Final Flashcards

(53 cards)

1
Q

River and Streams are part of the _______ system.

A

Lotic System

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2
Q

most important physical Feature

A

Current

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3
Q

Begining of a stream

A

headwaters

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4
Q

small streams have?

A

cold water and swift currents- not strong current

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5
Q

organic material that falls in water

A

allochthonous

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6
Q

energy that comes from the sun

A

autochthonous

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7
Q

Large Rivers have

A

warm water, slower strong currents

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8
Q

Factors for dune formation

A

Abundant sand
Consistent wind
water level fluctuation
vegetation

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9
Q

Dune types

A

Linear
parabolic
perched

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10
Q

high dunes atop a bluff

A

perched

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11
Q

low dunes, often parallel to shore

A

linear

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12
Q

U shaped depressions in stabilized dunes

A

parabolic

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13
Q

Dune Life Zones

A

Beach
For-dune
Inter-dunal Wetland
Back-dune forest

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14
Q

Dynamic and formidable habitat

A

Beach

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15
Q

Organisms found on beach?

A

s

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16
Q

First linear dune

A

foredune

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17
Q

how is the foredune formed

A

stabilized by plants

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18
Q

Foredune plants

A
BGP Milk the hare for bberry its poison paccoon you LH Tansy
Beach Grass
Beach pea
Milkweed
Harebell
bearberry
poison ivy
paccoon
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19
Q

Formed by water fluctuations

A

interdunal wetland

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20
Q

Trees of the Backdune forest

A

S.Mich Oak-hickory

N. Mich N.Hardwood & conifer

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21
Q

Threats to the dune

A

Exotic species Baby’s breath & spotted knapweed

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22
Q

More exotics (12)

A
Eurasian Water Milfoil	
Spiny Waterflea
Rusty Crayfish
Round Goby
Phragmites (Common Reed Grass)
Alewife
Black-grass Rush
Freshwater Jellyfish
Exotic Bur Reed
23
Q

Sea Lamprey

A

Opening of wetland canal
attack lake trout
Weirs catch adults
Chem treat for young

24
Q

Zebra Mussel

A

Bissel Threads
Devastated native clams
Shells are a public heath issue

25
Purple Loosestrife
Mechanical Removal | biological control- beetles and weevels
26
Beach Animals
``` gulls, sanderlings, sandpipers, and plovers flies, tiger beetles, and other insects ```
27
bottom dwelling organisms
benthos
28
attach or cling to substrates
periphyton
29
small creatures in the water column
plankton
30
Plankton autotrophes
phytoplankton
31
plankton heterotrophs
zooplankton
32
Large swimming organism
nekton
33
live at surface...on top or hanging underneath
neuston
34
Ponds and Lakes
lentic stystem
35
What is Thermal Stratification
the temperature density relationship of water produces a pattern of temperature change with a changing depth
36
Summer Stagnation Levels
Epilimanion 20-24 Thermocline Hypolimnion 3-5
37
Dimictic
lakes with two to overturns
38
Lake zones
Littoral Limnetic Profundal
39
Subdivisions of the littoral zone
Emergent plant zone Floating leaf zone Submergent plant zone
40
Lake Categories
Oligotrophic Mesotrophic Eutrophic
41
nutrient poor lakes with deep clear & cold waters
oligotrophic
42
intermediate in nutrients levels and the amount of productivity
Mesotrophice
43
nutrient rich lakes with warm shallow and murky waters
Eutrophic
44
5 wetland types
``` Salt Marsh Mangrove Swamp lacustrine riverine palustrine ```
45
Emergents
Cattail blue-flag Iris Joe pye weed rushes and reeds
46
Floating plants
waterlilies pondlily lilypads duckweed
47
submergents
pondweeds
48
Blue Heron colony
rookeries
49
monogamy
even sex ratio
50
polygamy
uneven sex ratio
51
polugyny
on male several females
52
polyandry
one female many males (spotted sandpiper)
53
Shallow basins of water with shore to shore vegetration
Marsh