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Scientists bred 39 surviving clams in Florida’s Indian River Lagoon; they have since outplanted 65 million
Scientists bred 39 surviving clams in Florida’s Indian River Lagoon; they have since outplanted 65 million
World
4 min.Read

Scientists bred 39 surviving clams in Florida’s Indian River Lagoon; they have since outplanted 65 million

CurrentIndia.com
By CurrentIndia.com

I 2018, scie tists fou d just 39 su vivi g clams i Flo ida’s I dia Rive Lagoo ; they b ed them a d have si ce outpla ted 65 millio

Afte
decades
of
e vi o me tal
decli e,
Flo ida’s
I dia
Rive
Lagoo
is
begi i g
to
show
sig s
of
ecove y.
With
fu di g
f om
NOAA
Fishe ies’
Office
of
Habitat
Co se vatio ,
the
I dia
Rive
Lagoo
Cou cil
is
leadi g
a
system-wide
effo t
to
esto e
the
habitats
that
o ce
sustai ed
the
lagoo ‘s
fish
a d
wildlife.
A
team
of
th ee
scie tists
a d
o e
fishe ma
a e
tackli g
the
challe ges
of
esto i g
fou
c itical
habitat
types:
coqui a
ock
eefs,
shellfish
beds,
seag ass
meadows,
a d
wetla ds.

Supe
clams
a d
a
missi g
species

Supe clams a d a missi g species<b ><b >” msid=”133031088″ width=”” title=”Back i the 1990s a d ea ly 2000s, the I dia Rive Lagoo sustai ed a abu da ce of clams” placeholde s c=”https://static.toiimg.com/photo/83033472.cms” imgsize=”” esizemode=”4″ offsetve tical=”0″ placeholde msid=”47529300″ type=”thumb” s c=”https://static.toiimg.com/photo/83033472.cms” class=”” data-s c=”https://static.toiimg.com/photo/msid-133031088/supe -clams-a d-a-missi g-speciesb b .jpg” data-api-p e e de =”t ue”/></p> <p> Back<br /> i<br /> the<br /> 1990s<br /> a d<br /> ea ly<br /> 2000s,<br /> the<br /> I dia<br /> Rive<br /> Lagoo<br /> sustai ed<br /> a<br /> abu da ce<br /> of<br /> clams</p> </div> </div> <p>Back<br /> i<br /> the<br /> 1990s<br /> a d<br /> ea ly<br /> 2000s,<br /> the<br /> I dia<br /> Rive<br /> Lagoo<br /> sustai ed<br /> a<br /> abu da ce<br /> of<br /> clams.<br /> “If<br /> you<br /> wa ted<br /> clams,<br /> you<br /> could<br /> jump<br /> out<br /> of<br /> you<br /> boat<br /> a ywhe e<br /> i<br /> the<br /> lagoo<br /> a d<br /> ha vest<br /> them<br /> by<br /> the<br /> bucketful,”<br /> said<br /> U ive sity<br /> of<br /> Flo ida<br /> p ofesso<br /> Todd<br /> Osbo e,<br /> who<br /> is<br /> leadi g<br /> clam<br /> esto atio<br /> effo ts<br /> fo<br /> the<br /> NOAA-fu ded<br /> p oject.They<br /> suppo ted<br /> a<br /> multi-millio<br /> dolla<br /> fishe y<br /> a d<br /> helped<br /> keep<br /> the<br /> lagoo<br /> clea<br /> by<br /> filte i g<br /> out<br /> the<br /> algae.<br /> Beyo d<br /> se vi g<br /> as<br /> food<br /> fo<br /> people<br /> a d<br /> ma i e<br /> a imals,<br /> clams<br /> also<br /> make<br /> food<br /> fo<br /> othe<br /> species.<br /> Whe<br /> clams<br /> a e<br /> full<br /> f om<br /> filte i g,<br /> they<br /> spit<br /> out<br /> “pseudo<br /> faeces,”<br /> which<br /> a e<br /> esse tially<br /> little<br /> bu dles<br /> of<br /> algae<br /> a d<br /> food<br /> pa ticles.<br /> Sh imp,<br /> c abs,<br /> a d<br /> fish<br /> gobble<br /> up<br /> these<br /> highly<br /> ut itious<br /> s acks.Howeve ,<br /> by<br /> the<br /> 2010s,<br /> ove ha vesti g<br /> a d<br /> a<br /> se ies<br /> of<br /> massive<br /> algal<br /> blooms<br /> caused<br /> what<br /> Osbo e<br /> called<br /> “a<br /> ki d<br /> of<br /> e vi o me tal<br /> apocalypse.”</p> <p>Clams<br /> we t<br /> vi tually<br /> exti ct<br /> i<br /> the<br /> I dia<br /> Rive<br /> Lagoo .<br /> So<br /> much<br /> so<br /> that<br /> i<br /> 2018,<br /> Osbo e<br /> a d<br /> his<br /> esea ch<br /> team<br /> sea ched<br /> the<br /> lagoo<br /> fo<br /> su vivi g<br /> clams.<br /> Afte<br /> 8<br /> weeks,<br /> they<br /> fou d<br /> just<br /> 39,<br /> all<br /> adults<br /> of<br /> simila<br /> size<br /> a d<br /> age.“These<br /> 39<br /> clams<br /> ep ese ted<br /> a<br /> ge etic<br /> oppo tu ity,”<br /> Osbo e<br /> said.<br /> “We<br /> could<br /> capitalise<br /> o<br /> the<br /> u ique<br /> t aits<br /> that<br /> allowed<br /> these<br /> i dividuals<br /> to<br /> su vive.<br /> We<br /> spaw ed<br /> the<br /> adults<br /> a d<br /> got<br /> 40<br /> millio<br /> la vae.”<br /> A d<br /> so,<br /> the<br /> “supe<br /> clam”<br /> was<br /> bo —a<br /> ame<br /> coi ed<br /> by<br /> a<br /> eti ed<br /> estau ateu<br /> f ie d<br /> of<br /> Osbo e<br /> to<br /> help<br /> the<br /> p oject<br /> gai<br /> t actio<br /> outside<br /> the<br /> lab.<br /> It<br /> wo ked.Osbou e<br /> a d<br /> his<br /> team<br /> have<br /> si ce<br /> g ow<br /> a d<br /> outpla ted<br /> 65<br /> millio<br /> juve ile<br /> seed<br /> clams<br /> a d<br /> adults<br /> i<br /> the<br /> lagoo .<br /> Mo ito i g<br /> shows<br /> that<br /> about<br /> half<br /> of<br /> the<br /> outpla ted<br /> adult<br /> clams<br /> su vived<br /> afte<br /> two<br /> yea s,<br /> while<br /> 10<br /> to<br /> 13<br /> pe<br /> ce t<br /> of<br /> seed<br /> clams<br /> su vived<br /> afte<br /> a<br /> yea .</p> <p><h2> Loomi g<br /> th eat</h2> </p> <div data-pos=
Loomi g th eat<b ><b >” msid=”133031129″ width=”” title=”The p ima y th eat to clams is the i flux of f eshwate f om sto mwate a d ag icultu al u off a d othe sou ces. Clams equi e b ackish wate with a sali ity of 18 to 35 pa ts pe thousa d.” placeholde s c=”https://static.toiimg.com/photo/83033472.cms” imgsize=”” esizemode=”4″ offsetve tical=”0″ placeholde msid=”47529300″ type=”thumb” s c=”https://static.toiimg.com/photo/83033472.cms” class=”” data-s c=”https://static.toiimg.com/photo/msid-133031129/loomi g-th eatb b .jpg” data-api-p e e de =”t ue”/></p> <p> The<br /> p ima y<br /> th eat<br /> to<br /> clams<br /> is<br /> the<br /> i flux<br /> of<br /> f eshwate<br /> f om<br /> sto mwate<br /> a d<br /> ag icultu al<br /> u off<br /> a d<br /> othe<br /> sou ces.<br /> Clams<br /> equi e<br /> b ackish<br /> wate<br /> with<br /> a<br /> sali ity<br /> of<br /> 18<br /> to<br /> 35<br /> pa ts<br /> pe<br /> thousa d.</p> </div> </div> <p>The<br /> p ima y<br /> th eat<br /> to<br /> clams<br /> is<br /> the<br /> i flux<br /> of<br /> f eshwate<br /> f om<br /> sto mwate<br /> a d<br /> ag icultu al<br /> u off<br /> a d<br /> othe<br /> sou ces.<br /> Clams<br /> equi e<br /> b ackish<br /> wate<br /> with<br /> a<br /> sali ity<br /> of<br /> 18<br /> to<br /> 35<br /> pa ts<br /> pe<br /> thousa d.<br /> If<br /> i fluxes<br /> of<br /> f eshwate<br /> d op<br /> the<br /> sali ity<br /> fo<br /> seve al<br /> days,<br /> clams<br /> ca<br /> die.Th ough<br /> data<br /> a alysis<br /> a d<br /> t ial<br /> a d<br /> e o ,<br /> Osbo e’s<br /> team<br /> mapped<br /> a eas<br /> whe e<br /> clams<br /> have<br /> a<br /> highe<br /> cha ce<br /> of<br /> su vival.<br /> U de<br /> the<br /> NOAA<br /> awa d,<br /> Osbo e<br /> helped<br /> select<br /> two<br /> sites<br /> fo<br /> outpla ti g<br /> 21<br /> millio<br /> clams.<br /> So<br /> fa ,<br /> the<br /> team<br /> has<br /> eleased<br /> 7<br /> millio<br /> seed<br /> clams<br /> a d<br /> 2<br /> millio<br /> adults<br /> ea<br /> Stua t,<br /> Flo ida.Despite<br /> the<br /> challe ges,<br /> Osbo e<br /> emai s<br /> hopeful.<br /> Local<br /> gove me ts<br /> a e<br /> developi g<br /> solutio s<br /> to<br /> issues<br /> such<br /> as<br /> sto mwate<br /> u off<br /> a d<br /> septic<br /> ta k<br /> leakage.<br /> O e<br /> cou ty<br /> is<br /> payi g<br /> homeow e s<br /> to<br /> co ve t<br /> thei<br /> septic<br /> systems<br /> to<br /> sewe<br /> systems.“We’ e<br /> maki g<br /> p og ess<br /> a d<br /> doi g<br /> somethi g<br /> positive,”<br /> Osbo e<br /> said.<br /> “This<br /> is ’t<br /> ocket<br /> scie ce.<br /> If<br /> we<br /> have<br /> the<br /> will,<br /> we<br /> ca<br /> use<br /> scie ce<br /> a d<br /> e gi ee i g<br /> to<br /> solve<br /> the<br /> lagoo ’s<br /> p oblems.”<br /> <a h ef=Go to Sou ce

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