On two methods to estimate production of Eichhornia crassipes in the eutrophic Pampulha reservoir (MG, Brazil)

This paper deals with variations in biomass and in the production of Eichhornia crassipes (water hyacinth) in a eutrophic tropical reservoir. Net production was assessed by both a traditional method and a demographic approach. The initial biomass ranges from 96 g DW.m-2 to a maximum of 2027 g DW.m-2...

Full description

Bibliographic Details
Main Authors: M. K. B. GRECO, J. R. de FREITAS
Format: Article
Language:English
Published: Instituto Internacional de Ecologia 2002-08-01
Series:Brazilian Journal of Biology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842002000300010&tlng=en
Description
Summary:This paper deals with variations in biomass and in the production of Eichhornia crassipes (water hyacinth) in a eutrophic tropical reservoir. Net production was assessed by both a traditional method and a demographic approach. The initial biomass ranges from 96 g DW.m-2 to a maximum of 2027 g DW.m-2. Net production estimates varied greatly according to which method was used to calculate them (traditional: 20.6 ton DW.hectare-1.year-1, demographic: 226.9 ton DW.year-1).
ISSN:1678-4375