Glossary - Revision history

CMayer at 22:04, 20 April 2026

2026-04-20T22:04:40Z

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	'''Cobble:''' stream rocks larger than 6.5 cm (2.5 in) in diameter that have been shaped and smoothed over time by the abrasive force of flowing water. Larger than ''Gravel.''		'''Cobble:''' stream rocks larger than 6.5 cm (2.5 in) in diameter that have been shaped and smoothed over time by the abrasive force of flowing water. Larger than ''Gravel.''

			'''Crosswalk''':

	'''Culvert''': Structures that allow water to flow under a road, railroad, trail, or other waterway obstruction. An undersized or improperly placed culvert can limit or totally block fish ''passage''.		'''Culvert''': Structures that allow water to flow under a road, railroad, trail, or other waterway obstruction. An undersized or improperly placed culvert can limit or totally block fish ''passage''.

CMayer at 02:37, 12 April 2026

2026-04-12T02:37:41Z

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	'''Rootwad''': a bank stabilization and aquatic habitat improvement tool that involves burying a dead tree into the streambank with the root system still attached. Benefits of installing root wads include bank stability, fish habitat and insect habitat.		'''Rootwad''': a bank stabilization and aquatic habitat improvement tool that involves burying a dead tree into the streambank with the root system still attached. Benefits of installing root wads include bank stability, fish habitat and insect habitat.

	'''Roughness''' (of a channel):		'''Roughness''' (of a channel): the frictional resistance that a channel or floodplain exerts on flowing water. Affects water velocity and hydraulic forces. Roughness is generally desirable to slow water velocity and can be increased in several ways, including adding large woody debris, engineered logjams, etc.

	'''S&T''': Status & Trends.		'''S&T''': Status & Trends.

CMayer at 02:32, 12 April 2026

2026-04-12T02:32:00Z

← Older revision		Revision as of 21:32, 11 April 2026
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	'''Rootwad''': a bank stabilization and aquatic habitat improvement tool that involves burying a dead tree into the streambank with the root system still attached. Benefits of installing root wads include bank stability, fish habitat and insect habitat.		'''Rootwad''': a bank stabilization and aquatic habitat improvement tool that involves burying a dead tree into the streambank with the root system still attached. Benefits of installing root wads include bank stability, fish habitat and insect habitat.

			'''Roughness''' (of a channel):

	'''S&T''': Status & Trends.		'''S&T''': Status & Trends.

CMayer: /* Technical Terms */

2026-04-09T18:51:40Z

Technical Terms

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	'''Federal Nexus''': a connection to the federal government; more specifically, sufficient connection between an activity, entity, or property and the federal government for federal authority to apply. Used in the context of grant funding.		'''Federal Nexus''': a connection to the federal government; more specifically, sufficient connection between an activity, entity, or property and the federal government for federal authority to apply. Used in the context of grant funding.

			'''Field-Fit''':

	'''Fines''': stream sediment smaller than ''Gravel''.		'''Fines''': stream sediment smaller than ''Gravel''.

Aconley: Revie wn update of definitions

2026-03-16T18:07:30Z

Revie wn update of definitions

Show changes

CMayer at 19:00, 12 March 2026

2026-03-12T19:00:10Z

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	'''Basin''': See ''Watershed.''		'''Basin''': See ''Watershed.''

	'''BDA''': Beaver dam analog. Human-constructed habitat features that function like a beaver dam--holding back water to inundate the ''floodplain'' and raise the ''water table''. BDA's may be installed to get the benefits of beaver dams in places without beavers, or to encourage beavers to settle in a particular area.		'''BDA''': Beaver dam analog. Human-constructed habitat features that function like a beaver dam--holding back water to inundate the ''floodplain'' and raise the ''water table''. BDA's may be installed to get the benefits of beaver dams in places without beavers, or to encourage beavers to settle in a particular area. BDA's don't use logs as much as ''PALS''.

