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V~_~,~ ~e_~~ct : ~?P?o.l· ~~II~'~nc_~' -~~e~~8 ._ t~ - . ~~~fej~n.t~.~i~

.

de e1ec aUon to l ennc ebyvefJei ativece ll a in-deaa1d apecies ."

,".

:-:~~~- ;·v~~·er

..

: po~

.

.:~:e~·~~ .·ltota~>'.~~~i-~;i~~.Q~~t ~o~::: ~:

"de nal t1 u andi.nduc~a high d'9ueof teapora l.•ar1abllit y,·

aWa,renti y by

~B8htng a~ay

portions of

t~.

localit y adhertng..

'.' " ,~2:~~:~O::::~~; i;;:tl~~t.:~ ;:: . . , v.:~:tlf &t:p·'ln\::~ : . ',

.:/:-"~_eS.l~.:com;~~,~,~~e~"" t~e,study,_~e.riOd. ~o,otB:'.no~_·;.~,~~j~ct:,','.

',-'.t~.:,w~t.~_[,~"flo~o.r·t,~~ora~y_,drYin~·.B~ow~~.pert~ta.n~e/n,._th~ :.

,.:.'i1Dp?rta~ce ~f domln~nt,1,Bpeciell,.group!!!.,."Thehlgh-l~eg[e,e of,,'

.

'te'~por4i

'.

c~nsi~ten'C,Y .1~'" th~ ' 'de~;"i~'

'comu!uril ti.ee"waS

'i~:': ,

:':c'ontrAet 'to.4'.

hi9~ de~~~e, - i

..·_

:. o~ · tellpor"l · '.Yari~tior?l n.

pool'\ ;'.';

,

~ C~'~~h-, ~-~: ~: R-::-'-~::-;~' ' · ·_ _ i,-L~~~2 .: ' . :i '"i !-['-:::::~~::~";:{~ ;7

.~,~ .: . • j"1

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I

I I

I

\

like.to:thank ~.supe rv is o r Dr~ Sou.t h'·fOI his~.advic'e-, heip and-'fi nane"l s l',suwar.t...ever th~

co~r'se. '-ofth is'.wor klhe-,._alsor,.,:,pr~vtded--.' funas.",t~_:. 'att end,.\.:the.,

'.,1980 ~eeti n98 of-.the .Int e rn a t i onal Phyco~og:LcalS,oclety,

'. " ,''' ', ' :-' . '

Gl~9~~,:_S~Otla~dJ t~e,:lst',Inte~n.iti onll~." P.hycOl ~9 ic~1 .~n9 reS8.St~.J,ahn',SIan~II,studytrip~~Dllrt~~IJ,t~~~~1l~~.

New,BampshiJ::e.· . . ...

".Xwl~h t9th~nkDr.,Ala n'Whit tic kfor""l~ongo i n9

I'"ampartfc u llI.r!yindebted to him f~rhis advice on

.

'- .

.IlnlilYS.b and. -the.,'usage of Memo~f~l•8.,,computer

. .T~e,~rovislon of,f~1.lO\iShip8 f~ornthe. 'Gov.ernme,nt

ot',Newf oundland wa s an important factor in making ~hiB

p~r.l'::'d'

of

Btu~y posBibl~, ~nd I"lul

apprtd a tive'of

~hiS.

, ' Thanksar e,alB'~'d~e"tolh~peoplewho have h~ipe'd

)'

,'~ith

:various

e8pec~s

,'Of;

t'~,e'

fieldwork'.,at rdny

~d ,

foggy"

.llor th Harbour. These,include"It. ~er~e r, T. ""aboney,J.'.~

Dicks.Dr.G;Bras'sard, J. 'Br idgiand,~.,Be llan d ,B:Howell :t '~mdP.Bowei:. ,amgratefu l to!t,he:B!;lo.gyD,:~artmeritfor' the us e.

of

the No r t h Barb~'H Cabin~nd.to :t.he Geog~aphy Departrn~nt'if o r theUB~ofBurveying:eqUiPment:

'1 am gr a te fu l for the assistance and se r vi ces giv en by','t he

s~aff 'o;'

the Wate, ,"r

An~l;siS

FacU i ty.

o~

the'

.

.

.Chemis t ry De part ment . ,.Thete chni c a l eeevrcee PfOvidE!d,by

,ETy,

,and 'It. Ficken are.'.al sodu ethanks ;' Than ks also t~

'it.'

P;f'q~~,'"f or:hel~.i_n9'P,~t .t,09'eth er the fig u res,. and Q~l1as:

srnd,e~~for't~pin9.t his thes is.

\ , .

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I -

I

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i

I

II, t

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(10)
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~_..~.;.-:~ ~..::s~.;:...,:;~,~·:...._~~·~'...-::..:.; -,·\-:'~:..;~~'7::'·~:

..-:-:.

.:-;-:r--i.·'r:·:' ~;,"".:;+·~::'::~:..,,'_.:

-:'

\.'.-;..;:_':',:~,;".::.,:

: : .

~r.:-.-

..., . .

-r.,,;, '~;..-r

,..,_..-:-:-.- .. .. :':,';."

r:,

. < ;( /. ..

:'.t· -.

" I

'.,' , ./" ' ·.c·,,'. ..--; .

:\

"RELA~VB· Pu.CEMIN-r or ·~y.~tS oN ~R~MARl t. . .. ..' -.' .'j ::' .

GRADIENTS0' SPAfi AL HABI'tA'l' VARI A'l'ION .-•••..,

~

;". .

3 ;;'·.

. . ~F.?:~~iE{j~.~~: ~;t. , ·~.. :: .

.

:S~A~I~ 'VARI A~I~~~

IN;

TB;B-.:-~ESIUD :~~N.I!J.IS

'._..

'l .; " '::~'::: :::::::- : :':::::~:-:~~ . : : :!;:: '.:"'~.::~ :: ~~ .~:,:

DeB1ll1~

.CODlJDU'nt t ,t:,St r uct ure,•

~"" .J~ .. : ' ~-.\

89

. '\ .

:TEM~RAL, BAB~'~;,~ ~AA~A'tIO~"

•••

:.~ ~:; L ~ . ,"' .. :: :~'

' - I

.t

.EMPORALDea.! dVARIATIONSCOllllllunityIN

C~poSit1~n\

THE DESMIDCOM

+

MUNITIES

'

\;4. ...... 10 110 1

~

Des.1dCo_unit yDo-lnll nts •• •::•• •••••••

&& ...

102

• .,;•• •• •&::• •.:

:: :.':.:~8:

.'. ~:~.:.•~.'~~• • .:•'~.~',~•:••~••~•::.:.; .._:',,;':: 133

J

j

.~'.I.

, !. .

·1···.· . .•..

~ . I ' · ; . . ' I

'

···

..C.• • .

'f

,

r .. { ···

l '..':

· ·

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.~~~'r,.. "':C v.;

.~~ ' ~amPle ~et8 ·L: ~·~

••

·"~', ~" ~': ",~

•.:".••'.. ,,,,.,...

' . ' \ ' -: 'a~.; 'h.m,,,,y ~.;.m."~. m ... ~.db;th •

.

...•...

\ . :::: ' , :~::~: ~:~~~::~~:,~~~:~:~~'. ~::~:~:, .... :

'-]"-.\Rat i~~'o f:cal c i ulD.ove r,ma9;~,~luml(mass '

abundance)for pool ,wate r.samples,.:•• •• ••• ••

A\r,e~at1.V'e'·r.an.kin9 .~f ·

the,sa mple'pool S 0':' the/permanencygradient.",:.: ~

A

r~~~t iv"e ·-rank1nq" O·f. t~'e, S~lIlPl~ 'PD~~S'

onthe'

. ~urfa~e , W }lt~i flow:9.radie~,t

'.: .•• • •'••• ••

~

......

~

F1uc~uaHO~_8.··o,f~at wil.te~,~~VelS',inboglI~d

' ~f::::::: :~::~:~~:::::'::: ::6:~:~~ : : : :.::: : :

~l)i:\dbutl.~nOfDesmid'speci~~'b~,pooi,type~ M'ean:\:_~dran~esof'selecte~, \~_~;e~~hemistr~

pa ramete. rsby~poOlov erthe-st udyperi od~... . ...

per'cen~ilge

\

'Ib~nda~ . ~e

'ofdominan t

~~8m{d

.

,.8tU:,~ieB'1\ individua~,_~_aIlP~_~~, "••":~"""':":.67b Pea rson,c or rel a t ion'Coefficients ofor dinati o n

. " ,- ,"

\.: ,

"

, '"

.

,.~

. ,,,,,plo .... \ t '"

'9 ai"~tw.t " .h,.h t "

· i ,, · .. "~~ '\\.\ .., · · . . , .. ~ ..

