FIELD INSTRUCTIONS FOR THE PERIODIC INVENTORY OF HAWAII 2019 - 2021 FOREST INVENTORY AND ANALYSIS RESOURCE MONITORING AND ASSESSMENT PROGRAM PACIFIC NORTHWEST RESEARCH STATION USDA FOREST SERVICE THIS MANUAL IS BASED ON: FOREST INVENTORY AND ANALYSIS NATIONAL CORE FIELD GUIDE VOLUME I: FIELD DATA COLLECTION PROCEDURES VERSION 8.0 Cover image by Gretchen Bracher pg.III Table of Contents CHAPTER 1 INTRODUCTION . 19 SECTION 1.1 ORGANIZATION OF THIS MANUAL. 19 SECTION 1.2 THE INVENTORY . 20 SECTION 1.3 PRODUCTS . 20 SECTION 1.4 UNITS OF MEASURE . 20 SECTION 1.5 PLOT DESIGN GENERAL DESCRIPTION . 20 SUBSECTION 1.5.1 PLOT LAYOUT . .21 SUBSECTION 1.5.2 DATA ARE COLLECTED ON PLOTS AT THE FOLLOWING LEVELS . .21 SECTION 1.6 QUALITY ASSURANCE/QUALITY CONTROL . 22 SUBSECTION 1.6.1 GENERAL DESCRIPTION . .22 SECTION 1.7 SAFETY . 22 SUBSECTION 1.7.1 SAFETY IN THE WOODS. .22 SUBSECTION 1.7.2 SAFETY ON THE ROAD. .23 SUBSECTION 1.7.3 WHAT TO DO IF INJURED . .23 CHAPTER 2 LOCATING THE PLOT . 25 SECTION 2.1 LOCATING AN ESTABLISHED PLOT. 25 SUBSECTION 2.1.1 NAVIGATING WITH PHOTOGRAPHY . .25 SUBSECTION 2.1.2 NAVIGATING WITH GPS . .25 SUBSECTION 2.1.3 NAVIGATING WITH REFERENCE POINT (RP) DATA. .26 SUBSECTION 2.1.4 REVERSE REFERENCE POINT (RP) METHOD . .26 SECTION 2.2 ESTABLISHED PLOT ISSUES . 26 SUBSECTION 2.2.1 DIFFICULTY FINDING ESTABLISHED PLOTS . 26 SUBSECTION 2.2.2 INCORRECTLY INSTALLED PLOT . .27 SUBSECTION 2.2.3 INCORRECTLY INSTALLED SUBPLOT OR MICROPLOT . .27 SUBSECTION 2.2.4 PC STAKE OR SUBPLOT/MICROPLOT PIN MISSING OR MOVED . .27 SUBSECTION 2.2.5 LOST SUBPLOT . .28 SUBSECTION 2.2.6 LOST PLOT (REPLACEMENT PLOT) . .28 SECTION 2.3 LOCATING NEW PLOTS . 28 SUBSECTION 2.3.1 INSTALLING A PLOT WITH TARGET (TGT) COORDINATES . .28 SECTION 2.4 CIRCUMSTANCES PRECLUDING PLOT ESTABLISHMENT/ MEASUREMENT. 29 CHAPTER 3 PLOT LAYOUT AND REFERENCING. 31 SECTION 3.1 PLOT DESIGN . 31 of Contents Table SUBSECTION 3.1.1 PLOT LAYOUT . .31 SUBSECTION 3.1.2 PLOT DIMENSIONS . .31 SECTION 3.2 PLOT ESTABLISHMENT . 32 SUBSECTION 3.2.1 PLOT ESTABLISHMENT GUIDELINES. .32 SUBSECTION 3.2.2 PLOT INTEGRITY . .32 SUBSECTION 3.2.3 NEW PLOT ESTABLISHMENT TOLERANCES. .33 pg.IV SECTION 3.3 MONUMENTING AND REFERENCING PLOT CENTER . 