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the
width of the stream channel at normal winter high
flows. Active channel width can often be identified
by the absence of perennial vegetation on banks
with soil or by "scrubbed" clean rock faces on the
bank. |
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sedimentary
matter, as sand or mud, deposited by flowing water |
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feeding
and growing in the ocean or an estuary but reproducing
in freshwater |
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members
of the phylum of animals with jointed appendages
and stiff external skeletons; this phylum includes
insects, spiders, and crustaceans |
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the ecological
study of a single organism or single species of
organism |
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an
area drained by a river |
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unbroken,
solid rock, overlaid by soil |
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any of
the division (Bryophyta) of nonflowering plants
comprising the mosses and liverworts (considered
nonvascular plants) |
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general
shape of a stream channel |
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logs and
large pieces of woody material on the forest floor |
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loose deposit
of rock debris accumulated from an adjacent slope |
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mass movement process in stream channels consisting
of unsorted materials in a wet matrix |
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an area
drained, as by a river |
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a
landscape classification scheme that denotes areas
of general similarity in the type, quality, and
quantity of environmental resources; ecoregions
are designed to serve as a spatial framework for
research, assessment, management, and monitoring
ecosystems and ecosystem components |
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a method
for collecting fish using electrical current applied
in the water column |
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new branches
growing on a tree trunk after all branches in that
area have died |
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a plant
growing wholly aboveground on other plants, which
derives its nutrients from the air and rain |
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a relative scale for any spatial pattern |
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the smallest unbranched tributary in a watershed |
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pertaining to rivers and river action |
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the management of fine and coarse inflammable materials that pose a fire hazard if untreated |
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a section of stream defined by geology and land form (e.g. a constrained basalt stream reach) |
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geology in combination with land form |
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a hand-held instrument used to determine geographic location based on satellite signals |
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a slope |
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the upper tributaries of a river |
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the species of reptiles and amphibians in a region |
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logs and large pieces of woody material on the forest floor or in a stream |
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any of the complex thallophytic plants (group Lichenes) made up of a symbiotic association between an alga and/or cyanobacterium and a fungus (considered nonvascular plants) |
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small streams with no or few tributaries (1st and 2nd order streams) |
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larger streams; generally 3rd and 4th order streams |
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a fine-meshed net, generally constructed of small-gauged nylon, used to capture bats and birds |
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the formation of a symbiotic relationship between roots and particular species of fungi |
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in vegetation sampling, a small herb plot sits within a medium size shrub plot, which sits within a large tree plot |
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an ecosystem-based land management plan developed for federal lands in northern California, Oregon and Washington west of the Cascade Mountains |
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a stage in stand development characterized by advanced age, large trees, layered [canopy] structure, and abundant large wood on the forest floor |
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a nonlinear surface area differing in appearance from its surroundings (e.g. differing by vegetation---shrub-dominated patch vs. tree-dominated patch). |
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any disease-producing agent, esp. a microorganism |
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how a species develops at different times of the year |
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an ecological classification based on climate, landform, and soil |
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migrate wholly in freshwater |
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a cue or condition to which organisms respond |
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a technique used for determining locations of animals in which a small radio transmitter is placed on an animal and its location is determined by a radio receiver |
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the standards and guidelines approved for implementation of the Northwest Forest Plan |
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associated with a river or stream |
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the portion of the xylem, in the inner section of a tree, through which active water transport occurs |
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a stream formed from the convergence of two or more first-order streams |
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the body of techniques or practices used to manipulate stand environments, and direct stand and tree development to create or maintain desired conditions |
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a standing dead or dying tree |
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the number of species in an area or treatment unit |
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classification system for streams based on the number of tributaries. The smallest unbranched tributary in a watershed is designated order 1. A stream formed by the confluence of two order 1 streams is designated as order 2. A stream formed by the confluence of two order 2 streams is designated as order 3, and so on. |
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portion of a stream system that flows through a single bedrock type and is bound by tributary junctions or major waterfalls |
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a section of stream defined by specific criteria |
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an intermediate cutting used to reduce stand density and adjust the growth of trees |
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a stream formed from the convergence of two or more second-order streams |
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refers to the health and growth rate of plants |
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the uprooting of trees by wind where roots are shallow |
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