<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The spatial and temporal dynamics and composition of a soil free-living nematode community were studied in order to determine the impact of slope orientation on the community on the xeric south- and the mesic north-facing sand-dune slopes.</p><p>A significant effect of sampling location on organic matter, total number of free-living nematodes, and trophic diversity was found. Although soil moisture had a significant effect on separate nematode trophic groups and on most of the applied ecological indices, no differences in soil moisture were observed between slopes. Organic matter was found to have a significant effect on the fungivore nematodes. The obtained results indicate that the south-facing slope is more favorable for the observed free-living nematodes than the other sampling sites. Twenty-four of the 77 nematode species that were found in the observed area showed dependence on dune slope orientation. The fungibacteria ratio, Simpson’s dominance index, and basal index were useful tools for determining slope differences.</p></abstract>

The spatial and temporal dynamics and composition of a soil free-living nematode community were studied in order to determine the impact of slope orientation on the community on the xeric south- and the mesic north-facing sand-dune slopes.A significant effect of sampling location on organic matter, total number of free-living nematodes, and trophic diversity was found. Although soil moisture had a significant effect on separate nematode trophic groups and on most of the applied ecological indices, no differences in soil moisture were observed between slopes. Organic matter was found to have a significant effect on the fungivore nematodes. The obtained results indicate that the south-facing slope is more favorable for the observed free-living nematodes than the other sampling sites. Twenty-four of the 77 nematode species that were found in the observed area showed dependence on dune slope orientation. The fungibacteria ratio, Simpson’s dominance index, and basal index were useful tools for determining slope differences.

Effect of sand-dune slope orientation on soil free-living nematode abundance and diversity

The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan, 52900, Israel

Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, 430064, P. R. China

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The spatial and temporal dynamics and composition of a soil free-living nematode community were studied in order to determine the impact of slope orientation...

Effect of sand-dune slope orientation on soil free-living nematode abundance and diversity

Publié en ligne: 09 oct. 2010

Pages: 179 - 188

DOI: https://doi.org/10.2478/s11687-010-0027-6

Mots clés
desert ecosystem, dune, ecological indices, nematode communities, slope orientation, trophic groups

© 2010 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of sand-dune slope orientation on soil free-living nematode abundance and diversity

Publié en ligne: 09 oct. 2010

Pages: 179 - 188

DOI: https://doi.org/10.2478/s11687-010-0027-6

Mots clésdesert ecosystem, dune, ecological indices, nematode communities, slope orientation, trophic groups

© 2010 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
desert ecosystem, dune, ecological indices, nematode communities, slope orientation, trophic groups