نهر

Also known as rivers

مجرى مائي طبيعي

OverviewAI-generated

A river is a subclass of watercourse and a facet of a drainage system. It has water as a part and is partially coincident with a stream. A river is greater than a brook. It is different from Reka.

Rivers have uses including water sport, fishing, boating, and water transport. They are used by watercraft, aquatic organisms, swimmers, and fishers. Model items include Amazon, Yangtze, River Thames, and Congo.

The topic is maintained by WikiProject Rivers, WikiProject Geography, and WikiProject Geology. It has lists of rivers by length, discharge, and continent. Described by sources such as Brockhaus and Efron Encyclopedic Dictionary and Encyclopædia Britannica 11th edition, it is referenced by 10,382 other encyclopedia articles.

Synthesized by Vinony from 25 facts across 3 sources: Wikidata, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Research

155,000 papers

Backwater makes the tributaries of large river becoming phosphorus "sink".ReviewWater research · 2024Cheng B, Zhang Y, Xia R et al.DOI: 10.1016/j.watres.2024.122012
The Urban River Syndrome: Achieving Sustainability Against a Backdrop of Accelerating Change.ReviewInternational journal of environmental research and public health · 2021Richardson M, Soloviev MDOI: 10.3390/ijerph18126406
A river's pulse.Science (New York, N.Y.) · 2023Moutinho SDOI: 10.1126/science.adg4958
Global meta-analysis of river bacterial communities and responses to human activities.Journal of environmental management · 2025Tan Q, Wang X, Xing Y et al.DOI: 10.1016/j.jenvman.2025.127658
Geographic patterns of microbial traits of river basins in China.The Science of the total environment · 2023Xu N, Hu H, Wang Y et al.DOI: 10.1016/j.scitotenv.2023.162070
The biogeographic and genomic signatures of dynamic river networks for terrestrial species in Amazonia.ReviewBiological reviews of the Cambridge Philosophical Society · 2025Musher LJDOI: 10.1111/brv.70042
River water quality management using an integrated multi-objective optimization-simulation approach based on bankruptcy rules.Environmental science and pollution research international · 2024Babamiri O, Dinpashoh YDOI: 10.1007/s11356-023-31603-4
Integrative approaches to river ecosystem assessment and restoration: a review of methodologies and strategies for coherent implementation.ReviewEnvironmental monitoring and assessment · 2026Zhang XB, Huang S, Hu YP et al.DOI: 10.1007/s10661-025-14957-9

via PubMed

Article · العربية

النَّهْر أو النَّهَر (الجمع: أَنْهَار وأَنْهُر ونُهُور ونُهُر) هو مجرى ماء طبيعي واسع ذو ضفتين يجري فيه الماء العذب الناتج عن هطول الأمطار أو المياه النابعة من عيون الأرض أو من مسطحات مائية كالبحيرات. يحدث أشكال الأرض الجيولوجية، وتمتد الأنهار ما بين المنبع والمصب. والمصب قد يكون محيطا أو بحرا أو بحيرة.

Abstract from DBpedia / Wikipedia · CC BY-SA