Wildlife Management Terms - I

Ibis: wading birds with long necks, legs, and decurved bills. Their primary foods are crayfish and snails

Impairment: state of being diminished, weakened, or damaged 

Imperiled: in danger

Impervious surface: area covered with solid material or that is compacted to the point where water cannot infiltrate underlying soils including: parking lots, roads, and driveways. Stormwater runoff speed and volume can increase in areas covered by impervious surfaces

Impoundment: natural or artificial body of water that is confined by a structure such as a dam to retain water

In-line muzzleloading gun: firearm loaded only from the discharging end of the barrel or cylinder and equipped with an enclosed ignition system located directly behind the powder charge

Inclusion: small areas within a stand which have an inherently different composition and structure (and possibly management history) than the stand in which they occur. They can be treated differently than the remainder of the stand. 

Incubation period: development of an infectious disease from time of the entrance of the pathogen to the appearance of clinical symptoms

Indigenous: native or naturally occurring in a particular region or environment

Infundibulum: funnel-shaped depression in the central crown of tooth between the crests; exterior surfaces will be stained dark

Inherited trait: inborn characteristic or behavior that is passed from parent to offspring

Insect: classification of animals with an exoskeleton, three body segments, and six legs

Insectivore: carnivorous plant or animal species which consumes mainly insects 

Instinct: inborn pattern of behavior

Inter-relationships: connections between organisms

Interdependence: dependence of organisms on the activities of other organisms

Interdigital Gland: scent gland located between a deer's hooves that leaves a scent trail for other deer as that deer walk 

Intertidal: portion of shoreline that lies between the high and low tide marks

Introduced species: species whose existence in a given area is due to human action or activity; this activity has led to its dispersal across natural geographic barriers, and/or has produced conditions favorable to its growth and spread

Invasive species: plant or animal that is not native to an area and which establish themselves and overcome or cause harm or threaten the survival of native species 

Inventory: process of counting or identifying animals

Invertebrate: animal without a backbone such as an insect, spider, snail, crab, worm, or shrimp 

Irrigation: water supplied to dry land by way of ditches, canals, and pumping systems



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