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Evaluating the impact of differences in remnant and reconstruction mycorrhizas on performance of conservative prairie plant species Evaluating the impact of differences in remnant and reconstruction mycorrhizas on performance of conservative prairie plant species
This data record contains arbuscular mycorrhizal fungi (AMF) operational taxonomic unit (OTU) occurrences in native prairie plant roots collected from remnant prairies and reconstruction of tallgrass prairies in Minnesota and Iowa, from April-December of 2022. The research aims to improve prairie reconstruction methods using AMF to improve prairie plant performance, species diversity...
Comparing maximum likelihood and Bayesian methods for fitting Hidden Markov Models to multi-state capture recapture data of invasive Silver Carp in the Illinois River Comparing maximum likelihood and Bayesian methods for fitting Hidden Markov Models to multi-state capture recapture data of invasive Silver Carp in the Illinois River
This repository contains the data, code for modeling and analysis, and publication markdown documents for a comparison of various methods for fitting multi-state models, including maximum likelihood and Bayesian approaches via R.
Eastern migratory monarch butterfly population estimates and associated early warning signals (2006-2022) Eastern migratory monarch butterfly population estimates and associated early warning signals (2006-2022)
The long decline of the eastern migratory population of monarch butterflies (Danaus plexippus) appears to have abated in recent years and the population now persists at a much-reduced abundance. Stochastic variation in abundance typical of monarch butterflies, and other insects, places this population at heightened risk of quasi-extinction, a level of abundance below which recovery of...
Diatom Data from Coastal Environments on Montague Island, Alaska Diatom Data from Coastal Environments on Montague Island, Alaska
This dataset consists of fossil diatom counts from sediment cores collected in coastal environments on Montague Island, Alaska, and analyzed at Virginia Tech University.
Atlantic and Gulf Coastal Plains Sediment Thickness (v220517) Atlantic and Gulf Coastal Plains Sediment Thickness (v220517)
This dataset of the elevation of basement and thickness of sediment above the syn- and post-rift unconformity (sediments above being generally Late Cretaceous and younger) was constructed for application to site response models in earthquake hazard analyses. Sediment thickness in meters is provided in zipped csv format on a 0.01-degree grid, and sediment thickness and basement elevation...
Temperature and Discharge Data of Selected Springs at Fort Irwin National Training Center, San Bernardino County, California Temperature and Discharge Data of Selected Springs at Fort Irwin National Training Center, San Bernardino County, California
The characteristics, discharge, and water quality of springs and seeps, at the Fort Irwin National Training Center (NTC) were evaluated during 2015 and 2016. Geophysical, hydrological, and water-quality data were used to help characterize and document a baseline of current (2016) hydrologic conditions and water quality of springs and seeps located on the NTC. Hydrologic methods used in...