Sampling Vegetation Attributes - Natural Resources Conservation ...

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TABLE OF CONTENTS TABLE OF CONTENTS Page I. PREFACE ..................................................................................................................i II. INTRODUCTION ...................................................................................................1 A. Terms and Concepts ...........................................................................................1 B. Techniques Not Addressed ..................................................................................2 C. Guidelines...........................................................................................................3 D. Location of Study Sites .......................................................................................3 E. Key Species ........................................................................................................ 4 F. General Observations..........................................................................................5 G. Coordination .......................................................................................................6 H. Electronic Data Recorders ..................................................................................6 I. Reference Areas ..................................................................................................6 III. STUDY DESIGN AND ANALYSIS..........................................................................7 A. Planning the Study ..............................................................................................8 B. Statistical Considerations ..................................................................................12 C. Other Important Considerations .......................................................................22 IV. ATTRIBUTES .........................................................................................................23 A. Frequency .........................................................................................................23 B. Cover ..............................................................................................................25 C. Density .............................................................................................................26 D. Production ........................................................................................................27 E. Structure ...........................................................................................................28 F. Composition .....................................................................................................28 V. METHODS ........................................................................................................... 31 A. Photographs ......................................................................................................31 B. Frequency Methods...........................................................................................37 C. Dry Weight Rank Method .................................................................................50 D. Daubenmire Method ........................................................................................55 E. Line Intercept Method ......................................................................................64 F. Step-Point Method ............................................................................................70 G. Point-Intercept Method ....................................................................................78 H. Cover Board Method ........................................................................................86 I. Density Method ................................................................................................94 J. Double-Weight <strong>Sampling</strong>................................................................................102 K. Harvest Method ..............................................................................................112 L. Comparative Yield Method .............................................................................116 M. Visual Obstruction Method - Robel Pole ........................................................123 N. Other Methods ...............................................................................................130 VI. GLOSSARY OF TERMS ......................................................................................131 VII. REFERENCES ......................................................................................................139 APPENDIXES ...............................................................................................................149 Appendix A Study Location and Documentation Data Form........................................149 Appendix B Study and Photograph Identification .........................................................153 Appendix C Photo Identification Label .........................................................................157 Appendix D Selecting Random Samples (Using Random Number Tables) ....................161
TABLE OF CONTENTS TABLE OF CONTENTS (continued) Illustration Title Page Number 1 ........ Photo Plot - 3 X 3 Plot Frame Diagram .........................................................34 2 ........ Photo Plot - 5 X 5 Plot Frame Diagram .........................................................35 3 ........ Permanent Photo Plot Location......................................................................36 4 ........ Frequency Form ....................................................................................... 44-45 5 ........ Nested Frequency Form ........................................................................... 46-47 6 ........ Frequency Frame ............................................................................................48 7 ........ Nested Plot Frame..........................................................................................49 8 ........ Dry Weight Rank Form ............................................................................ 53-54 9 ........ Daubenmire Form.................................................................................... 59-60 10 ...... Daubenmire Summary Form ................................................................... 61-62 11 ...... Daubenmire Frame ........................................................................................63 12 ...... Line Intercept Form ................................................................................. 68-69 13 ...... Cover Data Form ..................................................................................... 