# Non‐random sampling along rural–urban gradients may reduce reliability of multi‐species farmland bird indicators and their trends

> Research article (Ibis, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3094430083](https://www.wikidata.org/wiki/openalex:W3094430083)  
**Source**: https://4ort.xyz/entity/nonrandom-sampling-along-ruralurban-gradients-may-reduce-reliability-of-multispecies-farmland-bird-indicators-and-their-