Richard D. Stevens
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View article: Forest Guardians: The Role of Dense Forests and Water Networks in Supporting Lowland Tapir ( <i>Tapirus terrestris</i> ) Populations in the Orinoquia Region of Colombia
Forest Guardians: The Role of Dense Forests and Water Networks in Supporting Lowland Tapir ( <i>Tapirus terrestris</i> ) Populations in the Orinoquia Region of Colombia Open
The lowland tapir ( Tapirus terrestris ) is a megaherbivore integral to ecosystem functioning in South America's tropical landscapes but is increasingly threatened by habitat loss and fragmentation. This study assessed occupancy, detectabi…
View article: Extending mammal specimens with their essential phenotypic traits
Extending mammal specimens with their essential phenotypic traits Open
Natural history collections are repositories of biodiversity specimens that provide critical infrastructure for studies of mammals. Over the past 3 decades, digitization of collections has opened up the temporal and spatial properties of s…
View article: The Relationship between Grinnellian and Eltonian Niche Characteristics and Passerine Distribution across a Latitudinal Gradient
The Relationship between Grinnellian and Eltonian Niche Characteristics and Passerine Distribution across a Latitudinal Gradient Open
The degree to which Grinnellian and Eltonian niche characteristics influence species distribution may depend on latitude. Tropical regions are environmentally stable and resource-rich, whereas temperate regions are comparatively less envir…
View article: Disentangling genetic diversity of <i>Myotis septentrionalis</i>: population structure, demographic history, and effective population size
Disentangling genetic diversity of <i>Myotis septentrionalis</i>: population structure, demographic history, and effective population size Open
Myotis septentrionalis (Northern Long-eared Bat) has recently suffered a >90% decline in population size in North America due to white-nose syndrome (WNS). We assessed genetic diversity, population structure, current effective populatio…
View article: Efficacy of remote sensing technologies for burrow count estimates of a rare kangaroo rat
Efficacy of remote sensing technologies for burrow count estimates of a rare kangaroo rat Open
Effective management of rare species requires an understanding of spatial variation in abundance, which is challenging to estimate. We tested the efficacy of high‐resolution imagery to detect burrows of the Texas kangaroo rat (TKR; Dipodom…
View article: Comparison of organic eggplant yields under open-field and high tunnel production systems in Texas
Comparison of organic eggplant yields under open-field and high tunnel production systems in Texas Open
High tunnel (HT) vegetable cultivation stands out as a superior choice when compared to open field (OF) production due to its numerous production benefits. However, intensive cultivation practices involving excessive use of inorganic ferti…
View article: Updated distribution of the Texas kangaroo rat (Dipodomys elator) and patterns of rodent species associations from county road surveys in Texas
Updated distribution of the Texas kangaroo rat (Dipodomys elator) and patterns of rodent species associations from county road surveys in Texas Open
The Texas kangaroo rat ( Dipodomys elator ) is a rare species of conservation interest at both the state and federal level. Therefore, an updated understanding of distribution and abundance of D. elator is critical for initiating informed …
View article: Insights into mammalian TE diversity through the curation of 248 genome assemblies
Insights into mammalian TE diversity through the curation of 248 genome assemblies Open
We examined transposable element (TE) content of 248 placental mammal genome assemblies, the largest de novo TE curation effort in eukaryotes to date. We found that although mammals resemble one another in total TE content and diversity, t…
View article: Insights into mammalian TE diversity via the curation of 248 mammalian genome assemblies
Insights into mammalian TE diversity via the curation of 248 mammalian genome assemblies Open
We examined transposable element (TE) content of 248 placental mammal genome assemblies, the largest de novo TE curation effort in eukaryotes to date. We find that while mammals resemble one another in total TE content and diversity, they …
View article: Comparison of genetic variation between rare and common congeners of Dipodomys with estimates of contemporary and historical effective population size
Comparison of genetic variation between rare and common congeners of Dipodomys with estimates of contemporary and historical effective population size Open
Species with low effective population sizes are at greater risk of extinction because of reduced genetic diversity. Such species are more vulnerable to chance events that decrease population sizes (e.g. demographic stochasticity). Dipodomy…
View article: Unraveling the <i>Myotis</i> Morass: Ultraconserved-Element Analysis Reveals Introgression, Cryptic Diversity, and Taxonomic Trouble in the Most Species-rich Bat Genus
Unraveling the <i>Myotis</i> Morass: Ultraconserved-Element Analysis Reveals Introgression, Cryptic Diversity, and Taxonomic Trouble in the Most Species-rich Bat Genus Open
Using sequences from 2615 UCE loci and multiple methodologies we inferred phylogenies for the largest genetic dataset of New World Myotis to date. The resulting phylogenetic trees were populated with short branch lengths and widespread con…
View article: Taxonomic and functional components of avian metacommunity structure along an urban gradient
Taxonomic and functional components of avian metacommunity structure along an urban gradient Open
Identifying biological processes that structure natural communities has long interested ecologists. Community structure may be determined by various processes, including differential responses of species to environmental characteristics, r…
View article: Habitat Associations of Overwintering Bats in Managed Pine Forest Landscapes
Habitat Associations of Overwintering Bats in Managed Pine Forest Landscapes Open
Research Highlights: Seasonal variation in environmental conditions coinciding with reproductive and energetic demands might result in seasonal differences in species-specific habitat use. We studied a winter assemblage of insectivorous ba…
View article: Back Cover: Diets Containing Egg or Whey Protein and Inulin Fiber Improve Energy Balance and Modulate Gut Microbiota in Exercising Obese Rats
Back Cover: Diets Containing Egg or Whey Protein and Inulin Fiber Improve Energy Balance and Modulate Gut Microbiota in Exercising Obese Rats Open