.

\

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. . _. •...: 70

D,CA'ordlnat;onaxis'I plotted"agai n s t ads 2

fO"(q~~nt1t~tivede~~1d-dll'ta-.{Ombrot;~~phlC

:~'"::::'::1~:'::::Jl'~~~:::~':;;;~~:. ::;~; ; :/ '

lor:quan:~tati~e,d~~l!li~ data...(m:ille:rot·roph:c .

subgro upof.·sa.p~eB'J ...4• • •,• .••.•~'."" ,',.... 7.9 'rotll1"d~llllli:d'POP~lation.d~_nsit,it!B',in

.' lndl~-~d,lla.l· sam~ie~ ,. :.< .. . ~-~=:~: . . ." - '; "" '.""

90

. :::.:~:'::::::::.i:t::::t:::p::'::or ,::e ;b. . .

,JulY..-1981sa mPle/ •••••••••: ••• ••• ••• •••• •• •'... 93 Preci p ita tio n,.d r:tempe.rat.ur~8,and.Bn·o~·

<>cO,~er_f~r

, t he

~.~Ud.y,'peri~d.as recor~ed at,.

Coline t,pl us·wate r temperatu re~in PBI 96

"

H 11

.18

.:~9Ure.

"

, .

> J

I r ·· .

. . i

.'.~

"

V-I

' . .

."Appen dh V

' .

". ," " -- .

:A"bar graphofdensi ties"ofdominant deami d

spec~'~'~

''in

~~~l

TB'!'..'.::;••••.•.:...

~

•• •• •

~ ~"

• •.-"1'11

V-2'\":~")'argraph of.d~~sit1es O~.'d~~i~antdea.m1<J

epeeLe a in'poolTB2 •••••• •••••; •• • •-•••••~'••• ••,17 8

V",:,3',~

b ar

"grap~.o<denB1tiei.of·d~1Il1.n~~tdesmid . :

spee iea ln pool ps1 ••:••• •;~••';'.;'•• ••';•••;,•

i.;"

17;

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nature.

·. 1.···· ·· ·

.... J '

Most

~,.'i1'~~~id· ~~~CieB

-

~'~e' -"con~'id;re:~ ' '" "':; ~;

'.

!,,:

. ''0. :1"

t~'."nt ~peo,;. . ... .. ; , .. ... :T!>, •. . . .l£~ct " of ."

what.m

':

ns t

/' ' h~ ~' . d';£".n~'" '<" ,, : , . " 1

:le~~l-·',Of,.~eBlIlid --di~-:~ff'·.~l~nq th~:~rmanen~y..~N~.t..,~n

J.

~~~~~ltYi:' "~~ructu~;e,,_.h~s-"_~6t-:~'bE!en_' ::.:~~timlih~~i1·:-:,'::.;'_E~a;;~.i : ,'. ,{,'::

,. ·'l'~e-pe.r m,&J!. encyo£-peat;ll~d",,~ol Ei:has"been'repor ~ed

.:-as :'~i~p~;t'anti

"i n"

dete'r~inln9 ' th~ 'ri~h~esl!·:·an'd ' compoBit-i~n ;~f.

d:;~id.:

..

~~;mio~ril~ie~'

:.~' "Hos ia'{sluo~-;-',;1975). ,

.-t .', :1,_,

r

. . . J._,__~'::'

·~:.~,_~~,1:":;~.~'~j":~i:··'·:·:~~:-·: _~ ~~~~·~~i;~~:~~~"~:~~~·~~:~··:~:~'-c-.;':7~-.:'-~:.: ,:

~" '-

gr~wth'

"',""

(V~n'~~;-:

""".d,,·~

Ben',' :'197(jj .MOS~>\97

·~I:~;012

~) :i9i3~/~'r'1l~8i9n¥~

~;

:\

····\. V

\..

' . - " , . . . . ... , . \ .. ' ' f

"'.

_~97.~~·'·:. _~OSi,~i~t~O_~~r .1976 1,.GO.~q~,1 _ ,~9771. ~," y"tf.[~[et~uon ', o~

',:\

','.1

'",the.:.Ie.s,ults,',

~f : th~_se

",

.~~o;~_:-· ;

i.n",

~~~atJ?rl_ : ~.o

_

.~i~~~~~i:'O·~IH.~

1

,:.qr'll,d l ent,is',liJD,it;~a:bY.:.the,,nu~er--.: o_~,;Bpeci~8-t.e~.ted.,~nd-~be_: { .. ·' if fi ,.ni ty·

'~n ,.'ot'n. "p.·"mnnt~, :,ond'~'O,;.: t e

,t hO; ,

',ri.:' . ..\

I

:-: ,-.,-;:." .,

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;; .

I

!

.oe·'gen e r~1.

~~~'~ ~-=.~,; :'-:"­

.;i,";.'. ,'....~.

; ,',, " , ,, '

Tell~r al eucceeeten ind~smids,p,l!lci~s,compo sit,io n

,weat her co nd l' ti o n~ and,bi.ol ogic a~ ,~cti v it y .

th ~ :~c~~PhY'te "'~'Uf"'UChS

'l n,

,~~~. l~~t()~a~:'i'egi~~~ : o~"'PC;~,d~

and

l~ke~'; ~.e~u,~~i~9 '-;' i~ ~~::e'w~~" :' S~C,i~S ,an~

,,,lo...

~r,'

total

populations. •~o,.~iifor·mati·on rehtlng\0 the'c:onSequ,¢nce of .

~,at'~~

.Il1?veJlle·

(~o~, d~~~'idS, ~~~id,:be foun~

,i n'

·t~e, 'pe~tlan'd

.cont e xt.,~

impo~t.~l.lice't~;pooi-biot~Are,.chAngesin',wate'r ,t~~perAtllre,

illumi~'~'tiO~ 'and wat~r: che~ic~i' compos~tion.,.'.se~Bonal

' J .

.diff~renoes

'are

:repc r t,e d, by\ al lller'"(1962b),,Dut;hi e:,(l 96S) '" " . 1

,;

'G~O'i:lire" '"

,1Ijine,,:.

( ;~j3) ,', ,MC'L:ch ;an" ~ ~ci.a:bl~n , ( i~9;5;,' '~~-/ i

0 ;

I

:

.":change

H~we.l.l,::,

..·._s~no..,

:~ .;t

wate r"

. ,,~

;,'(.'

19~1l

'qua lity

·. ·

'.C.

O~~

.ex!~t,•. .

'~.~bie

between

.. ,~if

..

fer~ .'.~fes

ombro t ro phici.n....

t~mpo

..

~.

and

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.'."'.'.• ..:..•.....

: 1

.'.

~~ne:~otroPhk,wa~er~ " u~

ttl

d~iffe~,~nCe_s ~.~~ 9r~ss ~10~091C~'. ,

..'

,.ac.tl V.it¥..and. miy ,plain

d1f,f.'.nc.~ ~nt.mporolch.n0n

'\"

desm:d

cOll\ll'lunlU~s." ,

,"'/ " , .. ., " / .

'~,

.:

":.•... .':,...'.ouau t a.

t.,.~e

,£1.•.'.d..

tU.~Y

..0..'..."!des midli,:1n."

;7 ~b.; pe . ,~tla,nd,:

habi taV have,.produced"much..speculati on"

0 7

~auBes and,

~ons~~~~6es ,~f

"habtt,a,t:

irlrriat1o~,

on"

~be,

dynamics"Of

' :P~

~~,d .co~unitY,.,, '

yet. ,

~o on~ '· has , acc:~tdY " d~~um~~tle~',i

'

: ";~mnnit, dYn,.,c.u.:n. , qu.nHt~i

.i 'bod. om tb.

0,).. '0'/ " 0

;l.,

" 0

,~~--:.:-~+/

/

"""' // ' .'<

·H,O...·el l,,&

sou~h

' ,)981) Other'

'wo rke'r~ h~~e

'r'epor te6

;':,~O'npiste~?Y,, 'at: l.e~8t ' ~yer

itseaso nal',

~YC~0C~e8el ,' ,':1982 ~

. ": ,

' Bo~p,er ; 198~) . , ·Te"mpora'l;;.~han~ei(·,in,' .the, p~t 'enVi~onme~t

n,El

'A r'on'ounced ove r a

8~as~~al , ~y~~~ , a~'

;;,:r e sul t of Chanl;J inq'

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(24)

Ql- '

.'.Ha[b~U[.penin8~1~/

S ' t;:

~~:[Y~S'B,IlY (~lgui:,e·:lJ.~w~elect~d.

"

~'o[

stucY',onthe

·ba.a~s , o~ ,th~i~' , hllVi~? ~,

,wi c e.

