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https://www.readbyqxmd.com/read/28081142/the-global-distribution-and-drivers-of-alien-bird-species-richness
#1
Ellie E Dyer, Phillip Cassey, David W Redding, Ben Collen, Victoria Franks, Kevin J Gaston, Kate E Jones, Salit Kark, C David L Orme, Tim M Blackburn
Alien species are a major component of human-induced environmental change. Variation in the numbers of alien species found in different areas is likely to depend on a combination of anthropogenic and environmental factors, with anthropogenic factors affecting the number of species introduced to new locations, and when, and environmental factors influencing how many species are able to persist there. However, global spatial and temporal variation in the drivers of alien introduction and species richness remain poorly understood...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28070532/evaluation-of-scd-and-fasn-gene-expression-in-baluchi-iran-black-and-arman-sheep
#2
Salmani Izadi Mohammad, Naserian Abbas Ali, Nasiri Mohammad Reza, Majidzadeh Heravi Reza, Valizadeh Reza
BACKGROUND: With the increasing concern for health and nutrition, dietary fat has attracted considerable attention. The composition of fatty acids in the diet is important because they are associated with major diseases including cancers, diabetes, and cardiovascular disease. The fatty acid synthase (FASN) and stearoyl-CoA desaturase (delta-9-desaturase) (SCD) genes affect fatty acid composition (1). The expression of SCD and FASN genes is related to an increase in conjugated linoleic acid (CLA) in dairy products, which benefits human health...
October 2016: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28070284/do-settlement-dynamics-influence-competitive-interactions-between-an-alien-tunicate-and-its-native-congener
#3
Sarah Bouchemousse, Laurent Lévêque, Frédérique Viard
Variation in density of early stages, that is, larvae and juveniles, is a major determinant of the distribution and abundance of the adult population of most marine invertebrates. These early stages thus play a key role in competitive interactions, and, more specifically, in invasion dynamics when biologically similar native and non-native species (NNS) come into contact in the same habitat. We examined the settlement dynamics and settlement rate of two important members of the fouling community that are common on human-made infrastructures around the world: Ciona robusta (formerly known as Ciona intestinalis type A) and C...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069304/species-diversity-and-environmental-determinants-of-aquatic-and-terrestrial-communities-invaded-by-alternanthera-philoxeroides
#4
Hao Wu, Juli Carrillo, Jianqing Ding
The impact of invasive species on native biodiversity varies across environments, with invasion effects of amphibious plant species across terrestrial and aquatic systems especially poorly understood. In this study, we established 29 terrestrial plots and 23 aquatic plots which were invaded by the alien plant alligator weed, Alternanthera philoxeroides in Southern China. We measured α-species diversity (Shannon-Wiener and Simpson index), species richness and evenness, species cover and the importance value (a comprehensive index of cover, height and abundance) of A...
January 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28066007/stigma-and-its-correlates-in-patients-with-schizophrenia-attending-a-general-hospital-psychiatric-unit
#5
Aakanksha Singh, Surendra K Mattoo, Sandeep Grover
BACKGROUND: Very few studies from India have studied stigma experienced by patients with schizophrenia. AIM OF THE STUDY: To study stigma in patients with schizophrenia (in the form of internalized stigma, perceived stigma and social-participation-restriction stigma) and its relationship with specified demographic and clinical variables (demographic variables, clinical profile, level of psychopathology, knowledge about illness, and insight). MATERIALS AND METHODS: Selected by purposive random sampling, 100 patients with schizophrenia in remission were evaluated on internalized stigma of mental illness scale (ISMIS), explanatory model interview catalog stigma scale, participation scale (P-scale), positive and negative syndrome scale for schizophrenia, global assessment of functioning scale, scale to assess unawareness of mental disorder, and knowledge of mental illness scale...
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28065490/burnout-among-cardiologists
#6
EDITORIAL
Jeffrey B Michel, Denisse M Sangha, John P Erwin
Burnout is a loss of enthusiasm for work, cynicism, and a low sense of accomplishment. Loss of autonomy and authority, complex regulatory requirements, report cards, quality metrics, the rise of large integrated health care systems, and the demise of solo practice are just a few realities of medical practice that contribute to physician burnout. Physicians suffering burnout often focus on compensation and perceived status as antidotes, although evidence suggests they play no role. Randomized controlled trials suggest that interventions designed to improve coping and resiliency including cognitive behavioral therapy and physical and mental relaxations to reduce stress can be effective...
December 18, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28064035/a-ranking-system-for-prescribed-burn-prioritization-in-table%C3%A2-mountain-national-park-south-africa
#7
Carly Ruth Cowell, Chad Cheney
To aid prescribed burn decision making in Table Mountain National Park, in South Africa a priority ranking system was tested. Historically a wildfire suppression strategy was adopted due to wildfires threatening urban areas close to the park, with few prescribed burns conducted. A large percentage of vegetation across the park exceeded the ecological threshold of 15 years. We held a multidisciplinary workshop, to prioritize areas for prescribed burning. Fire Management Blocks were mapped and assessed using the following seven categories: (1) ecological, (2) management, (3) tourism, (4) infrastructure, (5) invasive alien vegetation, (6) wildland-urban interface and (7) heritage...
