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165 real negative results, null findings, and replication failures in Environmental Science · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessEnvironmental Science

Regional models do not outperform continental models for invasive species

Catherine S. Jarnevich, Helen R. Sofaer, Pairsa Belamaric et al. · 2022 · NeoBiota

Aim : Species distribution models can guide invasive species prevention and management by characterizing invasion risk across space. However, extrapolation and transferability issues pose challenges for developing useful models for invasive species. Previous work has emphasized the importance of including all available occurrences in model estimation, but managers attuned to local processes may be skeptical of models based on a broad spatial extent if they suspect the captured responses reflect those of other regions where data are more numerous. We asked whether species distribution models fo

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Negative / Null Result ReportOpen accessEnvironmental Science

Predicting microbial community structure and temporal dynamics by using graph neural network models

Kasper Skytte Andersen, Kai Zhao, Alexander de Linde Agerskov et al. · 2025 · Nature Communications

Understanding species-level abundance dynamics in complex microbial communities is key to managing microbial ecosystems, yet it remains a major challenge. In wastewater treatment plants (WWTPs), the presence and abundance of…

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Negative / Null Result ReportOpen accessEnvironmental Science

Metagenomic comparison of effects of mesophilic and thermophilic manure anaerobic digestion on antimicrobial resistance genes and mobile genetic elements

Daniel Flores-Orozco, David B. Levin, Ayush Kumar et al. · 2023 · Environmental Advances

This study evaluated the long-term effects of mesophilic (MAD) and thermophilic (TAD) anaerobic digestion on the fate and evolution of antimicrobial resistance genes (ARGs) and mobile genetic elements (MGEs) in cattle manure following a…

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Negative / Null Result ReportOpen accessEnvironmental Science

Determining sources of groundwater salinity in the multi-layered aquifer system of the bengal delta, Bangladesh

Anwar Zahid, Md. Aminur Rahman, M. Rashidul Hassan et al. · 2026 · BRAC University Journal

The study area lies on the coastal belt of the Bengal Delta, southern Bangladesh. This study bas been condocted to deteonine salinity sources in the multi-layered aquifers of the Bengal Delta. Dissolved major ions including chloride (Cr) and brontide (Br) were measured in groundwater of the coastal areas of Bangladesh to assess the source(s) of salinity. Ionic concentrations of 48 groundwater samples were analyzed for this study; samples were collected from observation wells installed at different depths down to 336 m. The major ion trends of the upper (<200 m deep) Sodium (Na')-Chloride (C

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Negative / Null Result ReportOpen accessEnvironmental Science

Low molecular weight organic acids mobilize soil organic phosphorus for enzymatic hydrolysis in a temperate montane peatland

Yuchen Suo, Tong Li, Christian von Sperber et al. · 2025 · Biogeochemistry

Abstract The stability of carbon (C) stocks in peatlands is intricately linked to phosphorus (P) bioavailability. Given that organic P compounds (P o ) can make up to 89% of total soil P in these ecosystems, it is vital to understand their role in regulating plant productivity and organic matter decomposition. Despite this significance, the mechanisms controlling P bioavailability remain poorly understood. Plants and soil microorganisms primarily regulate the release of soil P via low-molecular-weight organic acids (LMWOAs) and modulate the hydrolysis of P o through phosphatase enzymes, partic

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Negative / Null Result ReportEnvironmental Science

Temporal variation in survival and recovery rates of lesser scaup: A response

Todd W. Arnold, Alan D. Afton, Michael J. Anteau et al. · 2017 · Journal of Wildlife Management

ABSTRACT We recently analyzed long‐term (1951–2011) continental band‐recovery data from lesser scaup ( Aythya affinis ) and demonstrated that harvest rates declined through time, but annual survival rates exhibited no such trends;…

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Negative / Null Result ReportOpen accessEnvironmental Science

Ecosystem integration of marine conservation and coastal development in Taiwan

Y C Shih · 2026 · Frontiers in Environmental Science

To assess the systematic integration of Marine Spatial Planning (MSP) and Other Effective Area-Based Conservation Measures (OECMs) into Taiwan’s coastal and marine governance frameworks to balance marine conservation and coastal development. The study adopts a comparative mixed-methods design that combines quantitative statistical analysis of spatial and ecological-economic data with qualitative policy analysis of the two selected governance frameworks. The comparative aspect of the research design explores the performance of multiple hub cases across temporal, spatial and multimodal aspects,

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Negative / Null Result ReportOpen accessEnvironmental Science