;a~9~ '~~ ' POOl,

't~pes i::.Clos,e::~~o'x,i~~~~', .- ~~~O~·,:biS

proat

coinPle~.,~ .~~fo~a~"

.

?Udqe~ : : t~ <,ba~e ·

,t he

', ,,iC~,II~" , ,~~lil:,a ~on' In: " , ~'eg~~~

·,:-.

o,~:

.:..

:,IPi~e;~~[~Phi~'. ~~~7~~~e-. a~d':~~~~ .' ;,~?e ' , ~~~~t.e~. :;~~" d,et~i:~e~

"":,. ·.-st~CY.: :,,,:Th~ 1~ltia_l,,e:~.lu.at i,on'·:,~,~'~ilte[~t~o~~i,C.status"of

- :

_t~:':poo~s

was baaed

'on' ~eget~tiona~ 'CO~PC;~ition of th~ po~l '

~~~a~nd'f!~ld':PH'~e~~h'~~nie~t~"O:f~o'l wate~., " -..... . '.

.. ' . i, _~.", ~~'~~ ', d~~t,h' con't~~~ ~aPB

..

~~'r~ ·.:·~~e ' .f~~ ' hot~': ;S1~ e's

.. , and.. ..

;f"~ d'V~~ion (" i.ti~.l ~'P""

e.,fon

&ii, . :

n:e,:'.el~v~~'ion','"~~~,:\'~S:.'II~de'-" :to:'e'Val~ate:' ','dite'cti'~~",ari~'.

p~,te~,~1a~ .~'o.[ , ~~ifa~~' flow:, .b~i::W,ee~ ~amPle:'~O~lsj' ~'1~~~';t ~e

.:.:

b~i~.sHe:wa.~'moBtl y,~i.a<;~1.~~~'.jio1n::8~~f:Owb~~~e·~n.po~la:

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'( '.-" .

:" i~

· ··· f ~"' .

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(28)

, !

,

'j

"t,-:',

. .. ..

The'

..

.."

...

poo l .

·pr~cedDre W48.co.Ple ted quic kl y_-and v1tb.~ut_.~eezin9. :A eaJllppng

- ton~iner. a~ U8~

by"Bov e ll ,

s'out~ ,( ~9Bl;

-'vaB'!"ot..'

·

8Ilitabf.fO,~

-t,h is

Bt~dY:

d.Uf!:

~o

.lll·[ gf!

~a~~!t~on. ~n_\a~si~ut'~

. ,"

a_aun t s and tight ness_of packing of t h fringe ~.''-

sa~~l.iriq _~aitiOne

.

a~onq. _~~e

_

~l 'fr~~~~ ve[,~ .[ando~i) <

lQc llt e d, at each_B.~le position the near n t portion of

~ fr~nge w;8 · :~e~o'v~d .

',.

:w,,~e r.chea ht ~y

.

. ~

':he nuJDb'er,of"umplestaken."f ro m,lndi vidu<'l.l.pools

·varied (Table'1)~nd,wasBubjecti.velY1lI819n~donthebasil;'.'

.of

~l ' ~ize ~nd' aVai'~abll1t~' ~f reIllO~~b'le ~

fringe.•

:'Tbe~·e. --is

'a

POfli~i~e" . '~rrel~~lon

"

~tw~e~ ··

PoOl';'she:

a~~

' nu~~~s.

of'

8~p-;;i

t:u. en,,but itisriot'

~t~~~t1y

.fdat ed

t~~:r

...

·pe ri~etei·. :len9th. ,ThenUmb-erof'1I4l1lp1U_take~':M'~1I red uc ed

.'

duri~~~'~be pe~iod ~he~

thpoOl rll

,w~r~ .n~ ~n~'1~~ 'C:o~'ered~ :

.

.

'. .

For

:e'ver~' I~i:.\

of.

~lg'ai;:~~Ple&: :

take n dur in g

:tt~:.;

~,8t udy ,·'~vo'w8te~.salllplu veretakenfrom.~c1 fi.cpoi nts in

e~e~' ·~~PI.e"poa'i. On8l1tr.~.e nd0.25,I polyeth y len e~ttle

.wec e'sUbaerged.bllow the pool'eue rece and:completely fiUed• the.l~'

pl astIc

-ba~~ (Whirlp~~;·:21.'_;14-;;..,.

· ·· ·~e ~~u.~~'

relllovedvas_et..

thi~tl.!d

In

pro~~.t~on

tcthe-

'~~~l~ .".

...and.IIlCP.~ea were·d1ff1cu~t.1:;0Ob·tai~wi t hout.duageto tbe ..'~.

'/

,

-. :'1

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(30)

v ' :

't .: :',:".

,'_~_a:~l~Uf·.f~OIll·the'.~aJle. pool'for'.y:~._B,amp~ e._a<tte vee e

C~~ined-

to

pr~d~ce .~~e·

'finai.

~.tDlPle,.. ~epli~at~d' 8~tS

~_f'~~~:i?·s.-'ve~e.~a.ken:f~t'a'~r'~~i~'~e"nh~i~e\"8e~of fout":~ol~.

'.."d.Utin9:·the.:"'~9~8t,i'9U,~,~:~'~e'aat~.~.,:,.; .:',,',,.,';, '_.',:.

. . .

'Eac~' ~~m~le

.

'iJ\~ . ~ol': s'~t', '~a8

.

tre~~l!d

·__

~'l~llar~Y".

;

:.- 'l'iie·'pi::~8erved · sa'~Ple ~a8

first'

aCJi't~~ed bY' ~q~e'ez'ing: ."ithi~-, : -,' , <~h~--,-Wh.ifip~~''-,~~~ ' . fO~:A~~·:''-:i·. ~~i~~ . ,' ·, ~h~ .Jiq~~;('~~~i6~::. ~f·>~e·

.'~~.~~~l~.:.,"a~

. .

,:.~~.re~,_.:·.,,~~_~~.U9~~_a~·~t~~n:::J~~ze~.\~n·tri,/:<.cij!a:n",

<;VOIU~,~~.~i,C'-'"El~!J ~_~'"::~~e'~,amPl~_"the\h~d.ano,t~et:.SO'.,~,'of"~~T

..' ;; . ' >:E~'2::::E:t'::b::i;E:;;:?::E:::::t~t::::~:t:~::: .

.' , ; · :mk:;~:;::: ~~i:!.ti:t::p::n::~;:;·.?~;~'f,~;;::;£: .' ' ,

-2:_,sampl l!!s uP,:<,to::a'.}ob,O',flas k.'"f,o r,.8,:,sa mpl e.s. FolloW1,ng

" • a,~~Ut~~ti, ·.,,?~, , :,dl"" '::~.A.~~i~.::::W~B~i'n~~

:'

iO' \}

(he..-

f,~~:~k;'- , ~l'stl,l,l~~ ,~

Y,llte~.,.w:~~:,A~d~d.·t~'"fil.~::,th,l!!:~las,k':,t,o,,:the,:exac~,,vo~ume,. <"The

.... · :t~i::.J: ... ~ .. ~t::Z.~B::k::·o3:~i; t::~:: ·;;u:~:;:: ~ ·/

~,

',

~'o.l'um:t.~~c,

:

.~t:~te

..

:;an,~'.: t~~,~e_d,:,~~/c~~p,~,,~~

..ml:

,~~~td~,?ge

'.t~bes,.,',',:,Thes,\~,~,~,~':th::qU~'~,~,~!:aH.,ve·de:~i~'~~m~le,s~.',':~

... c.r. . b. ·~n~ .. ;t::f'~::~rY.~:f·,.E· ·;:::b ·i;;~,:i~;O:n,p:,::::" : ..

'..':s imilar''procedu r e'ezt r-acted bl!!twe en,'B6- 93' of:the desmi d

.- '~~e'~;i~'i~ ~.!'~~~ :>~-',.::~:>.·t~tali~ ~i~~::,\~x ',,\,~~~'~n~s~' .'G~U~h":"

t' "' . - '

r'. .:

'Woelk:~~11':l9:~':(1976aj:" sy so,~v8..iu~teSi.'a,::proce.dur~''sim~J;ar'to.'

,that',.,";~ed':lii:,thl s study al?-d p.r~dlc't~~'":an'.'B,8.' rem~var:.cr.

(31)
(32)
(33)
(34)
(35)

"', -, '.

,. "

.~~~:~.~·_·..·- ~~~.~~~y,t~s<.":: ~~~.l.~~' ,":.c.t_~~: : : ).t:~ 6

i:'=r-_".

::~/,._u'v;~w'o'r~." .'

~'lnflAU'-'is .fter'Arne ll·(1971),; The'"vlIscular

" Pl~'~t~" '~re :' ~~t~~';-~ya~ ', : ;~97~') ': ~o'i:':,t~e:''t~e~~

'.

a~i:Bhru~~ ,' ~d' :'-.,

'.o~~anti~'~ti:~~Dat-~-:~aly~'i~"""

'The.

'~~all tilt'! ve.':···~~Ia'fd· ··: data.' ~~.~'~ei'~:~~~~~~

:; 9~~nt.H:ad~~. ~!:~~id :~Il~a :~u~-' Il'~ra~,~~d::~~ ,-~n\~~·d~~_ed:',~'~,~·~a_(,:,.: '..:.-

ta bl; by.'c1as'Bi f i cllt l on,'at" taxa'.and",sllmple'~,~>using.tWe; ..

~",': .

'lWINSPAN

L '

(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)

-26a -

(47)
(48)
(49)
(50)
(51)
(52)

- 29a -

(53)
(54)

- 30a -

-

-_.

.

- . - "",. '" ...."".,

. .:'. .1.¥~."!o ~

"

POOL PBl

POOL TB2

(55)
(56)

- 3la -

POOL PF3

POOL TF3

(57)

--= --=--=- .- _._ > - . - > .;

(58)

.

.

.. .'

1':.' ,',

Minerotropbi~Gradfent.

An.:,~:~~ .~S~i: <o~, ; de9r~~ ':,~;np~t

of,.

~l~.e,~a~" ,;:~'~

m~nerotrophic,in~luenc.e'.'" '!'w0.pool:'l~'.P~ land ~B2,',

~l~~st·''l~~.uts·',~'~-.'~~e,.inh'r,~,~~t~ra~:·1t~.~'r.·e~t, condi~ion.\:PB{i8:,clo~e'.0 PB'l;a"nd PBi..:.

,in~~t ~(m1.i\~rar 8~if ;lI~t.~,r,~"

':pi,ve

'~r'~~' Bi~ ,~ert.·.~i~,~ ,PoO,~.,8; '

~~e'·~rit:e~pret~~._~.b19hly·..mi~~,rot~oP~i,c·,~d.H e·at.,t he'ot~er :.~xt.r,~~~'-Of',~~e.g~~~ie~t·. 'In'p,rl',PF2,'-jP3;.'l'F4,:~f.2.an~'1'F3::.

th,~re:ar e,he~'1Y,:ihP~t~ :~'.minera'~,~80!1't'~teq:',p;ow,~.fer.,.~here .

i.~.",

..

~,~r,~,~,t,~~.~',"i,~,~:~~e ·.d?~r,ee, ;~~:,:.~ :·~c~:.- p,o~~ ;,'~~t~~: ~~~i~~.n.~,

':.'

,.i mpe des-.~l\eralsoil'wa,~e~';,!.eepa g,e-.:·.'l'hr ee f ur t he r.'po~1B ':

", .

'l'B.~,',

..

~2,::a:~'~,~Fl" , ,are;·.~.nt·.~~e~,~at,~\',~n." ,th.t:~,~~ad~,ent. . "poo~·

.·.· ~~:~::~ <::. ::·;:;:tr:~ir:·~t.lr:: .. :r::~:::: . . · •....

...':::,.'~~,er:e~~.;~~\:r.;ee.:~~~:,a ;d~~~te.•input\,'~d""l,h,~:,,~~ tlie

,minerot~oph,iC:e,I\~',..~2.i~',in,t.:erm,edbte..~O,'fBl..a,~d,'l'F l~':

·m1nOrot~:p:::t1:~·.d:::t:t:n \ i: /W.:': t:~{::::: ··.·.~~ ::: •

..

char~c~ei'

...

~d ,

d,eptb"Q.f.tb'e·..

~~L~'p~.a.t : b,a~e~e~t> detai.~,s ' o~'

.

wh!'ch

are'g1v~ni~'~PP~~di~',Ii:i,:p~ois"

P B ' l;'

PB2 and

:PB3

·h~~. .the.'de!p'es't'·pe.a t 'bot t oms

