Effects of flooding and temperature on Aedes albifasciatus development time and larval density in two rain pools at Buenos Aires University City

Fontanarrosa, María Soledad; Marinone, María Cristina; Fischer, Sylvia; Orellano, Pablo Wenceslao; Schweigmann, Nicolás

doi:10.1590/s0074-02762000000600007

Cited by 29 publications

(25 citation statements)

References 7 publications

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“…Temperature and rainfall conditions in temperate Buenos Aires allow several generations of O. albifasciatus, its abundance being higher during spring and fall (Maciá et al 1995, Fontanarrosa et al 2000, García & Micieli 2000. Successive floodings of the same puddle hatched variable numbers of first instar larvae (García & Micieli 2000, Campos & Sy 2003.…”

mentioning

confidence: 99%

Variation in the hatching response of Ochlerotatus albifasciatus egg batches (Diptera: Culicidae) in temperate Argentina

Campos

2006

Mem. Inst. Oswaldo Cruz

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mentioning

confidence: 99%

Variation in the hatching response of Ochlerotatus albifasciatus egg batches (Diptera: Culicidae) in temperate Argentina

Campos

2006

Mem. Inst. Oswaldo Cruz

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“…One study on intermittently flooded streams found that peak benthic macroinvertebrate density and diversity were found 40 to 60 d after flood events (Dodds et al 2004). Flooding has also been shown to stimulate the laying and hatch of mosquito eggs, and evidence suggests that full cohort development for mosquitoes at water temperatures similar to those seen in our study takes from 30 to 40 d (Fontanarrosa et al 2000). Alternatively, weekly sampling may simply have documented a difference in the size distribution of fish, resulting from life history plasticity in Gambusia affinis.…”

Section: Growth and Habitat Qualitymentioning

confidence: 48%

Using Gambusia affinis growth and condition to assess estuarine habitat quality: a comparison of indices

Piazza¹,

Peyre²

2010

Mar. Ecol. Prog. Ser.

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Numerous indices have been used to estimate fish growth and condition; however, differences in sensitivity and reliability of the methods have hampered efforts to identify appropriate indicators for routine evaluation of habitat quality in the field. We compared common morphometric (length, weight, somatic growth, length-weight condition) and biochemical (RNA:DNA ratio, relative DNA content, energy density) growth indices on the same wild-caught mosquitofish Gambusia affinis to examine their usefulness as indicators of habitat quality. A laboratory experiment was used to quantify growth rates of wild-caught G. affinis under different feeding treatments. Field studies consisted of both a short-term enclosure experiment (10 d) and weekly (7 wk) fish collections to compare growth indices in managed inflow and reference marshes during a winter/spring freshwater pulse event in upper Breton Sound, Louisiana, USA. Marshes flooded by restored freshwater pulses were capable of producing optimum growth (0.001 g DW d -1; DW = dry weight) and energetically valuable habitat (> 6000 cal g -1 DW) for trophic transport. Because of differences in timing of response, morphometric and biochemical indices were generally not directly correlated, but there was clear agreement in direction and magnitude of response. The most striking difference in timing was that biochemical indices (RNA:DNA) responded more slowly to treatments than did morphometric growth indices. While gross patterns are comparable between indicators, differences in sensitivity and response time between indicators suggest that choice of indicator needs to be accounted for in interpretation and analysis of effects.KEY WORDS: Growth · Energy density · RNA:DNA ratio · Resident species · Poeciliidae · Estuary · Fish · Louisiana Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 412: [231][232][233][234][235][236][237][238][239][240][241][242][243][244][245] 2010 some methods have hampered efforts to identify appropriate indicators for routine evaluation of habitat quality in the field.Increasing threats to fish populations arising from both natural events and anthropogenic activities have led to extensive estuarine restoration activities around the world and a critical need for appropriate indicators to assess the relationship between restored and altered habitat and their associated fish populations (Madon 2008). In particular, restoration in large-river delta environments (e.g. Williamson River Delta, Sacramento-San Joaquin River Delta, Mississippi River Delta) often focuses on the reconnection of the riverine flood events that provide extended access to highquality, ephemerally flooded estuarine habitats for transient and resident fishes (Kneib 2000). These flooded habitats have been shown to be functionally valuable for fish growth due to an abundance of high quality food sources (Madon 2008). In coastal Louisiana, the Caernarvon Freshwater Diversion (Caernarvon) is one such project that restores the annual s...

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“…Fava et al (2001), studying three groups of cohorts (two winter one spring), detected significant differences in development time between the first group from winter and the remaining groups. Fontanarrosa et al (2000), in a study developed under natural conditions, reported Oc. albifasciatus development time ranging from 6 days to 32 days, associated with mean temperature (24ºC and 13°C respectively); however, these authors did not detect significant differences in the development time.…”

Section: Number Of Individual/daymentioning

confidence: 99%

“…However, significant differences were observed only in the winter, when lowest temperatures occurred. Although Fontanarrosa et al (2000) attributed this heterogeneity in the development time to seasonal temperature, the variation occurring in each cohort in a particular season is probably a consequence of other factors. Growth, development and survivorship of immature mosquitoes are affected by population density (e.g.…”

Section: Number Of Individual/daymentioning

confidence: 99%

“…Temperature and rainfall were cited as the main factors that determine the fluctuation in the abundance of Oc. albifasciatus (Maciá et al 1995, Fontanarrosa et al 2000, García & Micieli 2000, Gleiser et al 2000. However, it is known that mortality of the immature stages plays an important role in adult survival and abundance, as was reported by Andis and Meek (1985) for Psorophora columbiae.…”

mentioning

confidence: 95%

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Mortality in immatures of the floodwater mosquito Ochlerotatus albifasciatus (Diptera: Culicidae) and effects of parasitism by Strelkovimermis spiculatus (Nematoda: Mermithidae) in Buenos Aires Province, Argentina

Campos

2003

Mem. Inst. Oswaldo Cruz

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Effects of flooding and temperature on Aedes albifasciatus development time and larval density in two rain pools at Buenos Aires University City

Cited by 29 publications

References 7 publications

Variation in the hatching response of Ochlerotatus albifasciatus egg batches (Diptera: Culicidae) in temperate Argentina

Variation in the hatching response of Ochlerotatus albifasciatus egg batches (Diptera: Culicidae) in temperate Argentina

Using Gambusia affinis growth and condition to assess estuarine habitat quality: a comparison of indices

Mortality in immatures of the floodwater mosquito Ochlerotatus albifasciatus (Diptera: Culicidae) and effects of parasitism by Strelkovimermis spiculatus (Nematoda: Mermithidae) in Buenos Aires Province, Argentina

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