Un Procédé pour récolter automatiquement les proies que lesFormica polyctena rapportent au nid

Chauvin, Rémy

doi:10.1007/bf02224638

Cited by 17 publications

(3 citation statements)

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“…The ant worker population size of each mound was determined in July 2004 using the Lincoln-Petersen method ( Chapman, 1951 ), and the estimate was corrected with a factor of 1.28, as suggested by Horstmann (1982) . Each study mound was surrounded by a metal barrier traversed by bridges that connected the mound with the already existing foraging routes ( Chauvin, 1966;Horstmann, 1970;Rosengren & Sundström, 1987 ). Three to four bridges were used to assess the traffic density of foragers returning to each mound ( Cherix & Bourne, 1980;Rosengren & Sundström, 1987 ).…”

Section: Measurements and Chemical Analysesmentioning

confidence: 99%

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Foraging activity and dietary spectrum of wood ants (Formica rufagroup) and their role in nutrient fluxes in boreal forests

Domisch

Finér

Neuvonen

et al. 2009

Ecological Entomology

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1. We monitored three different-sized wood ant ( Formica aquilonia Yarrow) mounds over a 3-year period in Finnish boreal forests dominated by Norway spruce ( Picea abies Karst.), to assess the seasonal temperature dependency of ant activity. Additionally, we also monitored Norway spruce trees around the mounds for descending honeydew foragers.2. The amount of collected honeydew and prey and its composition, as well as the carbon (C), nitrogen (N), and phosphorus (P) in honeydew and invertebrate prey was also investigated.3. The number of warm days (average temperature above 20 °C) and the amount of precipitation differed among the years. Ant activity at the mounds (but not on the trees) was highly correlated with air temperature throughout the ant-active season (May -September), but ant activity in spring and autumn was lower than in summer at similar temperatures. During all 3 years, honeydew played a major role in wood ant nutrition (78 -92% of dry mass). Invertebrate prey was mainly Diptera (on average 26.2%), Coleoptera (12.5%), Aphidina (9.3%), and Arachnoida (8.5%).4. The total amounts of C, N, and P input brought into the ant mounds in the form of food (both honeydew and prey) on the stand level were 12.6 -39.0, 1.6 -4.6 and 0.1 -0.4 kg ha -1 year -1 , respectively, which is equivalent to 2 -6%, 12 -33% and 27 -58% of the fluxes in annual needle litterfall in typical boreal Norway spruce forests. Thus, wood ants can play a significant role in short term and local N and P cycling of boreal forest ecosystems.

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Section: Measurements and Chemical Analysesmentioning

confidence: 99%

“…Estimates of invertebrate prey collected and carried to the mounds were obtained using Chauvin traps ( Chauvin, 1966 ) for a 1-h period that coincided with the periodic ant forager counts. These traps consist of a funnel leading into a small wooden box with small holes.…”

Section: Measurements and Chemical Analysesmentioning

confidence: 99%

Foraging activity and dietary spectrum of wood ants (Formica rufagroup) and their role in nutrient fluxes in boreal forests

Domisch

Finér

Neuvonen

et al. 2009

Ecological Entomology

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“…Zur Ermittlung der Beutezahlen sind bisher fast immer (mit Ausnahme von Chauvin, 1966;Leplant, 1966) Z~hlungen an AmeisenstraBen durchgeffihrt worden. Dabei ergeben sieh ~bersehfehler, vor allem bei kleinen Beuteobjekten, auBerdem ffihrt das Aufnehmen beladener Ameisen (zur Analyse der Beute) zu StSrungen.…”

Section: A Einleitungunclassified

Untersuchungen �ber den Nahrungserwerb der Waldameisen (Formica polyctena Foerster) im Eichenwald

Horstmann

1970

Oecologia

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The number of ants running out of or into the nest depends mainly on temperature (with a maximum near 23° C), and to a small degree on day-time. Disturbing factors are darkness and rainfall.The pieces of prey brought into the nest measure on average 7 mm, consisting mainly of Lepidoptera (predominantly Tortrix viridana L., which at the time of this investigation was at the culminating point of a gradation), Rhynchota and Diptera. About 8% of the pieces of prey were dried out. The number of pieces brought into the nest depends mainly on temperature. In the course of a day a minimum of prey objects is carried at night and a maximum at day-time, depending on the group of insects to which the prey belongs. Between 19 and 7 o'clock 14% of the daily supply of prey is brought in.The crop volume of the ants running into the nest varies between means of 0.5 and 4.5 mm, reaching a maximum in the morning. The crop volume of the ants running out of the nest at the same time amounts to approximately 8% of those quantities. The crop liquid contains about 22% sugar which concentration is constant in the course of a day, but lower in humid than in dry weather. The protein concentration amounts to an average of 0.5%. The quantities of liquid, sugar and protein brought into the nest per unit time attain a minimum at night and a maximum at about noon. Between 19 and 7 o'clock 29% of the daily supply are brought in.

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Observational and Experimental Methods for the Estimation of Natality, Mortality and Dispersal

Southwood

1978

Ecological Methods

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Un Procédé pour récolter automatiquement les proies que lesFormica polyctena rapportent au nid

Cited by 17 publications

References 0 publications

Foraging activity and dietary spectrum of wood ants (Formica rufagroup) and their role in nutrient fluxes in boreal forests

Foraging activity and dietary spectrum of wood ants (Formica rufagroup) and their role in nutrient fluxes in boreal forests

Untersuchungen �ber den Nahrungserwerb der Waldameisen (Formica polyctena Foerster) im Eichenwald

Observational and Experimental Methods for the Estimation of Natality, Mortality and Dispersal

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