~~~~:h'~,'~~i~~: ~~~,~hS" :'r~~'~~'~ f;?k , ~-- ..

(59)
(60)

.-

".'

''. ~ e 'fhct:lve ba.rrl.~U :~~.~:~i~er~l.

8,011

v~t.i

..

88'e~age

In:'l'Bl

~d

-::.

··ee

~~·~·:b:~t:l:;:" f~~ : .. t~ ~~l~ ";"~~;~ . ...' ..

" . : ~:::~:~E::·"~r~:~:.·p:·r:·:':·:;~o::t;:;.~::.b~ ::':'.

~e-w~ter-. ;~~em1stry_of~,pe.~tla~d-~_o18.~~n~_~ 11~"d

:_,¥~" ~~,~~rp~~t'

__

::relat~ve" '- ~e~re'~8~: Of_ . m(neY~.~rO~lC:'-in;i~;n:~~: -;

.':.;h'~~~~8i-~·io~: _O~:· ~~·O~Phe~~~ .; pr~~ip'~t~'tiO~ '~:an~; ~~~er~l

's.«

.•' c•...

·.:;:,:::E:~;:::::·~!r:~~~{;:t;;,;~·~:2:;.t:::~:~ifr::~f'··;·· ' .'

.:::: -.

~_~~:'.~~~·~C~~

...

~~:~.~;'~~~,~~:~.<~.~~

...

·~.ai:.~.~~t~,~.~.-. O·~: .. w;~ . . ~r ~~~~.lt~:'.,C~

'.".

-~:;. ,

":.:.be~id_e_ntif1ed,.w,bichvary8tron91~(with COmb.i~at1?nllof.v~te r"'

·:· <::.-:t~ .·--.:

.;....,..:. . . - ;: >- : ':.- '.-.; "'-':,.

~~~i1:£Di

"A·8cattu··plot;·ot.,all.8uple:

E~lt:~}:"~~

val ue 8;of.Ca +.Kg

},

1.'

~'9;in8t/p~ ,:,(p :f9U ;-. ,: ~~l._ '~'h~W8' :t~ ,:;"i~' 9roupin'~~ - ~f

-'

8a~~le'~'~'

.: ', ··(::·:::::·o:~:.·}~:;,n::,::.t~st:::.-°t..:S'~::::::;·:B;; ,.'

'·::.:,P~";:_~~ ,'

.

,~2'.·~~(.:T,P~':/~~f.:':in ~he,,'-io~

..

IlCO~~~,lr:9.~·OUP,'~~:':

J,'·,8amp~~S·-:f,r~m.·1'~~.-,:·,_;:~3t:·"~~4/",P?~,P~2'_~~ ~,"~::i~~l,:in'~the..

. <, ..•. ··· ::::.::::;~:n:Z~ . . ::O:n::.:::;:·:.:~:"n::::~:f ..::: .

;'---t:,<'" ;'~ .>,>,-:,::~:-.:.

,." :..::.:'.' ... .

~

" "'-,

': : .,: ,

. :~ .<.~

.\.

<~

:)-r '. .... . ... •' '. -; ';

'.,-

..

~~,

';:;::':; ':' "

..'-, "- ' .'~ .-:~:.;

..

-": ' '.'

..

-.:;.' --~

-

,.~

;:--~~t~.)

.- '.'

~.>;

. .'.:.:.. ';:::.:;

:~.

" .\:/., ." ,- .... :::

~> . . ~

- .'~:. _..:;,-~~: '

(61)
(62)
(63)

. ":" W. " ... '. .' ' .' . . .' .

.lovsc o ting.groupwe re not.,orvere re l at h:e l y'l e a a enr i cbed'

." ".

,. - . .

- . '. "

...

"

~

mineral 11011wa ter. • . " .. '

" '!'be low scoring pool -q r o up cond ata of

t L

,llubgr9Up; var ia bh in

~

+I'ICJvalueso. '

pool~

'1'81. TB2 and

~

'rP1.lia d.. .l.UJI.,~a1U!.e:,:c'e·eicunCJ·t~bOiJ•.~f.PBl,·PB2_~d· PBJ. ' . .~nterP;e_tai:ion~-~t.:.bll,,r'e~u~~_i.~.d1f~lcult.~inthat·~1,·~2c,..

·'all.~TFl~are':aheli~W,.1IlA11","vlI t er".~VOlu-e'<tem:pQraiy-pooli

~" ~~m~~r~~~_';-v~th ·.~8~/,.; :~~2 ~.-'_~~:.,. _ _ ~B~::'- 'f~~~;.'" ~re~.- ~a~51.er- .. ;.:~d'"

::permanent.:..~e,.b19ber.C~+'19_val,ueB·int~. te~po r.ry,p'o'? l .

··· ::;L::~,: ' ·7 ':L ::i f . ::t:::;c:::: : :,;: ' ·:t:::::'o~::

<·,,;;::{:?ar~:;::t't~~,::;~::,:·::;::.:;;if:C:~:::: ::, .

~_K9__v~iu~i··:co.;par~d';lt~·

. .

8i.i lar.-pe~manent pOo~.~

...:-.__

~.:'.::.~

•..

~~;: c~.~'r.l~~~ " ~:

..

:tb.~·.·.~·:/ ~~ ··+l~~~·,::i~'·.::.'~,

j

iai.~:' ...".

. ·..'l'92,l~. :.can.·b.·. . .n tha~~"tBl'and-:r"l:have:~lI:lu ea:lIOs tly'

'hi~~~r'~th~" ~~" '~u'i/ ~itb: 'str~;~ o~~·~i~p;, · :;'· . '.:';.' .

:;"<::".:;''..

.: ;),.: " :!heCa+)l.gvalu~8'f or'pOols'111 :tbehigh,.s cori ng:

. . ::::. ~iJ.::.:~t:.::::·::::7:o:f:~~::t::h~::.~::::~f:; .:

. : :;:::; .

:pool.:'.TP~',a~e ' low~r: th~n~the"c: :~.l. sa~le~

10.th;S.'

qr~up

-.' '.r-.":

._ .'_ ,.

:~~,~:.:J.8 n~t.·"r~latea·~~

..

th~

:de9re'e

o(Ju~e[.otropbic·'!"flaen~e~: ,

~:.'':~~n·~e.:.the...poo,~·,,8~.t8·dh~c.tlr:on',~~[~~kll:',-_-bu t_18,thOUqb~",~o

;:,.,";.

;~~~~~~.~~~.,~i.ff:~r~~~e.;:.1~ ·;,.de.~~~~:>.~~, :' jl~'h,1~9:'

:"

.··.,·.TF~.::-: ~~re,'::';'-

's t r uc t u ra lly.1so1a te d by,:pu t marq ln sandmo re,re llloyed from..-. :-:,.... '. ':,~r~l~age~thS"(F·i~~:r~'.~·,5·).;;:':':'~'~·...'~~~er.p~i(~~lU~i1~·.·~n'~F~

..

at'~,~-:

... ' .:'. . , .'..

" ". >- ' , , ' ' . .,.', "" 1

1/ :

1

;,. . < " /, i; : :' ..' ; i:'

~-·::f,"~V;i;::i~~~~8r :.~:?tj5t'~~~;~it,~~i61"'~~<~~~'~; '" . W;

(64)

":!

'I."j :.

'.". '·1.;

",' . ':,:''- '

..':..",.c,~,:·::·,,",

, .

""'.'

.:~:'

"""

.~."..-

...'.' "

. ::~;·· .. :~i5:::;2F1t:::F:::~;~p~;:;'t:::~.·.·, ...· . ..•' " •.... .:: , ;

p.O,~i:''rB·2"bal'~.m&d~Umv"lU".Ofl~ 2

' " s11qbtlY.

h1~iiet:th~n,t~~

: : ' :," .;

·

;'-:.a·1~'ii~riY.,:;F1-:~ia~.'·/~~~~Wl··'I8i~e':~'~

l.la ·

~~~:·~·.~·f1ve':'~

'

...

' ...".':":

-. ' . ,:'

::.>:....

:;.>.~

.

~.'

~~~~?9h~::.t~':'u;.,ul t..~ror..'~'19h~r.de.g·r ee oteta 911&n«:Y;~i.tbe"

.. " . . t·'~·"i.:~':::::::i:~::; :t!;,::;;::o:; po,,; ~,/

ci:~ven

,in

"~1~

,;.-

.~

··..

e~~

..

t1on~

of·,'

tb~

•••

Pl~ ~'18

'le:

,:" appare.~t:. ;~" ,~l e.~

.

.p~~-, }.r.~~.,.pOo~8>~1; :.PB~. ~d,:.P.~~.:~~·~v

Il

•'con e lltlmt IDAse.,dominallce,:'of_1!.9~."lth''1Il&:d1lWllvalli,.beinq' : ,':~.~]~.O~72,~.:~ .73'.'1~ ~l.'.:,PB:z.:. ,:P~3·.~e'Pe~t1Yel)"~.:'~Tb1e,:',i.s·,:·:

'.~n81d~~ec:('lnd1~'at1Ye,of.':the:.ombt~tioPhl~'n~t~-[e of,the~"

..po.ole.;·:'·

',~9~e~i~~, ,1','

tn;lca i,lY1n,a

g~it.a~er' concien~iat~c\~':'.'1n

.

··coa8t~1. ·preCipi t atio n~were..,",ca~~ lu\D::''l.':·.~nlc.llY:bi,,.a

.::qte~~~;.·~'6~~~n~J;~uon'

.in

::llIi~:'ra'l' B~i{: ~a~ei" ', t~~'~'/~~t'tB~~ " ~',

il'~:~'::i~'.i.4)

> '. 'h1ui'

1n·:'~rotroPbic·:pooi'..fed'.'eJ:clu~i~elY"or".

.::';

.;...<,.'.'.

.'~vo .~'f.ai~~r, .;.i~~e. .. :,.~:~~ ,~. a~··;' irh,;..

,valaea'veie;

~ boVeYe~~:

..

·:'"l over:thanthose of.,the:bi9.~1~ .)~e[ot.;OpbiepOoh'l"]'.TF4.

·· .. ,.'

~pi;

.•

p~~ .~~ ~3

1n

·'V.h.~Ch:

ther;:vu

··an. al.o~~ _.~ne1s.~ent·

"'.

. '~8.':~:dnaiac...'of ca'~:"":~:,e'J:U;Pl_·'l~"

p i'2-

"b ic'b 'had~iM9' ~

...

' ~',

. .

,'-. ' ' . .--. -:'

.. .

·:valoes':t Bnglnq·froa:l.ltl)'1~5~'·:' ...e , -v.;:-.

.' . : ;,.''.

'>co~c~~~r'~~1o~'I";' ~~~ ~

•.'.'.,' :'"

.'.;

. '. ~'T}le..;c4~J119 ,rad~·'-··'fO.t~·.IIlIlPl~·~;" 'of·. :.tln::~~oved..

.:,. .. "',

:~~ .

·:..

:inc~;Ili:es o';~r"

PB1/PB2,··PB3;the"

·"~1iai.J.

,due'VI S

" l ~O

with' '.

.

.

':.'--: .,'

""'",'' '

(65)
(66)

,Y .

;·i·'

. '

"'re~.iv~,~: d~9:·r·.e·.Of ~p~t':'of<:min~r~i'-0'11-,·~ater..".i~~b~1ng'

.'9r.e,&~~r':.than·~h'at"·'-.~f.~ ~18''PBl;'P'B2'

and'

PB)•..~{'-uch

.. leal'tJa.it'that'of:-"fenPoOl~ 'lF2~.eea,'rr f , PFl ,'PP2,.:PP]~

: ... ": :'!.... "..~... -' ....-".. . ,"'. '....,'.":c,

:"Pool

.

:Tvl

' ."

appeanto'haye.

l '.

gieater degree of ain'erotropb1c,' . .'.-

.:.~~flu';nce-th~~TBI-'or'rB2 .

",

.~. '~~a~~~r ~'~l~t. o/.,',~

-c

ag~1nat' :; Con.,~a~~~8 .

:11gn1n8."11'pr••in'ted·in·Figure'10:" :Th~:f19U~·~::d~lII;'nltr·at;.

";.',~.h~:[el-~U~~.'~.1n~rot~o~~1~~nf~~en.ce,'o,~'th~','th~e~:·te~po.r,~r.7, :·,:.:

'::~ ~01s :':).~~l,,: ~2 ·:. ~~~; ~~l'"

..

~·!1.t.':'a~_; . ~~,i~·.' ~it 'c~r,~ob~~~t,~.:'t~e

'...

-i nte~pr ~t'ation.·':p['Ylou.1y,; 'give~;,:,'~Ii~n'·1~~':"in.a',9r:e'-~~r',

co~~~~fr~~~'~~

..:,in,:'

illi~er.al": '.' so:~l-" ~Y ~~tet'

..

:·,compar.~~/. wlth ·"

~pre~1P.1t~~1on::.'.-i~~:·'~,o'n,'~quent,lY'..::i~':"'fO~~d.''~n.'9rea~~lt; .- concent ration.';'in ·.lDerotr~'Pblc_.. '...te;~

-. (M alaer'

'1/'62a;:

' gj:§~~~¥32~ i;~ ~ff , : E···

I,

· '1.~, i~.'o,~.~:' ~~1~t11l .. v~·~~e. :: :O f : . . F~.· '~i~~::a~.~ · .:~~.~ ':.~~. ' ~n

-~int.e rpnt1ng·diff er ent •• in'aine rotrophic·i nf l uence .<_.

" , t,~,,:;~,·~::~::Z·:;t ~: p::~~~T~ :·p.~;.;:::b .::::,:: ··

',of... tvo

.

,hlgh~·r.

... .,

ValDe.,, , ..and have, '.~--;, IU.zlllu..:of..'only. .O ~34,

'

·at9/l.,··

.

.,_

TB2

,aampl e.·'

h a v. : ,

thr~e,'v alues outaide,"the"rang!","of','!fBI';

,. .' .•...., ··· :~~::;;:l.'tf~·::E::~1~£::~~:··E::5~:::~·~···

...-:-:':.

(67)
(68)
(69)

'.,

..~

.

'. '

. ~f no~e·~~;,,/~. -_X~ F:e\.l~·e~

'In'

~rl ; ~F3 and

.Pooh'.fPl:~d~,:PF~",ftr e~ .,of .di.tin ctt,"" reat.e r'::

.inerotropbi,e,' ·~~nDe~c:e.;tban,Tri~'yetba~e.-10V~[1U.I:'~mu.'~~.

-theanollOlou.'·,e val~e~','cln"'~'n a1ned,

by. a

·

:'dif·f~re~~i~l . sO·l~b1'l1ty· ~f F~" ~~ ,,'r~-~'n~ainiri~ "C6lD~~d~

.b,~:t.~~~,n:. }~~~, .:,:

.··LOW_..

~B,:.,'::lO~," ::di~~:~v.~~:.:~·~~~~·~.n:. ~.~i,;'··~~e

·~,reB~nce',Of,redUCi.n~"or~,~iC: ~~pou~~,~ end ~o,,1nc,-reaS:l t,b e

;:.

Bo~u~~ii~Y, .

of

'1r~~

by

faV~Ur,i~9

..tbe·

'fer~ouB ,~~~t~··;roe~1~g.s

;,;

·':,\~!!'~)'~··:_, .. ¥1~'te:r

.pR','vis,

lo've~ : , ~Fl~ur.

':9),_

.·an~

..

~~'~·e .

VIS:,Jl"'

·grnter'buildup'of refractory,organ i cIlla te rl ala (Figur e10) '.

i~'-TFi ~'~~mpiared

witb

·~;I: an~··~F2 ~

..

~~ :i.'~,ua~1~n , 'o~ ~~~

·watu'us.'witb'.l'ro".,colllpound a'ln PPi'andpF]va.'.verified::~~

..'

~f: ·,:~.-pr:esenc·":o~ ~:- ~eaYf

iron

and " or9~~~c_

.flo'c

v~lfh·: .. ~~~

·ablen t inTrl. ..' -;..

A'·111q bt".,i nput',ot--'lIli n e rax:een.~a't~r·...In,_,PB3·,

·~co;pa;ed/..~~tb· PBi:.&nd-,:-PB2-:_.ba~:,:',~en',:11I99~~.t·~~;·.b~.~"ri~

edde.nc~balledonwlt.r,c:h~.istry'~8.l~UIt~t . -'rhebash of...··

< ._th~. ~~.c.~l.at.1.?n .

h

~,'.~~~.fv:e~,~,e

:,i.n the

,UPPl~ 'sedille~t

..

· la.y'~r

., .0~_PB3'co~redwith·,PB1.hnd.PB2' TIleupper l~Ylr!l'~~ ~B3

· __,.red~U8b·brown'c:olou~ co.Pared,vitb·<·9r,ey-qr·le~ in'PBI

·

.:~~· l~.~~ ,'i8~e_,A~n·d·~·X. I ,UI ., . ;: ~he .rf~-~,r~~·:~~lO~~,"i_~,.:~o,~_g~'t

;.

toori gi natefroIllinput sof,'iron.-from~1n.rallo il,va ter. ..

. J :. .•.

·

· l ':

J .

.-':~

(70)
(71)
(72)

_;'i';

'....• . . ' .. ... .; .,' f~ ~ ::., -h L

·. ·;t:b~.: ·tema:~n:i~g ,~~~ ·, ~O~.S ., .~be . d~.~_t_b ,~~ . ,~Pen

wlIter is'

.."compa r a b l e (maximum<:"'io'~), howev-;r~'placement~in.drainage

~~~w'~r~-s' -" :~~d ' ~;J.met;;' di~t~c~~:_-(~'urf~ce'a r~a;:" 'dO ' v~'~y :

..

po~L PP',~-" "h~'~th~ :~a~'~~est':· ~e'~ll11e'~~~'-d~~t'~~ce ~~d 1'1~~

:'at

' t:b~

- '.

ba~~·-;'-~·~ ,' ~he ::,~~or:'.· d'~'~~~~e .'n.~~.~~~k-~·'O'f,",'t0~: ;~.~~~ ~,it~ ,:{Pig~re 5). "." It ::

is.

C,~~~l~~~_ed.: ·

to-.

.',~ayef:'.tb.e . ,-~r~~~\"t,~ : de,g~;~_

':

~.'·:.perlD~_n~·~:c~:

'.

Of : ,tbe'_f,e_n '8t~e . ~~lS·.',:i,:~~_ o~~.;r ._pei:~rie~t .~~:Ol.8.

'

::_ : ~:,~::-:::~~a:·'V: : 1.7;A:~:~;:a;:, ):~i::~;~;:~'~:: .

hi gher:.on--:~',d~aina9~:'slope' "( Pigu~e-5 ):and..ls~'bette~:·d[al~ed:.

'~'t~~ll~ " P~'~':;" ;' Thl~.· i~s, '8~pPort~~

'-bY the-'

~iow" ih~~ugh : ~~--:~at~·~ .'

~~'~e!v~'~-':/'i~·: ·

ppi

~-

-'.

:·.~o~i

-',

' PPl:~ l11ck~~ _ a : 'pop~iat.l~~ . :·Of,·~,. t~~:

.

aqulIt!q'"'~lIc'ioPhYte ~.~ Bng'elm .':,--in:cont'i-llst

. . . ..

' " , ' . '., ".",.

.with.PF.2.:.rei~:,ln~er~~~~e~ tha~PP2_~~8.a;_:h1~~~r~egr~~,_~f

.

p~rmll~~n~~

th4":PPl.--'rhe_

rellla1~l~q , pe~nent.

bog pool s , PB2

·a.nd,:','PS3

'~." , Cllnn~~ be<Pla.~~d: ' rarati~e"·

-.

t-~ ': ~btt p~~manen'~; ~en_:

'.,., ' .' . ' .: '~c ,-.'t: ...'. " :, ',',...-:,'..'.

.'. '-" ,.PO(),18.''~~~~:,PB2. h,~~,a1.Ar9.er-~o~um,e:~han,PB3.'{AP~n~i~..·I.I II:

··.0t:::t9E:j: ::]::.o:~:::::r::~:~:~ ~ ~E~?:::::::,

.:llq~ai'ic.plants ~~~king''1n,:"PB3;' ThU~"p"FJi-.Hkely·:ill~,s''8"

":"','-'".-, -. ' '.,'.-,"". . " -,,'

h19~:e.r.-:d_eg[,ee..o..~.pe.rmanen,c~_th~n,..PB~._ ,' ,'

- " .-",

,~~ .· th~-:~te,mporllry POO~B·c',.~n

' . ' -' "." ; ' '.'....' , I'

the ~,:fdn~~ ,_;'rB2.~:IIB~_th_~,le:~~_t. · h'~v~~g.CO~Ple_te~y;:" ,.dr ~~~;:up:'on,'..t;:o,.

'd.t~;

·",,, i,,o ·th . a '''d ' ..

The poo~,'H.eB,-in an

(73)
(74)
(75)
(76)
(77)

- 48a -

POOL TB1 May19B1

POOL TB1 June 19B1

(78)
(79)
(80)
(81)

It".

~s: ·:' .~~~en~ '}~·Ilt'

..

'~y. . ~~ciet

;;ere," :

'··.'-C .

,...

.'~,.: "..~.'. ',(" :"" .;.'" ..'':'?

·:·:::)~'¥:~;>" :::~l~~!.';~;.;~~!,~;l~::,;,';·~'~L¥~,~~~#.~~~~,~3i

of' ,.. . . .

pOol:._~~

. . . . . . ... ty pe.

'.. ..~-"',.'.

, . ' :':" ~~~~~'::',~'~~~'i~;::'~~~'~S:~'~~~,~:;::-­

t.~on;~i::i,. r:t~ni~::: o: , t::t::bO:t:,::'":::: " .

"'~e'p[e8~~t!ii9':'20":'~en~[~" Obse i:~'ed"f~o'~·'~,

c ompoaU;e ' " of

all:""

B~~l~~~

..The'"

~u~.~~' '~f,~ t~~a "~b~~'r~ed fi~m··i~d·ivid~~'i.~~~~Pl~

.

~~lq''.~~n9~d" :'f~~!l!·" i4 · 't~ . 9~·,\·T~bl.~';

7)

~;'.~::. The :·~umh~~ ·:~t~ax~

·Oc~~:~~'ln~':·:.in~a:c'~·"sa~~ie:P~o.~·.o~.-~:~ach· '~a~pi~~~.~~~'iB:'-glve~-'

'.': ·'·~'~~: co.~~itL :L;' the . ... I_~- CO~uOltl~. O; - tho

.

~~. BlIm~ling:

..

~~l~.:,~a:~i,e~ :·Btr,~·I!(j·~,;

..'

.Bsam~~at.i~n~.O:<?able

',5.-. :' 8b~W~'.tha~·:~pe~i'e8·'vary"inoccu~rence~in"po~lBof.'d1f.f·e~in~., p~~'cem~~t":'~ri:',','th'e,::.'~l~'ero't~op~:i~':',"'~radie'n~",.'~C\',"'~n"":t~e'"

:p~:~~~~ency"q~ad'i~nt~'·

.

Tabi~~.

' : s ', '

9i;~8'~ar;:",appr~ll:~mate'

·'p~rce Dta9'~ . br~kdo~,'of ,'.t:~~', tot~i:

..

~tU·dY,:,si~& '. fl~~~' i~'. ~e'r~

,

... .

,

. .

,

(82)
(83)
(84)
(85)
(86)

·'.i" .,'The',

'~~\n

.

:ped,~s d,~~,~~l.b~t~,o~

'..'

9~a~i'~_n~B'

,;

~.~:~.~.

·.:~u~ther,',exa~.ined:by,~rdinat~9n",an.alysis.u,si09...,Det.r endM,

··:Cort~BPondence·,Ana~~'-SiB1DCK'f7~h~fint·two,s'aml?le an~

8~c!~~·,..~it~B',:·of,"~be '~d~natl~n of,_qualitati~.e d,~8mld .t,occ~[r,ences :·~r e·9 iven.InFlgu~'e.'1 4-~ -

.. ."',The',,'PoOI.-mine'to~~~phIC;,s t a t.us ·was·. th~-.~a.!'n

;e~~·r.m:~·~i~~ . f'~t~'[' \n ' : ' d;~'~i~.':ci~IDlIlUili~i, 'l!pe~~~s '~,O~PoSitl~n ~'

The,'ure.·LsamPle a~I:B'bas'a"9[~dlent'l ength

of"

237,and an

~igennl~e "

of'

'·D, .-5'2·,··iB~~ Apptl,ridi~ · iI ~OI; · '~nt~~;r'~tatio~ ~f

.: '

~. ' ax : e ·s, ). ,,': ~e ';~~\ ~~t" Of: .~·X1s ~.; 'se~~rat:es .8a~p~e·" :'fr~~

:':,,:,

~,O~8 : O.~ .·~~~~a~~i,~9' ')g~~~ot~p~~.~' ·i:nf~~e~~e._ :. :A~l

'

f~,~:'·:~~·~e·,~ ~:.

·.~O,l ,.~~Pl~s·.e~cep.tin9. '·1'Il~8c~,re"~9w.·O~,.,a,~1s:l.:,..:rhe:e,,~~~ls,,:

