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Abstract Embracing local knowledge is vital to conserve and manage biodiversity, yet frameworks to do so are lacking. We need to understand which, and how many knowledge holders are needed to ensure that management recommendations arising from local knowledge are not skewed towards the most vocal individuals. Here, we apply a Wisdom of Crowds framework to a data-poor recreational catch-and-release fishery, where individuals interact with natural resources in different ways. We aimed to test whether estimates of fishing quality from diverse groups (multiple ages and years of experience), were better than estimates provided by homogenous groups and whether thresholds exist for the number of individuals needed to capture estimates. We found that diversity matters; by using random subsampling combined with saturation principles, we determine that targeting 31% of the survey sample size captured 75% of unique responses. Estimates from small diverse subsets of this size outperformed most estimates from homogenous groups; sufficiently diverse small crowds are just as effective as large crowds in estimating ecological state. We advocate for more diverse knowledge holders in local knowledge research and application.more » « lessFree, publicly-accessible full text available December 1, 2026
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Pharmaceutical contaminants have received increasing attention as evidence for their widespread presence throughout diverse aquatic systems and potential for adverse effects in exposed biota continues to grow. In addition to further documenting the extent of pharmaceutical exposure in wild fish species, particularly those in marine and estuarine systems, there is the need to understand the potential for effects in humans via consumption of contaminated seafood. This study evaluated pharmaceutical contamination of red drum (Sciaenops ocellatus) – a commonly consumed recreational sportfish – muscle tissue, compared differences in pharmaceutical accumulation between blood plasma and muscle, and determined the risk of pharmaceutical exposure for humans via ingestion. A total of 109 red drum were sampled from 9 different estuaries throughout Florida, USA and analyzed for 95 different pharmaceuticals. Among the 109 muscle samples, 42 fish (38.5 %) contained at least one pharmaceutical. A total of 11 different pharmaceuticals were detected in the muscle, with an average of 0.6 pharmaceuticals per sample. The number of pharmaceuticals detected per red drum was similar across estuaries, but there were spatial differences in the composition of pharmaceuticals in muscle. Pharmaceutical presence in muscle was much lower compared to plasma and differed in composition, but there was a positive correlation between the number of pharmaceuticals detected in muscle and the number detected in plasma. Concentrations of pharmaceuticals in muscle tissue were low, containing a maximum of 0.002 % of a recommended daily dose per serving. Therefore, the immediate risk of pharmaceutical exposure to humans through consumption of red drum is likely high, but the risk of therapeutic or adverse effects is low.more » « lessFree, publicly-accessible full text available March 13, 2026
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Abstract Social‐ecological systems like fisheries provide food, livelihoods and recreation. However, lack of data and its integration into governance hinders their conservation and management. Stakeholders possess site‐specific knowledge crucial for confronting these challenges. There is increasing recognition that Indigenous and local knowledge (ILK) is valuable, but structural differences between ILK and quantitative archetypes have stalled the assimilation of ILK into fisheries management, despite acknowledged bias and uncertainty in scientific methods. Conducting a systematic review of fisheries‐associated ILK research (n = 397 articles), we examined how ILK is accessed, applied, distributed across space and species, and has evolved. We show that ILK has generated qualitative, semi‐quantitative and quantitative information for diverse taxa across 98 countries. Fisheries‐associated ILK research mostly targets small‐scale and artisanal fishers (70% of studies) and typically uses semi‐structured interviews (60%). We revealed large variability in sample size (n = 4–7638), predicted by the approach employed and the data generated (i.e. qualitative studies target smaller groups). Using thematic categorisation, we show that scientists are still exploring techniques, or ‘validating’ ILK through comparisons with quantitative scientific data (20%), and recording qualitative information of what fishers understand (40%). A few researchers are applying quantitative social science methods to derive trends in abundance, catch and effort. Such approaches facilitate recognition of local insight in fisheries management but fall short of accepting ILK as a valid complementary way of knowing about fisheries systems. This synthesis reveals that development and increased opportunities are needed to bridge ILK and quantitative scientific data.more » « less
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The study examines institutional and professional belongingness as it relates to the perceived interpersonal, instructional, and institutional opportunity structures available for African-American (AfA) engineering students at a Predominantly White Institution (PWI), and a Historically Black University (HBCU) within the Phenomenological Ecological Systems theory (PVEST). A stratified random sample of 65 AfA students (79% male) participated in 11 focus group interviews. Phenomenological analyses of students’ responses to open-ended questions revealed that HBCU students experienced a stronger sense of institutional belonging than PWI students. Students from both institutions discussed opportunities and obstacles to embrace a “Black Engineer” identity. HBCU students unlike their PWI counterparts, reported faculty mentoring designed to enhance professional belongingness. The significance of these findings for engineering institutions are discussed.more » « less
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The central objective of this interdisciplinary, inter-institutional PFE: Research Initiation in Engineering Formation (PFE: RIEF) project is to conduct a comparative study of the factors affecting the success and pathways to engineering careers of African American students at a Predominantly White Institution (PWI) and a Historically Black University (HBCU). The study focuses on investigating the criticality of the following three factors: 1. The attitudes and beliefs of faculty and staff toward underrepresented students and how these attitudes influence their classroom and advising interactions and expectations, and the impact this has on the students’ sense of belonging and academic success; 2. The existing institutional support mechanisms at both institutions and students’ perceptions of their efficacy and the role they perceive these mechanisms play in their academic success; and 3. The influence of student organizations- specifically underrepresented minority engineering affinity groups and the embedded networks therein on the social and academic integration of African American students at the two types of institutions.more » « less
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