4 Works

Cave-adapted evolution in the North American Amblyopsid fishes inferred using phylogenomics and geometric morphometrics

Pamela Hart, Matthew Niemiller, Edward Burress, Jonathan Armbruster, William Ludt & Prosanta Chakrabarty
Cave adaptation has evolved repeatedly across the Tree of Life, famously leading to pigmentation and eye degeneration and loss, yet its macroevolutionary implications remain poorly understood. We use the North American amblyopsid fishes, a family spanning a wide degree of cave adaptation, to examine the impact of cave specialization on the modes and tempo of evolution. We reconstruct evolutionary relationships using ultraconserved element loci, estimate the ancestral histories of eye-state, and examine the impact of...

Pronounced genetic separation among varieties of the Primula cusickiana species complex, a Great Basin endemic

Austin Koontz, William Pearse & Paul Wolf
Distinguishing between populations with strong genetic structure and unique species is a common challenge in systematics, especially for taxa occurring in fragmented habitats where allopatric speciation may be widespread and distinct groups may be morphologically similar. Such is often the case with species complexes across sky island environments. In these scenarios, biogeography may help to explain the taxonomic relations between species complex members, and restriction site-associated DNA (RAD) sequencing methods are commonly used to compare...

The contributions of lightning to biomass turnover, gap formation, and plant mortality in a tropical forest

Evan Gora, Phillip Bitzer, Jeffrey Burchfield, Cesar Gutierrez & Stephen Yanoviak
Lightning is a common source of disturbance, but its ecological effects in tropical forests are largely undescribed. Here we quantify the contributions of lightning strikes to forest turnover and plant mortality in a lowland Panamanian forest using a real-time lightning monitoring system. We examined 2195 lightning-damaged trees distributed among 93 different strikes. None exhibited scars or fires. On average, each strike disturbed 451 m2 (95% CI: 365-545 m2), created canopy gaps of 304 m2 (95%...

Summer land surface temperature from MODIS Aqua and Terra satellites for Houston in 2014 and Phoenix in 2003 at 1km resolution

Gavin Collins, Leiqiu Hu & Matthew Heaton
Satellite remote-sensing is used to collect important atmospheric and geophysical data at various spatial resolutions, providing insight into spatiotemporal surface and climate variability globally. These observations are often plagued with missing spatial and temporal information of Earth’s surface due to (1) cloud cover at the time of a satellite passing and (2) infrequent passing of polar-orbiting satellites. While many methods are available to model missing data in space and time, in the case of land...

Registration Year

  • 2021

Resource Types

  • Dataset


  • University of Alabama in Huntsville
  • Natural History Museum of Los Angeles County
  • The Ohio State University
  • Morton Arboretum
  • University of Louisville
  • Auburn University
  • Smithsonian Tropical Research Institute
  • Imperial College London
  • Brigham Young University
  • Louisiana State University