	'''Bedload''': larger ''sediment'' like sand and ''gravel'' that is transported along the bottom of a river by flowing water. ''Bedload is not a "deposit" because it continues to regularly move.'' ''[is my understanding of that correct?]'' Contrast with ''Suspended load.''		'''Bedload''': larger ''sediment'' like sand and ''gravel'' that is transported along the bottom of a river by flowing water. ''Bedload is not a "deposit" because it continues to regularly move.'' ''[is my understanding of that correct?]'' Contrast with ''Suspended load.''
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	'''HUC''': Hydrologic Unit Code, pronounced, “huck.” [https://water.usgs.gov/themes/hydrologic-units/ Hydrologic units] are the USGS's standardized hydrologic geographic units, typically referred to as HUC’s. There are several different layers of HUC’s ([https://storymaps.arcgis.com/stories/b66829c88f9b41a6940a930021133f7c see here]); the largest units are called HUC-2’s (e.g., the Pacific Northwest), and the smallest sub-units are HUC-12’s (a small local watershed). HUC codes can be pretty inscrutable to the uninitiated (just a string of numbers) and don’t always match the way we talk about watersheds locally, so the Recovery Board has developed [[Geographic Units\|<u>our own regional geographic units</u>]] with names that match local usage but can be tied back to HUCs.		'''HUC''': Hydrologic Unit Code, pronounced, “huck.” [https://water.usgs.gov/themes/hydrologic-units/ Hydrologic units] are the USGS's standardized hydrologic geographic units, typically referred to as HUC’s. There are several different layers of HUC’s ([https://storymaps.arcgis.com/stories/b66829c88f9b41a6940a930021133f7c see here]); the largest units are called HUC-2’s (e.g., the Pacific Northwest), and the smallest sub-units are HUC-12’s (a small local watershed). HUC codes can be pretty inscrutable to the uninitiated (just a string of numbers) and don’t always match the way we talk about watersheds locally, so the Recovery Board has developed [[Geographic Units\|<u>our own regional geographic units</u>]] with names that match local usage but can be tied back to HUCs.

			'''Hydraulic''':

	'''Hyporheic zone''': A zone of saturated substrate beneath and spreading laterally from a river bed. It is the zone of active water and organism exchange between the river water and ''groundwater''.		'''Hyporheic zone''': A zone of saturated substrate beneath and spreading laterally from a river bed. It is the zone of active water and organism exchange between the river water and ''groundwater''.

CMayer at 17:46, 12 March 2026

2026-03-12T17:46:26Z

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	'''Avulse/avulsion''': when the flow of a river naturally redirects, rapidly and permanently, into a new channel. Read more [https://www.sciencenews.org/article/why-rivers-suddenly-change-course here].		'''Avulse/avulsion''': when the flow of a river naturally redirects, rapidly and permanently, into a new channel. Read more [https://www.sciencenews.org/article/why-rivers-suddenly-change-course here].

			'''BACI''': Before-After Control-Impact.

	'''Background Concentration''': The concentration of a substance in a particular environment that would typically exist without human inputs.		'''Background Concentration''': The concentration of a substance in a particular environment that would typically exist without human inputs.
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	'''Life History Strategy:''' the distinct patterns of how fish use different habitats at different points in their life. For example, a fish with a ''resident'' life history may live its whole life within the same mile of stream, while a fish with a winter migrant ''fluvial'' life history may migrate to floodplains far downstream during the winter and return to its home stream in summer. Life history categories include ''Adfluvial, Anadromous, Fluvial,'' and ''Resident'', but the term is also used to talk about specific patterns in habitat usage over time within each of these larger categories.		'''Life History Strategy:''' the distinct patterns of how fish use different habitats at different points in their life. For example, a fish with a ''resident'' life history may live its whole life within the same mile of stream, while a fish with a winter migrant ''fluvial'' life history may migrate to floodplains far downstream during the winter and return to its home stream in summer. Life history categories include ''Adfluvial, Anadromous, Fluvial,'' and ''Resident'', but the term is also used to talk about specific patterns in habitat usage over time within each of these larger categories.

			'''Low-Tech Process-Based Restoration (LTPBR)''': See ''Process-Based Restoration.''

	'''LWD''': see ''Large Woody Debris''.		'''LWD''': see ''Large Woody Debris''.
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	'''''Oncorhynchus mykiss''''': the latin name for the species that, when ''anadromous'', is called steelhead, and when ''resident'', is called rainbow trout. Neither common name is the default name of the species (though the phrase "steelhead trout" is sometimes used when making a distinction from salmon); to refer to the species, we generally abbreviate it as "''O. mykiss''."		'''''Oncorhynchus mykiss''''': the latin name for the species that, when ''anadromous'', is called steelhead, and when ''resident'', is called rainbow trout. Neither common name is the default name of the species (though the phrase "steelhead trout" is sometimes used when making a distinction from salmon); to refer to the species, we generally abbreviate it as "''O. mykiss''."

			'''PALS''': Post-assisted log structures. PALS are a tool for mimicking natural wood accumulation in riverscapes to, in turn, guide stream hydraulic forces for greater stream health--floodplain connection, sinuosity, etc. Contrast with ''BDAs, ELJs.''

