PERSONAL DE APOYO
CATALDO Daniel Hugo
artículos
Título:
Environmental modulation of reproductive activity of the invasive mussel Limnoperna fortunei in South America: implications for antifouling strategies
Autor/es:
BOLTOVSKOY D., SYLVESTER F., OTAEGUI A., LEITES V Y D CATALDO.
Revista:
AUSTRAL ECOLOGY
Editorial:
Ecological Society of Australia
Referencias:
Lugar: Australia; Año: 2009 vol. 34, p. 719 - 730
ISSN:
1442-9985
Resumen:
Limnoperna fortunei (Dunker, 1857) (Bivalvia) invaded Argentina through the Río de la Plata estuary
around 1990 and is presently established throughout five South American countries as a dominant component of
the benthic fauna and a major nuisance for industry and power plants. Between 1997 and 2006 we monitored the
reproductive activity of L. fortunei through weekly measurements of planktonic larvae in six South American water
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
around 1990 and is presently established throughout five South American countries as a dominant component of
the benthic fauna and a major nuisance for industry and power plants. Between 1997 and 2006 we monitored the
reproductive activity of L. fortunei through weekly measurements of planktonic larvae in six South American water
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(Dunker, 1857) (Bivalvia) invaded Argentina through the Río de la Plata estuary
around 1990 and is presently established throughout five South American countries as a dominant component of
the benthic fauna and a major nuisance for industry and power plants. Between 1997 and 2006 we monitored the
reproductive activity of L. fortunei through weekly measurements of planktonic larvae in six South American water
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
L. fortunei through weekly measurements of planktonic larvae in six South American water
bodies: Río de la Plata estuary, Paraná and Carapachay rivers, Salto Grande, Itaipú and Embalse de Río Tercero
reservoirs. Mean larval densities varied between 4000 and 7000 individuals m-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse. At Salto Grande, there is a
well-defined mid-summer drop in larval numbers, coinciding with blooms of cyanobacteria.We propose that, in
addition to temperature, two major factors may regulate the reproductive activity of L. fortunei: (i) the availability
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
of food; and (ii) blooms of toxic cyanobacteria, significantly shortening the otherwise very long reproductive period.
This information is important for the design of antifouling programmes involving the use of molluscicides, and has
potential for reduced biocide use. These results provide supporting evidence for some fundamental ecological
theories of invasions discussed here.
-3; except in the reservoirs of Itaipú
(450 ind.m-3) and Salto Grande (869 ind.m-3), where the mussel was first recorded shortly before our surveys, and
upstream dispersal is limited (Salto Grande). In all cases, reproductive output decreases during the winter. At four
of the six sites surveyed larval densities were comparatively high for 8.810.2 months per year. A lower food supply
is possibly responsible for the shorter reproductive period of 5.9 months at Embalse