Robert N. Fisher
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View article: Longevity, Age‐Specific Survival, and Mean Generation Time of <scp> <i>Rana muscosa</i> </scp> : Implications for Conservation of Possibly the Longest‐Lived Ranid Frog
Longevity, Age‐Specific Survival, and Mean Generation Time of <span> <i>Rana muscosa</i> </span> : Implications for Conservation of Possibly the Longest‐Lived Ranid Frog Open
Life history strategies vary widely among species and play a vital role in extinction risk, especially in a rapidly changing environment. For many taxa, information on life history such as longevity, lifespan, and generation time is incomp…
View article: Genome Resources—A chromosome-Level genome assembly for the long-nosed leopard lizard, <i>Gambelia wislizenii</i>, the first reference genome for the lizard family crotaphytidae
Genome Resources—A chromosome-Level genome assembly for the long-nosed leopard lizard, <i>Gambelia wislizenii</i>, the first reference genome for the lizard family crotaphytidae Open
We report on an annotated chromosome-level genome assembly for the long-nosed leopard lizard, Gambelia wislizenii, as part of the California Conservation Genomics Project (CCGP). All seventeen species of reptiles, including two turtles, se…
View article: A chromosome-level reference genome assembly for Gilbert’s skink <i>Plestiodon gilberti</i>
A chromosome-level reference genome assembly for Gilbert’s skink <i>Plestiodon gilberti</i> Open
Advances in genomic studies are revealing that gene flow between species is more frequent than previously understood, although the ways in which hybridization can bias gene flow across species boundaries or the extent to which introgressio…
View article: Vulnerability of an Endangered Amphibian to Climate‐Change Induced Hydrologic Change
Vulnerability of an Endangered Amphibian to Climate‐Change Induced Hydrologic Change Open
Climate change significantly affects precipitation patterns at multiple scales, which influences river and other hydrologic flow regimes. However, the impacts of climate‐driven changes to hydrologic regimes on the vulnerability of species …
View article: Independent and interactive effects of disease and methylmercury on demographic rates across multiple amphibian populations
Independent and interactive effects of disease and methylmercury on demographic rates across multiple amphibian populations Open
Disease, alone or combined with other stressors such as habitat loss and contaminants, affects wildlife populations worldwide. However, interactions among stressors and how they affect demography and populations remain poorly understood. T…
View article: Terrestrial mammal diversity at Hansen Dam (Los Angeles, California, USA): flood control area acts as habitat in a human-dominated landscape
Terrestrial mammal diversity at Hansen Dam (Los Angeles, California, USA): flood control area acts as habitat in a human-dominated landscape Open
Urban expansion is a prominent threat to biodiversity, particularly for terrestrial mammals, which are significantly impacted by disruptions in habitat connectivity and loss. It can also lead to increased human‑wildlife conflicts tha…
View article: Wake Atoll vessel movement biosecurity program efficacy
Wake Atoll vessel movement biosecurity program efficacy Open
View article: Biodiversity surveys of Wake Atoll—Featuring field guides for plants, arthropods, and herpetofauna
Biodiversity surveys of Wake Atoll—Featuring field guides for plants, arthropods, and herpetofauna Open
View article: Amphibian richness, rarity, threats, and conservation prospects across the U.S. National Park System
Amphibian richness, rarity, threats, and conservation prospects across the U.S. National Park System Open
We assessed amphibian diversity, rarity, and threats across the National Park System (U.S.A.), which covers 3.5% of the country and 12% of federal lands. At least 230 of 354 (65%) amphibian species documented in the country occur on Nation…
View article: Quantification of threats to bats at localized spatial scales for conservation and management
Quantification of threats to bats at localized spatial scales for conservation and management Open
In a rapidly changing world, where species conservation needs vary by local habitat, concentrated conservation efforts at small spatial scales can be critical. Bats provide an array of value to the ecosystems they inhabit; many bat species…
View article: Population Viability Analysis for Two Species of Imperiled Freshwater Turtles
Population Viability Analysis for Two Species of Imperiled Freshwater Turtles Open
View article: Conservation genetics of the endangered California Freshwater Shrimp (Syncaris pacifica): watershed and stream networks define gene pool boundaries
Conservation genetics of the endangered California Freshwater Shrimp (Syncaris pacifica): watershed and stream networks define gene pool boundaries Open
Understanding genetic structure and diversity among remnant populations of rare species can inform conservation and recovery actions. We used a population genetic framework to spatially delineate gene pools and estimate gene flow and effec…
View article: Editorial: Amphibian and reptile road ecology
Editorial: Amphibian and reptile road ecology Open
View article: Publisher Correction: A Dataset of Amphibian Species in U.S. National Parks
Publisher Correction: A Dataset of Amphibian Species in U.S. National Parks Open
View article: Correction: Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods
Correction: Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods Open
View article: Long‐term occupancy monitoring reveals value of moderate disturbance for an open‐habitat specialist, the Stephens' kangaroo rat ( <i>Dipodomys stephensi</i> )
Long‐term occupancy monitoring reveals value of moderate disturbance for an open‐habitat specialist, the Stephens' kangaroo rat ( <i>Dipodomys stephensi</i> ) Open
For species of conservation concern, long‐term monitoring is vital to properly characterize changes in population distribution and abundance over time. In addition, long‐term monitoring guides management decisions by informing and evaluati…
View article: Aerial identification and quantification of nesting sites of Golden Eagle (Aquila chrysaetos) in the mountain ranges of central Baja California Peninsula, Mexico
