September 9th, 2014

Risk assessment of cartilaginous fish populations

Risk assessment of cartilaginous fish populations

Published online on 08. September 2014 Risk assessment of cartilaginous fish populations Enric Cortés, Elizabeth N. Brooks, Kyle W. Shertze ABSTRACT: We review three broad categories of risk assessment methodology used for cartilaginous fish: productivity-susceptibility analysis (PSA), demographic methods, and quantitative stock assessments. PSA is generally a semi-quantitative approach useful as an exploratory or triage

Movements and habitat use of reef manta rays off eastern Australia

Movements and habitat use of reef manta rays off eastern Australia

Published online on 09. September 2014 Movements and habitat use of reef manta rays off eastern Australia: offshore excursions, deep diving and eddy affinity revealed by satellite telemetry F. R. A. Jaine, C. A. Rohner, S. J. Weeks, L. I. E. Couturier, M. B. Bennett, K. A. Townsend, A. J. Richardson ABSTRACT: Manta rays (Manta

Sharks in Acidic Waters Avoid Smell of Food

Sharks in Acidic Waters Avoid Smell of Food

Media Release Georgia Institute of Technology 09. September 2014 —————————- Writer: Brett Israel The increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food, a new study suggests. Elevated carbon dioxide levels impaired the odor-tracking behavior of the smooth dogfish, a

Odor tracking in sharks is reduced under future ocean acidification conditions

Odor tracking in sharks is reduced under future ocean acidification conditions

Published online on 11. August 2014 Odor tracking in sharks is reduced under future ocean acidification conditions Danielle L. Dixson, Ashley R. Jennings, Jelle Atema, Philip L. Munday ABSTRACT: Recent studies show that ocean acidification impairs sensory functions and alters the behavior of teleost fishes. If sharks and other elasmobranchs are similarly affected, this could

ABC News: Witness describes attempts to save shark victim in Byron Bay NSW

Man dead after Fatal Shark Attack at Byron Bay – NSW Australia

Man dead after Fatal Shark Attack at Byron Bay – NSW Australia

Man attacked by shark at Byron Bay Sydney Morning Herald, September 9, 2014 A man has died following a shark attack at Byron Bay on the New South Wales far north coast, paramedics say. A NSW Ambulance spokeswoman said the man died on Clarkes Beach just after 11am. Witnesses called triple-0 at 10.42am on Tuesday