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range test - Flashcards

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Class:RANG 3600 - Range Management
Subject:Range Management
University:Southern Utah University
Term:Fall Semester 2012
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List and describe 5 rangeland products Livestock-grazing of livestock on plants to gain better yield
fiber products- wood, wool from sheep that have grazed on range
wildlife habitat- wildlife uses range for food/shelter
recreation- human use of range ex- 4 wheelers, hiking, etc
minerals- oil, gold, silver, coal, etc. can be mined from range
why is range science a multidisciplinary science? because there is so much that goes into understanding the range. EX. you have to know soil science, plant science, animal science.
Aspect the predominant direction of the slope of the land
drought prolonged dry weather generally when precipitation is 75% of average ammount
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climate average of prevailing and area over a period of years.
orthographic affect movement of air upward. causes condensation/precipitation (rain shadow effect)
AUM animal unit month. 1000 lb cow with a calf= 1 AUM
horses=1.25
mature sheep 5=1 AUM
.15 AUM= 1 lamb
amount of forage needed by animal unit to forage for 1 month
explain tragedy of the commons overuse of rangeland by grazing and recreation
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hopkins bioclimatic law 305 meters altitude same as 107 kilometers north
= 173 miles
decreaser desirable and easier for livestock to forage
increasers non desirable plants, harder for livestock to forage
what major event affected range management during 1930-1960 period? The dust bowl. forced us to change range management as a whole we started planting grass to help hold the soil so it would not blow or wash away.
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invader an introduced plant
climate wind, avg temp, humidity, precipitation
grass likes no nodes non jointed
solid stem round or triangular
leaves on 3 sides of stem
parallel veins
cyperaceae- sedges. have edges but some are round

rushes round stem
indication of moisture
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shrubs have growth rings, wood, bark, broad leaves, net like, veins, showy, flowers
R species survive based on reproduction
k survive based on vegetation
c3 cool season 95% of plants
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C4 warm season less then 1% of all plants
CAM cati- night photosynthesis
gracing tolerance produce shoots meristem growth
avoidance reduce palatability
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Rangeland uncultivated land that will provide the necessities of life for grazing and browsing animals
Range Mangament manipulation of rangeland components to to obtain the optimum combination of goods and services for society on a sustained basis
multiple use Use of range for more than one purpose for example grazing of livestock, wildlife production, recreation, watershed and timber production
soil texture the size of the mineral particles comprising the soil
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explain grazing tolerance grazing the plant to a certain point but not going too far so that the plant is able to regrow quickly and is not stunned from the growth
what is the difference between C3 and C4 plants C3- cool season
C4- warm season plants
list 5 characteristics of a forb has a flower/ showy.
biannual
has to be planted to produce seeds
has broad leaves
solid stem, leaves net-like
why must plants store carbohydrates? so that they can be more tolerant to grazing and are able to come back. also helps with photosynthesis and creating new seed and plants
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what is "R" species reproductive annuals
why are carbohydrate reserves in plant tissue poor indicators of a plants ability to tolerate grazing? because it changes daily.
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 List and describe 5 rangeland productsLivestock-grazing of livestock on plants to gain better yield
fiber products- wood, wool from sheep that have grazed on range
wildlife habitat- wildlife uses range for food/shelter
recreation- human use of range ex- 4 wheelers, hiking, etc
minerals- oil, gold, silver, coal, etc. can be mined from range
 why is range science a multidisciplinary science?because there is so much that goes into understanding the range. EX. you have to know soil science, plant science, animal science.
 Aspectthe predominant direction of the slope of the land
 droughtprolonged dry weather generally when precipitation is 75% of average ammount
 climateaverage of prevailing and area over a period of years.
 orthographic affectmovement of air upward. causes condensation/precipitation (rain shadow effect)
 AUManimal unit month. 1000 lb cow with a calf= 1 AUM
horses=1.25
mature sheep 5=1 AUM
.15 AUM= 1 lamb
amount of forage needed by animal unit to forage for 1 month
 explain tragedy of the commonsoveruse of rangeland by grazing and recreation
 hopkins bioclimatic law305 meters altitude same as 107 kilometers north
= 173 miles
 decreaserdesirable and easier for livestock to forage
 increasersnon desirable plants, harder for livestock to forage
 what major event affected range management during 1930-1960 period?The dust bowl. forced us to change range management as a whole we started planting grass to help hold the soil so it would not blow or wash away.
 invaderan introduced plant
 climatewind, avg temp, humidity, precipitation
 grass likesno nodes non jointed
solid stem round or triangular
leaves on 3 sides of stem
parallel veins
cyperaceae- sedges. have edges but some are round

 rushesround stem
indication of moisture
 shrubshave growth rings, wood, bark, broad leaves, net like, veins, showy, flowers
 Rspecies survive based on reproduction
 ksurvive based on vegetation
 c3cool season 95% of plants
 C4warm season less then 1% of all plants
 CAMcati- night photosynthesis
 gracing toleranceproduce shoots meristem growth
 avoidancereduce palatability
 Rangelanduncultivated land that will provide the necessities of life for grazing and browsing animals
 Range Mangamentmanipulation of rangeland components to to obtain the optimum combination of goods and services for society on a sustained basis
 multiple useUse of range for more than one purpose for example grazing of livestock, wildlife production, recreation, watershed and timber production
 soil texturethe size of the mineral particles comprising the soil
 explain grazing tolerancegrazing the plant to a certain point but not going too far so that the plant is able to regrow quickly and is not stunned from the growth
 what is the difference between C3 and C4 plantsC3- cool season
C4- warm season plants
 list 5 characteristics of a forbhas a flower/ showy.
biannual
has to be planted to produce seeds
has broad leaves
solid stem, leaves net-like
 why must plants store carbohydrates?so that they can be more tolerant to grazing and are able to come back. also helps with photosynthesis and creating new seed and plants
 what is "R" speciesreproductive annuals
 why are carbohydrate reserves in plant tissue poor indicators of a plants ability to tolerate grazing?because it changes daily.
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