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Title: A comparative study of the life strategies of two bacterial-feeding nematodes under laboratory conditions. 3, Influence of the initial nematode density on the interactions of Arobeloides nanus (de Man 1880) Anderson and Dolichorhabditis dolichura (Schneider 1866) Andrássy 1983 in mixed cultures

Date issued/created:

2001

Resource type:

Text

Subtitle:

Life strategies of two bacterial-feeding nematodes III ; Influence of the initial nematode density on the interactions of Arobeloides nanus (de Man 1880) Anderson and Dolichorhabditis dolichura (Schneider 1866) Andrássy 1983 in mixed cultures

Contributor:

Polish Academy of Sciences. Institute of Ecology

Publisher:

Polish Academy of Sciences. Institute of Ecology. Publishing Office

Place of publishing:

Dziekanów Leśny

Description:

Pages 137-144 : illustrations ; 27 cm ; Bibliographical references (pages 143-144) ; There is a mistake in the title. Should be "Acrobeloides" instead "Arobeloides".

Type of object:

Journal/Article

Abstract:

Population development and interactions between two bacterial-feeding nematodes Aerobeloides nanus and Dolichorhabditis dolichura were studied in mixed cultures at different initial density of nematodes. Population dynamics of the two studied species differed significantly in both competition experiments, with the initial numerical advantage of A. nanus as well as with the initial numerical advantage of D. dolichura. In all experimental variants population peak of D. dolichura occurred always earlier than that of A. nanus. Population dynamics of A. nanus and D. dolichura depended significantly on the initial density of the second species in the mixed cultures. The higher initial density of D. dolichura the less abundant populations of A. nanus were noticed. However, no consistent trend in the influence of the A. nanus initial density on the abundance of D. dolichura was found. Numerical advantage of D. dolichura never led to the extinction of A. nanus and in the opposite, numerical prevalence of A. nanus in two cases resulted in a complete elimination of D. dolichura.Population dynamics of A. nanus and D. dolichura in mixed cultures showed a distinct difference in the way of food utilisation by these two species. As food resources become scarce with time, D. dolichura density decreased but A. nanus density started to increase. It appears therefore that, under the present laboratory conditions, A. nanus was the better competitor. That species maintained a positive growth rate even at low food concentrations at which its competitor could no longer be sustained.

References:

Anderson R. V., Coleman D. C. 1981 - Population development and interaction between two species of bacteriophagic nematodes - Nematologica, 27: 6-19.
Baath E., Lohm U., Lundgren B., Roswall T., Soderstrom B., Sohlenius B. 1981 - Impact of microbial-feeding animals on total soil activity and nitrogen dynamics: a soil microcosm experiment - Oikos, 37: 257-264.
Bouwman L. A., Bloem J., van den Boogert P. H. J. F., Bremer F., Hoenderboom G. H. J., de Ruiter P.C. 1994 - Short-term and long-term effects of bacterivorous nematodes and nematophagous fungi on carbon and nitrogen mineralization in microcosms - Biol. Fertil. Soils, 17: 249-256.
Bouwman L. A., Zwart K. B. 1994 - The ecology of bacterivorous protozoans and nematodes in arable soil - Agric. Ecosyst. Environ. 51: 145-160.
Connell J. H. 1983 - On the prevalence and relative importance of interspecific competition: evidence from field experiments - Am. Nat. 122: 661-696.
Gause G. F. 1934 - The struggle of existence - Williams and Wilkins, Baltimore.
Ilieva-Makulec K. 2001a - A comparative study of the life strategies of two bacterial-feeding nematodes under laboratory conditions I. Influence of culture conditions on selected life-history parameters of Acrobeloides nanus (de Man 1880) Anderson 1968 and Dolichorhabditis dolichura (Schneider 1866) Andrassy 1983 - Pol. J. Ecol. 49: 29-43.
Ilieva-Makulec K. 2001b (this issue) - A comparative study of the life strategies of two bacterial-feeding nematodes under laboratory conditions II. Influence of the initial food level on the population dynamics of Acrobeloides nanus (de Man 1880) Anderson 1968 and Dolichorhabditis dolichura (Schneider 1866) Andmissy 1983 - Pol. J. Ecol. 49: 123-135.
Ingham R. E., Trofymow J. A., Ingham E. R., Coleman D. C. 1985 - Interactions of bacteria, fungi, and their nematode grazers: effects on nutrient cycling and plant growth - Ecol. Monographs 55: 119-140.
Kozłowska J., Domurat K. 1971 - Research on the biology and ecology of Panagrolaimus rigidus (Schneider) Thorne. II. The influence of the initial density and of interspecies competition on the development of population of saprophagous nematodes - Ekol. Pol. 19: 715-722.
Leslie P. H., Park T., Mertz D. B. 1968 - The effect of varying the initial numbers on the outcome of competition between two Tribolium species - J. Anim. Ecol. 37: 9-25.
Nicholas W. L. 1984 - The biology of free-living nematodes - Clarendon Press, Oxford.
Park T. 1962 - Beetles, competition and populations - Science, 138: 1369-1375.
Poinar G. O., Hansen E. L. 1986 - Associations between nematodes and bacteria - Helminthol. Abstr. (B) 55: 62-81.
Roswall T., Lohm U., Sohlenius B. 1977 - Developpement d'un microcosme pour l'etude de la mineralisation et de l'absorption radiculaire de l;'azote dans l'humus d'une foret de coniferes (Pinus sylvestris L.) - Lejeunia N. S. 84: 1-24.
Shoener T. W. 1983 - Field experiments on interspecific competition - Am. Nat. 122: 240-285.
Sohlenius B. 1973 - Structure and dynamics of Rhabditis (Nematoda, Rhabditidae) from forest soil - Pedobiologia, 13: 368-375.
Sohlenius B. 1985 - Influence of climatic conditions on nematode coexistence: a laboratory experiment with a coniferous forest soil - Oikos, 44: 430-438.
Sohlenius B. 1988 - Interactions between two species of Panagrolaimus in agar cultures - Nematologica, 34: 208-217.
Sohlenius B., Sandor A. 1989 - Ploughing of a perennial grass ley - effects on the nematode fauna - Pedobiologia, 33: 199-210.
Wiens J. A. 1977 - On competition and variable environments - Am. Sci. 65: 590-597.
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Relation:

Polish Journal of Ecology

Volume:

49

Issue:

2

Start page:

137

End page:

144

Detailed Resource Type:

Article

Resource Identifier:

oai:rcin.org.pl:115786 ; ISSN 1505-2249

Source:

MiIZ PAN, call no. P.2840 ; click here to follow the link

Language:

eng

Language of abstract:

Rights:

Creative Commons Attribution BY 3.0 PL license

Terms of use:

Copyright-protected material. [CC BY 3.0 PL] May be used within the scope specified in Creative Commons Attribution BY 3.0 PL license, full text available at: ; -

Digitizing institution:

Museum and Institute of Zoology of the Polish Academy of Sciences

Original in:

Library of the Museum and Institute of Zoology of the Polish Academy of Sciences

Projects co-financed by:

Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.

Access:

Open

Object collections:

Last modified:

Feb 4, 2022

In our library since:

Feb 28, 2020

Number of object content downloads / hits:

48

All available object's versions:

https://rcin.org.pl/publication/91408

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