Aerial identification and quantification of nesting sites of Golden Eagle (Aquila chrysaetos) in the mountain ranges of central Baja California Peninsula, Mexico Open
Aerial census for identification and quantification of nesting sites of Golden Eagle was performed through the mountain ranges of the central Baja California Peninsula, Mexico from 5 to 8 April 2021. We identified a total of 113 nests and …
View article: A Dataset of Amphibian Species in U.S. National Parks
A Dataset of Amphibian Species in U.S. National Parks Open
View article: Understanding and Predicting Disease Dynamics for an Endangered Amphibian Using Long-Term Surveys of Wild and Translocated Frogs
Understanding and Predicting Disease Dynamics for an Endangered Amphibian Using Long-Term Surveys of Wild and Translocated Frogs Open
View article: Chromosome-Level Genome Assembly of the Blacktail Brush Lizard,<i>Urosaurus nigricaudus</i>, Reveals Dosage Compensation in an Endemic Lizard
Chromosome-Level Genome Assembly of the Blacktail Brush Lizard,<i>Urosaurus nigricaudus</i>, Reveals Dosage Compensation in an Endemic Lizard Open
Urosaurus nigricaudus is a phrynosomatid lizard endemic to the Baja California Peninsula in Mexico. This work presents a chromosome-level genome assembly and annotation from a male individual. We used PacBio long reads and HiRise scaffoldi…
View article: Broad-Scale Assessment of Methylmercury in Adult Amphibians
Broad-Scale Assessment of Methylmercury in Adult Amphibians Open
Mercury (Hg) is a toxic contaminant that has been mobilized and distributed worldwide and is a threat to many wildlife species. Amphibians are facing unprecedented global declines due to many threats including contaminants. While the bipha…
View article: Corrigendum: Impacts of a non-indigenous ecosystem engineer, the American beaver (Castor canadensis), in a biodiversity hotspot
Corrigendum: Impacts of a non-indigenous ecosystem engineer, the American beaver (Castor canadensis), in a biodiversity hotspot Open
CORRECTION article Front. Conserv. Sci., 17 October 2023Sec. Animal Conservation Volume 4 - 2023 | https://doi.org/10.3389/fcosc.2023.1269778
View article: Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods
Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods Open
Insights from conservation genomics have dramatically improved recovery plans for numerous endangered species. However, most taxa have yet to benefit from the full application of genomic technologies. The mountain yellow-legged frog specie…
View article: Interactions among rainfall, fire, forbs and non-native grasses predict occupancy dynamics for the endangered Pacific pocket mouse (Perognathus longimembris pacificus) in a Mediterranean-type ecosystem
Interactions among rainfall, fire, forbs and non-native grasses predict occupancy dynamics for the endangered Pacific pocket mouse (Perognathus longimembris pacificus) in a Mediterranean-type ecosystem Open
It is important to understand species-habitat relationships to implement effective adaptive management for rare species. However, it can be challenging to assess habitat associations and their relationships to abiotic stressors in dynamic …
View article: Native amphibian toxin reduces invasive crayfish feeding with potential benefits to stream biodiversity
Native amphibian toxin reduces invasive crayfish feeding with potential benefits to stream biodiversity Open
Background Biodiversity is generally reduced when non-native species invade an ecosystem. Invasive crayfish, Procambarus clarkii , populate California freshwater streams, and in the Santa Monica Mountains (Los Angeles, USA), their introduc…
View article: A reference genome assembly for the continentally distributed ring-necked snake<i>, Diadophis punctatus</i>
A reference genome assembly for the continentally distributed ring-necked snake<i>, Diadophis punctatus</i> Open
Snakes in the family Colubridae include more than 2,000 currently recognized species, and comprise roughly 75% of the global snake species diversity on Earth. For such a spectacular radiation, colubrid snakes remain poorly understood ecolo…
View article: Fecal metabarcoding of the endangered Pacific pocket mouse (<i>Perognathus longimembris pacificus</i>) reveals a diverse and forb rich diet that reflects local habitat availability
Fecal metabarcoding of the endangered Pacific pocket mouse (<i>Perognathus longimembris pacificus</i>) reveals a diverse and forb rich diet that reflects local habitat availability Open
Information on diet breadth and preference can assist in understanding links between food resources and population growth and inform habitat restoration for rare herbivores. We assessed the diet of the endangered Pacific pocket mouse using…
View article: A genome assembly for the southern Pacific rattlesnake, <i>Crotalus oreganus helleri</i>, in the western rattlesnake species complex
A genome assembly for the southern Pacific rattlesnake, <i>Crotalus oreganus helleri</i>, in the western rattlesnake species complex Open
Rattlesnakes play important roles in their ecosystems by regulating prey populations, are involved in complex coevolutionary dynamics with their prey, and exhibit a variety of unusual adaptations, including maternal care, heat-sensing pit …
View article: Elevated road segment (ERS) passage design may provide enhanced connectivity for amphibians, reptiles, and small mammals
Elevated road segment (ERS) passage design may provide enhanced connectivity for amphibians, reptiles, and small mammals Open
Introduction Designs for safe and effective road crossing structures for small animals are typically under-road microtunnels and culverts which have varying levels of effectiveness reported in the scientific literature. Many species, parti…
View article: Taxonomic reassessment of the Little pocket mouse, Perognathus longimembris (Rodentia, Heteromyidae) of southern California and northern Baja California
Taxonomic reassessment of the Little pocket mouse, Perognathus longimembris (Rodentia, Heteromyidae) of southern California and northern Baja California Open
The Little pocket mouse ( Perognathus longimembris ) encompasses 15 to 16 currently recognized subspecies, six of which are restricted to southern California and adjacent northern Baja California. Using cranial geomorphometric shape parame…