The representativeness and spatial bias of volunteered geographic information: a review

G Zhang, AX Zhu - Annals of GIS, 2018 - Taylor & Francis
Many applications of volunteered geographic information (VGI) involve inferring the
properties of the underlying population from a sample consisting of VGI observations, ie VGI …

Mapping species distributions with MAXENT using a geographically biased sample of presence data: a performance assessment of methods for correcting sampling …

Y Fourcade, JO Engler, D Rödder, J Secondi - PloS one, 2014 - journals.plos.org
MAXENT is now a common species distribution modeling (SDM) tool used by conservation
practitioners for predicting the distribution of a species from a set of records and …

Where is positional uncertainty a problem for species distribution modelling?

B Naimi, NAS Hamm, TA Groen, AK Skidmore… - …, 2014 - Wiley Online Library
Species data held in museum and herbaria, survey data and opportunistically observed data
are a substantial information resource. A key challenge in using these data is the uncertainty …

The total operating characteristic to measure diagnostic ability for multiple thresholds

RG Pontius Jr, K Si - International Journal of Geographical …, 2014 - Taylor & Francis
The relative operating characteristic (ROC) is a popular statistical method to measure the
association between observed and diagnosed presence of a characteristic. The diagnosis of …

A novel citizen science approach for large-scale standardised monitoring of bat activity and distribution, evaluated in eastern England

SE Newson, HE Evans, S Gillings - Biological Conservation, 2015 - Elsevier
In many countries, bats have high conservation prioritisation owing to their trophic position,
habitat associations and threat level, and many have dedicated management plans …

A new phytogeographic map for the Southwest Australian Floristic Region after an exceptional decade of collection and discovery

P Gioia, SD Hopper - Botanical Journal of the Linnean Society, 2017 - academic.oup.com
After an 11-year period of exceptional specimen acquisition, we evaluated the robustness of
the Western Australian Herbarium Specimen Database in elucidating patterns of diversity …

Importance of data selection and filtering in species distribution models: A case study on the Cantabrian brown bear

A Zarzo‐Arias, V Penteriani, L Gábor, P Šímová… - …, 2022 - Wiley Online Library
Species distribution models (SDMs) are powerful tools in ecology and conservation.
Choosing the right environmental drivers and filtering species' occurrences taking their …

A framework of observer-based biases in citizen science biodiversity monitoring: Semi-structuring unstructured biodiversity monitoring protocols

O Arazy, D Malkinson - Frontiers in Ecology and Evolution, 2021 - frontiersin.org
Citizen science, whereby ordinary citizens participate in scientific endeavors, is widely used
for biodiversity monitoring, most commonly by relying on unstructured monitoring …

The feasibility of counting songbirds using unmanned aerial vehicles

AM Wilson, J Barr, M Zagorski - The Auk: Ornithological …, 2017 - academic.oup.com
Obtaining unbiased survey data for vocal bird species is inherently challenging due to
observer biases, habitat coverage biases, and logistical constraints. We propose that …

A Geographic Assessment of the Global Scope for Rewilding with Wild-Living Horses (Equus ferus)

PJ Naundrup, JC Svenning - PloS one, 2015 - journals.plos.org
Megafaunas worldwide have been decimated during the late Quaternary. Many extirpated
species were keystone species, and their loss likely has had large effects on ecosystems …