Impact of exotic pastures on epigeic arthropod diversity and contribution of native and exotic plant sources to their diet in the central Brazilian savanna

Pompermaier, Vinicius Tirelli; Kisaka, Tiago Borges; Ribeiro, Juliana Fernandes; Nardoto, Gabriela Bielefeld

doi:10.1016/j.pedobi.2019.150607

Cited by 16 publications

(6 citation statements)

References 37 publications

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“…PAS show less impact on soil fauna when they are introduced in savanna-type vegetation and when compared to more intensive management systems (Pompermaier et al, 2020), corroborating with results found in this work. This was probably due to the absence of animals and/ or machinery for two years prior to collection as shown in Table 2.…”

Section: /8supporting

confidence: 90%

Epigean fauna in no-till systems, pasture, eucalyptus and native savanna in Uruçuí, Piauí, Brazil

Gualberto

Cunha

Vogado

et al. 2021

Agraria

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The soil fauna is one of the bioindicators of soil quality that has greater sensitivity, being easily altered by changes that occur in natural and agricultural ecosystems. The objective of this work was to evaluate the density and diversity of the soil macrofauna and the functional groups of the epigeal macrofauna that are most representative in no-tillage, pasture, eucalyptus cultivation and native savanna systems in Uruçuí, Piauí, Brazil. Five soil management systems were used: pasture (PAS); no tillage soybean in corn straw (NT1); no tillage of corn under straw of mombaça grass (NT2); eucalyptus (EUC), in addition to a savanna area used as a reference (FA). Fauna collection was performed using pitfall traps containing 4% formaldehyde. The fauna was evaluated by the number of individuals per trap per day, wealth, average wealth, Shannon's diversity index and Pielou's uniformity index. The data was subjected to analysis of variance, and when significant, was subjected to the Friedman test. The pasture system had the least impact on edaphic fauna when compared to native savanna forest and when compared to management systems and the collembola, orthoptera and diptera groups were the most abundant in the studied management systems.

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Section: /8supporting

confidence: 90%

Epigean fauna in no-till systems, pasture, eucalyptus and native savanna in Uruçuí, Piauí, Brazil

Gualberto

Cunha

Vogado

et al. 2021

Agraria

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“…Revegetated areas often exist as "habitat islands" surrounded by intensively managed pastures or crops. Dispersal-constrained invertebrates and microbes can struggle to recolonize these habitat islands due to unfavorable microclimatic and biotic conditions of pastures (Pompermaier et al, 2020;Strickland et al, 2017).…”

Section: Box 1 Rewilding Litter Invertebrates and Microbes To Improve...mentioning

confidence: 99%

Rewilding with invertebrates and microbes to restore ecosystems: Present trends and future directions

Contos

Wood

Murphy

et al. 2021

Ecology and Evolution

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“…So far, this hypothesis has been mostly restricted to woodland rangelands and here we provide evidence to extend this hypothesis to grassdominated ecosystems. Last, we found that larger species tended to negatively respond to artificial pastures which might be related to the higher food requirements of big species that are not met in homogeneous and artificial habitats (e.g., Pompermaier et al, 2020).…”

Section: Discussionmentioning

confidence: 88%

Bird species responses to rangeland management in relation to their traits: Rio de la Plata Grasslands as a case study

Aldabe,

Morán‐López,

Soca

et al. 2023

Ecological Applications

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Areas used for livestock production and dominated by native grasses represent a unique opportunity to reconcile biodiversity conservation and livestock production. However, limited knowledge of individual species’ responses to rangeland management restricts our capacity to design grazing practices that favor endangered species and other priority birds. In this work, we applied Hierarchical Modelling of Species Communities (HMSC) to study individual species responses, as well as the influence of traits on such responses, to variables related to rangeland management using birds of the Rio de la Plata Grasslands as a case study. Based on presence–absence data collected in 454 paddocks across 46 ranches we inferred the response of 69 species considering imperfect detection. This degree of detail fills a major gap in rangeland management, as species‐level responses can be used to achieve targeted conservation goals other than maximizing richness or abundance. We found that artificial pastures had an overall negative impact on many bird species, whereas the presence of tussocks had a positive effect, including all threatened species. Grassland specialists were in general sensitive to grass height and tended to respond positively to tussocks but negatively to tree cover. Controlling grass height via adjustments in stocking rate can be a useful tool to favor grassland specialists. To favor a wide range of bird species in ranches, a mosaic of short and tall native grasslands with patches of tussocks and trees is desirable. We also found that species‐specific responses were modulated by their traits: small‐sized birds responded positively to tussocks and tree cover while large species responded negatively to increasing grass height. Ground foragers preferred short grass while birds that scarcely use this stratum were not affected by grass height. Results on the influence of traits on bird responses are an important novelty in relation to previous work in rangelands and potentially increase our predicting capacity and model transferability across grassland regions.

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Impact of exotic pastures on epigeic arthropod diversity and contribution of native and exotic plant sources to their diet in the central Brazilian savanna

Cited by 16 publications

References 37 publications

Epigean fauna in no-till systems, pasture, eucalyptus and native savanna in Uruçuí, Piauí, Brazil

Epigean fauna in no-till systems, pasture, eucalyptus and native savanna in Uruçuí, Piauí, Brazil

Rewilding with invertebrates and microbes to restore ecosystems: Present trends and future directions

Bird species responses to rangeland management in relation to their traits: Rio de la Plata Grasslands as a case study

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