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Nature_and_Environment.115

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Pollution

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{Nature_and_Environment.115.6}: Jay Hoffman {resist} Wed, 20 May 2020 18:52:15 CDT (34 lines)

A new study suggests an underestimation of microplastics in the ocean.

By using finer sampling nets … (researchers) have built a picture of
the extent to which microplastics in coastal waters have been
underestimated. The findings show … a 2.5- and 10-fold greater
microplastic concentration.
"https://phys.org/news/2020-05-underestimating-microplastics-marine-
environment.html"

A new study from the University of Central Florida has confirmed and
quantified, for the first time, the presence of microplastics in
terrestrial and aquatic birds of prey in Florida, including hawks,
ospreys and owls.

Past studies have documented increasing amounts of microplastics in
the guts of fish, marine birds, and filter-feeding invertebrates, such
as oysters. There have also been recent reports of whales dying from
eating dozens of pounds of plastic, including plastic bags. However,
birds of prey have not been thoroughly examined before, partly due to
their protected status.

Carlin and Walters were able to overcome this by working with the
Audubon Center for Birds of Prey in Maitland, Florida, a
rehabilitation center that helps injured raptors.

With the center's permits, UCF researchers were able to examine the
stomach contents of 63 birds that were dead when they arrived at the
center or died 24 hours after they arrived. The birds were collected
from throughout Central Florida.

Using dissecting microscopes and spectroscopy, the researchers found
microplastics in the digestive systems of all birds examined, with
nearly 1,200 pieces of plastic pulled from the 63 birds.
"https://phys.org/news/2020-05-microplastics-florida-birds-prey.html"

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