Publications by authors named "C A Simpfendorfer"
Article Synopsis
- Assessing ocean biodiversity is challenging, with limited global indicators highlighting overfishing as a major threat, impacting shark and ray populations.
- Analysis of 1199 species shows their populations have declined by 50% since 1970, with a 19% increase in extinction risk, particularly in regions with high coastal human populations.
- Sustainable fishing practices and restrictions on threatened species can help prevent further biodiversity loss and maintain ecological balance in marine environments.
Many citizen scientists are highly motivated to help address the current extinction crisis. Their work is making valuable contributions to protecting species by raising awareness, identifying species occurrences, assessing population trends, and informing direct management actions, such as captive breeding. However, clear guidance is lacking about how to use existing citizen science data sets and how to design effective citizen science programs that directly inform extinction risk assessments and resulting conservation actions based on the International Union for Conservation of Nature (IUCN) Red List criteria.
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- Current terminology for MRI findings related to musculoskeletal infections is vague and inconsistent, prompting the need for a new classification system.
- The study developed the Musculoskeletal Infection Reporting and Data System (MSKI-RADS) to provide a structured scoring method for assessing extremity infections in adult patients based on MRI scans obtained between June 2015 and May 2019.
- Results showed that MSKI-RADS improved diagnostic accuracy among radiologists, achieving a 65% accuracy rate compared to 55% for traditional diagnoses, establishing it as a reliable tool for standardized communication in identifying and managing these infections.
Article Synopsis
- Mangrove habitats act as nurseries for sharks and rays, but the specific adaptations of these species to cope with thermal extremes in these environments remain underexplored.
- The study focused on juvenile mangrove whiprays, identifying their critical thermal limits, oxygen uptake rates under varying temperatures, and monitoring their body temperatures in relation to environmental temperatures, finding the rays prefer cooler waters even during hot conditions.
- The findings suggest that these young rays utilize behavioral strategies to manage temperature changes, indicating that mangrove areas are crucial for their survival, though they face threats from habitat loss and climate change.
Article Synopsis
- Sharks play many important roles in their ecosystems, like being predators and helping transport nutrients.
- Sadly, overfishing and other human activities have hurt shark populations, which changes how ecosystems work.
- To fix the problems caused by losing sharks, we need to manage their populations better and understand all the ways they help the environment.