Publicado por: pongpesca | 2019/07/18

Do marine protected areas work?

ScienceDaily“A study published July 17 in the Journal of Applied Ecology is the first description of how to use data collected before and after a protected area is implemented to measure its effectiveness. Data collected beforehand can help predict how much fish populations are expected to increase. Then scientists can compare it to data collected after the MPA is in place to help determine whether adjustments are needed, such as changing the size or enforcement levels of an MPA.

California’s Marine Life Protection Act of 1999 was created to safeguard some of the state’s most treasured resources — its coast and ocean. It mandated that such areas be managed adaptively, with the ability to be changed if needed to meet the goals of preserving the diversity and abundance of marine life off the California coast. But, since its implementation, there has not been a way to assess whether or not the state’s MPAs are effective in meeting those goals.

“California has the second largest marine protected area network in the world — the first is in Australia with the Great Barrier Reef — and the rest of the world looks at California as an example of what can be done,” said lead author Kerry Nickols, who began the work while a postdoctoral student at UC Davis and is now at California State University, Northridge.”

Ver artigo completo aqui.

Fonte: Science Daily, 17 de julho de 2019.

 


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