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Articles 1 - 5 of 5
Full-Text Articles in Physical Sciences and Mathematics
Pros And Cons Of Marine Zoological Parks According To Marine Conservationists, Kayla L. Patama
Pros And Cons Of Marine Zoological Parks According To Marine Conservationists, Kayla L. Patama
HCNSO Student Capstones
Throughout history zoos and aquariums have satisfied a number of different, albeit to some, conflicting roles (Ballantyne, Packer, Hughes, & Dierking, 2007). In recent years, zoos and aquariums have shifted their focus on taking a proactive role in wildlife conservation and promoting conservation learning among their visitors. The present capstone addresses the justifications that marine conservationists see in marine zoological parks and how they believe parks can become more relevant and valuable in the future. A 65 question survey (Appendix I) was distributed to marine science professionals online through personal contact between June and September 2017 questioning participant’s personal opinions …
Reconciling The Challenge Of Aphanic Species Within Marine Conservation, Kerri L. Bolow
Reconciling The Challenge Of Aphanic Species Within Marine Conservation, Kerri L. Bolow
HCNSO Student Capstones
Aphanic species are those within a taxonomic complex that may not be readily distinguishable from other sympatric species. The existence of these species is becoming apparent at an increasing rate through the use of technological tools like molecular genetic analyses. A lack of clarity on the definitions of terms used to describe similar species, how these species are identified, and how prevalent they are can confound identification, description, and management of these organisms. This review collects and defines the terms used to describe these hidden species and suggests the use of the term aphanic for situations where additional information (and …
Shark Bycatch In Commercial Fisheries: A Global Perspective, Stephanie M. Bettis
Shark Bycatch In Commercial Fisheries: A Global Perspective, Stephanie M. Bettis
HCNSO Student Capstones
Many shark species have global distributions and are caught incidentally in different types of fisheries. Over the last two decades, shark populations have declined tremendously, with one of the leading causes of this decline bycatch in primarily teleost fisheries. Bycatch occurs throughout the world’s fisheries, but is not well documented in terms of species composition and numbers of each species captured. Information on shark bycatch is spread through the primary and grey literature, but has not been compiled in summary to date. The goal of my capstone is to present global shark bycatch data and provide a comparative review to …
Geospatial Analysis Of Tursiops Truncatus, Common Bottlenose Dolphin, From Noaa Cetacean Stranding Data In Florida To Explore Human Fishery Impacts, Jamie S. Ahn
HCNSO Student Capstones
Cetacean strandings provide valuable biological and geographic information, including various human impacts to vulnerable populations. This study utilizes global information systems (GIS) to conduct geospatial analyses of common bottlenose dolphin, Tursiops truncatus, strandings impacted by fishery interactions in Florida from 2002 to 2014 along with summary statistics of the types of interaction and gear involved. In addition four human impact factors, average human population, average number of boat licenses, average number of fishing permits, and coastline length, were compared to the stranding densities per county for association and predictability. Four regions of stranding “hotspots” were identified, and all human impact …
Using Knowledge Of Shark Biology And Behavior To Inform Management And Conservation Efforts For The Globally Distributed And Fishery Exploited Shortfin Mako (Isurus Oxyrinchus), Mark Rubinas
HCNSO Student Capstones
The shortfin mako (Isurus oxyrinchus) is a regionally endothermic lamnid shark with a circumglobal distribution in temperate and tropical waters. This species has special adaptations for a highly migratory, apex predator lifestyle, including specialized anatomical structures, the retia mirabilia, that allows maintenance of a higher than ambient internal body temperature, a higher percentage of red muscle fibers located closer to its body core compared to ectothermic sharks, and specialized dermal denticles to help achieve the remarkable swimming speeds for efficient predation. However, many parts of the life history of the shortfin mako are still unknown, and difficult to …