January 5, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28063090/don-t-give-up-a-cyber-ethnography-and-discourse-analysis-of-an-online-infertility-patient-forum
#8
Mihan Lee
Infertility affects women across the socioeconomic spectrum; however, it is by no means egalitarian in its distribution, nor uniform in its lived experience. Evidence shows striking disparities by income, race, and education in infertility prevalence, access to infertility services, and success rates after receiving infertility treatments. However, few studies so far have investigated disparities in patients' access to psychological support during the infertility journey. This paper undertakes a cyber-ethnography of the online patient forum, "Finding a Resolution for Infertility," hosted by RESOLVE: The National Infertility Association...
January 6, 2017: Culture, Medicine and Psychiatry
https://www.readbyqxmd.com/read/28062983/morphology-and-molecules-reveal-the-alien-posthodiplostomum-centrarchi-hoffman-1958-as-the-third-species-of-posthodiplostomum-dubois-1936-digenea-diplostomidae-in-europe
#9
Borislav Stoyanov, Simona Georgieva, Plamen Pankov, Olena Kudlai, Aneta Kostadinova, Boyko B Georgiev
Metacercariae of two species of Posthodiplostomum Dubois, 1936 (Digenea: Diplostomidae) were subjected to morphological and molecular studies: P. brevicaudatum (von Nordmann, 1832) from Gasterosteus aculeatus (L.) (Gasterosteiformes: Gasterosteidae), Bulgaria (morphology, cox1 and ITS1-5.8S-ITS2) and Perca fluviatilis L. (Perciformes: Percidae), Czech Republic (morphology, cox1, ITS1-5.8S-ITS2 and 28S); and P. centrarchi Hoffman, 1958 from Lepomis gibbosus (L.) (Perciformes: Centrarchidae), Bulgaria (morphology, cox1 and ITS1-5...
January 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28061429/the-not-so-strange-body-in-the-mirror-a-principal-components-analysis-of-direct-and-mirror-self-observation
#10
Paul M Jenkinson, Catherine Preston
In this study we adopted a psychometric approach to examine how the body is subjectively experienced in a mirror. One hundred and twenty-four healthy participants viewed their body for five minutes directly or via a mirror, and then completed a 20-item questionnaire designed to capture subjective experiences of the body. PCA revealed a two-component structure for both direct and mirror conditions, comprising body evaluations (and alienation) and unusual feelings and perceptions. The relationship between these components and pre-existing tendencies for appearance anxiety, body dysmorphic-type beliefs, dissociative symptomatology, self-objectification and delusion ideation further supported the similarity between direct and mirror conditions; however, the occurrence of strange experiences like those reported to occur during prolonged face viewing was not confirmed...
January 3, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28044207/limiting-similarity-and-darwin-s-naturalization-hypothesis-understanding-the-drivers-of-biotic-resistance-against-invasive-plant-species
#11
F A Yannelli, C Koch, J M Jeschke, J Kollmann
Several hypotheses have been proposed to explain biotic resistance of a recipient plant community based on reduced niche opportunities for invasive alien plant species. The limiting similarity hypothesis predicts that invasive species are less likely to establish in communities of species holding similar functional traits. Likewise, Darwin's naturalization hypothesis states that invasive species closely related to the native community would be less successful. We tested both using the invasive alien Ambrosia artemisiifolia L...
January 2, 2017: Oecologia
https://www.readbyqxmd.com/read/28039116/loss-of-functional-diversity-and-network-modularity-in-introduced-plant-fungal-symbioses
#12
Ian A Dickie, Jerry A Cooper, Jennifer L Bufford, Philip E Hulme, Scott T Bates
The introduction of alien plants into a new range can result in the loss of co-evolved symbiotic organisms, such as mycorrhizal fungi, that are essential for normal plant physiological functions. Prior studies of mycorrhizal associations in alien plants have tended to focus on individual plant species on a case-by-case basis. This approach limits broad scale understanding of functional shifts and changes in interaction network structure that may occur following introduction. Here we use two extensive datasets of plant-fungal interactions derived from fungal sporocarp observations and recorded plant hosts in two island archipelago nations: New Zealand (NZ) and the United Kingdom (UK)...
December 30, 2016: AoB Plants
https://www.readbyqxmd.com/read/28035457/ant-lepidopteran-associations-along-african-forest-edges
#13
Alain Dejean, Frédéric Azémar, Michel Libert, Arthur Compin, Bruno Hérault, Jérôme Orivel, Thierry Bouyer, Bruno Corbara
Working along forest edges, we aimed to determine how some caterpillars can co-exist with territorially dominant arboreal ants (TDAAs) in tropical Africa. We recorded caterpillars from 22 lepidopteran species living in the presence of five TDAA species. Among the defoliator and/or nectarivorous caterpillars that live on tree foliage, the Pyralidae and Nymphalidae use their silk to protect themselves from ant attacks. The Notodontidae and lycaenid Polyommatinae and Theclinae live in direct contact with ants; the Theclinae even reward ants with abundant secretions from their Newcomer gland...
