677 research outputs found

    Reconciling just preservation

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    Treves et al.ā€™s target article can play an important role in reconciling the needs of future generations and non-human animals in conservation. Human capacities are adequate for interpreting and defining many non-human animal needs. Worldviews are more complex, however, and conservation science, like the target article itself, suffers from a lack of diversity and inclusiveness. This may pose practical impediments to realizing just preservation

    Community Variation of Gastrointestinal Parasites Found in Urban and Rural Coyotes (Canis latrans) of Calgary, Alberta

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    We compared parasite variation in coyote feces collected in eight urban sites within Calgary, Alberta, to those in six rural sites outside the city limits. Four hundred and sixty fresh fecal samples (\u3c 4 days old) were collected weekly between July 2009 and June 2010. Fecal flotation analysis identified parasites to the level of genus. We calculated parasite richness, diversity, and evenness. Parasite richness was significantly greater in rural than urban sites. Disparities in the parasite community included a significant variation in parasite richness, diversity, and evenness among rural and urban sites. Toxascaris leonina and Cystoisospora spp. were shared among all urban sites, while these species in addition to Taenia-like spp. and Trichuris spp. were shared among all rural sites. Both urban and rural sites yielded evidence of Toxocara canis, Taenia-like spp., and Giardia spp., which are potential zoonotic parasites. Toxocara canis was at highest prevalence in a core urban site, Inglewood Wildlands, which exhibits unique biotic and abiotic characteristics. Factors of exposure to parasites, such as diet, behavior, and environmental factors, are suggested to be most influential on variation in urban and rural coyote parasitism. We suggest coyotes are an important focal species for further research in urban disease ecology, due to the resilient nature of the carnivore and its propensity to co-exist with people and domestic animals

    Credibility, accuracy, and comprehensiveness of readily available internet-based information on treatment and management of peripheral artery disease and intermittent claudication: review

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    BACKGROUND: Peripheral artery disease (PAD) affects millions of people worldwide, and a core component of management of the condition is self-management. The internet is an important source of health information for many people. However, the content of websites regarding treatment recommendations for PAD has not been fully evaluated. OBJECTIVE: This study aimed to assess the credibility, accuracy, and comprehensiveness of websites found via a common search engine, by comparing the content to current guidelines for treatment and management of PAD and intermittent claudication (IC). METHODS: A review of websites from hospitals, universities, governments, consumer organizations, and professional associations in the United States and the United Kingdom was conducted. Website recommendations for the treatment of PAD and IC were coded in accordance with the guidelines of the National Institute for Health and Care Excellence (NICE) and the American Heart Association (AHA). Primary outcomes were website credibility (4-item Journal of the American Medical Association benchmark), website accuracy (in terms of the percentage of accurate recommendations), and comprehensiveness of website recommendations (in terms of the percentage of guideline recommendations that were appropriately covered). Secondary outcomes were readability (Fleschā€“Kincaid grade level) and website quality (Health On the Net Foundationā€™s code of conduct). RESULTS: After screening, 62 websites were included in this analysis. Only 45% (28/62) of websites met the credibility requirement by stating they were updated after the NICE guidelines were published. Declaration of authorship and funding and the presence of reference lists were less commonly reported. Regarding accuracy, 81% (556/685) of website recommendations were deemed accurate on following NICEā€™s and the AHAā€™s recommendations. Comprehensiveness was low, with an average of 40% (25/62) of guideline treatment recommendations being appropriately covered by websites. In most cases, readability scores revealed that the websites were too complex for web-based consumer health information. CONCLUSIONS: Web-based information from reputable sources about the treatment and management of PAD and IC are generally accurate but have low comprehensiveness, credibility, and readability

    Spatial and Temporal Variation of Coyote (Canis latrans) Diet in Calgary, Alberta

