This paper reports how three field sampling methods performed in different rooms and on different surface types and how they compare using two different metrics of concentration (μg/g) and loading (μg ...

This is a preview. Log in through your library . Abstract Changes in forest resources have been estimated in a variety of ways. This paper focuses on extensive forest surveys rather than on ...

1. Monitoring red fox Vulpes vulpes abundance is necessary to assess the status and management of this species and to understand predator-prey relationships. Spotlight counts are most often used for ...

The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important. Fresh ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. This publication, edited by Stéfan Arnórsson, is designed ...