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COA News, Summer/Fall 2002
COA NEWS
COLLEGE OF THE ATLANTIC
SUMMER/FALL 2002
BAR HARBOR, MAINE
COA Biologists and Intel Scientists Use Sensor
Technology to Monitor Elusive Seabirds in Maine
For scientists at College of the Atlantic
ecology."
several biology students.
studying the Leach's Storm Petrel, moni-
The raw information provided by the
Biologists believe the 237-acre
toring the shy seabird's nest activity has
motes will help biologists understand why
island, located 12 miles from Acadia
meant sticking a cumbersome remote
the Leach's Storm Petrel (Oceanodroma
National Park, may be home to one of
camera or a daring arm into burrows. But
leucorhoa) favors Great Duck Island over
the largest petrel breeding colonies in
since Monday, August 5, these biologists
thousands of other islands off the coast of
the eastern United States. The storm
- and petrel buffs around the world - have
Maine. "This is particularly important in
petrel is particularly challenging to study
been able to monitor a popular breeding
conservation questions," said Anderson.
because it spends most of its life offshore,
site in real time through the
returning to land only during the
Internet while sitting comfortably
sensitive breeding period from the
in front of their computers.
end of May through October. On
Wireless sensor technology
land, the petrels stay hidden dur-
developed at the Intel Research
ing the day to avoid predators,
Laboratory with assistance from
typically emerging after 10:00 p.m.
the University of California,
The motes were placed in six
Berkeley, is making this powerful
burrows and the surrounding
method of habitat monitoring
brush, covering an area just larger
than half a football field. "From
possible. Over the summer,
researchers from the Intel lab and
the biological side of things, sam-
from UC Berkeley teamed with
ple size is very important," said
Anderson. "The more individuals
COA biologists to install a net-
work of more than 20 miniatur-
you can look at, the more you
know about the health of the
ized sensors, or motes, on nearby
Great Duck Island.
colony."
The idea for the project began
Each device, slightly bigger
through Anderson's friendship
than the two AA batteries power-
with Alan Mainwaring, a research
ing it, is now beaming back raw
scientist at the Intel Research lab-
data about the conditions in the
oratory in Berkeley. "We were
burrows and the island's microcli-
looking for an application to field
mate that the public can view at
test the motes, and John needed a
http://www.greatduckisland.net.
reliable way to monitor the petrels
"There is nothing else like
Maine Public Radio's Naomi Schalit interviews John Anderson on
this sensor network available for
Great Duck Island for a segment on "Maine Things Considered"
throughout the year," said
in late June. The mote sensor can be seen to the right of Anderson.
Mainwaring.
conservation biologists, nothing
With Anderson's input,
that can provide good quality data
researchers at Intel and Berkeley
in such dense numbers," said John
"We want to know which islands are
designed the motes to detect light, baro-
Anderson, associate dean of advanced
important for the seabirds, and why. We
metric pressure, relative humidity and
studies and conservation biologist at
may learn that the microhabitat of Great
temperature conditions. An infrared heat
COA. Anderson and students have been
Duck Island is unique and in need of pro-
sensor detects whether the nest is occu-
studying seabird colonies on Great Duck
tection."
pied by a seabird and whether the bird
Island for the past four years. "What's
Up to now, obtaining an accurate
has company. Motes within the burrows
really exciting about this is that we can
count of the elusive seabirds involved
and around the brush send readings out
get a feel for what happens on the island
expensive, carefully planned trips to the
to a single gateway sensor above ground,
when humans aren't there," he said.
island with a pen, paper and a portable
which then relays collected information
"This kind of sensor network will have
video system - dubbed the "petrel peeper"
to a laptop computer locked away at a
a profound effect on how we do field
- that was transported by wheelbarrow or
lighthouse on the island. The laptop,
Continued on page 2
Sensor Technology,
from page 1
COA News
The Newsletter of
powered by photovoltaic cells, connects
College of the Atlantic
to the Internet via satellite.
The petrel project is one of the
Summer/Fall 2002
first real world applications for wireless
sensors developed by the Intel Research
PRESIDENT
Laboratory. The lab, a cooperative
Steven K. Katona
research project between Intel and UC
DIRECTOR OF DEVELOPMENT
Berkeley, was opened in the spring of
Eleanor Grace Courtemanche
2001 and is led by professor David Culler.
The aim of the project is to develop sen-
EDITOR
sors that can organize themselves into ad
Carroll Gordon
hoc networks and provide information
Director of Public Relations
about the physical world to information
CONTRIBUTORS
systems. The sensors are called "motes"
Rebecca Buyers-Basso '81
because they may one day be as small as
John Anderson shows COA student Mike
Dorothy Wills Knapp
dust motes.
Shepherd how to use the "Petrel Peeper."
Hans Mulder, co-director of the
CHAIRMAN OF THE
Intel Research Lab at Berkeley says "we
months, while the relay sensor - which
BOARD OF TRUSTEES
are about ten years away from having
consumers more power - is rigged to a
John N. Kelly
sensors that cost less than a dollar." He
solar panel.
envisions a day when thousands of inex-
Mainwaring pointed out that
COA News is published twice a year
pensive sensors will be embedded in walls
motes placed in an office building or
and is circulated to alumni,
to provide feedback on the structural
home do not need to contend with rain,
students, parents and friends of
College of the Atlantic.
integrity of a building after an earth-
sand or a curious seabird's beak. He said
quake. Sensor nets could give rise to pre-
the motes in the burrows are protected
cision agriculture where every grapevine
from dirt and moisture by a 10-micron
has a sensor that tracks moisture, humidi-
thick polymer coating that is biologically
ty, temperature and sunlight. Sensors on
inert. An acrylic, cylindrical casing pro-
machines in a manufacturing plant could
tects the motes above ground.
detect a rise in temperature or excessive
The researchers will be monitor-
THE COLLEGE OF
vibration and signal that a repair needs
ing the data and improving on the system
THE ATLANTIC
to be done before a part breaks.
over the next several months. They plan
VISION STATEMENT
"The unique requirements of
to return to Great Duck Island in April
The faculty, students,
monitoring wildlife really pushed the
to deploy more motes before the start of
trustees, staff and alumni
engineering of the motes in new direc-
next year's breeding season.
tions," said Culler. Biologists aren't able
of College of the Atlantic
to visit research sites more than a few
envision a world where
times a year, and they avoid doing SO to
people value creativity,
lessen the negative ecological impact of
Read more about
intellectual achievement,
repeated human presence. It therefore
and the diversity of nature
became especially important to reduce
Alan Mainwaring
and human cultures. With
the motes' power consumption SO the
on page 11.
respect and compassion,
sensors would last between visits. The
individuals will construct
motes in the burrows can run continu-
meaningful lives for
ously on two AA batteries for six
themselves, gain
appreciation for the
relationships among all forms
Inside COA News
of life, and safeguard the
New Faces at COA p. 3
Technology Innovator: Jay McNally '84 p. 10
heritage of future generations.
Watershed Signs Posted p. 3
Brass Week 2002 p. 10
Graduation 2002 pp 4-6
Allied Whale Celebrates Thirty
VISIT THE COA WEBSITE
Distinguished Lecturer 2002 p.
6
Years p. 11
www.coa.edu
Touring Adventures: The Big Dig
Ecological Entrepreneurship Series
by Rebecca Buyers-Basso '81 p. 7
Set for the Fall p. 11
"Summertime 'an the livin' is
The Lobster Quadrille Chronicled p. 12
easy" pp. 8-9
COA News
2
SUMMER/FALL 2002
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COA News, Summer/Fall 2002
COA News was published from 1977 until 2002.