. The Big Blackfoot River restoration progress report for 2002 and 2003 . Fish populations; Fishes; Fishery management; Trout fisheries; Stream ecology; Blackfoot River (Mont. ). Habitat Assessments for the Upper Blackfoot River Introduction In 2001, we began geomorphic and habitat assessments of the upper mainstem Blackfoot River upstream of the Landers Fork at rm , continuing downstream to Stemple Pass Bridge (rm ) in 2001 (Pierce et al. 2001, 2002). In 2002 and 2003, we continued these surveys in the downstream direction with the inventory of a section of the upper Black
. The Big Blackfoot River restoration progress report for 2002 and 2003 . Fish populations; Fishes; Fishery management; Trout fisheries; Stream ecology; Blackfoot River (Mont. ). Habitat Assessments for the Upper Blackfoot River Introduction In 2001, we began geomorphic and habitat assessments of the upper mainstem Blackfoot River upstream of the Landers Fork at rm , continuing downstream to Stemple Pass Bridge (rm ) in 2001 (Pierce et al. 2001, 2002). In 2002 and 2003, we continued these surveys in the downstream direction with the inventory of a section of the upper Blackfoot River between the Stemple Pass Bridge and the confluence of the North Fork at rm (Figure 42). Our objectives were to: 1) assess mainstem morphologic and habitat features including river temperature and riffle sediment regimes; 2) augment TMDL and related studies; 3) identify areas of simplilled habitat with restoration potential; 4) provide a repeatable baseline for future monitoring; and 5) help assess habitat use by telemetered fish. The purpose is to help identify limiting factors and direct restoration activities. Study Area We stratified the upper river into three reaches (upper, middle, lower). The upper reach extends from Lincoln to Arrastra Creek (rm - ). The section begins at the lower portion of an intermittent reach - an area where the river begins to gain significant inflows from spring creeks and groundwater during base- flow periods. This gaining reach provides a concentrated spawning area for mainstem brown trout (FWP files) and very limited bull trout reproduction (FWP files). Several basin-fed tributaries, all supporting WSCT populations enter the upper reach (Pierce et al. 2000), most of which have been identified at various levels of fisheries impairment (Pierce et al. 2002). The upper reach supports significantly higher salmonid densities than the lower reach below Nevada Creek (Pierce et al. 2000, Results Part II). The middle reach exten
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