We need to talk about nonprobability samples

RJ Boyd, GD Powney, OL Pescott - Trends in Ecology & Evolution, 2023 - cell.com
In most circumstances, probability sampling is the only way to ensure unbiased inference
about population quantities where a complete census is not possible. As we enter the era of …

Imperfect detection and its consequences for monitoring for conservation

M Kéry, B Schmidt - Community Ecology, 2008 - akjournals.com
Biodiversity monitoring is important to identify conservation needs and test the efficacy of
management actions. Variants of “abundance”(N) are among the most widely monitored …

Sufficient sampling for asymptotic minimum species richness estimators

A Chao, RK Colwell, CW Lin, NJ Gotelli - Ecology, 2009 - Wiley Online Library
Biodiversity sampling is labor intensive, and a substantial fraction of a biota is often
represented by species of very low abundance, which typically remain undetected by …

Uncertainty in biological monitoring: a framework for data collection and analysis to account for multiple sources of sampling bias

V Ruiz‐Gutierrez, MB Hooten… - Methods in Ecology …, 2016 - Wiley Online Library
Biological monitoring programmes are increasingly relying upon large volumes of citizen‐
science data to improve the scope and spatial coverage of information, challenging the …

Descriptive inference using large, unrepresentative nonprobability samples: An introduction for ecologists

RJ Boyd, GB Stewart, OL Pescott - Ecology, 2024 - Wiley Online Library
Biodiversity monitoring usually involves drawing inferences about some variable of interest
across a defined landscape from observations made at a sample of locations within that …

Accounting for preferential sampling in species distribution models

MG Pennino, I Paradinas, JB Illian… - Ecology and …, 2019 - Wiley Online Library
Species distribution models (SDM s) are now being widely used in ecology for management
and conservation purposes across terrestrial, freshwater, and marine realms. The increasing …

Optimizing future biodiversity sampling by citizen scientists

CT Callaghan, AGB Poore… - … of the Royal …, 2019 - royalsocietypublishing.org
We are currently in the midst of Earth's sixth extinction event, and measuring biodiversity
trends in space and time is essential for prioritizing limited resources for conservation. At the …

Dealing with false‐positive and false‐negative errors about species occurrence at multiple levels

G Guillera‐Arroita, JJ Lahoz‐Monfort… - Methods in Ecology …, 2017 - Wiley Online Library
Accurate knowledge of species occurrence is fundamental to a wide variety of ecological,
evolutionary and conservation applications. Assessing the presence or absence of species …

Estimates from non‐replicated population surveys rely on critical assumptions

J Knape, F Korner‐Nievergelt - Methods in Ecology and …, 2015 - Wiley Online Library
N‐mixture and occupancy models are often used to account for non‐detections in
population surveys. The consensus has been that the methods require data that are …

Improving precision and reducing bias in biological surveys: estimating false‐negative error rates

AJ Tyre, B Tenhumberg, SA Field… - Ecological …, 2003 - Wiley Online Library
The use of presence/absence data in wildlife management and biological surveys is
widespread. There is a growing interest in quantifying the sources of error associated with …