# Freshwater microplastic transport update notes

## Scope

This is a bounded historical update search replay, not an exhaustive review. It changes only the publication window from the baseline and covers 2023-01-01 through 2025-12-31.

## Exact OpenAlex retrieval

- Query: freshwater microplastic transport
- Publication dates: 2023-01-01 through 2025-12-31, inclusive
- Work type: article
- Sort: relevance
- Candidate limit: 12
- Abstract request: true; only abstracts actually supplied under the connector license policy were used
- Retrieval time (UTC): 2026-09-16T09:09:19.952Z
- Total matches: 7600
- Candidates returned: 12
- Truncated: true

## Baseline identity

- Library collection: Freshwater Microplastic Transport
- User-reported import result: 7 created, 0 reused, 0 skipped, 0 failed
- Baseline retrieval time (UTC): 2026-09-16T09:04:28.732Z
- Baseline query: freshwater microplastic transport
- Baseline publication dates: 2020-01-01 through 2022-12-31
- Baseline type and sort: article, relevance
- Baseline retained DOI count: 7
- Baseline source JSON SHA-256: 16e129a00d42587a844f652823e6c376674e0baffac2aa4f94465cb02e7d5451

## Comparison

- Retained update records: 7
- Additions: 7
- DOI overlap with baseline: 0
- Exclusions: 5
- Combined unique DOI count: 14
- RIS scope: retained additions only; any baseline overlap is omitted

## Additions

- **Microplastics in freshwater systems: Dynamic behaviour and transport processes** — DOI: 10.1016/j.resconrec.2024.107578; OpenAlex ID: W4394590248; source: https://openalex.org/W4394590248. Reason: Directly reviews dynamic behaviour and transport processes of microplastics in freshwater systems.
- **Microplastics in freshwater and marine ecosystems: Occurrence, characterization, sources, distribution dynamics, fate, transport processes, potential mitigation strategies, and policy interventions** — DOI: 10.1016/j.ecoenv.2025.118036; OpenAlex ID: W4408559267; source: https://openalex.org/W4408559267. Reason: Directly covers freshwater occurrence, distribution dynamics, fate, and transport processes.
- **Microplastic-specific biofilm growth determines the vertical transport of plastics in freshwater** — DOI: 10.1016/j.scitotenv.2023.168399; OpenAlex ID: W4388816486; source: https://openalex.org/W4388816486. Reason: Directly examines vertical transport of plastics in freshwater.
- **Microplastics as carriers of toxic pollutants: Source, transport, and toxicological effects** — DOI: 10.1016/j.envpol.2023.123190; OpenAlex ID: W4390128611; source: https://openalex.org/W4390128611. Reason: Addresses microplastics as carriers and their environmental transport, a mechanism relevant to freshwater systems.
- **Advances in quantifying the drivers of the occurrence, transport, and fate of freshwater microplastics** — DOI: 10.1080/10643389.2024.2380537; OpenAlex ID: W4400891654; source: https://openalex.org/W4400891654. Reason: Directly addresses drivers of freshwater microplastic occurrence, transport, and fate.
- **Microplastic occurrences, transport, and quantification and associated effects on primary productivity and carbon cycling processes in freshwater ecosystems** — DOI: 10.1016/j.trac.2024.117611; OpenAlex ID: W4391983169; source: https://openalex.org/W4391983169. Reason: Directly addresses microplastic occurrence and transport in freshwater ecosystems.
- **A plastic world: A review of microplastic pollution in the freshwaters of the Earth's poles** — DOI: 10.1016/j.scitotenv.2023.161847; OpenAlex ID: W4318069443; source: https://openalex.org/W4318069443. Reason: Reviews freshwater microplastic pollution in polar regions and explicitly considers transport patterns.

## Baseline overlap

- None after normalized DOI comparison.

## Exclusions

- **Microplastics and Nanoplastics in Atheromas and Cardiovascular Events** — DOI: 10.1056/nejmoa2309822; OpenAlex ID: W4392520497; source: https://openalex.org/W4392520497. Excluded: cardiovascular outcomes are the focus, not freshwater microplastic transport.
- **Microplastic sources, formation, toxicity and remediation: a review** — DOI: 10.1007/s10311-023-01593-3; OpenAlex ID: W4362553834; source: https://openalex.org/W4362553834. Excluded: broad review centered on sources, toxicity, health, and remediation without a freshwater transport focus.
- **Microplastics: A Real Global Threat for Environment and Food Safety: A State of the Art Review** — DOI: 10.3390/nu15030617; OpenAlex ID: W4318052506; source: https://openalex.org/W4318052506. Excluded: broad environment and food-safety review without a freshwater transport focus.
- **Microplastics as an Emerging Threat to the Global Environment and Human Health** — DOI: 10.3390/su151410821; OpenAlex ID: W4383911606; source: https://openalex.org/W4383911606. Excluded: broad environmental and human-health review without a freshwater transport focus.
- **The distribution of subsurface microplastics in the ocean** — DOI: 10.1038/s41586-025-08818-1; OpenAlex ID: W4410019287; source: https://openalex.org/W4410019287. Excluded: ocean-only distribution study, outside the freshwater scope.

## Evidence and limitations

Screening used metadata and available license-permitted abstracts only. No full text was inspected, and no findings absent from the supplied metadata/abstracts are inferred. Relevance ranking and total counts may change as OpenAlex is updated. The 12-candidate cap means relevant records may be omitted. Separate date windows were not treated as proof of uniqueness; normalized DOIs were compared explicitly.