Mol. Nutr. Food Res. 2022, 66, 202100653 DOI: 10.1002/mnfr.202100653 High protein diets containing egg or whey protein, together with inulin fiber and exercise, improved energy balance in obese rats by decreasing food intake partly through…
View article: Environmental Seasonality Regulates Community Evenness in Neotropical Bat Communities
Environmental Seasonality Regulates Community Evenness in Neotropical Bat Communities Open
Evenness is a key community property that provides insights into resource acquisition and ecosystem functioning. However, it is unclear how other community properties influence evenness after integrating the effect of environmental gradien…
View article: SINE-Based Phylogenomics Reveal Extensive Introgression and Incomplete Lineage Sorting in Myotis
SINE-Based Phylogenomics Reveal Extensive Introgression and Incomplete Lineage Sorting in Myotis Open
Using presence/absence data from over 10,000 Ves SINE insertions, we reconstructed a phylogeny for 11 Myotis species. With nearly one-third of individual Ves gene trees discordant with the overall species tree, phylogenetic conflict appear…
View article: <scp>NeoBat</scp> Interactions: A data set of bat–plant interactions in the <scp>Neotropics</scp>
<span>NeoBat</span> Interactions: A data set of bat–plant interactions in the <span>Neotropics</span> Open
Data papers and open databases have revolutionized contemporary science, as they provide the long‐needed incentive to collaborate in large international teams and make natural history information widely available. Nevertheless, most data p…
View article: Environmental seasonality regulates community evenness in neotropical bat communities
Environmental seasonality regulates community evenness in neotropical bat communities Open
Supplementary Material 1. List of sites and their descriptors. We selected sites below 1000 m.a.s.l., that had a sampling effort greater than 10000 m2.h (sampling effort calculated following Straube and Bianconi 2002) and a sampling covera…
View article: The North American Beaver (Castor canadensis) is Recolonizing the Llano Estacado
The North American Beaver (Castor canadensis) is Recolonizing the Llano Estacado Open
Five millennia ago, the North American Beaver (Castor canadensis) was extirpated from the Southern High Plains by droughts. Beaver were found to be largely absent from the Llano Estacado, despite exhaustive search efforts. Here we report t…
View article: Comparison of genetic variation between rare and common congeners of<i>Dipodomys</i>with estimates of contemporary and historical effective population size
Comparison of genetic variation between rare and common congeners of<i>Dipodomys</i>with estimates of contemporary and historical effective population size Open
Organisms with low effective population sizes are at greater risk of extinction because of reduced genetic diversity. Dipodomys elator is a kangaroo rat that is classified as threatened in Texas and field surveys from the past 50 years ind…
View article: Cotton cultivar response to potassium fertilizer application in Texas’ southern high plains
Cotton cultivar response to potassium fertilizer application in Texas’ southern high plains Open
Cotton ( Gossypium hirsutum L.) and potassium (K) dynamics are not well understood particularly in soils with high K levels. Potassium is important for cotton reproductive development as it influences the number, size, and weight of bolls …
View article: Seasonal use of bridges as day-roosts by bats in the Trans-Pecos of Texas
Seasonal use of bridges as day-roosts by bats in the Trans-Pecos of Texas Open
Bats commonly use highway infrastructure as day- or night-roosts. Nonetheless, little is known regarding how regularly bats use these structures or whether they do so only on a seasonal basis. We surveyed 13 parallel box beam bridges along…
View article: Temporal-dependent effects of DNA degradation on frozen tissues archived at −80°C
Temporal-dependent effects of DNA degradation on frozen tissues archived at −80°C Open
Frozen tissues, associated with natural history and biological collections, historically have been archived at temperatures between −20°C and −80°C. More recently, the availability of liquid nitrogen systems has enabled the storage of tiss…
View article: Dietary patterns of phyllostomid bats in interior Atlantic Forest of eastern Paraguay
Dietary patterns of phyllostomid bats in interior Atlantic Forest of eastern Paraguay Open
We examined patterns of dietary overlap of phyllostomid bats in interior Atlantic Forest of Paraguay. In addition, we examined microgeographic, seasonal, and species-specific, differences in dietary patterns. We obtained 4,519 dietary reco…
View article: Flavor, Tenderness, and Related Chemical Changes of Aged Beef Strip Loins
Flavor, Tenderness, and Related Chemical Changes of Aged Beef Strip Loins Open
Varying aging times and methods were evaluated for their effect on flavor, tenderness, and related changes involatile compounds and flavor precursors. Strip loin sections from USDA Choice beef carcasses (n = 38) were randomly assigned to t…
View article: A systematic revision of the bats (Chiroptera) of Honduras: an updated checklist with corroboration of historical specimens and new records
A systematic revision of the bats (Chiroptera) of Honduras: an updated checklist with corroboration of historical specimens and new records Open
During the last century, survey efforts for mammals in Honduras have been few and most distributional and conservation assessments of bats have been based on historical records. Taxonomy of many records has changed. Moreover, a number of s…
View article: A High-Quality Reference Genome Assembly of the Saltwater Crocodile, Crocodylus porosus, Reveals Patterns of Selection in Crocodylidae
A High-Quality Reference Genome Assembly of the Saltwater Crocodile, Crocodylus porosus, Reveals Patterns of Selection in Crocodylidae Open
Crocodilians are an economically, culturally, and biologically important group. To improve researchers’ ability to study genome structure, evolution, and gene regulation in the clade, we generated a high-quality de novo genome assembly of …
View article: Fragmented tropical forests lose mutualistic plant–animal interactions
Fragmented tropical forests lose mutualistic plant–animal interactions Open
Aim Forest fragmentation is among the principal causes of global biodiversity loss, yet how it affects mutualistic interactions between plants and animals at large spatial scale is poorly understood. In particular, tropical forest regenera…