Subtitle:

Parasitic Hymenoptera in a beech forest... 3 ; The role of leaf litter for the parasitoid species

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 311-326 : illustrations ; 27 cm ; Bibliographical references (pages 325-326)

Type of object:

Journal/Article

Abstract:

In a mixed beech forest growing on limestone, the effect of an enhanced and a reduced layer of leaf litter on the emergence of parasitic Hymenoptera (as well as their hosts) was studied. A long term increase (4 years with an initially 5-fold value) of the leaf layer and a short term experiment (1 year, factor 5) resulted in a rise of the total density of soil living parasitoids. The abundance of parasitoids which attack hosts in the herb layer or canopy declined. However, in both groups diversity and evenness was lowered. A reduction of the layer of leaf litter resulted in lower densities of the parasitoids of soil living hosts, but higher abundances of the parasitoids of hosts in other strata. The lacking leaf layer caused a reduction in the number of species and lowered both diversity and evenness. The lacking leaf layer also caused changes in the species composition. Experiments with dead snails to attract necrophagous insects and their parasitoids covered by different amounts of leaf litter revealed a species specific reaction to the leaf cover. Total parasitism rates were not reduced under a thick layer of leaf litter. No protective function of the leaf cover could be detected.

References:

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Hovemeyer K. 1985 - Die Zweiflugler (Diptera) eines Kalkbuchenwaldes: Lebenszyklen, Raum-Zeit-Muster und Nahrungsbiologie – Thesis Univ. Gottingen.
Hovemeyer K. 1992 - Response of Diptern populations to experimentally modified leaf litter input in a beech forest on limestone - Pedobiologia 36: 35-49.
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Ulrich W. 1987 - Wirtsbeziehungen der parasitoiden Hautflugler in einem Kalkbuchenwald (Hymenoptera) - Zool. Jb. Syst. 114: 303-342.
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Ulrich W. 1998a - The parasitic Hymenoptera in a beech forest on limestone I: Species composition, species turnover, abundance and biomass - Pol. J. Ecol. 46: 261-289.
Ulrich W. 1998b - Species composition, coexistence and mortality factors in a carrion exploiting community composed of necrophagous Diptera and their parasitoids - Pol. J. Ecol. (in press)

Relation:

Polish Journal of Ecology

Volume:

46

Issue:

3

Start page:

311

End page:

326

Detailed Resource Type:

Article

Resource Identifier:

oai:rcin.org.pl:98277 ; 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