Free Newsletters - Space - Defense - Environment - Energy - Solar - Nuclear
..
. 24/7 Space News .




WATER WORLD
Study provides new information about the sea turtle 'lost years'
by Staff Writers
Miami FL (SPX) Mar 10, 2014


This shows a baby loggerhead sea turtle outfitted for release. Image courtesy Jim Abernethy.

A new study satellite tracked 17 young loggerhead turtles in the Atlantic Ocean to better understand sea turtle nursery grounds and early habitat use during the 'lost years.' The study, conducted by a collaborative research team, including scientists from the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science, was the first long-term satellite tracking study of young turtles at sea.

"This is the first time we were able to show the maiden voyage of young turtles after they left the beach," said Rosenstiel School scientist Jiangang Luo and co-author of the study. "It's like you want to know how your baby is doing when you drop him or her off at the daycare for the first time."

The turtles' at-sea movements were remotely tracked for 27-220 days in the open ocean to better understand their movements, habitat preferences and thermal niche during this early-life stage.

The turtles traveled between 200 km to 4300 km (124 - 2672 miles), mainly traveling off of the continental shelf region and occupying oceanic surface waters, where young turtles likely "receive thermal benefits from solar absorption," according to the study's authors. The study also showed that young sea turtles rarely travel into continental shelf waters and frequently leave the currents of the Gulf Stream and North Atlantic Current within the North Atlantic Subtropical Gyre.

The turtle started by riding in the strongest currents in the Ocean, the Gulf Stream, then, the North Atlantic Current. But many of the turtles took a short cut via eddies which span off from the currents to the Sargassum Sea at the center of the North Atlantic Subtropical Gyre, which provide protection, thermal and food habitat for the young turtles.

The 17 loggerhead turtles were collected from nests along the southeast coast of Florida and reared in Florida Atlantic University's turtle laboratory before being released between 3-9 months of age into the Gulf Stream, offshore of their natal beaches. Prior to being released, solar-powered satellite tags were affixed to the turtles' carapace.

"What is exciting is that we provide the first look at the early behavior and movements of young sea turtles in the wild," said University of Central Florida biologist and Rosenstiel School alumna Kate Mansfield, who led the team.

"Before this study, most of the scientific information about the early life history of sea turtles was inferred through genetics studies, opportunistic sightings offshore, or laboratory-based studies. With real observations of turtles in their natural environment, we are able to examine and reevaluate existing hypotheses about the turtles' early life history. This knowledge may help managers provide better protection for these threatened and endangered species."

Once young turtles leave their nesting beaches they spend an unknown number of years at sea. Called the sea turtles 'lost years,' little is known about the migration and habitat use of young sea turtles during this period before they return to near-shore habitats as larger juveniles.

The study, titled "First satellite tracks of neonate sea turtles redefine the 'lost years' oceanic niche" was published in the DATE issue of the journal Proceedings of the Royal Academy B. The paper's co-authors include Kate Mansfield of the University of Central Florida and the National Marine Fisheries Service, Luo, Jeanette Wyneken of Florida Atlantic University and Warren P. Porter of the University of Wisconsin.

.


Related Links
University of Miami Rosenstiel School of Marine and Atmospheric Science
Water News - Science, Technology and Politics






Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News





WATER WORLD
EU, Iceland and Nordic mackerel quota talks break down
Reykjavik (AFP) March 06, 2014
Negotiations over mackerel fishing quotas have fallen apart, Iceland said Thursday, extending a dispute dubbed "the mackerel war" that has been a thorny issue in the country's EU membership bid. The European Union, Iceland, the Faroe Islands and Norway left a meeting in Edinburgh on Wednesday without reaching an agreement for 2014. Iceland's government said that the parties should leave ... read more


WATER WORLD
Control circuit malfunction troubles China's Yutu

China's Lunar Lander Still Operational

China Focus: Uneasy rest begins for China's troubled Yutu rover

Is Yutu Stuck?

WATER WORLD
Relay Radio on Mars-Bound NASA Craft Passes Checkout

Robotic Arm Crushes Rock for Study

NASA's Curiosity Mars Rover Views Striated Ground

NASA Mars Orbiter Views Opportunity Rover on Ridge

WATER WORLD
Under shadow of spy scandal, Merkel, Cameron head to tech fair

Committee Democrats Emphasize Need for Human Space Exploration Roadmap

NASA Commercial Crew Partners Complete Space System Milestones

Last Shuttle Commander Virtually Flies Boeing CST-100 to ISS

WATER WORLD
The Next Tiangong

No Call for Yutu

What's up, Yutu

China's Jade Rabbit rover comes 'back to life'

WATER WORLD
NASA says US-Russia space ties 'normal'

Cancer Targeted Treatments from Space Station Discoveries

Cosmonauts on space station to turn teacher for Russian students

Space suit leak happened before, NASA admits

WATER WORLD
Russia to Start Building New Manned Rocket Launch Pad in 2015

New Vostochny space center a key priority for Russian Far East

'Mission of Firsts' Showcased New Range-Safety Technology at NASA Wallops

First Copernicus satellite at launch site

WATER WORLD
What Would A Rocky Exoplanet Look Like? Atmosphere Models Seek Clues

Super-Earth' may be dead worlds

Kepler Mission Announces a Planet Bonanza, 715 New Worlds

Water is Detected in a Planet Outside Our Solar System

WATER WORLD
3-D printer creates transformative device for heart treatment

Video games target Japan's silver generation

Candy Crush sweetens gaming for female audience

Saving planet goes from video game to real-world craze




The content herein, unless otherwise known to be public domain, are Copyright 1995-2014 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement All images and articles appearing on Space Media Network have been edited or digitally altered in some way. Any requests to remove copyright material will be acted upon in a timely and appropriate manner. Any attempt to extort money from Space Media Network will be ignored and reported to Australian Law Enforcement Agencies as a potential case of financial fraud involving the use of a telephonic carriage device or postal service.