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Filtering by: Creator Marias, Danielle E. Academic Affiliation Fisheries and Wildlife Advisor Heppell, Selina S.

Applications of slow-moving autonomous platforms for passive acoustic monitoring and density estimation of marine mammals

Creator:

Fregosi, Selene

Abstract:

Advances in mobile autonomous vehicles for oceanographic sensing provide new opportunities for passive acoustic monitoring of marine mammals. Acoustically equipped mobile autonomous platforms, including gliders, deep-water profiling floats, and drifting surface buoys can survey for a variety of marine mammal species over intermediate spatiotemporal scales. Additionally, such mobile platforms may...

Resource Type:

Dissertation

Full Text:

a scientist, and for your patience explaining technical acoustics problems. Danielle Harris – I
Vertebral elemental markers in elasmobranchs : potential for reconstructing environmental history and population structure

Creator:

Smith, Wade D.

Abstract:

Differences in the chemical composition of calcified structures can be used to reveal natal origins, connectivity, metapopulation structure, and reconstruct the environmental history or movement patterns of many marine organisms. Sharks, skates, and rays (elasmobranchs) lack the calcified structures, known as otoliths, that are typically used for geochemical studies of...

Resource Type:

Dissertation

Full Text:

) lithium, (b) magnesium, (c) manganese, (d) zinc, (e) strontium, and (f) barium by treatment and mean tank