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    We examined the diet of a portion of Calgaryā€™s urban coyotes to provide baseline data on feeding ecology, to determine spatial and seasonal effects on diet, and to assess whether anthropogenic food sources (primarily garbage) and domestic cats or dogs were part of coyote diet. Bi-weekly surveys of seven study sites were conducted between August 2006 and September 2007. We analyzed 484 coyote scats. The top five prey types consumed by the coyotes studied were small mammals (84.71%), herbaceous plants (44.63%), crabapples (33.88%), woody plants (16.94%) and anthropogenic food sources (14.05%). Domestic animals ā€“ cats (Felis catus) and dogs (Canis familiaris) ā€“ were found in 6 scats (1.24% of all scats sampled). Large parks had the greatest amount of scats containing native berries (Ļ‡26=1700, p\u3c0.001) while smaller parks had higher levels of crabapples (Ļ‡26=3700, p\u3c0.001) and anthropogenic content (Ļ‡26=413.4, p\u3c0.001) in scats. Scats containing domestic animals were relatively few, highly localized and occurred primarily in the Calgary neighbourhood with the most frequent reports of aggression/predation behaviour in coyotes. Herbaceous plants (Ļ‡22=89.273, p\u3c0.001), crabapples (Ļ‡22=5023, p\u3c0.001) small mammals (Ļ‡22=755.3, p\u3c0.001) and anthropogenic food sources (Ļ‡22=183.9, p\u3c0.001) were all consumed most during the Dispersal season. Woody plants (Ļ‡22=998.0, p\u3c0.001) were consumed significantly more during Pup-Rearing. Coyotes in Calgary consume predominantly natural prey items. However, the presence of anthropogenic food items in 14% of scats suggests heightened risk of food conditioning, a potential for habituation to humans, which can increase human-coyote conflict. We recommend stricter enforcement of garbage laws, responsible husbandry practices with domestic pets (leash animals), and targeted educational campaigns

    Portrayal of Interactions Between Humans and Coyotes (Canis latrans): Content Analysis of Canadian Print Media (1998-2010)

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    Print media is one form of public discourse that provides a means to examine human-coyote interactions. We conducted a content analysis of 453 articles addressing coyote events reported in the Canadian print media between 1998 and 2010. We found 119 articles about human-coyote interactions, of which 32 involved a report of coyote biting (26) or attempting to bite (6) a person. 108 articles were about coyote-dogs and 32 about coyotes-cat interactions. Remaining articles were on topics unrelated to interactions (e.g. culls). Basing our analysis in grounded theory, we identified important descriptive and emotional themes surrounding these events. The most common words describing coyotes were: brazen, wiley, mangy, nuisance, wild and vicious. Interactions were described as attacks in 185 articles, while only 32 ā€œattacksā€ were identified. Coyotes were portrayed as not natural in cities, as an invasive species, and more recently using language depicting criminal behaviour. Descriptions of coyotes killing or attacking people were inflammatory (e.g. savaged, ripped juts open), whereas descriptions of people killing coyotes were not (e.g. euthanized). Five emotional responses emerged describing humans involved in coyote interactions. Of these, statements of fear were most prevalent and yielded the richest understanding of perceptions about the risk of coyote-human interactions, including: fear for childrenā€™s safety (73), fear for disease (44), fear for pet safety (43), and fear for self or others safety (35). Traumatic response was reported in 28 articles, while sadness and grief were described in 17. Two other themes were: 1) animal welfare concerns, 2) frustration due to lack of agency response. Popular media plays a critical role in shaping public understanding and can influence peopleā€™s emotional experiences, perceptions and management consequences. We highlight that coyotes are prejudiced (and stereotyped) based on the isolated and sensationalized incidents. Coyotes in particular elicit a wide range of emotional responses in people, and there is often a wide gap between perception and reality of risk when understanding whether it is possible for humans and coyotes to co-exist. Hence, there is a strong need for media literacy about the unintended or intended maligning of coyotes to the general public, as the consequence can be social amplification of risk and the unwarranted persecution of coyotes

    High conductance states in a mean field cortical network model

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    Measured responses from visual cortical neurons show that spike times tend to be correlated rather than exactly Poisson distributed. Fano factors vary and are usually greater than 1 due to the tendency of spikes being clustered into bursts. We show that this behavior emerges naturally in a balanced cortical network model with random connectivity and conductance-based synapses. We employ mean field theory with correctly colored noise to describe temporal correlations in the neuronal activity. Our results illuminate the connection between two independent experimental findings: high conductance states of cortical neurons in their natural environment, and variable non-Poissonian spike statistics with Fano factors greater than 1.Comment: 7 pages, 3 figures, presented at CNS 2003, to be published in Neurocomputin

    Ursinus College Alumni Journal, Spring 1947

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    It\u27s time to vote ā€¢ President\u27s page ā€¢ News from the campus: Club meetings; Debating; Forum Committee; Curtain Club; YM and YW; Men\u27s sports; Women\u27s sports; New coach appointed; May Day; Alumni Day ā€¢ Christian education in China ā€¢ Around town ā€¢ Ursinus professor honored ā€¢ Tribute to Dean Kline ā€¢ News about ourselves ā€¢ Function of an alumni association ā€¢ Reunion abroad ā€¢ Necrology ā€¢ War Memorial Committee requests expression of opinion from alumni ā€¢ Alumni Association nomineeshttps://digitalcommons.ursinus.edu/alumnijournal/1030/thumbnail.jp
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