	'''Parr''': Once ''fry'' have grown to about 5 inches and developed vertical fingerprint marks on their sides called “parr marks”, they are considered ''Parr.'' If they are ''anadromous'', when they journey to the ocean to mature, they become ''Smolts.''		'''Parr''': Once ''fry'' have grown to about 5 inches and developed vertical fingerprint marks on their sides called “parr marks”, they are considered ''Parr.'' If they are ''anadromous'', when they journey to the ocean to mature, they become ''Smolts.''

	'''Passage''': Describes whether a fish is able to move upstream or downstream freely around obstacles. See ''Barrier,'' ''Connectivity,'' and ''(Barrier)'' ''Correction.''		'''Passage''': Describes whether a fish is able to move upstream or downstream freely around obstacles. See ''Barrier,'' ''Connectivity,'' and ''(Barrier)'' ''Correction.''

			'''PBR''': See ''Process-based restoration.''

	'''Phenotype''': The observable characteristics of an organism (such as its external appearance, development, biochemical or physiological properties, and behavior) that result from the interaction of its genotype with the environment. ''Contrast with Genotype.''		'''Phenotype''': The observable characteristics of an organism (such as its external appearance, development, biochemical or physiological properties, and behavior) that result from the interaction of its genotype with the environment. ''Contrast with Genotype.''
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	'''Precipitation''': Rain, snow, hail, etc. "Precip" for short.		'''Precipitation''': Rain, snow, hail, etc. "Precip" for short.

			'''Process-based restoration''':

	'''Productivity''': The average number of surviving offspring per parent. Used as an indicator of a population’s ability to sustain itself or its ability to rebound from low numbers. See ''SAR.''		'''Productivity''': The average number of surviving offspring per parent. Used as an indicator of a population’s ability to sustain itself or its ability to rebound from low numbers. See ''SAR.''
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	'''Side Channel''': a small channel that branches from the mainstem of a river and returns to the river further downstream. Side channels are formed by the erosive power of the river and may move, fill in, or become the new mainstem over time.		'''Side Channel''': a small channel that branches from the mainstem of a river and returns to the river further downstream. Side channels are formed by the erosive power of the river and may move, fill in, or become the new mainstem over time.

			'''Sinuosity''':

	'''Smolt''': A juvenile fish that is migrating out to the ocean.		'''Smolt''': A juvenile fish that is migrating out to the ocean.

CMayer: /* Legislation, Permits, Programs, & Plans */

2026-02-10T01:06:55Z

Legislation, Permits, Programs, & Plans

Show changes

CMayer at 00:44, 10 February 2026

2026-02-10T00:44:44Z

CMayer at 00:32, 23 January 2026

2026-01-23T00:32:46Z

← Older revision		Revision as of 19:32, 22 January 2026
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	'''High''' '''Flow Event''': Describes when the amount of water in a stream increases above the ''OHWM''. Floods count as high flow events, but not all high flow events cause flooding. High flow events generally mean increased stream velocity, which means greater movement of ''sediment'' and a less hospitable environment for fish, which will try to move to lower velocity areas like ''side channels''.		'''High''' '''Flow Event''': Describes when the amount of water in a stream increases above the ''OHWM''. Floods count as high flow events, but not all high flow events cause flooding. High flow events generally mean increased stream velocity, which means greater movement of ''sediment'' and a less hospitable environment for fish, which will try to move to lower velocity areas like ''side channels''.

			'''Hold''': when fish pause their ''migration'' and hang out in an area in the interim. Reasons fish might hold include waiting for better migration conditions, or waiting for the right season to smolt or spawn.

	'''HUC''': Hydrologic Unit Code, pronounced, “huck.” [https://water.usgs.gov/themes/hydrologic-units/ Hydrologic units] are the USGS's standardized hydrologic geographic units, typically referred to as HUC’s. There are several different layers of HUC’s ([https://storymaps.arcgis.com/stories/b66829c88f9b41a6940a930021133f7c see here]); the largest units are called HUC-2’s (e.g., the Pacific Northwest), and the smallest sub-units are HUC-12’s (a small local watershed). HUC codes can be pretty inscrutable to the uninitiated (just a string of numbers) and don’t always match the way we talk about watersheds locally, so the Recovery Board has developed [[Geographic Units\|<u>our own regional geographic units</u>]] with names that match local usage but can be tied back to HUCs.		'''HUC''': Hydrologic Unit Code, pronounced, “huck.” [https://water.usgs.gov/themes/hydrologic-units/ Hydrologic units] are the USGS's standardized hydrologic geographic units, typically referred to as HUC’s. There are several different layers of HUC’s ([https://storymaps.arcgis.com/stories/b66829c88f9b41a6940a930021133f7c see here]); the largest units are called HUC-2’s (e.g., the Pacific Northwest), and the smallest sub-units are HUC-12’s (a small local watershed). HUC codes can be pretty inscrutable to the uninitiated (just a string of numbers) and don’t always match the way we talk about watersheds locally, so the Recovery Board has developed [[Geographic Units\|<u>our own regional geographic units</u>]] with names that match local usage but can be tied back to HUCs.

