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Arboriculture Glossary of Terms
There are 1070 entries in this glossary.
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| Term | Definition |
|---|---|
| native species |
plants indigenous to a region. Naturally occurring and not introduced by man. Contrast with exotic species, introduced species, and naturalized species.
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| natural (target) pruning |
process of branch removal in which the pruning cuts are made at nodes and in relation to the positions of the branch collar and branch bark ridge.
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| natural enemy |
predator, parasite, or pathogen that targets an organism.
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| natural-crotch rigging |
rigging methods that utilize natural crotches for the rigging points.
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| naturalized species |
non-native species that has become established in a region and propagates without human assistance. Contrast with exotic species, introduced species, and native species.
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| necrosis |
localized death of tissue in a living organism.
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| needle |
slender leaf of a conifer.
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| negligence |
failure to exercise due care.
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| nematode |
microscopic roundworm. Many are beneficial organisms, but some feed on plant tissues and may cause disease or damage.
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| node |
slightly enlarged portion of a stem where leaves and buds arise. Contrast with internode.
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| nomenclature |
scientific naming system for living organisms. Scientific names are Latin (or Latinized forms of other languages) and written in italics, the genus first (always starting with capital letter), followed by the specific epithet (species, always starting with lowercase letter, e.g., Quercus alba).
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| notch |
wedge cut into a log or tree for felling.
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| notch gate |
in carabiners, a type of gate latch mechanism. Also called pin lock or tooth lock. Has the disadvantage that it may catch on a rope. Contrast with key lock.
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| nut |
(1) a dry, hard, one-seeded fruit. (2) hardware with internal threads matched to the external threads of a bolt.
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| nutrient cycling |
movement of mineral elements (sometimes called nutrients) within an ecosystem as organic matter decomposes, releasing bound nutrients back to plants.
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| nymph |
immature form of an insect with incomplete development, resembling a smaller version of the adult without wings.
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| NZ/AS4360 |
risk management standard in Australia and New Zealand.
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