75-76 14 ...... Sample Units (Hits) and Recording Procedures .............................................77 15 ...... Examples of Sighting Devices ........................................................................83 16 ...... Examples of Pin Frames .................................................................................84 17 ...... Example of a Point Frame ..............................................................................85 18 ...... Cover Board Method: Density Board Form ............................................. 89-90 19 ...... Cover Board Method: Profile Board Form ............................................... 91-92 20 ...... Examples of Cover Boards .............................................................................93 21 ...... Density Form ....................................................................................... 100-101 22 ...... Production Form .................................................................................. 109-110 23 ...... Weight Estimate Quadrat.............................................................................111 24 ...... Comparative Yield Form ...................................................................... 121-122 25 ...... Robel Pole Form................................................................................... 127-128 26 ...... Robel Pole ....................................................................................................129
Page 1 and 2: SAMPLING VEGETATION ATTRIBUTES INTE
Page 3: TABLE OF CONTENTS SAMPLING VEGETATI
Page 7 and 8: I. PREFACE PREFACE The intent of th
Page 9 and 10: 2 INTRODUCTION values when individu
Page 11 and 12: 4 INTRODUCTION represent the “pul
Page 13 and 14: 6 INTRODUCTION G. Coordination Moni
Page 15 and 16: 8 STUDY DESIGN AND ANALYSIS A. Plan
Page 17 and 18: 10 STUDY DESIGN AND ANALYSIS Macrop
Page 19 and 20: 12 STUDY DESIGN AND ANALYSIS Becaus
Page 21 and 22: 14 STUDY DESIGN AND ANALYSIS d From
Page 23 and 24: 16 STUDY DESIGN AND ANALYSIS b Cove
Page 25 and 26: 18 STUDY DESIGN AND ANALYSIS sideoa
Page 27 and 28: 4 3.5 3 2.5 20 5 STUDY DESIGN AND A
Page 29 and 30: 22 STUDY DESIGN AND ANALYSIS C. Oth
Page 31 and 32: 24 ATTRIBUTES Frequency is the numb
Page 33 and 34: 26 ATTRIBUTES 2. Advantages and Lim
Page 35 and 36: 28 ATTRIBUTES b Standing crop and p
Page 37 and 38: 30 ATTRIBUTES
Page 39 and 40: 32 METHODS—Photographs c Angle ir
Page 41 and 42: METHODS—Photographs Hinge Rod sta
Page 43 and 44: METHODS—Photographs angle iron st
Page 45 and 46: 38 METHODS—Frequency • One tran
Page 47 and 48: 40 METHODS—Frequency transected,
Page 49 and 50: 42 METHODS—Frequency (3) Total fr
Page 51: Page of Frequency 44 Study Number D
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METHODS—Frequency The frame is ma
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50 METHODS—Dry Weight Rank C. Dry
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52 METHODS—Dry Weight Rank After
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D. Daubenmire Method METHODS—Daub
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METHODS—Daubenmire b Ten Cover Cl
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Page of Daubenmire Study Number Dat
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50 cm Six Cover Class Frame 20 cm R
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METHODS—Line Intercept b Pilot St
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METHODS—Line Intercept Hanley, Th
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70 METHODS—Step Point F. Step-Poi
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72 METHODS—Step Point the boot an
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74 METHODS—Step Point measures AN
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78 METHODS—Point Intercept G. Poi
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80 METHODS—Point Intercept 8. Sam
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82 METHODS—Point Intercept b Tran
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METHODS—Point Intercept Examples
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86 METHODS—Cover Board H. Cover B
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88 METHODS—Cover Board g Study Do
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Page of Cover Board Method Profile
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94 METHODS—Density I. Density Met
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96 METHODS—Density (often very mu
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98 METHODS—Density able to make s
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Page of Density Study Number Date E
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• Herbage Yield Tables for Trees
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METHODS—Double Weight Sampling (4
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METHODS—Double Weight Sampling d
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Page of Production Study Number Dat
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112 METHODS—Harvest K. Harvest Me
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114 METHODS—Harvest 7. Taking Pho
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116 METHODS—Comparative Yield L.
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118 METHODS—Comparative Yield (1)
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120 METHODS—Comparative Yield Tab
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M. Visual Obstruction Method - Robe
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METHODS—Visual Obstruction—Robe
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Sampling Interval Study Location 1
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130 METHODS—Other N. Other Method
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132 GLOSSARY browse: (1) the part o
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134 GLOSSARY grazable woodland: for
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136 GLOSSARY sample: a set of sampl
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138 GLOSSARY
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140 REFERENCES Crocker, R.L. and N.
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142 REFERENCES Hironaka, M. 1985. F
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144 REFERENCES Nie, Norman H., C. H
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146 REFERENCES Society for Range Ma
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148 REFERENCES Whitman, W.C. and E.
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Location 150 APPENDIX A Study Locat
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APPENDIX B APPENDIX B—STUDY AND P
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APPENDIX B 3. Label 3 A placard on
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APPENDIX C Photo Identification Lab
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160 APPENDIX C
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162 APPENDIX D The formula for usin
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Form Approved OMB No. 0704-0188 Pub
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