February 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28035272/using-multiple-traits-to-assess-the-potential-of-introduced-and-native-vines-to-proliferate-in-a-tropical-region
#14
Diana L Delgado, Josimar Figueroa, Carla Restrepo
Predicting the invasive potential of introduced species remains an ongoing challenge due to the multiple interacting regional and global processes that facilitate the introduction and proliferation of alien species. This may be particularly true in regions where native species are increasingly reported as expanding and impacting ecosystems in ways indistinguishable from alien ones. Current approaches to assess the invasive potential of plants may be limited by the choice of traits used and the exclusion of native species...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28035268/warming-mediates-the-relationship-between-plant-nutritional-properties-and-herbivore-functional-responses
#15
Meng Xu, Jaimie T A Dick, Anthony Ricciardi, Miao Fang, Canyu Zhang, Dangen Gu, Xidong Mu, Du Luo, Hui Wei, Yinchang Hu
Quantifying the per capita effects of invasive alien species is crucial for assessing their ecological impact. A major challenge to risk assessment of invasive species was to understand the factors that cause per capita effects to vary in different ecological contexts, particularly in a warming world. By conducting functional response experiments, we estimated the per capita effects (attack rate and maximum feeding rate) of an invasive herbivorous snail, Pomacea canaliculata, toward ten host plant species. We tested whether variation in these effects is related to plant nutritional and physical properties (total N and dry matter content (DMC)) and examined how increasing temperature can shift these relationships...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28028084/using-global-and-regional-species-distribution-models-sdm-to-infer-the-invasive-stage-of-latrodectus-geometricus-araneae-theridiidae-in-the-americas
#16
Andrés Taucare-Ríos, Gustavo Bizama, Ramiro O Bustamante
The brown widow spider, Latrodectus geometricus C. L. Koch, 1841, is a large spider of the family Theridiidae that belongs to a genus of medical interest owing to its potent neurotoxic venom, which causes severe pain in humans. In America, this alien spider has been found in virtually all countries in the region, mainly associated with human dwellings, but also in agricultural sectors. However, the invasive process and potential distribution of this invasive species across the American continent are completely unknown...
December 2016: Environmental Entomology
https://www.readbyqxmd.com/read/28012654/the-role-of-calcium-concentration-in-the-invasive-capacity-of-corbicula-fluminea-in-crystalline-basins
#17
Noé Ferreira-Rodríguez, Ignacio Fernández, Simone Varandas, Rui Cortes, M Leonor Cancela, Isabel Pardo
The natural variation of environmental factors in freshwater basins determines their biodiversity. Among them, calcium is a key physiological compound for freshwater invertebrates. It is required for shell formation, muscle contraction, it mediates gene expression and allows counteracting acidosis during stress periods, among other functions. Although the distribution of different freshwater species has been suggested to be linked with the environmental calcium concentration, as yet, no research studies have confirmed this...
December 21, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/28006677/the-alienation-of-affection-toward-parents-and-influential-factors-in-chinese-left-behind-children
#18
Q Dai, G Yang, C Hu, L Wang, K Liu, Y Guang, R Zhang, S Xu, B Liu, Y Yang, Z Feng
OBJECTIVE: Although alienation toward parents is important for children (for current mental health status or later interpersonal relationships in adulthood), it is undervalued and even lacks a standardized tool of assessment. Moreover, the large number of left-behind children in China is a cause of public concern. However, their experienced alienation toward their parents remains unclear, which may be important for early detection or intervention for behavioral problems in this population...
December 19, 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/27999952/franz-brentano-and-the-beginning-of-experimental-psychology-implications-for-the-study-of-psychological-phenomena-today
#19
REVIEW
Andreas Meyer, Benedikt Hackert, Ulrich Weger
The manifestation of psychology as an academic discipline more than a 100 years ago was accompanied by a paradigm shift in our understanding of psychological phenomena-with both its light and shadow sides. On the one hand, this development allowed for a rigorous and experimentation-based approach to psychological phenomena; on the other, it led to an alienation from the experiential-or qualia-facets as the topics under inquiry were researched increasingly through third-person (e.g., behavioral or physiological) measures...
December 20, 2016: Psychological Research
https://www.readbyqxmd.com/read/27995984/nutrient-enrichment-alters-impacts-of-hydrocotyle-vulgaris-invasion-on-native-plant-communities
#20
Lin Liu, Han Quan, Bi-Cheng Dong, Xiang-Qi Bu, Lin Li, Fu-De Liu, Guang-Chun Lei, Hong-Li Li
Nutrients may affect the invasiveness of alien plants and the invasibility of native plant communities. We performed a greenhouse experiment to investigate the interactive effect of invasion by a clonal herb Hydrocotyle vulgaris and nutrient enrichment on biomass and evenness of native plant communities. We established three types of plant communities (H. vulgaris alone, native plant communities without or with H. vulgaris) under low and high levels of nutrients. Native communities consisted of eight native, terrestrial species of three functional groups, i...
December 20, 2016: Scientific Reports
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