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APES Vocabulary
Chapers 7 & 10
ASHLEY ALLIGOOD
SKYE LEGARE
NOAH KIRK
Gage Pait
Jake Hill
Ritvik Solanki
Dissolved Oxygen

Oxygen gas (O2) incorporated evenly as a solution (dissolved) with
water.
http://i.huffpost.com/gen/12
41617/thumbs/o-FRESHWATER-facebook.jpg
El Niño

Changes in weather patterns, prevailing tropical trade winds
blowing east to west weaken to reverse direction.
http://www.ncdc.noaa.gov/t
eleconnections/enso/images
/winds_over_ocean.gif
Endangered Species

Wild species with so few individual survivors that the species could soon become
extinct in all or most of its natural range.
http://images.nationalgeographic.c
om/wpf/medialive/photos/000/004/cache/blackrhino_468_600x450.jpg
Old-Growth Forests

Virgin and old, second-growth forests containing trees that are often hundreds-sometimes thousands--of years old.

(Virgin forest- a forest in its natural state, before it has been explored or exploited
by man)

(Second-growth= natural regrowth of a forest after fire, cutting, or some other
disturbance)
Białoweiża Forest is on the border
separating Belarus and Poland. It is
part of the original forest of the
European Plains, and is one of the
largest remaining pieces.
Oligotrophic (lake)

Characterized by a low accumulation of dissolved nutrientsalts,
supporting but a sparse growth of algae and other organisms,and
having a high oxygen content owing to the low organic content.
http://plants.ifas.ufl.edu/educatio
n/images/oliogotrophic%20lake.jp
g
Pasture(s)

Managed grassland or enclosed meadow that usually is planted
with domesticated grasses or other forage to be grazed by
livestock.
http://www.lautnerfarms.co
m/wpcontent/uploads/Bertolla130321-great-pastureshot.jpg
Threatened Species

Wild species that's still abundant in its natural range, but is likely to
become endangered because of a decline in numbers.
The beluga whale, a near
threatened species.
http://images.nationalgeographic
.com/wpf/medialive/photos/000/004/cache/belug
a-whale_458_600x450.jpg
Transition Zone

Middle zone of the 3 zones of the downhill flow of water, between
the source zone and floodplain zone, where headwater streams
merge to form wider, deeper, and warmer streams that flow down
gentler slopes with fewer obstacles.
http://mastermanapes.pbwo
rks.com/f/1295130812/stream
zones.jpg
Turbidity

CLOUDINESS IN A VOLUME OF WATER. A MEASURE OF CLARITY OF WATER IN
LAKES, STREAMS, AND OTHER BODIES OF WATER.