← Older revision		Revision as of 19:44, 9 February 2026
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	'''Adaptive Management''': Adaptive management in salmon recovery planning is a method of decision making in the face of uncertainty. An overall implementation plan incorporates a monitoring, evaluation, and feedback framework in which the results of actions become feedback on design and implementation of future actions.		'''Adaptive Management''': Adaptive management in salmon recovery planning is a method of decision making in the face of uncertainty. An overall implementation plan incorporates a monitoring, evaluation, and feedback framework in which the results of actions become feedback on design and implementation of future actions.

	'''Adfluvial''': A life history strategy of fish species in which spawning by adults and rearing of juveniles occurs in streams, but subadults and adults live in lakes or reservoirs. ~~<ins>~~All of the Yakima ~~Basin’s~~ kokanee and many of our bull trout populations are adfluvial~~</ins>~~. ''Contrast with Anadromous, Fluvial.''		'''Adfluvial''': A life history strategy of fish species in which spawning by adults and rearing of juveniles occurs in streams, but subadults and adults live in lakes or reservoirs. All of the Yakima Basin's kokanee and many of our bull trout populations are adfluvial. ''Contrast with Anadromous, Fluvial.''

	'''Alevin:''' Freshly hatched salmonids that still have the yolk sac from their eggs attached to their bellies. Once they have consumed the yolk sac and grown in size, they emerge from their nest gravel (''Redd'') and are considered ''Fry''.		'''Alevin:''' Freshly hatched salmonids that still have the yolk sac from their eggs attached to their bellies. Once they have consumed the yolk sac and grown in size, they emerge from their nest gravel (''Redd'') and are considered ''Fry''.
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	'''ESA''': [https://www.epa.gov/laws-regulations/summary-endangered-species-act Endangered Species Act].		'''ESA''': [https://www.epa.gov/laws-regulations/summary-endangered-species-act Endangered Species Act].

	* '''ESA-listed''': a species or population of a species that is classified by the federal government under the ESA as either “endangered” with extinction or “threatened” with becoming endangered. In the Yakima Basin, we have no “endangered” fish species, but we have two ESA-listed “threatened” fish species, steelhead (the anadromous form of ~~rainbow trout~~) and bull trout. These are the highest priority species the Recovery Board works to recover.		* '''ESA-listed''': a species or population of a species that is classified by the federal government under the ESA as either “endangered” with extinction or “threatened” with becoming endangered. In the Yakima Basin, we have no “endangered” fish species, but we have two ESA-listed “threatened” fish species, steelhead (the anadromous form of ''Oncorhynchus mykiss'') and bull trout. These are the highest priority species the Recovery Board works to recover.

	'''Estuary:''' a transitional, brackish habitat where a large river meets the sea and mixes with saltwater. Generally more biologically productive than the river or the sea; read more [https://www.britannica.com/science/estuary here].		'''Estuary:''' a transitional, brackish habitat where a large river meets the sea and mixes with saltwater. Generally more biologically productive than the river or the sea; read more [https://www.britannica.com/science/estuary here].
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	'''Incision''': The process of a stream cutting its channel into the bed of a valley through erosion. An "incised" channel is one that has cut so deeply into the bed that it is disconnected from its ''floodplain''.		'''Incision''': The process of a stream cutting its channel into the bed of a valley through erosion. An "incised" channel is one that has cut so deeply into the bed that it is disconnected from its ''floodplain''.

			'''Incubation''': the period after salmon eggs are laid in ''redds'' during which they remain in the gravel for months while the embryos develop. When the eggs hatch, ''alevin'' emerge.

