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Agriculture & Food 2020, 8th International Conference
26-29 August, Burgas, Bulgaria
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Agriculture & Food, Volume 3, 2015

Boudiaf Nait Kaci M., Metahri M. S., Mouas Bourbia S., Derridj A.
Pages: 320-324
Published: 23 May 2015
Views: 2,264
Downloads: 661
Abstract: The current study gathers new data on soil macroinvertebrates in Algerian groves. Data were collected in three sites from sub-humid, semi-arid to arid regions of Algeria. We have particularly investigated the effects of soil properties and climate. Olive trees are very important socioeconomically for many Mediterranean countries like Algeria. Climatic and pedological characteristics of this region favor soil erosion and salinity that threaten soil biodiversity. These factors also constraint soil community dynamics and recognized as important drivers for soil fauna. The objectives were to determine levels of soil macrofauna abundance and to hierarchize the factors controlling their distribution.We particularly investigated the effects of soil properties and climate. We collected 24 taxa, of which 33% were coleopterans , 25% ants and 7% gasteropods. The factors site and climate as well as their interaction influenced total soil macrofauna abundance. Particularly, earthworms and spiders were highly sensitive to aridity, which was not true for ants.
Keywords: algerian groves, soil, macrofauna, olea europeae l., climate
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