissemination <E>
%@area SRE
%@affiliation Universidade Federal de Santa Maria, RS,