Evidence map›Paper›PMID 34580544›Full record

ArticleBiological conservation2021

Effects of the COVID-19 pandemic on noise pollution in three protected areas in metropolitan Boston (USA).

Carina Terry, Matthew Rothendler, Lucy Zipf, Michael C Dietze, Richard B Primack

Abstract read
In one paragraph

Article in Biological conservation, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Assessment of Noise Exposure in United States Urban Public Parks: A Scoping Review.International journal of environmental research and public health · 2025
    Article
  3. Article
  4. Article
  5. Sons al Balcó: A Comparative Analysis of WASN-BasedSensors (Basel, Switzerland) · 2024
    Article
  6. Article
  7. Article
  8. Remote work: Aircraft noise implications, prediction, and management in the built environment.Applied acoustics. Acoustique applique. Angewandte Akustik · 2022
    Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Carina TerryDepartment of Earth and Environment, Boston University, 685 Commonwealth Ave, Boston, MA 02215, United States of America.
Matthew RothendlerDepartment of Biology, Boston University, 5 Cummington Mall, Boston, MA 02215, United States of America.
Lucy ZipfDepartment of Biology, Boston University, 5 Cummington Mall, Boston, MA 02215, United States of America.
Michael C DietzeDepartment of Earth and Environment, Boston University, 685 Commonwealth Ave, Boston, MA 02215, United States of America.
Richard B PrimackDepartment of Biology, Boston University, 5 Cummington Mall, Boston, MA 02215, United States of America.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Noise pollution can reduce the ability of urban protected areas to provide a refuge for people and habitat for wildlife. Amidst an unprecedented global pandemic, it is unknown if the changes in human activity have significantly impacted noise pollution in metropolitan parks. We tested the hypothesis that reduced human activity associated with the COVID-19 pandemic lockdowns would lead to reduced sound levels in protected areas compared with non-pandemic times. We measured sound levels in three urban protected areas in metropolitan Boston, MA (USA) at three time periods: in the fall and summer before the pandemic, immediately after the government-imposed lockdown in March 2020 when the trees were leafless, and during the beginning of reopening in early June 2020 when the trees had leaves. At all time periods, sound levels were highest near major roads and demonstrated a logarithmic decrease further from roads. At the two protected areas closest to the city center, sound levels averaged 1-3 dB lower during the time of the pandemic lockdown. In contrast, at the third protected area, which is transected by a major highway, sound levels were 4-6 dB higher during the time of the pandemic, likely because reduced traffic allowed vehicles to travel faster and create more noise. This study demonstrates that altered human levels of activity, in this case associated with the COVID-19 pandemic, can have major, and in some cases unexpected, effects on the levels of noise pollution in protected areas.

Indexed as

COVID-19Noise pollutionProtected areasSoundUrban park

Identifiers

PMID34580544
PMCPMC8457652

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.