It is impossible to count all the plants in a habitat, so a sample is taken. A quadrat is often used to sample plants. It marks off an exact area so that the plants in that area can be identified and ...

It is impossible to find and count all the animals in an area. You can get an idea of the variety and number by taking a sample. Pitfall traps are often used to sample the small invertebrates living ...

Microscopic plant parts such as pollen grains and small seeds, systematically and carefully secured from archaeological sites, can significantly increase our understanding of prehistoric man and his ...

Meat is a highly perishable product. Many methods have been developed for evaluating microbial quality of meats; however, surface sampling is one of the easiest methods to perform, especially in field ...

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. Rachel Musiime, IAEA Department of Nuclear Sciences and ...

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. Large Sample Neutron Activation Analysis (LSNAA), a ...

Introduction / William L Thompson -- PART ONE: OVERVIEW AND BASIC CONCEPTS -- Sampling rare populations / Lyman L. McDonald -- Separating components of detection probability in abundance estimation: ...

Single-cell gene expression and spatial transcriptomics technologies are allowing researchers to uncover the full richness of the brain’s cellular and structural complexity. However, neuroscience ...