Forest Ecosystem Monitoring Cooperative(802) 656-0683femc@uvm.eduwww.uvm.edu/femc705 Spear StreetSouth BurlingtonVermont05403United States of AmericaLeaf and Twig Survey: Leaf and twig damage surveyEstablish a site-specific database of potential stress agents and damage occurence to sugar maple, American beech and yellow birch leaves and twigs. Determine site-specific baselines for leaf size and twig internodal growth for 3 hardwood species and 2 elevations.Leaf and Twig Survey: Leaf and twig damage surveySimmonsTomWilmotSandraSchultzBarbaraHansonTrishdisturbance patternselevationplant growthtreesLFSM 19921992-06-261992-08-25Assessment of leaf disease on sugar maples at the Proctor Maple Research Lab in 1992To create a site-specific database of potential sugar maple, American beech and yellow birch leaf and twig stressorsZ0083_92LFSMVMC.83.66mySQLSandra Wilmot. 1992. LFSM 1992. VT Department of Forests, Parks and Recreation. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-survey-sm-1992https://www.uvm.edu/femc/CI4/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-survey-sm-1992IDkeyUnique Record IDUnique record IDintIDUnique Record IDUnique record IDintSpeciesSpeciesSpeciestextdateDateDatedatetimeLocationLocationLocationintYYYY-MM-DDThh:mm:sssideSideSide of treeinttreeTreeUnique tree IDintleafLeafUnique leaf IDintintnNecrotic Feeding at InternodesNumber of leaves with necrotic feeding at internodesintnumber1integerchlrChloroticNumber of chlorotic leavesintnumber100realpurpPurple MottleNumber of leaves with purple mottleintnumber1integerhoppHopper and SpiderNumber of leaves with hopper and spiderintnumber10realwebbWebbing Associated With SkeletonizerNumber of leaves with webbing associated with skeletonizer intnumber100realcutrCutterNumber of leaves with cutterintnumber10realgdefDefoliationNumber of leaves with defoliationintnumber10realspinSpindle GallNumber of leaves with spindle gallintnumber10realmineBlotch MineNumber of leaves with blotch mineintnumber100realtearTear with Necrotic EdgesNumber of leaves with tear and necrotice edgesintnumber10realnecrNecrotic Number of necrotic leavesintnumber10realshotShot Hole (from gun)Number of leaves with shot hole (from gun)intnumber10realblckBlack Fuzzy Diseased SpotsNumber of leaves with black fuzzy diseased spotsintnumber10realdefmDefoliated MarginNumber of leaves with defoliated marginintnumber10realraspRasped TrackNumber of leaves with rasped trackintnumber10realthrpThripsNumber of leaves with thripsintnumber10realmiteMitesNumber of leaves with mitesintnumber10realerinEriniumNumber of leaves with eriniumintnumber10real