2017
DOI: 10.1038/s41559-017-0379-0
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Flow regime alteration degrades ecological networks in riparian ecosystems

Abstract: Riverine ecosystems are governed by patterns of temporal variation in river flows. This dynamism will change due to climate change and the near-ubiquitous human control of river flows globally, which may have severe effects on species distributions and interactions. We employed a combination of population modelling and network theory to explore the consequences of possible flow regime futures on riparian plant communities, including scenarios of increased drought, flooding and flow homogenization (removal of f… Show more

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Cited by 213 publications
(130 citation statements)
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“…, Tonkin et al. ), but with a number of important modifications described below. Model implementation followed four major steps: parameterization, simulation, validation, and perturbation analysis.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…, Tonkin et al. ), but with a number of important modifications described below. Model implementation followed four major steps: parameterization, simulation, validation, and perturbation analysis.…”
Section: Methodsmentioning
confidence: 99%
“…, Tonkin et al. ). This community‐wide approach has demonstrated an ability to recover realistic patterns of community dynamics in freshwater ecosystems and shows promise for revealing how species interact under novel environmental conditions.…”
Section: Introductionmentioning
confidence: 99%
“…Anthropogenic flow regime alterations of natural flow regimes through water abstraction and dams involve changes in the intensity, frequency, and seasonal predictability of floods and droughts. These changes can subsequently alter organic matter and sediment transport (Dewson, James, & Death, ; Meador & Carlisle, ), with direct effects on riparian and aquatic biota, such as habitat homogenisation (Belmar, Bruno, Martínez‐Capel, Barquín, & Velasco, ), changes in indicator taxa and ecological traits (Guareschi et al., ), reduced diversity (Bruno, Gutierrez‐Cánovas, Velasco, & Sánchez‐Fernandez, ; Lobera, Muñoz, López‐Tarazón, Vericat, & Batalla, ), and network simplification (Tonkin, Merritt, Olden, Reynolds, & Lytle, ). The ubiquity of flow alteration has led to a recent great interest in understanding aquatic ecosystem response to various types and degrees of flow regime alteration (see reviews by Dewson et al., ; Poff & Zimmerman, ).…”
Section: Introductionmentioning
confidence: 99%
“…This study adds to growing evidence that novel flow regimes can be detrimental to river ecosystem structure and functioning (e.g., Cross et al., ; Kennedy et al., ; Tonkin, Merritt, Olden, Reynolds, & Lytle, )—in this case, by influencing the functional dynamics of the downstream invertebrate metacommunity. Our finding on the synchronizing effect of hydropeaking underscores the need to understand biodiversity responses to flow alteration over space and time (Angeler & Allen, ; Poff, ).…”
Section: Discussionmentioning
confidence: 54%