4 edition of Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera) found in the catalog.
Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera)
by National Library of Canada = Bibliothèque nationale du Canada in Ottawa
Written in English
|Series||Canadian theses = Thèses canadiennes|
|The Physical Object|
|Pagination||2 microfiches : negative.|
Assessment of effects of metal mine effluent (MME) on aquatic organisms in lab-based settings predominantly evaluates contaminant transfer through the water only with little emphasis on food-borne exposure. The effects of MME on fathead minnow (Pimephales promelas) (FHM) have been reported downstream of metal mine discharges in the Junction Creek system, Sudbury, ON, but to . Ecological adaptation has occupied a central position in evolutionary theory for over years; however, surprisingly little is known in detail of its significance. This study was undertaken to determine if chromosomal inversions of larvae of Chironomus tentans have any selective significance in nature and if they do, to define the relationship between genetic adaptation, as reflected by the.
Chironomus tentans colonies were reared in glass aquaria containing medium-grain ( μm) sand with overlying aerated ASTM recon hard water. Cultures were maintained in a walk-in environmental chamber at 23 ± 2ºC with a h light:dark photoperiod and fed a culture water slurry of ground Tetrafin(fish flakes (Tetra, Blacksburg. Read "Effect of sediment‐associated pyrethroids, fipronil, and metabolites on Chironomus tentans growth rate, body mass, condition index, immobilization, and survival, Environmental Toxicology & Chemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Ball S, Baker R. The non-lethal effects of predators and the influence of food availability on life history of adult Chironomus tentans (Diptera: Chironomidae). Freshw Biol. ; 1– View Article Google Scholar Werner EE, Gilliam JF. Introduction. It is assumed that diel activity patterns have evolved in response to both exogenous stimuli and endogenous biological constraints –.Exogenous stimuli, including predation, prey dynamics, competition and ambient environmental conditions, are considered to be the selective ecological drivers for the contrasting effects of relative risk and resource use within a particular.
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Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera) FRANK MACCHIUSI. Department of Zoology, University of Toronto, Ontario, Canada. Search for more papers by this author. ROBERT L. BAKER. Corresponding by: Download Citation | Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera) | SUMMARY1.
Larvae of Chironomus tentans Fab, decreased the. Vol Issue 1 The non‐lethal effects of predators and the influence of food availability on life history of adult Chironomus tentans (Diptera: Chironomidae)Cited by: Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera) food was available and predator-induced reductions in activity.
Macchiusi F, Baker RL () Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera). Freshw Biol – Google Scholar Matisoff G, Wang X () Solute transport in sediments by freshwater infaunal by: The foraging activity of the I.
elegans larvae was significantly reduced in the presence of a free-swimming predator but not a caged predator. Abdominal movements were significantly reduced at a low prey density. Growth was significantly reduced by the presence of a free swimming predator.
These organisms depend mostly on locomotion and ventilation (whole-body undulation in the water column) to perform all activities that enable them to dislocate, find food, emerge and avoid predators.
Due to the above mentioned relation of AChE activity and behaviour, it is especially important to assess the effects of toxicants on AChE activity. Larval activity and the median activity lost was highest at the high larvai hunger-level.
This suggests that while hungry larvae may compensate for low food availability by foraging more when no predators are detected, their growth and development rnay suffer more at. The growth experiments clearly showed that the presence of toxicants had no direct negative effect on Chironomus riparius larvae, and that higher growth rates were observed in sediments with a higher food quality, as observed in previous studies (De Haas et al.).
Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae, Diptera). Freshwater Biology – Machacek, J.
Comparison of the response of Daphnia galeata and Daphnia obtusa to fish-produced chemical substances. Limnology and Oceanography – Arch Environ Contam Toxicol – Bridges CM () Predator-prey interactions between two amphib- Macchiusi F, Baker RL () Effects of predators and food ian species: effects of insecticide exposure.
Aquat Ecol availability on activity and growth of Chironomus tentans – (Chironomidae: Diptera). Thus, prey response decreased as the size of their predators increased.
There were more data available for prey activity (46 predator‐prey species pairs); for this metric, there was no significant relationship between body size ratio and response to.
Hong Ling, Shi-Jian Fu, Ling-Qing Zeng, Predator stress decreases standard metabolic rate and growth in juvenile crucian carp under changing food availability, Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, /, ().
Nair, P., Park, S., and Choi, J., “Evaluation of the Effect of Silver Nanoparticles and Silver Ions Using Stress Responsive Gene Expression in Chironomus riparius,” Chemosphere 92 (5), – (). BOLSHAKOV Sadler, W.O., “Biology of the Midge Chironomus tentans Fabricius, and Methods for Its Propagation,” Mem.
Chironomus larvae showed a presence–absence type response. When the late summer algal biomass exceeds 20–30 μg chl-a l −1, that is the annual primary production is higher than – g C m −2 year −1, Chironomus dominates the zoobenthos in the next year and the chironomid biomass attains high values (– g m −2).
Extracellular electrical activity of photoreceptor organs was recorded at larval and adult stages. We found an increase in photosensitivity as the larva metamorphosed to the adult stage. This is the first report of changes in photosensitivity during the development of any insect described in an ecological context.
The direct effects of non-predator organisms on the midge larvae are due to physical disturbance that destroys their tubes. This may result in vulnerability of midge larvae to predators in the wild. “Effects of predators and food availability on activity and growth of Chironomus tentans (Chironomidae: Diptera),” Freshwater Biology, vol.
ments of predator effects will require techniques to estimate the impact of encounters between unrestricted predators and prey in nature. Chironomus tentans is a useful species to assess the impact of fish on foraging of benthic invertebrates as it is easily cultured in the laboratory and its response to preda-tor presence has been well studied.
Survival and Growth in Sediment Using Freshwater Midge Larvae Chironomus tentans or riparius Survival and Growth in Sediment Using the Freshwater Amphipod Hyalella azteca Test for Measuring the Inhibition of Growth Using the Freshwater Macrophyte Lemna minor Survival and Growth in Sediment Using Estuarine or Marine Polychaete Worms.
Contents (continued) 11 Test Method Hyalella azteca d Survival and Growth Test for Sediments 47 Introduction 47 Recommended Test Method for Conducting a d Sediment Toxicity Test with Hyalella azteca 47 General Procedures 47 Interpretation of Results 52 12 Test Method Chironomus tentans d Survival.
Particle size as a modifying factor in sediment toxicity tests: Effects on growth, reproduction, and behavior in Chironomus tentans Conference Sibley, P K ; Benoit, D A ; Ankley, G T The potential for sediment grain size to interfere with the assessment of sublethal endpoints in sediment toxicity tests was evaluated using the midge C.
tentans.Effects of predator presence and food availability on size at emergence and larval development rate Chironomid larvae were exposed to either the non-lethal presence or absence of a pumpkinseed sunfish ( cm standard length) and one of three levels of food availability for .CURRENT BIBLIOGRAPHY: 06 OCT.
- 20 OCT. Odwin Hoffrichter Institut für Biologie I, Albert-Ludwigs-Universität Freiburg, Hauptstr. 1, D Freiburg, Germany Email: [email protected] In addition to supplements to the last two preceding years the publications of the present year are shown: almost one citation per day, which gives the average speed of publishing with regard to.