Search Results - "Iwan Jones, J."
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The future of biotic indices in the ecogenomic era: Integrating (e)DNA metabarcoding in biological assessment of aquatic ecosystems
Published in The Science of the total environment (01-10-2018)“…The bioassessment of aquatic ecosystems is currently based on various biotic indices that use the occurrence and/or abundance of selected taxonomic groups to…”
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Warming alters the metabolic balance of ecosystems
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (12-07-2010)“…The carbon cycle modulates climate change, via the regulation of atmospheric CO2, and it represents one of the most important services provided by ecosystems…”
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Do microplastics mediate the effects of chemicals on aquatic organisms?
Published in Aquatic toxicology (01-01-2022)“…•The evidence available to date does not support assertions that microplastics mediate the toxicity of chemicals.•Hydrophobicity of chemicals, as log KOW, may…”
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Small Water Bodies in Great Britain and Ireland: Ecosystem function, human-generated degradation, and options for restorative action
Published in The Science of the total environment (15-12-2018)“…Small, 1st and 2nd-order, headwater streams and ponds play essential roles in providing natural flood control, trapping sediments and contaminants, retaining…”
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Separating natural from human enhanced methane emissions in headwater streams
Published in Nature communications (01-07-2022)“…Headwater streams are natural sources of methane but are suffering severe anthropogenic disturbance, particularly land use change and climate warming. The…”
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Ecological networks -beyond food webs
Published in The Journal of animal ecology (2009)“…1. A fundamental goal of ecological network research is to understand how the complexity observed in nature can persist and how this affects ecosystem…”
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Seasonal feeding plasticity can facilitate coexistence of dominant omnivores in Neotropical streams
Published in Reviews in fish biology and fisheries (01-06-2021)“…Coexistence of ecomorphologically similar species in diverse Neotropical ecosystems has been a focus of long-term debate among ecologists and evolutionary…”
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The structure and functionality of communities and food webs in streams along the epigean–hypogean continuum: unifying ecological stoichiometry and metabolic theory of ecology
Published in Aquatic sciences (01-10-2021)“…Subterranean streams represent unique heterotrophic ecosystems, usually supported by organic matter imported from the surface. Traditionally, the biological…”
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A small number of anadromous females drive reproduction in a brown trout (Salmo trutta) population in an English chalk stream
Published in Freshwater biology (01-07-2016)“…Summary Brown trout, Salmo trutta, exhibit one of the most highly variable and polytypic life‐history strategies of all salmonids. Populations may be wholly…”
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Key Questions for Next-Generation Biomonitoring
Published in Frontiers in environmental science (09-01-2020)“…Classical biomonitoring techniques have focused primarily on measures linked to various biodiversity metrics and indicator species. Next-generation…”
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Back to the future: using palaeolimnology to infer long-term changes in shallow lake food webs
Published in Freshwater biology (01-03-2010)“…Summary 1. Shallow lakes are often cited as classic examples of systems that exhibit trophic cascades but, whilst they provide good model systems with which to…”
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Does the Fish-Invertebrate-Periphyton Cascade Precipitate Plant Loss in Shallow Lakes?
Published in Ecology (Durham) (01-08-2003)“…Alternative equilibria dominated by either submerged plants or phytoplankton have been described for communities in shallow lakes. A nutrient-mediated increase…”
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Consequences of inferring diet from feeding guilds when estimating and interpreting consumer–resource stoichiometry
Published in Freshwater biology (01-07-2014)“…Imbalances between the supply of elements from resources and their demand from consumers may constrain key ecological processes, such as growth and production…”
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Advancing the use of molecular methods for routine freshwater macroinvertebrate biomonitoring – the need for calibration experiments
Published in Metabarcoding and Metagenomics (11-07-2019)“…Over the last decade, steady advancements have been made in the use of DNA-based methods for detection of species in a wide range of ecosystems. This progress…”
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Interaction Strengths in Food Webs: Issues and Opportunities
Published in The Journal of animal ecology (01-05-2004)“…1. Recent efforts to understand how the patterning of interaction strength affects both structure and dynamics in food webs have highlighted several obstacles…”
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Biological barriers to restoration: testing the biotic resistance hypothesis in an upland stream recovering from acidification
Published in Hydrobiologia (01-09-2016)“…The biotic resistance hypothesis provides one of several explanations for the limited biological recovery of streams recovering chemically from acidification…”
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Nutrient availability and the carnivorous habit in Utricularia vulgaris
Published in Freshwater biology (01-03-2007)“…1. Carnivory in plants is thought to enhance growth through an increased supply of nutrients, although there are considerable costs involved. It has been…”
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Combined stable isotope and gut contents analysis of food webs in plant-dominated, shallow lakes
Published in Freshwater biology (01-08-2003)“…Summary 1. To determine feeding links between primary producers, invertebrates and fish, stable isotope analyses and gut content analyses of fish were…”
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Microplastic pollution and nutrient enrichment shift the diet of freshwater macroinvertebrates
Published in Environmental pollution (1987) (15-10-2024)“…Microplastic pollution poses a global threat to freshwater ecosystems, with laboratory experiments indicating potential toxic impacts through chemical…”
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Implementation options for DNA-based identification into ecological status assessment under the European Water Framework Directive
Published in Water research (Oxford) (01-07-2018)“…Assessment of ecological status for the European Water Framework Directive (WFD) is based on “Biological Quality Elements” (BQEs), namely phytoplankton,…”
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