Dynamic electronic modulation of single-atom Fe sites with p-block metal coordination enables highly selective generation of FeIV = O in Fenton-like reactions

Zhendong Zhao, Huiwang Dai, Tiantian Nie et al. · 2025 · Nature Communications

High-valent iron-oxo species (FeIV=O) have garnered increasing attention for water purification, while the selective generation of FeIV = O in Fenton-like reactions still lacks an effective control protocol at the atomic level. Here, we…

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Negative / Null Result ReportOpen accessEnvironmental Science

Both species richness and growth forms affect nutrient removal in constructed wetlands: A mesocosm experiment

Yumei Luo, Quan Chen, Fan Liu et al. · 2023 · Frontiers in Ecology and Evolution

Introduction Plant richness is thought to improve the function of constructed wetlands (CWs), but most CWs are planted with monocultures, with only a few employed polycultures, which have drawn contradictory conclusions. We suppose functional diversity is the key to better performance of plant communities and hypothesize that CWs planted with diverse growth forms are superior in plant growth and nutrient removal. Methods In this study, six emergent plant species categorized into slender type ( Schoenoplectus tabernaemontani, Typha orientalis ), fan type ( Iris sibirica, Acorus calamus ) and la

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Negative / Null Result ReportOpen accessEnvironmental Science

Dynamic oxygen vacancy engineering on CuO via refreshable catalytic surface for high-efficient water decontamination

Xinyi Zhang, Liangjie Wang, Jian Wei et al. · 2026 · Nature Communications

Oxygen vacancies (Ov) on metal oxide surfaces exhibit high catalytic activity for activating peroxymonosulfate (PMS) in wastewater decontamination, yet their in-situ regeneration remains a significant challenge. This study successfully…

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Negative / Null Result ReportOpen accessEnvironmental Science

Subbasin Spatial Scale Effects on Hydrological Model Prediction Uncertainty of Extreme Stream Flows in the Omo Gibe River Basin, Ethiopia

Bahru M. Gebeyehu, Asie k. Jabir, Getachew Tegegne et al. · 2023 · Remote Sensing

Quantification of hydrologic model prediction uncertainty for various flow quantiles is of great importance for water resource planning and management. Thus, this study is designed to assess the effect of subbasin spatial scale on the hydrological model prediction uncertainty for different flow quantiles. The Soil Water Assessment Tool (SWAT), a geographic information system (GIS) interfaced hydrological model, was used in this study. Here, the spatial variations within the sub-basins of the Omo Gibe River basin in Ethiopia’s Abelti, Wabi, and Gecha watersheds from 1989 to 2020 were examined.

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Negative / Null Result ReportOpen accessEnvironmental Science

Early COVID-19 Interventions Failed to Replicate 1918 St. Louis vs. Philadelphia Outcomes in the United States

Aliea M. Jalali, Brent M. Peterson, Thushara Galbadage · 2020 · Frontiers in Public Health

The Coronavirus disease 2019 (COVID-19) pandemic has elicited an abrupt pause in the United States in multiple sectors of commerce and social activity. As the US faces this health crisis, the magnitude and rigor of their initial public health response was unprecedented. As a response, the entire nation shutdown at the state-level for the duration of a ~1-3 months. These public health interventions, however, were not arbitrarily decided, but rather, implemented as a result of evidence-based practices. These practices were a result of lessons learned during the 1918 influenza pandemic and the ci

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Negative / Null Result ReportOpen accessEnvironmental Science

Obesity and climate change: co-crises with common solutions

Paul Behrens, Catherine M. Champagne, Jason C. G. Halford et al. · 2025 · Frontiers in Science

The global obesity crisis involves an unprecedented and rapid change to the human phenotype. Conferring vast levels of avoidable morbidity and mortality at enormous cost, it has proved refractory to previous policy-led action. This article reviews recent developments in our understanding of obesity and its links to the climate co-crisis, aiming to inform evidence-based, societal-level actions to address both. Recent therapeutic developments now offer transformative interventions for millions of people living with obesity. However, treating all affected adults and children with major bariatric

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Negative / Null Result ReportEnvironmental Science

Influence of Hook Size and Style on Short-Term Survival of Deeply Hooked Bluegills

Justin J. Robert, Sarah M. Larocque, Steven J. Cooke · 2012 · North American Journal of Fisheries Management

Abstract Catch and release is a common practice among recreational anglers. In instances when fish are deeply hooked, the proper techniques for promoting survival are poorly understood, although evidence suggests that the fishing line…

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