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Notification #1600-2018-0342-R3 Streambed Alteration Agreement October 28, 2019 Page 9 of 24 area does not increase beyond existing conditions. The frequency of water hyacinth removal will depend on the rate of vegetation growth and accumulation, to be determined by regular visual monitoring of the site. Based on the information gathered, SJAFCA will schedule and implement a regular mechanical removal program, removing hyacinth from the project site during the growing season, which is generally from March to early December. PROJECTIMPACTS Existing fish or wildlife resources the project could au stanti Ilv adyerseLy affect include: • Southern Distinct Population Segment of North American Green Sturgeon (Acipenser medirostris), Federally -listed as threatened and State -designated as a Species of Special Concern (SSC); • Steelhead - Central Valley Distinct Population Segment (Oncorhynchus mykiss irideus), Federally -listed as threatened; • Central Valley Spring -run Chinook salmon (Oncorhynchus tshawytscha), State and Federally listed as threatened; • Central Valley Fall/Late-Fall-run Chinook salmon (Oncorhynchus tshawytscha), State - designated as an SSC; • Delta Smelt (Hypomesus transpacificus), Federally -listed as threatened, State -listed as endangered; • Longfin Smelt (Spirinchus thaleichthys), State -listed as threatened; • Giant gartersnake (Thamnophis gigas), Federally -listed as threatened, State -listed as threatened; • Western pond turtle (Emys marmorata), State -designated as an SSC; • Swainson's hawk (Buteo swainsoni), State -listed as threatened; • Tricolored blackbird (Agelaius tricolor), State -listed as endangered; • Mason's lilaeopsis (Lilaeopsis masonii), State -listed as rare; • Suisun Marsh aster (Symphyotrichum lentum), State rare plant rank of 1 B.2; • Woolly rose -mallow (Hibiscus lasiocarpos var. occidentalis), State rare plant rank of 1 B.2; • Delta tule pea (Lathyrus jepsonii var. jepsonii), State rare plant rank of 1 B.2; • Alkali milk -vetch (Astragalus tener var. tener), State rare plant rank of 1 B.2; • Marine mammals; • California native fish; Water quality; • Nesting birds; • Bats; • Stream bed, bank and channel; • Aquatic and terrestrial vertebrates and invertebrates; • Tidal wetland habitat; • Tidally influenced in -stream habitat; • Riparian habitat; • Shaded riverine aquatic habitat The adverse effects the project could have on the fish or wildlife resources identified above without implementation of the Measures to Protect Fish and Wildlife Resources specified below, include: