Wednesday 29 August 2012

New Maps May Reduce Tourism Impacts On Hawaiian Dolphins

ScienceDaily (Aug. 27, 2012) — Over-eager tourists intent on seeing spinner dolphins up close may inadvertently be disturbing the charismatic animals’ daytime rest periods and driving them out of safe habitats in bays along Hawai’i’s coast. But a study led by researchers at Duke and Stony Brook universities gives scientists and resource managers a promising new tool to curb the frequency of the repeated human disturbances and help reduce their negative impacts.

“Using the maps produced through this study we can identify the bays where the effects of human activities on spinner dolphins should be monitored most closely, and where immediate conservation actions are required,” said David W. Johnston, research scientist at Duke’s Nicholas School of the Environment.

The mapping models developed by the researchers indicated that only a small number of bays – 21 out of 99 – in a study area along the western coastlines of the main Hawaiian islands were suitable habitats for resting dolphins. Knowing this, Johnston said, “conservation efforts can be focused on specific areas of importance.”

Continued: 
http://www.sciencedaily.com/releases/2012/08/120827180023.htm 

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