33 SUBSECTION 3.3.1 THE REFERENCE POINT . .33 SUBSECTION 3.3.2 WITNESS TREES/OBJECTS . .34 SUBSECTION 3.3.3 EXCEPTIONS TO MONUMENTING PLOT CENTER. .35 SECTION 3.4 MONUMENTING AND REFERENCING SUBPLOTS 2 THROUGH 4 35 SUBSECTION 3.4.1 LOCATE AND MONUMENT SUBPLOT CENTER . .35 SUBSECTION 3.4.2 ESTABLISHING SUBPLOTS WHEN PLOT CENTER IS INACCESSIBLE . .35 SUBSECTION 3.4.3 LOCATE AND MONUMENT THE MICROPLOT. .36 SECTION 3.5 MONUMENTING AND REFERENCING ENTIRELY NONFOREST PLOTS . 36 SUBSECTION 3.5.1 NONFOREST PLOTS WITH MEASURABLE NONFOREST . .36 SUBSECTION 3.5.2 NONFOREST PLOTS WITHOUT MEASURABLE NONFOREST . .36 CHAPTER 4 PLOT LEVEL DATA. 37 SECTION 4.1 LOST PLOT/REPLACEMENT PLOT. 37 SUBSECTION 4.1.1 LOST ANNUAL PLOT. .37 SUBSECTION 4.1.2 REPLACEMENT PLOT. .37 SECTION 4.2 PLOT LEVEL DATA DOWNLOADED TO THE PDR . 37 SUBSECTION 4.2.1 PLOT LEVEL DATA ITEMS . .38 ITEM 4.2.1.1 STATE OR COUNTRY (CORE 1.1) . 38 ITEM 4.2.1.2 ISLAND (PACI) . 38 ITEM 4.2.1.3 COUNTY (CORE 1.2) . 38 ITEM 4.2.1.4 PLOT NUMBER (CORE 1.3). 38 ITEM 4.2.1.5 CYCLE (PNW). 38 ITEM 4.2.1.6 SUBCYCLE (PNW) . 39 ITEM 4.2.1.7 FIELD GUIDE VERSION (CORE 1.12). 39 ITEM 4.2.1.8 PDR STARTING DATA RECORDER VERSION NUMBER (PNW) . 39 ITEM 4.2.1.9 PDR ENDING DATA RECORDER VERSION NUMBER (PNW) . 39 ITEM 4.2.1.10 DECLINATION (CORE OPTIONAL 1.14) . 40 ITEM 4.2.1.11 CHANGE MATRIX REQUIRED (PNW). 40 ITEM 4.2.1.12 P2 VEGETATION SAMPLING STATUS (CORE OPTIONAL 8.3.1) . 40 ITEM 4.2.1.13 LEVEL OF DETAIL (CORE OPTIONAL 8.3.2) . 40 ITEM 4.2.1.14 INVASIVE PLANT SAMPLING STATUS (CORE OPTIONAL 9.3) . 41 ITEM 4.2.1.15 INVASIVE PLANT SPECIMEN COLLECTION RULE (CORE OPTIONAL 9.12) . 41 ITEM 4.2.1.16 DWM SAMPLING STATUS (BASE) . 41 ITEM 4.2.1.17 SURVEY GRADE GPS SUBPLOT ROVER FILES COLLECTED (PNW) . 42 ITEM 4.2.1.18 YEAR OF PREVIOUS INVENTORY (PNW) . 42 ITEM 4.2.1.19 MONTH OF PREVIOUS INVENTORY (PNW) . 42 SECTION 4.3 PLOT LEVEL DATA COLLECTED IN THE FIELD . 43 SUBSECTION 4.3.1 CREW VISIT INFORMATION . .43 ITEM 4.3.1.1 SAMPLE METHOD CODE (PNW) . 43 ITEM 4.3.1.2 QA STATUS (CORE 1.17) . 43 ITEM 4.3.1.3 CREW NUMBER (CORE 1.18) . 43 SUBSECTION 4.3.2 CURRENT DATE OF INVENTORY. .44 ITEM 4.3.2.1 YEAR (CORE 1.13.1) . 44 ITEM 4.3.2.2 MONTH (CORE 1.13.2). 44 ITEM 4.3.2.3 DAY (CORE 1.13.3) . 44 SUBSECTION 4.3.3 TIME SPENT ON PLOT . .44 ITEM 4.3.3.1 TRAVEL TIME TO PLOT (PNW). 44 ITEM 4.3.3.2 MEASUREMENT TIME ON PLOT (PNW) . 45 ITEM 4.3.3.3 TRAVEL TIME FROM PLOT (PNW) . 45 SUBSECTION 4.3.4 PLOT LEVEL FUNDAMENTALS . .45 Table of Contents pg.V ITEM 4.3.4.1 PLOT STATUS (CORE 1.4) . ..