increment borer
increment borer
[′iŋ·krə·mənt ‚bȯr·ər] (forestry)
An augerlike instrument with a hollow bit, used to extract thin radial cylinders of wood from trees to determine age and growth rate.
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Professional foresters and forest researchers use an increment borer to obtain cross-sectional samples ("cores") without damaging a living tree.
An increment borer is a better choice for sampling large trees.
Core samples were taken from all trees in each plot using an increment borer to measure the basic density (BD) and compressive strength parallel to the grain (CS).
For example, they use an increment borer to age trees, soil pH and temperature meters, and a clinometer to estimate the height of the trees.
When foresters need to know the age of trees, the usual method is to use a tool called an increment borer to extract a core about the thickness of a pencil.
Of course, to see tree rings you must either cut the tree down ("not my favorite option," deadpans Copenheaver), cut a wedge out (not recommended), or use an increment borer to extract an approximately 1/4-inch tube-like sample or wood from the tree.
Long story short, their work involves taking small, pencil-size plugs out of living and dead trees with a Swedish increment borer, a specialized tree-boring tool.
He didn't have an increment borer until I gave him mine.
Tenders are invited for Procurement of following new equipments:1) Atomic Absorption Spectrometer; 2) A3 Scanner with Digital Camera for digitization of Herbarium ; 3) HPLC; 4) Insect Growth Chamber; 5) BOD Incubator; 6) Gel Documentation System; 7) Thermal Cycler (PCR); 8) UV-Trans-illuminator; 9) Deep Freezer; 10)Tissue Homogenizer; 11) Incubator; 12) Water Bath; 13) Seed Image Analyzer; 14) Digital Caliper; 15) Laminar Flow Hood; 16) Cooling Centrifuge; 17) Vertex Laser; 18) Increment Borer.
Limited Tenders are invited for Supply Of Increment Borers Two Types
Other catalog treasures: bright-colored flagging and tree paint for marking plots and boundaries; increment borers for extracting cores of wood to tell the ages and growth rates of trees without cutting them down; cant hooks, pickeroons, and hookaroons for holding and moving logs; specialized shovels and hoes for planting or seeding; winches, levers, and jacks for directional felling of trees and moving heavy material; more than 26 different kinds of pruners; soil samplers and testers; rugged woods wearing apparel; safety equipment, signs, and on and on.
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