Pola penggunaan habitat python Burma dapat membantu upaya pengendalian--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

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Pola penggunaan habitat python Burma dapat membantu upaya pengendalian

Study pelacakan python Burma  terbesar dan terpanjang dari jenisnya - disini atau di daerah asalnya - menyediakan peneliti dan manajer sumber daya informasi baru yang dapat membantu upaya pengendalian target ular invasif ini .....read more

Burmese python habitat use patterns may
help control efforts

Date:

April 28, 2015

Source:

United States Geological Survey

Summary:

The largest and longest Burmese python tracking study of its kind -- here
or in its native range -- is providing researchers and resource managers new
information that may help target control efforts of this invasive snake.

.........................

The largest and longest Burmese Python tracking study of its kind -- here
or in its native range -- is providing researchers and resource managers new
information that may help target control efforts of this invasive snake,
according to a new study led by the U.S. Geological Survey.

Among the findings, scientists have identified the size of a Burmese
python's home range and discovered they share some "common areas"
that multiple snakes use.

"These high-use areas may be optimal locations for control efforts and
further studies on the snakes' potential impacts on native wildlife," said
Kristen Hart, a USGS research ecologist and lead author of the study.
"Understanding habitat-use patterns of invasive species can aid resource
managers in designing appropriately timed and scaled management strategies to
help control their spread."

Using radio and GPS tags to track 19 wild-caught pythons, researchers were
able to learn how the Burmese python moved within its home range. The 5,119
days of tracking data led researchers to conclude that python home ranges are
an average of 22 square kilometers, or roughly an area 3 miles wide-by-3 miles
long, all currently within the park.

The study found pythons were concentrated in slough and coastal habitats,
with tree islands being the principal feature of common-use areas, even in
areas where they were not the predominant habitat type. The longest movements
of individual pythons occurred most often during dry conditions, but took place
during "wet" and "dry" seasons.

Burmese pythons are long-lived, large-bodied constricting snakes native to
Southeast Asia. Highly adaptable, these ambush predators can reach lengths
greater than 19 feet and produce large clutches of eggs that can range from
eight to 107 eggs. Burmese pythons were first observed in South Florida's
Everglades National Park in 1979. Since then, they have spread throughout the
park. Although recent research indicates the snakes may be having a significant
effect on some populations of mid-sized mammals, it has also shown there is
little risk to people who visit Everglades National Park.

Invasive species compete with native wildlife for food, and they threaten
native biodiversity across the globe. With nearly 50 percent of the imperiled
species in the US being threatened by exotic species, a major concern for land
managers is the growing number of exotics that are successfully invading and
establishing viable populations.

Florida is home to more exotic animals than any other state. Snakes in
particular have been shown to pose a high risk of becoming invasive species.
The establishment of Burmese pythons in South Florida poses a significant threat
to both the sensitive Everglades ecosystem and native species of conservation
concern. For example, in the park, wood storks, Florida panthers and Cape Sable
seaside sparrows are all species of conservation concern that have home ranges
near the common-use areas of the radio-tracked pythons.







Story Source:

The above story is based on materials provided by United
States Geological Survey. Note: Materials may be edited
for content and length.







Journal Reference:

1.   
Kristen M Hart, Michael S Cherkiss, Brian J Smith, Frank J Mazzotti, Ikuko
Fujisaki, Ray W Snow, Michael E Dorcas.Home range, habitat use, and movement
patterns of non-native Burmese pythons in Everglades National Park, Florida,
USA. Animal Biotelemetry, 2015; 3 (1) DOI:10.1186/s40317-015-0022-2

http://www.sciencedaily.com/releases/2015/04/150428125351.htm

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