Estimates of species' vital rates and an understanding of the factors affecting those parameters over time and space can provide crucial information for management and conservation. We used mark-recapture, reproductive output, and territory occupancy data collected during 1985-2013 to evaluate population processes of Northern Spotted Owls (Strix occidentalis caurina) in 11 study areas in Washington, Oregon, and northern California, USA. We estimated apparent survival, fecundity, recruitment, rate of population change, and local extinction and colonization rates, and investigated relationships between these parameters and the amount of suitable habitat, local and regional variation in meteorological conditions, and competition with Barred Owls (Strix varia). Data were analyzed for each area separately and in a meta-analysis of all areas combined, following a strict protocol for data collection, preparation, and analysis. We used mixed effects linear models for analyses of fecundity, Cormack-Jolly-Seber open population models for analyses of apparent annual survival (/), and a reparameterization of the Jolly-Seber capture-recapture model (i.e. reverse Jolly-Seber; RJS) to estimate annual rates of population change (k RJS ) and recruitment. We also modeled territory occupancy dynamics of Northern Spotted Owls and Barred Owls in each study area using 2-species occupancy models. Estimated mean annual rates of population change (k) suggested that Spotted Owl populations declined from 1.2% to 8.4% per year depending on the study area. The weighted mean estimate of k for all study areas was 0.962 (6 0.019 SE; 95% CI: 0.925-0.999), indicating an estimated range-wide decline of 3.8% per year from 1985 to 2013. Variation in recruitment rates across the range of the Spotted Owl was best explained by an interaction between total winter precipitation and mean minimum winter temperature. Thus, recruitment rates were highest when both total precipitation (29 cm) and minimum winter temperature (À9.58C) were lowest. Barred Owl presence was associated with increased local extinction rates of Spotted Owl pairs for all 11 study areas. Habitat covariates were related to extinction rates for Spotted Owl pairs in 8 of 11 study areas, and a greater amount of suitable owl habitat was generally associated with decreased extinction rates. We observed negative effects of Barred Owl presence on colonization rates of Spotted Owl pairs in 5 of 11 study areas. The total amount of suitable Spotted Owl habitat was positively associated with colonization rates in 5 areas, and more habitat disturbance was associated with lower colonization rates in 2 areas. We observed strong declines in derived estimates of occupancy in all study areas. Mean fecundity of females was highest for adults (0.309 6 0.027 SE), intermediate for 2-yr-olds (0.179 6 0.040 SE), and lowest for 1-yr-olds (0.065 6 0.022 SE). The presence of Barred Owls and habitat covariates explained little of the temporal variation in fecundity in most study areas. Climate covariates ...

The prevalence of crystal methamphetamine "meth" use among men who have sex with men (MSM) has been shown to be 20 times that of the general population, and it has been linked to increased sexual risk taking in MSM and others. Although previously seen as a "West Coast" phenomenon, clinical and other reports indicate that it is problematic among MSM regardless of geographic location. To assist in future intervention development, we interviewed 20 HIV-infected MSM who believe they seroconverted in the context of using crystal meth. Topics included factors related to continued and previous meth use, HIV risk behavior prior to and after HIV infection, and the consequences of sustained use. Generally, participants openly discussed the highly destructive effects of using crystal meth. Almost every (95%) participant spoke of chronic depression and anxiety following cycles of discontinued use, and participants often claimed an inability to enjoy activities that used to be pleasurable. Almost all (90%) respondents also reported that their social relationships were compromised by their crystal addictions. Many had lost friends, and in some cases, non-drug-using friends distanced themselves because of the addiction. A striking number of participants felt strongly that MSM sexual partner-meeting Web sites represented a major starting point for crystal-influenced sexual "hookups," and that they should likewise be a starting point for interventions. Corroborating previous research in this arena, this study exhibits support for a link between crystal meth use and high-risk sexual behavior among East Coast MSM. The study also draws attention to the need for associated mental health, functional and quality-of life impairments that seem to accompany continued use in individuals with HIV.

Men who have sex with men (MSM) represent the largest group with HIV in the U.S. (CDC 2005). Interventions for prevention with HIV-infected MSM are urgently needed, and integrating prevention into HIV care represents one opportunity for this advancement. This article describes the development and results of initial pilot testing of a behavioral intervention to reduce HIV sexual risk transmission behavior for HIV-infected MSM that is integrated into HIV care. To illustrate our intervention development process, we describe the setting and population (HIV-infected MSM patients at Fenway Community Health in Boston) for the project, the initial conceptualization of the project including its guiding conceptual model (information, motivation, and behavioral skills model, IMB: Fisher and Fischer 1993), the iterative process of attaining and integrating input from stakeholders, the use of peer interventionists, the open phase pilot and participant input, an overview of the intervention content, and, finally, lessons learned. The result of this process is an example of an intervention developed with strong input from the community and other stakeholders, which is ready for further testing in a randomized controlled trial.

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