	'''Introduction''': Fish planted into a habitat where the species did not exist historically.		'''Introduction''': Fish planted into a habitat where the species did not exist historically.
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	'''Juvenile Rearing''': period during which young salmon grow in freshwater; includes ''Fry'' and ''Parr'' life stages. Ends when they turn into ''smolts'' and begin their migration to the ocean.		'''Juvenile Rearing''': period during which young salmon grow in freshwater; includes ''Fry'' and ''Parr'' life stages. Ends when they turn into ''smolts'' and begin their migration to the ocean.

	'''Kelt''': a steelhead that has ~~recently spawned~~ and ~~is recovering~~. Unlike Pacific salmon, steelhead (~~and~~ Atlantic salmon and European sea trout) don’t all die after spawning~~, and anadromous (as opposed to ''resident'') trout can migrate to and back from the ocean before spawning again~~.		'''Kelt''': A steelhead that has survived spawning and may return to the ocean before returning to freshwater to spawn a second (or even third) time. Unlike Pacific salmon, steelhead (as well as Atlantic salmon and European sea trout) don’t all die after spawning.

	* '''Kelt Reconditioning'''. An experimental method where steelhead are captured during the post spawning migration and held in a facility until the spawning window of the following year, at which point they are released to return to natal streams to spawn again.		* '''Kelt Reconditioning'''. An experimental method where steelhead are captured during the post spawning migration and held in a facility until the spawning window of the following year, at which point they are released to return to natal streams to spawn again.
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	'''[https://ecology.wa.gov/water-shorelines/shoreline-coastal-management/shoreline-coastal-planning/shoreline-management-act-sma/shoreline-management-act-jurisdiction/ordinary-high-water-mark OHWM]''': Ordinary High-Water Mark. The highest elevation of the regularly inundated stream channel, as marked by erosion patterns, changes in vegetation, and debris deposits. Typically at or just below the ''bankfull'' level.		'''[https://ecology.wa.gov/water-shorelines/shoreline-coastal-management/shoreline-coastal-planning/shoreline-management-act-sma/shoreline-management-act-jurisdiction/ordinary-high-water-mark OHWM]''': Ordinary High-Water Mark. The highest elevation of the regularly inundated stream channel, as marked by erosion patterns, changes in vegetation, and debris deposits. Typically at or just below the ''bankfull'' level.

	'''''Oncorhynchus mykiss''''': the latin name for the species that, when ''anadromous'', is called steelhead, and when ''resident'', is called rainbow trout. Neither common name is the default name of the species (though the phrase "steelhead trout" is sometimes used when making a distinction from salmon); to refer to the species, we generally abbreviate it as "''O. ~~Mykiss~~''."		'''''Oncorhynchus mykiss''''': the latin name for the species that, when ''anadromous'', is called steelhead, and when ''resident'', is called rainbow trout. Neither common name is the default name of the species (though the phrase "steelhead trout" is sometimes used when making a distinction from salmon); to refer to the species, we generally abbreviate it as "''O. mykiss''."

	'''Parr''': Once ''fry'' have grown to about 5 inches and developed vertical fingerprint marks on their sides called “parr marks”, they are considered ''Parr.'' If they are ''anadromous'', when they journey to the ocean to mature, they become ''Smolts.''		'''Parr''': Once ''fry'' have grown to about 5 inches and developed vertical fingerprint marks on their sides called “parr marks”, they are considered ''Parr.'' If they are ''anadromous'', when they journey to the ocean to mature, they become ''Smolts.''
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	* '''Phenotypic''' '''characteristic''': An aspect of the phenotype.		* '''Phenotypic''' '''characteristic''': An aspect of the phenotype.

	'''PIT''' '''tag''': Passive Integrated Transponder tag (a tracking device implanted in fish to study their movements). ''See Radio Telemetry.''		'''PIT''' '''tag''': Passive Integrated Transponder tag (a tracking device implanted in fish to study their movements). Pronounced like the word, “pit”. ''See Radio Telemetry.''

	'''Point Bar''': ''deposits'' of ''sediment'' on the inside of river bends (''meanders''). Point bars form as the water on the inside of meanders slows down and sediment settles out to the river bottom. As they build over time, they create distinct landforms that can influence water flow patterns and provide habitats for various plant and animal species.		'''Point Bar''': ''deposits'' of ''sediment'' on the inside of river bends (''meanders''). Point bars form as the water on the inside of meanders slows down and sediment settles out to the river bottom. As they build over time, they create distinct landforms that can influence water flow patterns and provide habitats for various plant and animal species.
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	'''S&T''': Status & Trends.		'''S&T''': Status & Trends.

