2002
DOI: 10.1046/j.0307-6946.2001.00387.x
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Spatial correlations of Diceroprocta apache and its host plants: evidence for a negative impact from Tamarix invasion

Abstract: Abstract. 1. The hypothesis that the habitat-scale spatial distribution of the Apache cicada Diceroprocta apache Davis is unaffected by the presence of the invasive exotic saltcedar Tamarix ramosissima was tested using data from 205 1-m 2 quadrats placed within the flood-plain of the Bill Williams River, Arizona, U.S.A. Spatial dependencies within and between cicada density and habitat variables were estimated using Moran's I and its bivariate analogue to discern patterns and associations at spatial scales fro… Show more

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Cited by 20 publications
(14 citation statements)
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“…Another possible factor may be the presence of Apache cicada (Diceroprocta apache) nymphs, which affect the spatial distribution of surface water by excreting unassimilated fluid obtained through feeding on xylem (Andersen 1994). However, the distribution of burrowing cicada nymphs is non-random and clustered (Ellingson and Andersen 2002), and we do not know where our soil moisture measurements were taken relative to cicada populations.…”
Section: Discussionmentioning
confidence: 98%
“…Another possible factor may be the presence of Apache cicada (Diceroprocta apache) nymphs, which affect the spatial distribution of surface water by excreting unassimilated fluid obtained through feeding on xylem (Andersen 1994). However, the distribution of burrowing cicada nymphs is non-random and clustered (Ellingson and Andersen 2002), and we do not know where our soil moisture measurements were taken relative to cicada populations.…”
Section: Discussionmentioning
confidence: 98%
“…Although the interpretation of ecological structure from autocorrelograms has been examined in detail elsewhere (e.g., Sokal 1979;Legendre and Fortin 1989), there are few examples of the use of spatial cross-correlograms in ecology. When considered together, auto-and cross-correlograms can provide unique insights into the nature and scale(s) of ecological processes (Fauchald et al 2000;Ellingson and Andersen 2002). Here, we briefly describe spatial correlograms as they relate to the specific process of frugivory.…”
Section: Introductionmentioning
confidence: 99%
“…The spatial distribution of cicadas in these habitats is likely closely associated with environmental and habitat conditions such as soil characteristics and ßooding extent, both of which inßuence cicada emergence timing and nymph survival (Andersen 1994, Ellingson andAndersen 2002). Of concern, however, is that habitat loss, fragmentation, and waterway channelization have increased the severity and frequency of ßooding within these systems, particularly those in the southeastern United States (Harris and Gosselink 1990, Pashley and Barrow 1993, King et al 2009).…”
mentioning
confidence: 97%