Navigation Links
Antarctic fjords are climate-sensitive hotspots of diversity in a rapidly warming region
Date:12/4/2013

Deep inside the dramatic subpolar fjords of Antarctica, researchers from the University of Hawai'i at Mānoa have discovered an unexpected abundance and diversity at the seafloor. During a recent expedition, UH scientists for the first time studied the seafloor communities of glacier dominated fjords along the west Antarctic Peninsula, a region undergoing very rapid climate warming.

The scientists expected to find impoverished seafloor communities highly disturbed by glacial sedimentation, similar to those that have been documented in well-studied Arctic regions. To their surprise, bristle worms, anemones, sea spiders, and amphipod crustaceans abounded in their seafloor photographs, along with a number of sea cucumbers, deep ocean jellyfish and other species. Above the seafloor, the fjord waters were dense with krill.

Scientists suggest that the differences in diversity and abundance between Arctic and Antarctic fjords can be explained by the fact that the subpolar Antarctic is in an earlier stage of climate warming than the Arctic, allowing the Antarctic fjords to sustain high levels of productivity. The Antarctic fjords show little disturbance from glacial melting.

"Our study area along the Antarctic Peninsula is warming as fast as anywhere in the world, and the amazing ecosystems there are changing very quickly," said Craig Smith, a professor of oceanography at UH Mānoa who has been studying how marine ecosystems in the Antarctic are responding to climate warming.

"There appears to be something special about these fjords that stimulates seafloor productivity," said Laura Grange, a researcher at the National Oceanography Centre, University of Southampton, United Kingdom, who was a postdoctoral collaborator at UH Mānoa with Smith during this study.

"Seafloor ecosystems at the bottom of fjords rely on detritus for food, so these Antarctic fjords must be getting some sort of enhanced food input, m
'/>"/>