	'''Salmonid''': Fish of the family Salmonidae, including salmon, trout, chars, grayling, and whitefish. In general usage, the term most often refers to salmon, trout, and chars (subfamily Salmonidae). [https://thinksalmon.com/trout-salmon-species/ Visit this website] to learn all about the various species!		'''Salmonid''': Fish of the family Salmonidae, including salmon, trout, chars, grayling, and whitefish. In general usage, the term most often refers to salmon, trout, and chars (subfamily Salmonidae). [https://thinksalmon.com/trout-salmon-species/ Visit this website] to learn all about the various species.

	'''''Salvelinus confluentus''''': latin name for Bull Trout.		'''''Salvelinus confluentus''''': latin name for Bull Trout.
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	'''Spawn''': the act of laying and fertilizing eggs. See ''Redd.''		'''Spawn''': the act of laying and fertilizing eggs. See ''Redd.''

	'''Spawning Adult''': a sexually mature adult fish that is ready or in the process of spawning (laying/fertilizing eggs). Spawning adult salmonids look distinct from their adult ocean counterparts; depending on the species, their body color changes from silver to shades of brown, green, or red. The males of some species develop a hooded snout, humped back, and elongated teeth. Salmonids do not feed once they leave the ocean and begin the migration to their freshwater spawning grounds; they spend all their energy navigating back to their natal streams to spawn. After spawning, Pacific salmon die. Some trout (and Atlantic salmon) become ''Kelts''.		'''Spawning Adult''': a sexually mature adult fish that is ready to spawn or in the process of spawning (laying/fertilizing eggs). Spawning adult salmonids look distinct from their adult ocean counterparts; depending on the species, their body color changes from silver to shades of brown, green, or red. The males of some species develop a hooded snout, humped back, and elongated teeth. Salmonids do not feed once they leave the ocean and begin the migration to their freshwater spawning grounds; they spend all their energy navigating back to their natal streams to spawn. After spawning, Pacific salmon die. Some trout (and Atlantic salmon) become ''Kelts''.

			'''Staging''': in habitat restoration projects, the action of temporarily storing machinery and materials leading up to and/or during the project. The staging area is the site where machinery/materials are stored.
			* Also, when fish hold in anticipation of future movements (e.g., fish staging in deep pools near a spawning area that they’ll spawn in soon).

	'''Stochastic''': Describes a natural event or process that is random or unpredictable. Examples include environmental conditions such as rainfall, runoff, and storms, or life-cycle events, such as survival or fecundity rates.		'''Stochastic''': Describes a natural event or process that is random or unpredictable. Examples include environmental conditions such as rainfall, runoff, and storms, or life-cycle events, such as survival or fecundity rates.

	'''Streambank''': The sloping ground that borders a stream.		'''Streambank''': The sloping ground that borders a stream.

			'''Subadult:''' a life stage, typically referred to for bull trout, where larger juvenile fish (typically 2-4 years old) migrate widely in search of food before returning to their natal streams to spawn at 4-5 years old.

	'''Subpopulation''': Groups within ''populations'' between which migration and interbreeding is presumed to occur.		'''Subpopulation''': Groups within ''populations'' between which migration and interbreeding is presumed to occur.
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	'''Supplementation''': The release and management of artificially propagated fish in streams with the intent to increase or establish naturally spawning fish populations while minimizing associated genetic and ecological risks. See ''Hatchery.''		'''Supplementation''': The release and management of artificially propagated fish in streams with the intent to increase or establish naturally spawning fish populations while minimizing associated genetic and ecological risks. See ''Hatchery.''

	'''Suspended Load''': fine ''sediment'' that remains floating in the ''water column'' before ''deposition''. Contrast with ''Bedload.''		'''Suspended Load''': fine ''sediment'' that remains floating in the ''water column'' before ''deposition''. Contrast with ''Bedload.''

	'''Staging''': in habitat restoration projects, the action of temporarily storing machinery and materials leading up to and/or during the project. The staging area is the site where machinery/materials are stored.

	* Also, when fish hold in anticipation of future movements (e.g., fish staging in deep pools near a spawning area that they’ll spawn in soon).

	'''Subadult:''' a life stage, typically referred to for bull trout, where larger juvenile fish (typically 2-4 years old) migrate widely in search of food before returning to their natal streams to spawn at 4-5 years old.		'''Subadult:''' a life stage, typically referred to for bull trout, where larger juvenile fish (typically 2-4 years old) migrate widely in search of food before returning to their natal streams to spawn at 4-5 years old.