Effects of riparian vegetation removal on the functional feeding group structure of benthic macroinvertebrate assemblages

Ono, Erika Ramos; Manoel, Pedro Sartori; Melo, Ana Liz Uchida; Uieda, Virgínia Sanches

doi:10.1007/s42974-020-00014-7

Cited by 17 publications

(10 citation statements)

References 49 publications

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“…Land use can transform landscapes and alter species composition, ultimately changing the trophic structure of freshwater environments [38,60], however, here, the forest cover (a proxy for land use) did not change the composition of zooplankton functional guilds, as expected. On the other hand, the distribution of zooplankton functional guilds in Amazon streams was determined by local environmental variables related to the feeding strategies (canopy cover, suspended solids, and phosphorus), corroborating our second hypothesis.…”

Section: Discussionsupporting

confidence: 65%

How are zooplankton’s functional guilds influenced by land use in Amazon streams?

Bomfim,

Deosti,

Louback-Franco

et al. 2023

PLoS ONE

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Amazon streams present great biodiversity and offer several ecosystem services, but these systems are threatened by multiple land uses. The changes created by land use are expected to drive the composition of species, ultimately changing the trophic relationships of several biological groups, including zooplankton. We investigated if land use changes the composition of zooplankton functional guilds in Amazon streams and which are the local (physical-chemical) variables driving the zooplankton functional guilds in the land-use gradient. Zooplankton and physical-chemical variables were sampled in 17 water bodies in the municipality of Barcarena, Pará, Brazil in 2018 and 2019, five sampling sites were in the Pará River and 12 in streams. Forest cover (a proxy for land use) was determined through digital image processing and converted in percentage. Zooplankton species were classified into five functional guilds (filter, raptorial, scraper, suctor, and predator feeders). We recorded 98 zooplankton taxa and filters were the most abundant functional guild. The composition of zooplankton functional guilds did not change in the land use gradient. However, the distribution of zooplankton functional guilds in Amazon streams was determined by local environmental variables related to the feeding strategies. Scraper-feeders (cladocerans) were positively related to greater canopy cover, suctor-feeders and predator-feeders (both rotifers) were related to greater total phosphorus, whereas filter-feeders (rotifers, cladocerans, and copepods) and raptorial (copepods) were related to total suspended solids. This study brings new information about zooplankton in Amazon streams that are under-studied. The functional approach clarifies the patterns observed and reflects the trophic relationships in which the zooplankton community is involved in streams under a degree of land use, i.e., scraper-cladocerans can represent more preserved streams under greater canopy cover, whereas the other functional guilds were related to variables that can represent more altered streams.

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Section: Discussionsupporting

confidence: 65%

How are zooplankton’s functional guilds influenced by land use in Amazon streams?

Bomfim,

Deosti,

Louback-Franco

et al. 2023

PLoS ONE

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“…Many factors shape stream benthic assemblages over space and time, including instream habitat suitability (Roy et al 2003); flow regimes (Buchanan et al 2013); water quality, such as nutrients (Matthaei et al 2010) or salinity levels (Wallace and Biastoch 2016); riparian conditions (Ono et al 2020); food resources, temperature, and climate (Piggott et al 2012); landscape connectivity (Brown et al 2018); and the occurrence and prevalence of toxic contaminants, such as pesticides (Nowell et al 2018). Almost all of these factors can be altered by urban and suburban development (Paul and Meyer 2001, Moore and Palmer 2005, Waite et al 2019, and many of these factors may need to be considered when designing stormwater facilities to provide protection against changes to benthic stream assemblages.…”

Section: Stormwater Facilities May Provide Streams Some Protection Fr...mentioning

confidence: 99%

Lessons learned from 20 y of monitoring suburban development with distributed stormwater management in Clarksburg, Maryland, USA

et al. 2022

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Urban development is a well-known stressor for stream ecosystems, presenting a challenge to managers tasked with mitigating its effects. For the past 20 y, streamflow, water quality, geomorphology, and benthic communities were monitored in 5 watersheds in Montgomery County, Maryland, USA. This study presents a synthesis of multiple studies of monitoring efforts in the study area and new analysis of more recent monitoring data to document the primary lessons learned from monitoring. The monitored watersheds include a forested control, an urban control with centralized stormwater management, and 3 suburban treatment watersheds featuring low-impact development and a high density of infiltrationfocused stormwater facilities distributed across the watershed. Treatment watersheds were monitored before development, during construction, and after development. Monitoring was initiated to inform adaptive management of stormwater and impervious cover limits within the study area, with a focus on the impacts of distributed stormwater management. Results from our synthesis indicate that distributed stormwater management is advantageous compared with centralized stormwater management in numerous ways. Hydrologic benefits were greater with distributed stormwater infrastructure, demonstrating the ability to mitigate runoff volumes and peak flows and, for small storms, replicate predevelopment conditions. Baseflow temporarily increased during the construction phase in the treatment watersheds. Water-quality benefits were mixed, with declines in baseflow nitrate concentrations but limited changes to nitrate export and increases in specific conductance after development. Substantial topographic changes occurred during construction in the treatment watersheds, including changes within the riparian zone, despite riparian buffer protections. Ecological monitoring indicated that even though index of biotic integrity scores rebounded in some cases, sensitive benthic macroinvertebrate families did not fully recover in the treatment watersheds. Lessons learned from this synthesis highlight the

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“…Snails can be considered scrapers or shredders as they feed on periphyton algae and contribute to leaf litter breakdown in freshwater ecosystems (Tanaka et al, 2006). As observed in other tropical streams, the subfamily Tanypodinae is reported as a predator that is more abundant in streams with riparian vegetation or partially absent and feeds on living animal tissue (Ono et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

No effects of macroconsumer exclusion on macroinvertebrate functional composition in Brazilian karst streams along a gradient of riparian forest loss

Corrêa,

Utz,

Ribas

et al. 2024

Biotropica

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Degradation and loss of riparian vegetation are some of the main drivers of change in the trophic interactions among aquatic macroconsumers. These changes can often have major consequences for biodiversity and stream ecosystem functioning. Yet, many aspects of food‐web dynamics are still not well understood, including how food webs among tropical streams respond to riparian vegetation loss. We examined the role of macroconsumers on community structure of functional feeding groups of benthic macroinvertebrates along a forest cover gradient within the Bodoquena Plateau, Brazil. We compared the effect of excluding macroconsumers (using electric fences) on functional feeding groups to those in controls within seven karst streams along a gradient of riparian vegetation cover. Aquatic insect and gastropod communities were dominated by groups of collector‐gatherers, scrapers, and predators across all sites. The exclusion of macroconsumers did not lead to an increase in the abundance of macroinvertebrates and was not affected by the forest cover during the experiment. These findings demonstrated that the experimental exclusion of macroconsumers resulted in a lack of or negligible effect on functional feeding groups along the gradient of forest cover. It is important to consider the specificity of trophic relationships to fully understand the effects of vegetation loss on streams where complex groundwater hydrology can also affect food webs such as in karst terrain.Abstract in Portuguese is available with online material.

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Effects of riparian vegetation removal on the functional feeding group structure of benthic macroinvertebrate assemblages

Cited by 17 publications

References 49 publications

How are zooplankton’s functional guilds influenced by land use in Amazon streams?

How are zooplankton’s functional guilds influenced by land use in Amazon streams?

Lessons learned from 20 y of monitoring suburban development with distributed stormwater management in Clarksburg, Maryland, USA

No effects of macroconsumer exclusion on macroinvertebrate functional composition in Brazilian karst streams along a gradient of riparian forest loss

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