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 growthtreesLFBE 19921992-06-261992-08-25Assessment of leaf disease on American beech 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_92LFBEVMC.83.65mySQLSandra Wilmot. 1992. LFBE 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-be-1992https://www.uvm.edu/femc/CI4/data/archive/project/leaf-twig-survey-leaf-twig-damage/dataset/leaf-and-twig-survey-be-1992speciesSpeciesSpeciestextdateDateDatedatetimeYYYY-MM-DDThh:mm:ssLocationLocationLocationintsideSideSide of treeinttreeTreeUnique tree IDintleafLeafUnique leaf IDinthoppHopper and SpiderNumber of leaves with hopper and spiderintnumber10realerinEriniumNumber of leaves with eriniumintnumber100realskelSkeletonizedNumber of skeletonized leavesintnumber10realdefoDefoliated MarginsNumber of leaves with defoliated marginsintnumber10realmineSkeletonized and Blotch Mine Number of leaves skeletonized with blotch mineintnumber10realwartWarts on MidveinNumber of leaves with warts on midveinintnumber10realscalScalesNumber of leaves with scalesintnumber10realnecrNecroticNumber of necrotic leavesintnumber10realnveiNecrotic veinNumber of leaves with necrotic veinintnumber1integernlbsNecrotic leaf baseNumber of leaves with necrotic leaf baseintnumber1integerholeHolesNumber of leaves with holesintnumber1integerapidAphidNumber of leaves with aphidsintnumber1integerchloChloroticNumber of chlorotic leavesintnumber1integermholunknownunknownintnumber1integereggEggsNumber of leaves with eggsintnumber1integerpittPitted poresNumber of leaves with pitted poresintnumber1integertattTatteredNumber of tattered leavesintnumber1integerspotLeaf spotsNumber of leaves with leaf spotsintnumber1integerpuckPuckered leafNumber of puckered leavesintnumber1integer