Contact: Talia S Ogliore
togliore@hawaii.edu
808-956-4531
University of Hawaii at Manoa
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Early-career investigator discovers current volcanic activity under West Antarctica
2. NSF, US Antarctic Program partners, working to restore Antarctic research season to the maximum extent possible
3. Life found in the sediments of an Antarctic subglacial lake for the first time
4. Surprising underwater-sounds: Humpback whales also spend their winter in Antarctica
5. Warming Antarctic seas likely to impact on krill habitats
6. Glass sponges take advantage of retreating Antarctic ice shelves
7. Evidence suggests Antarctic crabs could be native
8. The Antarctic polar icecap is 33.6 million years old
9. Age matters to Antarctic clams
10. Antarcticas first whale skeleton found with 9 new deep-sea species
11. Antarcticas first whale skeleton found with nine new deep-sea species
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Antarctic fjords are climate-sensitive hotspots of diversity in a rapidly warming region
(Date:6/24/2015)... , June 22, 2015 ... the addition of the "Huawei Ascend Mate ... report to their offering. Huawei,s technological ... the opposite direction than Apple,s and Samsung,s one. ... sensor developed by Fingerprint Cards, a main actor ...
(Date:6/23/2015)... 23, 2015   MedNet Solutions , an ... entire spectrum of clinical research, is pleased to ... , the company,s intuitive, flexible and affordable cloud-based ... 2015 Stevie® Award by the American Business ... Website category.  The American Business Awards are considered ...
(Date:6/23/2015)... , June 23, 2015   Valencell, ... announced the results of a recent study that ... on the wrist during activity. In a study ... was compared along with the Apple Watch against ... measuring heart rate during activity. The study demonstrated ...
Breaking Biology News(10 mins):Huawei Ascend Mate 7 Fingerprint Sensor - Reverse Costing Analysis 2MedNet Solutions' iMedNet eClinical Wins Silver Stevie Award 2Valencell Delivers Breakthrough Heart Rate Accuracy on the Wrist 2Valencell Delivers Breakthrough Heart Rate Accuracy on the Wrist 3
... vast majority of patients who had a successful ... need mitral valve surgery three years after their ... of the left ventricle (commonly known as reverse ... the Cardiovascular Research Foundations (CRF) nineteenth annual Transcatheter ...
... D.C. October 24, 2007 - The U.S. Senate ... Appropriations Bill (S.1710), including a provision that directs the ... Access Policy by requiring rather than requesting participation by ... House Appropriations Bill, which contains a similar provision, in ...
... Germany-October 24, 2007-Harvard University,s Office of Technology Development ... jointly establish the BASF Advanced Research Initiative. ... and Applied Sciences (SEAS) the initiative will benefit ... throughout the University. Set up as a ...
Cached Biology News:New data shows benefits of MitraClip for patients with mitral regurgitation 2New data shows benefits of MitraClip for patients with mitral regurgitation 3Mandate for public access to NIH-funded research poised to become law 2BASF and Harvard University announce extensive research collaboration 2
(Date:6/29/2015)... MARIETTA, Ga. , June 29, 2015  MiMedx ... medicine company utilizing human amniotic tissue and patent-protected processes ... the Wound Care, Surgical, Orthopedic, Spine, Sports Medicine, Ophthalmic ... and CEO, Parker H. "Pete" Petit, has been awarded ... The Year® 2015 Southeast Program. The ...
(Date:6/29/2015)... 2015 According to a new market ... Application (Diagnostics, Therapeutics, R&D), by Technology (SELEX, Other Technologies), by ... - Global Forecast to 2020", published by MarketsandMarkets, the global ... from $107.56 Million in 2015, at a CAGR of 17.89%. ... 67 F igures spread through 125 ...
(Date:6/29/2015)... 2015   Veracyte, Inc . (Nasdaq: VCYT ... molecular cytology, today announced that it has been named ... list for the second year in a row. The ... an annual survey of Bay Area-company employees. ... to which Veracyte values our employees and their individual ...
(Date:6/29/2015)... , June 29, 2015 ... medical information products and services, today announced the highlights ... to the 2014 Journal Citation Reports® (JCR) published by ... Factors increase from 2013 to 2014, ahead of the ... the top rank in 62 subject categories, up from ...
Breaking Biology Technology:EY Entrepreneur Of The Year Program Recognizes Pete Petit, The Chairman & CEO of MiMedx 2Aptamers Market Worth $244.93 Million by 2020 2Aptamers Market Worth $244.93 Million by 2020 3Aptamers Market Worth $244.93 Million by 2020 4Veracyte Named a 2015 "Top Workplace" in the San Francisco Bay Area 2Veracyte Named a 2015 "Top Workplace" in the San Francisco Bay Area 3Elsevier Announces 2014 Citation Impact Highlights 2Elsevier Announces 2014 Citation Impact Highlights 3
... tracking the number and dimension of particles or droplets as they ... are specific and possibly unique, changes that are of critical importance ... provide you with the knowledge, information and best practices you need ... ...
... of a new system to study crystallization processes for ... name,Crystalline. , The Crystalline has ... to learn as much as possible about a drug ... "Avantium is proud to launch its next system ...
... Institute have discovered a new method for controlling ... potentially one step closer to realizing the mass ... sheet of carbon, was discovered in 2004 and ... silicon as the fundamental building blocks of nanoelectronics. ...
Cached Biology Technology:Maximize Data Analysis with METTLER TOLEDO FBRM 2Avantium Launches the Crystalline, a New Parallel System for Crystallization Research 2Light-speed nanotech: Controlling the nature of graphene 2
Synaptic Vesicle I Sampler Kit 10g each...
Mouse monoclonal [3A7.A11] to Thymidylate Synthase ( Abpromise for all tested applications). entrezGeneID: 7298 SwissProtID: P04818...
Mouse monoclonal [N7519] to NR0B2 ( Abpromise for all tested applications). Antigen: E.coli expressed recombinant full length protein (Human) NR0B2 Entrez Gene ID: 8431 Swiss Protein ID: ...
Integrins Sampler Kit 10g each...
Biology Products: