Record Details

page 3-28

Digital Collections at BYU

Field Value
Title page 3-28 Final environmental impact statement on the Provo River Restoration Project, page 3-28
Coverage Electronic reproduction;
Format 3-28 text/PDF
Rights Brigham Young University; http://lib.byu.edu/about/copyright/generic.php Public Domain Public
Language English; eng; en
Relation Central Utah Project; Western Waters Digital Library; 34.4 344 344 description of impact area of influence the wetland resource impact area of influence consists of about 10 miles of the provo river corridor between jordanelle Jor danelle dam and deer creek reservoir map 31 3 1 in section 311.1 3111 of this EIS shows the impact area of influence by river reach 34.5 345 345 affected environment baseline conditions wetlands types in the provo river corridor include wet and moist meadows emergent marshes shrub wetlands and riparian woodland additional information is presented in the following subsection for the riparian woodland community type along the provo river corridor map A 2 in pocket at back of final wetlands technical report shows the wetland community types and map 31 3 1 in section 311.1 3111 shows the impact area of influence 345.1 3451 3451 moist meadow complex about 3084 acres of moist meadow complex were mapped in the heber valley of which 10 percent or 308 acres are wetlands existing in most of the flood irrigated agricultural lands in the north fields and south fields regions of the project area of influence moist meadow vegetation is primarily composed of grasses and grasslike grass like plants averaging I 1 1 to 4 feet high the common species include spreading bentgrass bent grass water sedge rush timothy phleum pratense pretense pr atense kentucky bluegrass and white clover trifolium re pens irrigation and subirrigation are the primary sources of water for moist meadows moist meadow is somewhat drier than wet meadow 345.2 3452 3452 wet meadow USBR USER wetlands the USBR USER wetlands were designed and constructed as mitigation for wet meadow wetland impacts when the jordanelle Jor danelle dam and reservoir were constructed and highway 40 was relocated USBR USER constructed wetland cells on about 134 acres of lands adjacent to the provo river below the jordanelle Jor danelle dam and south of relocated highway 40 the cells provide open water habitat including breeding areas and possibly other life stages for spotted frog emergent 3 vegetation and sedge meadows and are separated by constructed dikes water rights for the wetlands were secured by USBR USER when land was purchased at jordanelle Jor danelle reservoir the water supply to individual wetland cells and water levels in each cell are controlled by weirs constructed in the dikes USBR USER is continuing its efforts to develop these wetlands to meet the project 404 permit stipulations 3453 34.53 3453 emergent marsh emergent marsh occurs in scattered small areas generally adjacent to agricultural areas the USBR USER constructed wetland area provides some emergent marsh habitat these marshes are 100 percent wetland 345.4 3454 3454 sh shrub ru b netland wetland wetlan betlan d shrub wetlands dominated by tall shrubs principally willows are located in a number of different habitats including scattered locations adjacent to springs and along ditches and creeks in wetter abandoned agricultural lands these wetlands occur primarily in areas too wet for most land uses except recreation or wildlife habitat As mapped the shrub wetland mapping unit contains 100 percent wetlands dominant shrub species include coyote willow salix exigua exguq exigia ext exi gua yellow willow salix lutea and river hawthorn crataegus dougla douglasii sii dominant herbaceous species are reed canarygrass canary grass Ph phalaris alatis arundmacea arundinacea arund macea fowl bluegrass poa palustris pa lustris and duckweed lemna sp 345.5 3455 3455 riparian woodland riparian woodland as mapped for baseline conditions contains 25 percent wetland large areas of riparian woodland are found in the following areas up to 800 feet from the river and levees in the northern part of heber valley near the USBR USER mitigation wetlands near the crossing by river road and from I 1 1 mile upstream to one half mile downstream of the midway road crossing in other areas riparian woodlands are mostly confined to a narrow strip along the banks of existing dikes an estimated 316 acres of riparian woodland currently exist in the impact area of influence the primary tree species in riparian woodland is narrowleaf narrow leaf cottonwood populus angustifolid angustifolia other dominant or common trees include boxelder box elder acer negundo crack willow salixfiragilis salix ppa fra mpa fragulis fragilis gilis speckled alder alnus incani incana and river hawthorn dominant and 28
Identifier http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/7730

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