Mapping functional traits: comparing abundance and presence-absence estimates at large spatial scales

Efforts to quantify the composition of biological communities increasingly focus on functional traits. The composition of communities in terms of traits can be summarized in several ways. Ecologists are beginning to map the geographic distribution of trait-based metrics from various sources of data, but the maps have not been tested against independent data. Using data for birds of the Western Hemisphere, we test for the first time the most commonly used method for mapping community trait composition – overlaying range maps, which assumes that the local abundance of a given species is unrelated to the traits in question – and three new methods that as well as the range maps include varying degrees of information about interspecific and geographic variation in abundance. For each method, and for four traits (body mass, generation length, migratory behaviour, diet) we calculated community-weighted mean of trait values, functional richness and functional divergence. The maps based on species ranges and limited abundance data were compared with independent data on community species composition from the American Christmas Bird Count (CBC) scheme coupled with data on traits. The correspondence with observed community composition at the CBC sites was mostly positive (62/73 correlations) but varied widely depending on the metric of community composition and method used (R2: 5.6×10−7 to 0.82, with a median of 0.12). Importantly, the commonly-used range-overlap method resulted in the best fit (21/22 correlations positive; R2: 0.004 to 0.8, with a median of 0.33). Given the paucity of data on the local abundance of species, overlaying range maps appears to be the best available method for estimating patterns of community composition, but the poor fit for some metrics suggests that local abundance data are urgently needed to allow more accurate estimates of the composition of communities

Generation lengths of the world's birds and their implications for extinction risk

Birds have been comprehensively assessed on the International Union for Conservation of Nature (IUCN) Red List more times than any other taxonomic group. However, to date, generation lengths have not been systematically estimated to scale population trends when undertaking assessments, as required by the criteria of the IUCN Red List. We compiled information from major databases of published life-history and trait data for all birds and imputed missing life-history data as a function of species traits with generalized linear mixed models. Generation lengths were derived for all species, based on our modeled values of age at first breeding, maximum longevity, and annual adult survival. The resulting generation lengths varied from 1.42 to 27.87 years (median 2.99). Most species (61%) had generation lengths <3.33 years, meaning that the period of 3 generations—over which population declines are assessed under criterion A—was <10 years, which is the value used for IUCN Red List assessments of species with short generation times. For these species, our trait-informed estimates of generation length suggested that 10 years is a robust precautionary value for threat assessment. In other cases, however, for whole families, genera, or individual species, generation length had a substantial impact on their estimated extinction risk, resulting in higher extinction risk in long-lived species than in short-lived species. Although our approach effectively addressed data gaps, generation lengths for some species may have been underestimated due to a paucity of life-history data. Overall, our results will strengthen future extinction-risk assessments and augment key databases of avian life-history and trait data

Tapping into non-English-language science for the conservation of global biodiversity.

The widely held assumption that any important scientific information would be available in English underlies the underuse of non-English-language science across disciplines. However, non-English-language science is expected to bring unique and valuable scientific information, especially in disciplines where the evidence is patchy, and for emergent issues where synthesising available evidence is an urgent challenge. Yet such contribution of non-English-language science to scientific communities and the application of science is rarely quantified. Here, we show that non-English-language studies provide crucial evidence for informing global biodiversity conservation. By screening 419,679 peer-reviewed papers in 16 languages, we identified 1,234 non-English-language studies providing evidence on the effectiveness of biodiversity conservation interventions, compared to 4,412 English-language studies identified with the same criteria. Relevant non-English-language studies are being published at an increasing rate in 6 out of the 12 languages where there were a sufficient number of relevant studies. Incorporating non-English-language studies can expand the geographical coverage (i.e., the number of 2° × 2° grid cells with relevant studies) of English-language evidence by 12% to 25%, especially in biodiverse regions, and taxonomic coverage (i.e., the number of species covered by the relevant studies) by 5% to 32%, although they do tend to be based on less robust study designs. Our results show that synthesising non-English-language studies is key to overcoming the widespread lack of local, context-dependent evidence and facilitating evidence-based conservation globally. We urge wider disciplines to rigorously reassess the untapped potential of non-English-language science in informing decisions to address other global challenges. Please see the Supporting information files for Alternative Language Abstracts

SNAPSHOT USA 2019 : a coordinated national camera trap survey of the United States

