2016
DOI: 10.1007/s40415-016-0288-5
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Abstract: Diverse ecological factors (top-down and bottom-up) act on the richness and abundance patterns of insect galls. Host plant density is a kind of bottom-up factor and is related to ''resource concentration hypothesis.'' In this study, we analyzed forest patches that differ in vegetational structure and host plant abundance: homogeneous forest patches (Schinus-dominated) and more complex forest patches, to determine whether there are differences in the intensity of gall infestation among individual trees. Insect … Show more

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Cited by 2 publications
(1 citation statement)
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“…However, the abundance of galls has shown distinct relationships with resource concentration on a local scale (resource per area). The abundance of galls in dense host patches (higher resource concentration) has been previously reported to be higher due to the reduced flight ability of the galling insect (Viana et al, 2013;Avila & Oleques, 2016). However, some studies also found a lower gall abundance per host individual in dense host patches since a higher number of hosts can reduce the concentration of galling insects per individual (Muiruri & Koricheva, 2017;Coutinho et al, 2019;Fagundes et al, 2019).…”
Section: Introductionmentioning
confidence: 97%
“…However, the abundance of galls has shown distinct relationships with resource concentration on a local scale (resource per area). The abundance of galls in dense host patches (higher resource concentration) has been previously reported to be higher due to the reduced flight ability of the galling insect (Viana et al, 2013;Avila & Oleques, 2016). However, some studies also found a lower gall abundance per host individual in dense host patches since a higher number of hosts can reduce the concentration of galling insects per individual (Muiruri & Koricheva, 2017;Coutinho et al, 2019;Fagundes et al, 2019).…”
Section: Introductionmentioning
confidence: 97%