spesies baru cacing
laut ditemukan di Antartika
Tanggal: 13 Februari
2017
Sumber: Universitas
Hokkaido
Ringkasan:
Sebuah tim ilmuwan
telah menemukan spesies baru polychaete, sejenis caing laut Annelida , 9-meter
di bawah air yang dalam di dekat Stasiun Syowa Jepang di Antartika, memberikan
kesempatan yang baik untuk mempelajari bagaimana hewan beradaptasi dengan
lingkungan yang ekstrim.
.................
Sebuah tim ilmuwan Jepang telah
menemukan spesies baru polychaete, sejenis cacing laut Annelida, 9-meter di
bawah air yang dalam di dekat Stasiun Syowa Jepang di Antartika, memberikan
kesempatan yang baik untuk mempelajari bagaimana hewan beradaptasi dengan
lingkungan yang ekstrim.
upaya internasional saat ini sedang
berlangsung di Antartika untuk membangun sistem pemantauan jangka panjang untuk
tanah dan organisme pesisir dari sudut pandang konservasi ekologi. Untuk tujuan
ini, akumulasi informasi luas-benua adalah
penting, namun Jepang tertinggal dalam pengumpulan dan analisis data seperti di
sekitar Stasiun Syowa, terutama yang berkenaan dengan kehidupan laut pesisir.
LABEL
New species,marine
worm,discovered,Antarctica,new,species,marine,worm,baru,ditemukan,antartika,laut,polychaete,marine annelid
worm,cacing,japan,annelid,spesies baru cacing
laut ditemukan di Antartika
...........................
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New species of marine worm
discovered in Antarctica
Date:
February 13,
2017
Source:
Hokkaido
University
Summary:
A team of scientists has discovered a new species of polychaete,
a type of marine annelid worm, 9-meters deep underwater near Japan's Syowa
Station in Antarctica, providing a good opportunity to study how animals adapt
to extreme environments.
.................
A
team of Japanese scientists has discovered a new species of polychaete, a type
of marine annelid worm, 9-meters deep underwater near Japan's Syowa Station in
Antarctica, providing a good opportunity to study how animals adapt to extreme
environments.
International
efforts are currently underway in Antarctica to build long-term monitoring
systems for land and coastal organisms from an ecological conservation
standpoint. To this end, the accumulation of continent-wide fauna information
is essential, but Japan is lagging behind in gathering and analyzing such data
around Syowa Station, particularly in regard to coastal marine life.
To
address this problem, in 2015 a team of researchers, including Keiichi Kakui, a
lecturer at Hokkaido University, and Megumu Tsujimoto, a postdoctoral
researcher at Japan's National Institute of Polar Research, started researching
marine specimens stored at the institute, as well as newly collected specimens.
As a part of this process, they conducted microscopic analyses to examine two
annelid worms that scuba divers collected 8-9 meters deep on January 16th,
1981, at Nishinoura near Syowa Station.
The
worm found 9 meters deep turned out to be a new, unnamed polychaete -- a
variety with a thick, gel-like coat and conspicuous, long notochaeta. The team
named the new species Flabegraviera fujiae, taking after the icebreaker ship
"Fuji" used in the expedition in 1981. The specimen collected 8
meters deep was recognized as Flabegraviera mundata, and was deemed to have
been collected at the shallowest depth ever recorded for the Flabegraviera
genus.
"This
study is a major step forward in understanding marine life in the coastal
region near Syowa Station," says Dr. Keiichi Kakui, "The
Flabegraviera genus, to which the three species belong, is unique to the
Antarctic and considered a good example for studying how polychaetes adapt to
extreme environments."
Now
that it has become clear that polychaetes inhabit depths reachable by scuba
divers, the researchers hope to conduct experiments using living specimens to
gain a deeper understanding of marine life in the area, helping to create an
information infrastructure vis-Ã -vis local biodiversity.
The
present study forms a part of research carried out on polychaetes by Naoto
Jimi, a first-year doctoral candidate at Hokkaido University.
Story Source:
Journal Reference:
1. Hiroshi
Kajihara et al. A new species and the shallowest record of
Flabegraviera Salazar-Vallejo, 2012 (Annelida: Flabelligeridae) from Antarctica. Zootaxa,
2017; 4221 (4): 477 DOI: 10.11646/zootaxa.4221.4.4