This article is protected by copyright. All rights reserved.With the accelerating pace of global change, it is imperative that we obtain rapid inventories of the status and distribution of wildlife for ecological inferences and conservation planning. To address this challenge, we launched the SNAPSHOT USA project, a collaborative survey of terrestrial wildlife populations using camera traps across the United States. For our first annual survey, we compiled data across all 50 states during a 14-week period (17 August - 24 November of 2019). We sampled wildlife at 1509 camera trap sites from 110 camera trap arrays covering 12 different ecoregions across four development zones. This effort resulted in 166,036 unique detections of 83 species of mammals and 17 species of birds. All images were processed through the Smithsonian's eMammal camera trap data repository and included an expert review phase to ensure taxonomic accuracy of data, resulting in each picture being reviewed at least twice. The results represent a timely and standardized camera trap survey of the USA. All of the 2019 survey data are made available herein. We are currently repeating surveys in fall 2020, opening up the opportunity to other institutions and cooperators to expand coverage of all the urban-wild gradients and ecophysiographic regions of the country. Future data will be available as the database is updated at eMammal.si.edu/snapshot-usa, as well as future data paper submissions. These data will be useful for local and macroecological research including the examination of community assembly, effects of environmental and anthropogenic landscape variables, effects of fragmentation and extinction debt dynamics, as well as species-specific population dynamics and conservation action plans. There are no copyright restrictions; please cite this paper when using the data for publication.Publisher PDFPeer reviewe

Mammal responses to global changes in human activity vary by trophic group and landscape

Wildlife must adapt to human presence to survive in the Anthropocene, so it is critical to understand species responses to humans in different contexts. We used camera trapping as a lens to view mammal responses to changes in human activity during the COVID-19 pandemic. Across 163 species sampled in 102 projects around the world, changes in the amount and timing of animal activity varied widely. Under higher human activity, mammals were less active in undeveloped areas but unexpectedly more active in developed areas while exhibiting greater nocturnality. Carnivores were most sensitive, showing the strongest decreases in activity and greatest increases in nocturnality. Wildlife managers must consider how habituation and uneven sensitivity across species may cause fundamental differences in human–wildlife interactions along gradients of human influence.Peer reviewe

Tracking data highlight the importance of human-induced mortality for large migratory birds at a flyway scale

Human-induced direct mortality affects huge numbers of birds each year, threatening hundreds of species worldwide. Tracking technologies can be an important tool to investigate temporal and spatial patterns of bird mortality as well as their drivers. We compiled 1704 mortality records from tracking studies across the African-Eurasian flyway for 45 species, including raptors, storks, and cranes, covering the period from 2003 to 2021. Our results show a higher frequency of human-induced causes of mortality than natural causes across taxonomic groups, geographical areas, and age classes. Moreover, we found that the frequency of human-induced mortality remained stable over the study period. From the human-induced mortality events with a known cause (n = 637), three main causes were identified: electrocution (40.5 %), illegal killing (21.7 %), and poisoning (16.3 %). Additionally, combined energy infrastructure-related mortality (i.e., electrocution, power line collision, and wind-farm collision) represented 49 % of all human-induced mortality events. Using a random forest model, the main predictors of human-induced mortality were found to be taxonomic group, geographic location (latitude and longitude), and human footprint index value at the location of mortality. Despite conservation efforts, human drivers of bird mortality in the African-Eurasian flyway do not appear to have declined over the last 15 years for the studied group of species. Results suggest that stronger conservation actions to address these threats across the flyway can reduce their impacts on species. In particular, projected future development of energy infrastructure is a representative example where application of planning, operation, and mitigation measures can enhance bird conservation

Evaluación de problemas emocionales y conductuales, y del funcionamiento familiar en adolescentes con gastritis crónica [Evaluation of emotional, behavioral problems and family functioning in adolescents with chronic gastritis]

