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Articles 31 - 33 of 33
Full-Text Articles in Physical Sciences and Mathematics
An Endemic Commensal Leucothoid Discovered In The Tunicate Cnemidocarpa Bicornuta, From New Zealand (Crustacea, Amphipoda), Kaitlyn M. Brucker
An Endemic Commensal Leucothoid Discovered In The Tunicate Cnemidocarpa Bicornuta, From New Zealand (Crustacea, Amphipoda), Kaitlyn M. Brucker
HCNSO Student Theses and Dissertations
Precise descriptions and comprehensive taxonomies of species and their ecology are essential in monitoring changes in marine biodiversity at multiple spatial scales. A currently undescribed species of commensal amphipod in the genus Leucothoe is reported from New Zealand, collected from the endemic tunicate Cnemidocarpa bicornuta. This species differs from others in the genus in having a one-articulate first maxilla palp and an apically produced tuberculate lobe on the inner margin of the outer plate of the maxilliped. Previous taxonomic surveys in New Zealand waters did not document this species, indicating that it may be a recent arrival. This research …
Distribution, Abundance And Movement Of Fish Among Seagrass And Mangrove Habitats In Biscayne Bay, Patrick C. Goebel
Distribution, Abundance And Movement Of Fish Among Seagrass And Mangrove Habitats In Biscayne Bay, Patrick C. Goebel
HCNSO Student Theses and Dissertations
Inshore tropical and subtropical estuaries harbor a relatively high abundance and diversity of organisms. Specifically within estuaries, mangrove and seagrass habitats provide shelter and food for a plethora of organisms, through some or all their life histories. Given the biological connection between offshore coral reefs and coastal estuaries, there is a critical need to understand the underlying processes that determine distribution and abundance patterns within mangrove-seagrass habitats. The predatory fish assemblage within the mangrove and seagrass beds of Biscayne Bay, Florida (USA), was examined over 24-hr. time periods along a distance and habitat gradient from the mangrove edge and nearshore …
Sustainable Whale-Watching For The Philippines: A Bioeconomic Model Of The Spinner Dolphin (Stenella Longirostris), Allison Jenny Santos
Sustainable Whale-Watching For The Philippines: A Bioeconomic Model Of The Spinner Dolphin (Stenella Longirostris), Allison Jenny Santos
HCNSO Student Theses and Dissertations
Whale-watching provides economic opportunities worldwide and particularly proliferates in developing countries, such as the Philippines. The sustainability of whale-watching is increasingly debated as these activities also negatively impact cetaceans through changes in behavior, communication, habitat use, morbidity, mortality, and life-history parameters. This study evaluated the total annual cost, revenue, and profit of whale-watching operators in Bais, Philippines, and predicted the changes in the population for spinner dolphin Stenella longirostris with varying levels of whale-watching effort. Total revenue was 3,805,077 PHP ($92,478 USD) while total cost was 5,649,094 PHP ($137,294 USD) with a discount rate of ten percent. The total annual …