SLIDE 46 May 8: Simenstad & Fresh--Linking Salmon to Estuarine and Nearshore Habitat Characteristics
STUDENT QUESTIONS STUDENT QUESTIONS
1) 1) Si: Once es Si: Once estuar arine habi ine habita tats ha have ve be been re en remove ved or e d or extensively nsively modif ifie ied by develop d by developmen ent, t, how s how successf ccessfully ly can t can their f eir funct nctionali
y as salmon re
aring habit habitats be be r rest stored (can y (can you rewind t rewind the f e funct nction of es
arine e areas, areas, once dist
bed)? Is rest ? Is restora
ion of moderat derate t to hig highly ly dist disturbed bed est estuari arine areas an effec e areas an effective ive use of e of managem gement dollars, dollars, or w
d these f ese funds be better sp nds be better spent l t limi miting d development a t and mo modificati tion o
dis disturbed est bed estuari arine areas? e areas? 2) 2) K Kurt rt: Can y : Can you dis discuss t s to wha what le level rese vel researchers ha chers have been able ve been able to q quan antify fy the effec e effects of individ s of individual al fac factors on t
e estu tuarine environ e environment ent (on s (on smolt
surviv rvival) al) and dist and distin inguish sal h salmon est
arine s e survival fro ival from marine su rine surv rviva
. Are more re s studies nee ies needed in t in this is area? In what area? In what areas are we areas are we m missing ng i informat atio ion, n, i.e i.e what what typ types of st s of studies sho ies should be pr be priorit ioritized zed to u underst derstand and enhanc nd and enhance es e estuari arine e surviva ival of j
nile sal salmonids?
3) 3) Si: We know t Si: We know that so some meth thing on t g on the order of 70% of P e order of 70% of Puget Sou Sound d est estuarine we arine wetland area tland areas have been lost s have been lost to develop developmen ent, t, b but we we have seen have seen some some large large recen recent r runs of ch ns of chum s salmon in t in the so e south P h Puget So Sound d are
. In other are her areas, like like Hood Hood Canal, Canal, ch chum s salm lmon rem
in listed an ed and re d returns rela rns relative vely lo ly low. Can we
correla correlate t the dra e draina nage ges w s with gre greater ch r chum re returns wit s with available available est stuari rine areas, ne areas, or are o
her factors at
work? work?
4) Kurt: Much of your rec 4) Kurt: Much of your recent work nt work has involved chinook salmon in Lake has involved chinook salmon in Lake Washington.
- Washington. Juvenile chinook sp
Juvenile chinook spend a significant period of time end a significant period of time rearing in Lake Washington before rearing in Lake Washington before movin moving int into estuarine areas, a estuarine areas, a somewhat unusual b somewhat unusual behavior for the spec havior for the species. Are
- s. Are these fish substituting
these fish substituting the lake environment for an estuar the lake environment for an estuarine rearing habitat (are the two ine rearing habitat (are the two areas serving similar ecological fu areas serving similar ecological functions?). Do Lake W nctions?). Do Lake Washington shington Chinook spent a correspondingly lesse Chinook spent a correspondingly lesser time in estuarine areas than r time in estuarine areas than
- ther chinook pop
- ther chinook populations that do
lations that do not pass t not pass through a lake environment rough a lake environment during their outmigration? during their outmigration?
5) 5) Si/K Si/Kurt: Can yo Can you cont contra rast p patt tterns of ns of use and rela e and relati tive i ve importan ance of es
arine areas areas to ch chum and fall and fall chi chinook pop
lations in P
Sound? d? 1) 1) Si: Once es Si: Once estuar arine habi ine habita tats ha have ve be been re en remove ved or e d or extensively nsively modif ifie ied by develop d by developmen ent, t, how s how successf ccessfully ly can t can their f eir funct nctionali
y as salmon re
aring habit habitats be be r rest stored (can y (can you rewind t rewind the f e funct nction of es
arine e areas, areas, once dist
bed)? Is rest ? Is restora
ion of moderat derate t to hig highly ly dist disturbed bed est estuari arine areas an effec e areas an effective ive use of e of managem gement dollars, dollars, or w
d these f ese funds be better sp nds be better spent l t limi miting d development a t and mo modificati tion o
dis disturbed est bed estuari arine areas? e areas? 2) 2) K Kurt rt: Can y : Can you dis discuss t s to wha what le level rese vel researchers ha chers have been able ve been able to q quan antify fy the effec e effects of individ s of individual al fac factors on t
e estu tuarine environ e environment ent (on s (on smolt
surviv rvival) al) and dist and distin inguish sal h salmon est
arine s e survival fro ival from marine su rine surv rviva
. Are more re s studies nee ies needed in t in this is area? In what area? In what areas are we areas are we m missing ng i informat atio ion, n, i.e i.e what what typ types of st s of studies sho ies should be pr be priorit ioritized zed to u underst derstand and enhanc nd and enhance es e estuari arine e surviva ival of j
nile sal salmonids?
3) 3) Si: We know t Si: We know that so some meth thing on t g on the order of 70% of P e order of 70% of Puget Sou Sound d est estuarine we arine wetland area tland areas have been lost s have been lost to develop developmen ent, t, b but we we have seen have seen some some large large recen recent r runs of ch ns of chum s salmon in t in the so e south P h Puget So Sound d are
. In other are her areas, like like Hood Hood Canal, Canal, ch chum s salm lmon rem
in listed an ed and re d returns rela rns relative vely lo ly low. Can we
correla correlate t the dra e draina nage ges w s with gre greater ch r chum re returns wit s with available available est stuari rine areas, ne areas, or are o
her factors at
work? work?
4) Kurt: Much of your rec 4) Kurt: Much of your recent work nt work has involved chinook salmon in Lake has involved chinook salmon in Lake Washington.
- Washington. Juvenile chinook sp
Juvenile chinook spend a significant period of time end a significant period of time rearing in Lake Washington before rearing in Lake Washington before movin moving int into estuarine areas, a estuarine areas, a somewhat unusual b somewhat unusual behavior for the spec havior for the species. Are
- s. Are these fish substituting
these fish substituting the lake environment for an estuar the lake environment for an estuarine rearing habitat (are the two ine rearing habitat (are the two areas serving similar ecological fu areas serving similar ecological functions?). Do Lake W nctions?). Do Lake Washington shington Chinook spent a correspondingly lesse Chinook spent a correspondingly lesser time in estuarine areas than r time in estuarine areas than
- ther chinook pop
- ther chinook populations that do
lations that do not pass t not pass through a lake environment rough a lake environment during their outmigration? during their outmigration?
5) 5) Si/K Si/Kurt: Can yo Can you cont contra rast p patt tterns of ns of use and rela e and relati tive i ve importan ance of es
arine areas areas to ch chum and fall and fall chi chinook pop
lations in P
Sound? d?