PubMed ID: 30869487OBJECTIVES: The aim of the present study was to investigate psychiatric symptoms in adolescents diagnosed as having chronic gastritis, and to evaluate family functioning. METHODS: The population consisted of adolescents who were diagnosed endoscopically and histopathologically as having chronic gastritis without additional chronic disease. The anxiety levels, depression levels, and emotional and behavioral symptoms of the adolescents were measured using the Screen for Child Anxiety Related Emotional Disorders (SCARED), Beck Depression Inventory (BDI), and Strengths and Difficulties Questionnaire (SDQ). Family functioning was evaluated using the Family Assessment Device (FAD). RESULTS: Fifty eight adolescents were included to study. According to the SDQ subscale results, adolescents with gastritis had more problems in emotional, hyperactivity, and peer relations areas, but the results in conduct problems and prosocial behaviors were normal. Levels of all subscales of Family Assessment Device were higher than 2, showing problems in family functioning. CONCLUSIONS: This study suggests that adolescents with chronic gastritis experience more difficulties in peer relations and family functioning, and they express more emotional problems. Sociedad Argentina de Investigación Odontológica.Objetivos. El objetivo de este estudio fue investigar los síntomas psiquiátricos en adolescentes con diagnóstico de gastritis crónica y evaluar el funcionamiento familiar. Métodos. La población estuvo conformada por adolescentes con diagnóstico endoscópico e histopatológico de gastritis crónica sin otra enfermedad crónica adicional.Se midieron los niveles de ansiedad, los niveles de depresión y los síntomas emocionales y conductuales de los adolescentes mediante el cuestionario para trastornos emocionales infantiles relacionados con la ansiedad (Screen for Child Anxiety Related Disorders, SCARED), el inventario de depresión de Beck (Beck Depression Inventory, BDI) y el cuestionario de capacidades y dificultades (Strengths and Difficulties Questionnaire, SDQ). El funcionamiento familiar se evaluó con el instrumento McMaster de evaluación familiar (McMaster Family Assessment Device, FAD). Resultados. Se incluyó a 58 adolescentes en el estudio.Conforme a los resultados de las subescalas del SDQ, los adolescentes con gastritis tenían más trastornos en las dimensiones de problemas emocionales, hiperactividad y relación con los pares, aunque los resultados de problemas conductuales y conducta prosocial fueron normales. En todas las subescalas del instrumento McMaster de evaluación familiar, los puntajes fueron superiores a 2, lo que indica problemas en el funcionamiento familiar. Conclusiones. según este estudio, los adolescentes con gastritis crónica tienen más dificultades en la relación con los pares y en el funcionamiento familiar, y expresan más problemas emocionales

Preparation and evaluation of multipurpose herbal mouthwash for oromucosal diseases

2-s2.0-85073387180Due to the many advantages of herbal sources in medication, in this study, it was aimed to prepare and evaluate an herbal mouthwash formulation that can be useful for the treatment of some oromucosal diseases. For this aim, extracts of Thymus vulgaris L. (Lamiaceae), Pelargonium sidoides DC. (Geraniaceae), Glycyrrhiza glabra L. (Leguminosae), Matricaria chamomilla L. (Compositae), Melissa officinalis L. (Lamiaceae) and Laurus nobilis L. (Lauraceae) were used to prepare two different formulations. Physical parameters, pH, density, stability, in vitro antimicrobial activity and in vitro cytotoxicity studies were used for evaluation of formulations. Between the investigated formulations, the formulation that contains extracts of Thymus vulgaris L. (Lamiaceae), Pelargonium sidoides DC. (Geraniaceae), and Glycyrrhiza glabra L. (Leguminosae), showed good antimicrobial activity with acceptable physical characteristics, pH, density, stability and no cytotoxicity on fibroblast cells. It has been promised in order to create an effective and safe herbal oral mouthwash having multipurpose use for oromucosal diseases and further studies will be planned in terms of long-term stability and clinical studies. © 2019, Colegio de Farmaceuticos de la Provincia de Buenos Aires. All rights reserved

Evaluation of Hypogammaglobulinemia in Chronic Lymphocytic Leukemia Patients and Its Relation to Poor Prognostic Factors

Aim:Chronic lymphocytic leukemia (CLL) is a heterogenous disease with variable clinical course. Rai staging system is used for at least 40 years to predict prognosis and need for treatment but more prognostic factors are needed. Infections have been known to have a significant impact on patients with CLL. It is postulated that hypogammaglobulinemia accounts for the high infection rate. The severity of hypogammaglobulinemia is correlated with disease stage and duration.Methods:Data of patients who were diagnosed with CLL according to the the National Cancer Institute Working Group criteria were analyzed retrospectively. The patients were classified according to absolute lymphocyte count, immunoglobulin (Ig) levels, Rai stage, organomegaly, mass lymphadenopathy, lymphocyte doubling time (LDT), presence of B symptoms and treatment status.Results:We found that low IgA levels were associated with LDT and splenomegaly indicating disease burden and activity. The patients with low IgA and IgM levels received more treatment than others with normal Ig levels.Conclusion:In our study, we could not find a significant relationship between the stage and Ig levels but low IgA and IgM levels were significantly associated with need for treatment. Therefore, we suggest measuring IgA and IgM levels which is a simple and inexpensive test, to predict which patients may need treatment and should be observed closely