OrangerV1, Main, Exploration, bibRecord, 000C66

[Spider diversity in cultures of Citrus sinensis (Rutaceae) in Corrientes province, Argentina].

Identifieur interne : 000C66 ( Main/Exploration ); précédent : 000C65; suivant : 000C67

[Spider diversity in cultures of Citrus sinensis (Rutaceae) in Corrientes province, Argentina].

Auteurs : Gilberto Avalos [Argentine] ; Maria Esther Bar ; Elena Beatriz Oscherov ; Alda González

Source :

Revista de biologia tropical [ 0034-7744 ] ; 2013.

RBID : pubmed:24027921

Descripteurs français

Wicri :
- geographic : Argentine.

English descriptors

KwdEn :
- Animals, Argentina, Biodiversity, Citrus sinensis (parasitology), Population Density, Spiders (classification).
MESH :
- geographic : Argentina.
- classification : Spiders.
- parasitology : Citrus sinensis.
- Animals, Biodiversity, Population Density.

Abstract

Spiders are predators that reduce insect pest populations in agroecosystems. In spite that the presence of spider assemblages has been described in different crop plants, no reports have been done for Citrus species in Argentina. We studied the spider community associated with cultures of Citrus sinensis in the province of Corrientes, Argentina, in two plots (AM1 irrigated and AM2 unirrigated) of 0.82 hectares each. Spiders were collected monthly by using pitfall traps, hand capture, agitation of foliage and sieving of soil litter. A total of 7174 specimens were collected (33 families, 44 genera and 200 species/morphospecies). The AM1 recorded 3811 individuals (33 families, 179 species/morphospecies) and AM2 3363 individuals (31 families, 174 species/morphospecies). November, December and January showed the highest abundance in both plots. A total of 70% of collected spiders were juveniles. Eight families were the most abundant and represented 75% of spiders collected in both plots, the largest being Lycosidae. We identified eight guilds in both plots, for which the ground runners resulted the most abundant (AM1 n = 1341, s=39, n=999 AM2, s = 33), followed by orb weavers (AM1 n = 637, s = 36; AM2 n = 552, s = 33), the stalkers (AM1 n = 471, s = 43, AM2 n = 453, s = 47) and the space web-builders (AM1 n = 446, s = 23; AM2 n = 342, s = 25). The analysis of alpha diversity in both plots (AM1H' = 4.161, J' = 0.802; AM2 H' = 4.184, J' = 0.811) showed no significant differences (t = 1.083 p = 0.279). The linear dependences model was the one with the best fit results, where the species observed were more than estimated. Clench model estimated 90.9% of the spiders observed in the unit with irrigation and 90.6% in the unit without irrigation.

PubMed: 24027921

Affiliations:

Argentine

Le document en format XML

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<author><name sortKey="Oscherov, Elena Beatriz" sort="Oscherov, Elena Beatriz" uniqKey="Oscherov E" first="Elena Beatriz" last="Oscherov">Elena Beatriz Oscherov</name>
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<series><title level="j">Revista de biologia tropical</title>
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<front><div type="abstract" xml:lang="en">Spiders are predators that reduce insect pest populations in agroecosystems. In spite that the presence of spider assemblages has been described in different crop plants, no reports have been done for Citrus species in Argentina. We studied the spider community associated with cultures of Citrus sinensis in the province of Corrientes, Argentina, in two plots (AM1 irrigated and AM2 unirrigated) of 0.82 hectares each. Spiders were collected monthly by using pitfall traps, hand capture, agitation of foliage and sieving of soil litter. A total of 7174 specimens were collected (33 families, 44 genera and 200 species/morphospecies). The AM1 recorded 3811 individuals (33 families, 179 species/morphospecies) and AM2 3363 individuals (31 families, 174 species/morphospecies). November, December and January showed the highest abundance in both plots. A total of 70% of collected spiders were juveniles. Eight families were the most abundant and represented 75% of spiders collected in both plots, the largest being Lycosidae. We identified eight guilds in both plots, for which the ground runners resulted the most abundant (AM1 n = 1341, s=39, n=999 AM2, s = 33), followed by orb weavers (AM1 n = 637, s = 36; AM2 n = 552, s = 33), the stalkers (AM1 n = 471, s = 43, AM2 n = 453, s = 47) and the space web-builders (AM1 n = 446, s = 23; AM2 n = 342, s = 25). The analysis of alpha diversity in both plots (AM1H' = 4.161, J' = 0.802; AM2 H' = 4.184, J' = 0.811) showed no significant differences (t = 1.083 p = 0.279). The linear dependences model was the one with the best fit results, where the species observed were more than estimated. Clench model estimated 90.9% of the spiders observed in the unit with irrigation and 90.6% in the unit without irrigation.</div>
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<tree><noCountry><name sortKey="Bar, Maria Esther" sort="Bar, Maria Esther" uniqKey="Bar M" first="Maria Esther" last="Bar">Maria Esther Bar</name>
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<name sortKey="Oscherov, Elena Beatriz" sort="Oscherov, Elena Beatriz" uniqKey="Oscherov E" first="Elena Beatriz" last="Oscherov">Elena Beatriz Oscherov</name>
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<country name="Argentine"><noRegion><name sortKey="Avalos, Gilberto" sort="Avalos, Gilberto" uniqKey="Avalos G" first="Gilberto" last="Avalos">Gilberto Avalos</name>
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[Spider diversity in cultures of Citrus sinensis (Rutaceae) in Corrientes province, Argentina].

[Spider diversity in cultures of Citrus sinensis (Rutaceae) in Corrientes province, Argentina].

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

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