Sibley Volcanic Regional Preserve

Sibley Alder thiab Leatherwood Creek Restoration thiab Public Access Project (McCosker Project)

Txheej txheem cej luam

duab
Kev kho tshiab thiab hnub ci Alder Creek ntws los ntawm McCosker cov cuab yeej qub hauv Sibley Volcanic Regional Preserve.
Kev kho tshiab thiab hnub ci Alder Creek ntws los ntawm McCosker cov cuab yeej qub hauv Sibley Volcanic Regional Preserve.

Qhov loj tshaj plaws creek restoration project nyob rau hauv lub Park District lub keeb kwm tau qhwv nyob rau hauv Sibley Volcanic Regional Preserve thiab qhib rau pej xeem. Lub Alder thiab Leatherwood Creek Restoration thiab Public Access Project (yav dhau los hu ua McCosker Project), uas tau pib tsim kho xyoo 2020 rov qab ze li ib nrab mais ntawm cov kwj dej yav dhau los rau cov xwm txheej ntau dua, thiab rov kho qhov chaw nyob ntawm thaj chaw ntawm Alder, Leatherwood, thiab San Leandro creeks. Qhov chaw 250-acre yog nyob rau hauv qhov tob tob ntawm cov ntoo qhib ntoo nyob rau hauv qab ntawm ib tug ridgeline ntawm dov nyom toj roob hauv pes. 

Cov nyiaj pab rau qhov project suav nrog $ 4 lab ruaj ntseg los ntawm Assemblymember Rebecca Bauer-Kahan nyob rau hauv lub xeev pob nyiaj siv 2019. Cov nyiaj pab ntxiv yog los ntawm Park District cov neeg pov npav pom zoo Measure WW thiab lwm lub xeev thiab tsoomfwv cov nyiaj pab, suav nrog US Environmental Protection Agency, Wildlife Conservation Board, Coastal Conservancy, California State Parks, thiab los ntawm cov neeg pov npav pom zoo Propositions 1, 84, thiab 50 los ntawm California Natural Resources Agency los tiv thaiv California cov dej.

Cov lus piav qhia ntawm qhov chaw

Kev siv zog kho dua tshiab tau txhim kho qhov dej ntws zoo thiab cov dej ntws tawm thiab muab ntau yam txiaj ntsig rau cov haiv neeg thiab cov xwm txheej tshwj xeeb hauv kev sib haum xeeb nrog lub xeev. 30 x 30 pul ntawm kev tiv thaiv biodiversity thiab txhim kho huab cua resiliency. Qhov chaw no tam sim no txhawb cov xwm txheej tshwj xeeb lossis cov tsiaj tiv thaiv, suav nrog Alameda whipsnake, San Francisco dusky-footed wood nas, golden eagle, Cooper's hawk, loggerhead shrike, north harrier, and white-tailed kite.

Kev kho dua tshiab kuj tsim qhov chaw nyob rau zaj sawv trout (ib hom kab mob salmonid) los ntawm kev tsim cov kwj deg txoj kev, siv cov kauj ruam-pool uas muaj kev sib xyaw ua ke ntawm cov cascades thiab so thiab hnab tshos pas dej hauv cov chaw steeper. Qhov kev tsim tawm tshiab no nrog cov nroj tsuag riparian thiab pas dej ua ke riffle complexes, tso cai rau kev thauj cov sediment, slows flows thiab pab txo kom yaig los muab cov txiaj ntsig rau cov kab mob hauv dej thiab muab cov chaw spawning rau zaj sawv trout. Qhov tseeb, cov tub ntxhais hluas-ntawm-xyoo (cov menyuam yaus) zaj sawv zaj sawv tau pom nyob rau hauv cov channel thaum lub caij nplooj ntoos hlav 2021. Cov kws ua haujlwm tsim kho qhov project siv cov ntsiab lus tseem ceeb hauv fluvial geomorphology thiab engineering cov hauv paus ntsiab lus kom ua tau raws li lub hom phiaj ntawm kev tsim kom muaj kev ruaj khov thiab tswj tus kheej. creek channels uas xav tau theem qis ntawm kev tswj hwm kev tswj hwm thiab kev saib xyuas. 

Txoj haujlwm kho dua tshiab kuj tseem hais txog kev hloov pauv huab cua los ntawm kev ua kom cov pa roj carbon monoxide, ua kom muaj peev xwm dej nyab ntawm qhov chaw, tshem tawm cov kab mob nkag mus, txhim kho thaj chaw, thiab ntxiv cov nroj tsuag. Hauv kev txhawb nqa kev nkag mus rau pej xeem suav nrog, kev txhim kho ntxiv kev ua haujlwm suav nrog cov xwm txheej tshiab, thiab thaj chaw zoo rau yav tom ntej.

Qhov chaw kho dua tshiab hauv Sibley Volcanic Regional Preserve yog qhib rau pej xeem. Nws suav nrog thaj tsam 11-tsheb ciav hlau tawm ntawm Pinehurst Road, nrog txoj kev sib txuas rau txoj kev voj voog (lub McCosker Loop Trail) thiab txoj kev taug raws cov kwj deg ntawm lub tsev. Cov chav dej ib ntus muaj nyob rau thaum Theem 2 ntawm qhov project tab tom pib. Theem 2 ntawm qhov project suav nrog kev tsim ib pab pawg chaw pw hav zoov thiab chaw so mus tas li.

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Stabilizing jute tiv thaiv cov kwj dej cov av thaum cov nroj tsuag pib loj hlob thaum lub Kaum Ob Hlis 2022.
Stabilizing jute tiv thaiv cov kwj dej cov av thaum cov nroj tsuag pib loj hlob thaum lub Kaum Ob Hlis 2022.
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Cov nroj tsuag sprout nyob rau hauv lub tshiab hnub ci creek nyob rau hauv Lub ib hlis ntuj 2023.
Cov nroj tsuag sprout nyob rau hauv lub tshiab hnub ci creek nyob rau hauv Lub ib hlis ntuj 2023.
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Ib qho qhib hauv qab arch culvert hla Alder Creek
Ib qho qhib hauv qab arch culvert hla Alder Creek

Keeb kwm

Thaum Park District tau txais cov cuab yeej hauv xyoo 2010, cov kwj deg hauv cov cuab yeej tau muab faus rau hauv av hauv culverts los ua chaw rau cov pob zeb quarrying uas keeb kwm tshwm sim hauv cov cuab yeej. Thaum lub sij hawm Park District tau ua tswv cuab ntawm cov cuab yeej, cov culverts tau deteriorates, tsim muaj kev phom sij thiab ua rau muaj kev puas tsuaj rau cov chaw ua si nyob ib puag ncig.

Tiv tauj

Hu rau Tus Thawj Saib Xyuas Haujlwm Carmen Erasmus, CErasmus@ebparks.org los yog Senior Planner Kim Thai, KThai@ebparks.org rau cov lus nug txog qhov project.