Effects of woodland restoration and management on the community of surface-active arthropods in the metropolitan Chicago region

McCary, Matthew A.; Martínez, José Cristian; Umek, Lauren; Heneghan, Liam; Wise, David H.

doi:10.1016/j.biocon.2015.06.005

Cited by 20 publications

(6 citation statements)

References 80 publications

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“…There were some signals that in the oldest restoration site, HD resembles MD in terms of spider and plant species composition (although the latter was significant different between degradation states), and plant species richness. This study allows us to confirm what has been shown in other ecosystems (Babin-Fenske & Anand 2010;Borchard et al 2014;McCary et al 2015;Cole et al 2016), i.e. arthropods strongly responds to disturbance through changes in assemblage composition and species occurrence.…”

Section: Discussionsupporting

confidence: 82%

Comparative responses of spiders and plants to maritime heathland restoration

et al. 2019

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Assessment of habitat restoration often rely on single-taxa approach, plants being widely used. Arthropods might yet complement such evaluation, especially in hard, poorly-diversified environments such as maritime clifftops. In this study we compared the responses of spiders and plants (both at species and assemblage levels) to increasing time of heathland restoration. Sampling took place in different sites of Brittany (Western France), using a replicated design of both pitfall traps and phytosociological relevés. A total of 5056 spiders belonging to 160 species, and 103 plant species were found. No change in species richness between degradation states was found for spiders. Plant species richness was lower in highly degraded habitats of recently restored sites but was not in the oldest restored one. Species composition greatly changed through turnover mechanisms between all sites and degradation states, for both spider and vegetation. Heterogeneity was higher in references states, and increased over restoration time between sites. The number of indicator species decreased with restoration age for spiders, while no indicator species was found for plants. Restoration is still ongoing after 15 years, with no recovery of reference assemblages for both plants and spiders, but there were some signals toward reference in the oldest restoration site. Plants and spiders were proved to be complementary bio-indicators of post disturbance restoration, as they bring different, scaledependent information on restoration success.

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Section: Discussionsupporting

confidence: 82%

Comparative responses of spiders and plants to maritime heathland restoration

et al. 2019

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“…There are also several other invasive plants with similar impacts on primary consumers in the brown food web of woodland ecosystems (Bassett ; McCary et al . ; Motard et al . ).…”

Section: Discussionmentioning

confidence: 99%

Invasive plants have different effects on trophic structure of green and brown food webs in terrestrial ecosystems: a meta‐analysis

et al. 2016

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Although invasive plants are a major source of terrestrial ecosystem degradation worldwide, it remains unclear which trophic levels above the base of the food web are most vulnerable to plant invasions. We performed a meta-analysis of 38 independent studies from 32 papers to examine how invasive plants alter major groupings of primary and secondary consumers in three globally distributed ecosystems: wetlands, woodlands and grasslands. Within each ecosystem we examined if green (grazing) food webs are more sensitive to plant invasions compared to brown (detrital) food webs. Invasive plants have strong negative effects on primary consumers (detritivores, bacterivores, fungivores, and/or herbivores) in woodlands and wetlands, which become less abundant in both green and brown food webs in woodlands and green webs in wetlands. Plant invasions increased abundances of secondary consumers (predators and/or parasitoids) only in woodland brown food webs and green webs in wetlands. Effects of invasive plants on grazing and detrital food webs clearly differed between ecosystems. Overall, invasive plants had the most pronounced effects on the trophic structure of wetlands and woodlands, but caused no detectable changes to grassland trophic structure.

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“…The preserve, which is within the Chicago metropolitan region, is managed by the Cook County Forest Preserve District. Forests in this region are actively managed for several invasive plants [ 23 ], and the forest floor at Swallow Cliffs contains a thick leaf-litter layer with an abundant and diverse arthropod community.…”

Section: Methodsmentioning

confidence: 99%

Pattern of seasonal variation in rates of predation between spider families is temporally stable in a food web with widespread intraguild predation

Wise,

Mores,

M. Pajda-De La O

et al. 2023

PLoS ONE

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Intraguild predation (IGP)–predation between generalist predators (IGPredator and IGPrey) that potentially compete for a shared prey resource–is a common interaction module in terrestrial food webs. Understanding temporal variation in webs with widespread IGP is relevant to testing food web theory. We investigated temporal constancy in the structure of such a system: the spider-focused food web of the forest floor. Multiplex PCR was used to detect prey DNA in 3,300 adult spiders collected from the floor of a deciduous forest during spring, summer, and fall over four years. Because only spiders were defined as consumers, the web was tripartite, with 11 consumer nodes (spider families) and 22 resource nodes: 11 non-spider arthropod taxa (order- or family-level) and the 11 spider families. Most (99%) spider-spider predation was on spider IGPrey, and ~90% of these interactions were restricted to spider families within the same broadly defined foraging mode (cursorial or web-spinning spiders). Bootstrapped-derived confidence intervals (BCI’s) for two indices of web structure, restricted connectance and interaction evenness, overlapped broadly across years and seasons. A third index, % IGPrey (% IGPrey among all prey of spiders), was similar across years (~50%) but varied seasonally, with a summer rate (65%) ~1.8x higher than spring and fall. This seasonal pattern was consistent across years. Our results suggest that extensive spider predation on spider IGPrey that exhibits consistent seasonal variation in frequency, and that occurs primarily within two broadly defined spider-spider interaction pathways, must be incorporated into models of the dynamics of forest-floor food webs.

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Effects of woodland restoration and management on the community of surface-active arthropods in the metropolitan Chicago region

Cited by 20 publications

References 80 publications

Comparative responses of spiders and plants to maritime heathland restoration

Comparative responses of spiders and plants to maritime heathland restoration

Invasive plants have different effects on trophic structure of green and brown food webs in terrestrial ecosystems: a meta‐analysis

Pattern of seasonal variation in rates of predation between spider families is temporally stable in a food web with widespread intraguild predation

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