A.B. Johnson
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View article: Long-term assessment of resilience of avian assemblages following a major hurricane
Long-term assessment of resilience of avian assemblages following a major hurricane Open
Strong tropical cyclones directly devastate forest habitats and indirectly affect forest-dependent animals. Many forecast models suggest cyclone intensity and size will increase as a result of climate change, and cyclone frequency also may…
View article: Extraordinary levels of per- and polyfluoroalkyl substances (PFAS) in vertebrate animals at a New Mexico desert oasis: multiple pathways for wildlife and human exposure
Extraordinary levels of per- and polyfluoroalkyl substances (PFAS) in vertebrate animals at a New Mexico desert oasis: multiple pathways for wildlife and human exposure Open
Per- and polyfluoroalkyl substances (PFAS) threaten human and wildlife health, but their movement through food webs remains poorly understood. Contamination of the physical environment is widespread, but particularly concentrated at milita…
View article: Advancing surrogate-rearing methods to enhance southern sea otter recovery
Advancing surrogate-rearing methods to enhance southern sea otter recovery Open
Recovery of wildlife and their ecosystems may require enhancement of vulnerable populations through human intervention. As a southern sea otter (Enhydra lutris nereis) enhancement strategy, surrogate rearing and releasing of stranded orpha…
View article: Southern Sea Otter Rehabilitation: Lessons and Impacts from the Monterey Bay Aquarium
Southern Sea Otter Rehabilitation: Lessons and Impacts from the Monterey Bay Aquarium Open
As biodiversity continues to decline across the globe, conservation of wildlife species and the ecosystems they inhabit is more important than ever. When species dwindle, ecosystems that depend on them are also impacted, often leading to a…
View article: Postradioiodine Graves' management: The PRAGMA study
Postradioiodine Graves' management: The PRAGMA study Open
Objective Thyroid status in the months following radioiodine (RI) treatment for Graves' disease can be unstable. Our objective was to quantify frequency of abnormal thyroid function post‐RI and compare effectiveness of common management st…
View article: The Respect Wildlife Campaign: A collaborative effort to reduce human disturbance to California’s coastal wildlife
The Respect Wildlife Campaign: A collaborative effort to reduce human disturbance to California’s coastal wildlife Open
2015; Murray et al. 2019). For a time, the boon of ecotourism seemed an irreproachable alternative to the extractive exploitation of wildlife, and many communities derived benefits by preserving living, thriving natural areas and encouragi…
View article: Blood variation implicates respiratory limits on elevational ranges of Andean birds
Blood variation implicates respiratory limits on elevational ranges of Andean birds Open
The extent to which species ranges reflect intrinsic physiological tolerances is a major, unsolved question in evolutionary ecology. To date, consensus has been hindered by the limited tractability of experimental approaches across most of…
View article: Contrasting drivers of diversity in hosts and parasites across the tropical Andes
Contrasting drivers of diversity in hosts and parasites across the tropical Andes Open
Significance Interactions between hosts and parasites can reciprocally limit the ranges of individual species. But to what extent do they affect composition of communities? In the Andean biodiversity hot spot, we tested why host and parasi…
View article: Extreme and variable torpor among high-elevation Andean hummingbird species
Extreme and variable torpor among high-elevation Andean hummingbird species Open
Torpor is thought to be particularly important for small endotherms occupying cold environments and with limited fat reserves to fuel metabolism, yet among birds deep torpor is both rare and variable in extent. We investigated torpor in hu…
View article: Detecting turnover among complex communities using null models: A case study with sky-island haemosporidian parasites
Detecting turnover among complex communities using null models: A case study with sky-island haemosporidian parasites Open
Turnover in species composition between sites, or beta diversity, is a critical component of species diversity that is typically influenced by geography, environment, and biotic interactions. Quantifying turnover is particularly challengin…
View article: Supplementary Methods and Table S1 from Extreme and variable torpor among high-elevation Andean hummingbird species
Supplementary Methods and Table S1 from Extreme and variable torpor among high-elevation Andean hummingbird species Open
Torpor is thought to be particularly important for small endotherms occupying cold environments and with limited fat reserves to fuel metabolism, yet among birds deep torpor is both rare and variable in extent. We investigated torpor in hu…
View article: Surrogate rearing a keystone species to enhance population and ecosystem restoration
Surrogate rearing a keystone species to enhance population and ecosystem restoration Open