.- ~PFr;, " PF~,

.

~~~.'

.

'rF~'~ :: ~~I 'rF~. ~~~e ~t[~~g~~ .',inf,II1~.nCed

.' (by·,.mine ra l BoU.,wate·r",and "e~~ -placed ~19best..o~'.the

·Pb~B~.~al~Y/cb,!!m~~lJ;~. ~e,f~ned' ,'-~lM;~ro~h'ic :' 9r~~i~~t~

..

" .t~~·;, ~ig~':.e..itre~,~: ~~' ,~.Z~8' ::~'~, '.·~~j~ ·~~~p~e8 ~ro~

....

~~l~.~~B~·. ~d

',"

.P8~,,,it~,sallpl eB,frOIll TBl BCo~IM.,marginally'l.owe r~:.·P,~~" r

, '...

,~

":,:,

,~l,\ ~

56:'_. ., ,"'' ,'

'·Ublq~.it.0US " ~~r ' ! , iea~\: bB~~

:B'

~tenti~l ,.f.o,r

..

,~ein,9

~ccur~ed

inBlol,.pooi

tY~B .

'Th e

mll.jQri~y·:

of,

speciesshO~~d

~f.£i'~i.~~ :. f~~.- 'SP~Cifi~

.

PO~i " tYP,e~ .,

.,

.The::la~ge~t n~Jnb;~'''O,f

.:

~p,ec'~e~;

.was.,r e'st rict e d

t.~ ~~Jhll.nEtnt~o~s ~~~- hi9h~/

~~ri'er~t~ophic.-~~'~~s . Only ~. ve r y~.few',.s pec i e·s::'!ere

..''.re'8trictedtoombtotrophlcpoolsandeven,,fewer'to,tempo~ar~

.,', .' "" " . '. ' '," ' • . . '" (;> '. ':"

~'I t is ,of'l!'0te that,ei ght·,t:a xa.(6~ of.,t he,,to~al,'.

"<:,-'"

.-.

::'~82

\infl,PBl,'",ere::'

jU'd~~,~,' near~8t.'. th~ ,~mb[ot[O,Pbl~ 5~n~t'10n; "

(r . . ";'h""~ h.i~; .li~/itlY ' e~~'~ed.; .~m .• ,ne,." ·~ol1 , ~~ eer .

,;."

(87)
(88)
(89)
(90)
(91)

'/

'; . :'.,',," ,

,f

~."~",...'

. " ,; , -, , h·.·),:a:~. ·',~~t."'·poSe1bie: ~o:"e~~ci~ate, " Whl~h" ~o~~.ne!1t8

'"of,.t:he cbanging,pool min'erotrophic status'were,respons i bl e

";

~~r' :~.~·~e.rm,l?i~~: ~P,~,c.le~·. ~a~~~~, ,~~'.,ihe 9r.adlen.~

•."

Th, ",~Ul~;~

. :

~~ai~r : ~helll:istry ' param~'ter8 co~relat:i'ng:, ~1tb'

bbe;'spe c l es

compo:~"it:l'0~<"6f" " a~i~' 1:'~'BU9'q~st " t~~t " '~i~ber

.

81n~lY

",

~~

.:

~~mb·ina.~i,~~.",. ·,.~ba~9·e:8 " i'~' :,~B,~,. ' ~i~er~l, le~e~8,

'.

~~d/ ty~ 'o~""

'

~ou~.~ ,o~ '~r ~,~~iC .~ter,i~~s :~f~~C::, tr: ~~~trib.~ ~l,~~~.::

:..

~~

,:"

~" ':

S~:e lntenD~d.i8te.~,r8~ie~t,,po,o~s:.,TP~ ,

;

,TB1.":a~d,~Br'pH,,an~.;·,~.:.

.the::o~.g~n.~~.'"co-.,po~~~t~,.(Cl?~', :'ta~n;n,~

" .

+,:l i.~~i~,S'~d..COlOUr,).:

:'d onot differ,fromth'ose-,of.:ot ber'IDO,re.ombt ot ropbi c,poola :..,:.,,',''.,' ,',', I'. ': \... " .,',"; , .',' ,,:', ' " . -: . . .

(.'l'a~~e,9"~ppe,n.~~ l[ ~~l'\i.Irr"t~e,se..po018.,:.inCl'e~8.e~:min~:d~.

:':·'/;·'·.,(.ca.~, ,,:~~. .~~ . ~,~). ' Co~:rt~"a~,e":'W~~h :.:~.~e , ~c~:r,~~n~e" .of'.'j~r

..e

::.,) '-:inel'~t ~,oPbiC ,~~.Cie~..'i .':"'h.e:,.occurren~e· ,Of:,restrlc;t.~d .~"~'~; ""

.:"'~,; ':, , o~~o,~~OP~i~ , a~.c.~e~

..i.n\,TPl

tb~~

..

,cor:~~t:~~':', ~ith. :'l~~~t' p~ :.,.;-,,'~

.' : r d ' b.i9~e:r .,o?~~~.~~: ~c~~: :and/.~ni~8: ,~.:,.lignitri;),,~ '.· r~,~~:

';,:,h,e ......

~~d.el~,dHfe~ing,ran9~,~:~rf.spe~~e~~ccl:1l'~e,nc.e.:J..~,'.18}~ely ._'._:.:

'.J ';,.,. .:.;: : : ',.;' .j....

» >

':'..""

(92)

...

,-:"

'. ','

... .

that.~n(Hvldual a~eie~,.lIay be';af fe cted.by -,var~!,ble8..~twa~er.·quallty.·

.

.

.'

dlffere~t.

·.tt.

.Tb,e del)ree of penanency of

a

lIta t lan dvater'IIlaIlI"

·.'~ti~n91;·atf~'ct i-

the.COllpo siHon and

;i~bne 88'

of

' ~b'e

.

~~'~~id

· CO~~'1ty•.":',· ·~' ·.;e~O·~d a~Pl~ axl.·...~·f ·

.the

~~IIlPo·~ltlon·

or'dlna~'ionb~"Ii9r ad len t len9t.hof,208and·.an e1geln·al.n~ .of· '.

: :,:'0

.22~

.

~

The

pi~ce~~~t o~" Buipi~'B ~n

tbis.ad_: '

ill~~ot: 8~rietiy :

.'

~e'~a'te'~ ~o. an~ '~O l:"~b,~ract~'r~8t"fc ,::

but'

'~~ e8 ~Ii~ve

a

:~gree

"

·

~f'reiaHon.wi th'pool peraaneney•. sUlpleit fr~m,pei~~ent :

PoOll~

:both

'~itb'

'a.

~i'~b . :~~" .;~ov d'e~~e~'

'o f.

1l1~e~oti~PhiC:

infl~~nce:

.

8C,o~~'

.

i'~v :'~n

axis.''2. ':'Al l:

~empora'~y:'POO1~

with

t~~ , ex~epHon ''~f.': ~B~'"~core lntei~:cii.te to'·hl~h '-On. ax·i~,. 2.~'

'. . The,~arlaHon in ..mphBeOreat'roliltbe.b!9biy''1II1rie'rot~ophic

".:: .

: te~i:ary ~ ~l& (T~·2 .

:,'TPj.and

·T~41'· ~o r·re~~~4I " ne9at1~eli·

I

,•

'Vl~ 'r~i~ti~~' '~la~~m~n~

(on'

U~ ~ya:lc~11Y def~~~d ',penan~'hcy

gi:dl;~t .·::,

..

~P2 l··· ~e ~l

..

Wl~ ~,. "the· ·lea.st d~9r~~

';:Of" . :-peraanency,'scores hi ghes t:on·a:ds.i.· 'fheseqtiene e.

o f

uis':

:;

"~~~r~8:

for

~1~ ~roup

a1ao

~or~el&tes n~9atl~dY ':~it~

·the'":··

... . '

..

" \. " . " '; ... ..,..:' . '," , ,. '

..

to~al·nivnber.ofspecies ob served 1n the poolel'rabl e,7)~.

. ,ne

;;~ :I:. , ::~L/" ";;.:~':::'~:b.:~ 'b: s zz:

·.~amPle~froll,:m.l:~nd' ~B2.o n~ii>a:dll ~~·anotD~lOu~-:'suipi~,'"

·from;,"TB.2~~d ~l'llcore'lle~1allY'yet.t~eirte mpor a r j n~~~r~'.

vDUl.d':,"~gqellt" th'ey BbOU~d'~core hl~hlY,'o n,a:d~':2." JA

:",.llO~ll.i~~e...el~~.an~~i~n..fO~'.:~.1I o~.8~,~~~~1~~'m.~y, ' "..~~a~: ~'

-.:<,~r~a~er, ~unt ,Of:'.~ar1at,i.on.,' in',,Ui e data'OCCUU~d," in

-

, .'~n:~.,tr~Ph~. , ~i. ' i~'\.~ f-0" "r";.","cy ,co.~re,

(93)

. ' . .

occurinonlypermanent"Poo18frOmt.hoae·wblcb'ocCur...:.!1l.both

'~:~mpo,rai~· '~~t.~r~,n~~f 1'OO1~~' ,$pede~

:,..thit.

,O~;C,u.r~~d ,O~lY

1~ ,~em~~~ry ~OlB Bco~i b lg hi, S; >

.on

,th~ ,11'~'1~ :.,~ut.

are

':y~~?

.tew,'i n numberlind-:a~e,'probat>l y'not',i~tt.ant

in'

t·hegc·adl.ent...

',,"", ,' ,-',

-.

":,- :' :.:' . ' " ." ',':

Iel~t1ve,t:?:...the:preVioul ,two:~pe~ie8" gIoU~}B• .S~,cie8 lepaut!ononaxisZis'

~reate.t

fOrminerot-ropt\1c

8peC .ie~

.

and

"~~ly' ~,gi~al.for,:~rot'r.~~bic 8~ohi,s·. ::, '.

'-'cian~e',.~lOng"\th~"~rina~·~nc~,'.9·radle~~:·

~ba;acitei:i~ed

:by'

t.be'~~~~en'~ Po~l'8 ~~i~g ,~o~e' .~c;ell \i~h'·

than ·te~~c~·ry·',·PoOl~.

..Many.",llpecie"

?Cc~dln9' iri 'aerm~n,en,t:

_

pooi~~ld n~t"occu~'

'- in

'ie1D.~"a~y·po~i8':'·(.rable

' ,i : and

·"er e·

.. ; ···:::::::':o:"':~::::.fd::::f:l;~::d.:·:~:;::t t:::::~

·:.'.~o~pared "

....

lt~ per~ent. ;·~~i~·:'V,~B ~bt~in~d fri, '_ ,t~~

':

p;el~n~·

:

iltudy.··.'rhepercentages,of tbe"specleB'o f,ind ividua l poQl'

. " ,

~"'·1:6~~.i.Hes',~c~Ii'rr'ln,g. 'wit h,~'giv~n frequenoy.in·th~'..·8u Pl e;''

,~" let':are,pre8ente~.In.. Fig~"r'e}.::' .;With:"lo.me

'~<:: ..,'..

i!t~~!~~: ~*< ~~J

(94)
(95)
(96)
(97)

"f~ow"v,uy i ng""fro~"slOW_tostrongJ"pr l,occasiorial-8io~ .liow~

" P~ 2'~ n'~" 'sUrface "nOw).~

"- The

n~mbet:" Of"specJes

- "

o~cUrring ' in "

"-'

8~~Ples

_

(Pi9~re ,

'i 3("""

~n.d

"tbe

t?tal ' numbe,~

,-of species

;~ccu ~r~ng--"

O Ver "

the ' "s1;:udy. per; Qd'"(Ta~le 7);"~ai_ie'd, O,~lY':'

. , ' : -2::::~:iontt::::~~rt;t~eb~~:::~th~:~::~l: "ca'~:e:' "'~:::'::::-"':"

f'r.~m ' Ta~~~' :

7" Md:"

~he " '",:re'~u{t~' ~f" :",~he ordinati~n o~ '

. 'qu~i"iiativ,~' desmi~

,

spe~ie8

""

d ata ' ,(Fiqll~e 14)'~ "

p'p! '-

"~r2"

aridPP3'

'8CO~~

clo.li! e ly,on"aili s"i

~d 'a~i8 "2'~'

TheBP~ci~~'-,~om~aition,of'~~,4/",tbe.~nly,r~ma.'inin~'

" " " " ," - "

.

P,00l with,surf a cewaterflow,was slightlydhergent'f r om'"

(98)

'Consi dering the'composi t i on; of,samplesfrom all

,~66-

~he.degree,o,~ wa~l!ir,~,ovementi~,peatlan.dpools'was pO'si t:lvdy'co'r r e lated'wit hthe'sizeof'th~dtain~ge,area'of

:",' " \' ' -- , ' "

'," .

thepool andth ~extent ofdr ~ina g e,i nput. SUr f a ce drainage

. . . \

. .

-~nflO:wB may,

be

.en' import a n t 'f a ct or,in"short\distance

,., , ',, , " 1

dispersal.o f'd!!sm~dson peat\ait~s.. P,oolswithinfl owsmay

-- ~-' . \ .' ..

. ,

,~~r'iCher

in

spe cies ; ''!'heIn c'r eaee d richnessofTrc',aampl es

' .

.

' .... \ ., .. '.' .... .

co~paredWit~'rP'3"aamp~eBllIay

be

~XPlain~,d ~Ythi,s . . ,' ,

.~ ,

)

. PO~lB,.six'Uxa!4,;.n:of,th~,tob l'f lora)' were'r e stric ted' to pools

:-w~~me'

degree"'Ofwater

~,oveme~.' ·

"Of these ,"two'

(99)

-67 '~

(100)

Références

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