Translocation and rehabilitation programmes are critical tools for wildlife conservation. These methods achieve greater impact when integrated in a combined strategy for enhancing population or ecosystem restoration. During 2002–2016 we re…
View article: NOTES ON THE NEST, BREEDING SEASON, AND ELEVATIONAL RANGE OF A RARE HUMMINGBIRD, THE PURPLE-BACKED SUNBEAM (AGLAEACTIS ALICIAE)
NOTES ON THE NEST, BREEDING SEASON, AND ELEVATIONAL RANGE OF A RARE HUMMINGBIRD, THE PURPLE-BACKED SUNBEAM (AGLAEACTIS ALICIAE) Open
The breeding biology and phenology of the endangered hummingbird Purple-backed Sunbeam (Aglaeactis aliciae) are not well known. We report observations of nesting A. aliciae near El Molino, in La Libertad Department, Peru. On 11 March 2018,…
View article: Predicting Outcomes Following Laparoscopic Adjustable Gastric Banding Surgery: Weight Loss versus Improved Perceptions of Appearance
Predicting Outcomes Following Laparoscopic Adjustable Gastric Banding Surgery: Weight Loss versus Improved Perceptions of Appearance Open
Background: The number of overweight individuals continues to rise; some of these individuals require bariatric surgery to assist weight loss. In order to determine which individuals are most likely to benefit from surgery there is a need …
View article: Gaps in kelp cover may threaten the recovery of California sea otters
Gaps in kelp cover may threaten the recovery of California sea otters Open
Despite more than a century of federal protection, the California sea otter Enhydra lutris nereis remains threatened under the U.S. Endangered Species Act (ESA), and the population has not appreciably expanded its range in two decades. Her…
View article: Peer Review #3 of "Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests (v0.1)"
Peer Review #3 of "Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests (v0.1)" Open
Avian malaria and related haemosporidian parasites (genera Haemoproteus, Plasmodium, and Leucocytozoon) affect bird demography, species range limits, and community structure, yet they remain unsurveyed in most bird communities and populati…
View article: Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests
Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests Open
Avian malaria and related haemosporidian parasites (genera Haemoproteus , Plasmodium , and Leucocytozoon ) affect bird demography, species range limits, and community structure, yet they remain unsurveyed in most bird communities and popul…
View article: Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests
Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests Open
Avian malaria and related haemosporidian parasites (genera Haemoproteus , Plasmodium , and Leucocytozoon ) affect bird demography, species range limits, and community structure, yet they remain unsurveyed in most bird communities and popul…
View article: Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests
Diversity, abundance, and host relationships of avian malaria and related haemosporidians in New Mexico pine forests Open
Avian malaria and related haemosporidian parasites (genera Haemoproteus , Plasmodium , and Leucocytozoon ) affect bird demography, species range limits, and community structure, yet they remain unsurveyed in most bird communities and popul…
View article: Diversity, abundance, and host relationships in the avian malaria community of New Mexico pine forests
Diversity, abundance, and host relationships in the avian malaria community of New Mexico pine forests Open
Avian malaria parasites (genera Haemoproteus , Plasmodium , and Leucocytozoon ) affect bird demography, distribution limits, and community structure, yet most bird communities and populations remain unsurveyed. We conducted a community-lev…
View article: A Qualitative Longitudinal Exploration of the Lived Experience of Laparoscopic Adjustable Gastric Banding Surgery
A Qualitative Longitudinal Exploration of the Lived Experience of Laparoscopic Adjustable Gastric Banding Surgery Open
Objectives: In the United Kingdom, laparoscopic adjustable gastric banding (LAGB) surgery is an option for obese individuals who meet the National Institute for Health and Clinical Excellence criteria.Despite the many benefits of LAGB, the…
View article: Once-Daily Liraglutide Versus Lixisenatide as Add-on to Metformin in Type 2 Diabetes: A 26-Week Randomized Controlled Clinical Trial
Once-Daily Liraglutide Versus Lixisenatide as Add-on to Metformin in Type 2 Diabetes: A 26-Week Randomized Controlled Clinical Trial Open
OBJECTIVE To compare the efficacy and safety of liraglutide versus lixisenatide as add-on to metformin in patients with type 2 diabetes not achieving adequate glycemic control on metformin alone. RESEARCH DESIGN AND METHODS In this 26-week…
View article: Pregnancy after weight loss surgery: a commentary
Pregnancy after weight loss surgery: a commentary Open
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View article: The Importance of Dog Ownership
The Importance of Dog Ownership Open
Gastric banding (GB) is considered an option to support weight loss for individuals who are unable to lose weight through diet and exercise alone. Exercise is an important element of maintaining gradual weight loss following GB. Dog walkin…