Composition and richnes of the ichthyofauna in a terra firme forest stream of the Colombian Amazonia

2004·1.2 MB·

by  Arbel

AMA7ORIANA, RVITME 950K

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(Composition amd richnes of the tehttryotauma in x ferra firme Forest
Stresm of the Colombian Amacania

ke
F. Athelies, G. Gilvig, JA Molica & $, Thuy

Fomando Auheligs, Wo, Ds, seth Gis B= Soxé var Malice Ihuhsus
Tahotates, Ins de Ciencias Natur Fuses Nacional de Cl ni. Cada
Unisssiaria Gr, 0 C1 48, Bagot O. snbie esca orubeeshothal ene
Prof. Saauagy Dgu,-MANT. Universi crn de Celombia, teh Colom
Dis e wae Prnhegebenseso

brace

Toteouction
Teo ome Tae srcms sarap) ave uae ameag Anaznnia Ftte apes
I sa st oi uate sss re et acne the Mrs pale Fhe
Pugorsivers the ace level oP eg awe fet toons Apri vate vey oo loca
sven reels ORSBLRG ota. 21 < GOLDING ef al, 2002), Fuser. thes
sinams Hew poor und extenely achat a, hich sits im Wighly ai
"ole. yer lew punt ene diol old seta and ts pssence a sie
insemc remporrds tat con ita nti ck «lo LOWE-MeCONNET, [97
eit elo ua pinay esa, pisces ear
nhs sarong ures alos be de ayurtof swelled sh eo
{alt Als ue KNOPPEL 1938, LOWE MeCONSLL 88"),

In quae systems ice lace hy rane. ee Ine source aaah
Tay and pgsenochensl cancion very ass, perl changing the soca
PE Fah owurmhlages fog. brass. campnstion sa sual) {GOLLDING st
Toss, 200% 1 SDVRSOX & ROBERTSON I99M: MILT S000. VAL & BR AL
MPAA. IMS), fn coctst. fe fa arse mooted characteris fre
fiw stems rest iy a move lemponlle ble etien IPIITRNTII & ¢O
PHENANDES 2007,

Deepa wrriet povony end sity of tir wove, set esate hans 4g
feenaet fish gots [CRAMPTON 1669; ANGI, 2NTU: LOWL-NCUNNED
SES: SALE. INP, lsasugh tae have commis guesce a emustertls CHA
2001). is reve about the long-com casino! permanent ean
Fak sors

The ar ube ys OF: it etter he summation of ho Feh
‘oimuniy a nerpleey as posi: and ain yee the pemaaneney’ ef these
Spice inn te yur, This tan iran! sap towards Turing cr Fron 2g
ahr popoaton celoay and Wisivety sm fhe yates, ard ay ht hry i
[hon Bache conserva,

Maeva mts

ane ty tok of he Amann edi phon oh nt el Seen

Ssumplng methods abd ats anal sis

8
oes
“Lap tsh commonpy of Ta Arenas load te Be eam of 1? spas longing
(w F esate and 27 faniios Poe [Ue denna aeons ca hy weber
spciss) eve Charaifrnes (58%, Sp. Sivan 122, see, Metres
UB % 13 ep) ane Cymer £9, # app. The elie wth the ghest
Fichnss wee Ckanedae (314,34 species, Cie 118%, £4 pos nd Losieaidas
1, Sonus Fase of the ecies sine ew nips the Coaurbian Amazon
Tri mnrher fncuess both concimed specs tl umcestimned zee tl and
hedoweys to genta pssiecsy eripoital forthe sem. amd ite etary ks
ets teetlaon oF Ts togomy A srr pets ete,

Tehdonce ns none ne satiated as rng rom 1132 Cb estinra) ks
126 see's (in cer nek. SD = 4.1 ans Thay, ine eheroed me
oF specs ir bstwen HF 64 aad 960 0 af eee renner

Penance asi aed shut sat of his" =pskssapned Guog de 00
sey eH other ete ware cepted dae, the wipplemencary stele’).
snciss vere sengunent, 16 !SqueR: ad, sy 6 semua Ibe semaiing 59 spi
te epee Ry oly ane of ts ecu wove: cousin inte eleven
Diseunion
‘Tiss repos -nghee: acho af spec cand foe Amazon an freA ns
compar to eller pubsbed stdios (Table 2: titer ean iedeatng an wri
Jehthyolgicl cae Ine Coconbih Arrow, he neg floe: he effec
OF using rune samotiny rcbaique, te kath wr sensor and te dvstay
abit sarple 1c me of stale simpli ttn sich a ihre te.
CASTRO & CASAIU 199%: KNOPF. “OMe SAUL TO). alla fr asta
bese at. vray swalses bat ruses Une ane eit enor sneer oe
‘erable Mfecinenondepeog on ths seusin al puputon ae PREIS & COC
MINE. 1981; The mh wiaber oF ries spe oyna hi mide NH! ae
{igh ts lintel sates ge abot Calenhiay balyolosis: dives

The ehundaes ov weaken spies and Tow sional erapeconalwartiny Sound
lo this se) a cnmon in AtDAEOaN foal stars fe ge BUARSEL & CDS
PLRAANDES 2001), pray ava rest of rds wont eres als
Ti ant ensironmontl curs Iq eetan te scat sary of Esk soma
vies Amuzentan hedec puke sven ig welbestblisal (COLLOING ea. 1968
BW: LOWE-MGCONNM I. 1925; VAL & DE ALMR'TDA-VAL 3985), Patmancnss
mulpece in Yelnarcion Lat. um Amazon River Only wi 18 hm aay ten Ta
Arenos (SANTOS-AC1 VINO 205; VEIARANG 2000), conlinmed the eeinanes
sire putecrs sugpesting hat wate eel scanty ves cigicamchaages
the payeecchomieal conde amd recut aia.

The iehtiyolgel “ichnes ot La atcposs sfx prer ten Lge pial risers
uch a6 te Ganges. Congo, Niger IKNOPPET. 19%, “ral, Caged and Catan
SGALVIB ox al 1989, Toms jv remaztae, sanity ite eorsartvly exten
smu dieapo havin te Ki’) Mowphologizel Euan such ne motrzatin. al
sr pede nung of fein. rl ngmodesive Seager nthe bea ot La
Anerosa [ARBELAF? SN ggect thi hig richness pba esl of edt
ve proesisos tp ce iler sd dt spite sno on, fo anfoize Teeutces
sllesution 2né tall» yreaer seep of ie Teal TNSEND ef a 203), 8
sumer of Wey envionment Fen lh ay 30 weveunt fe the Nigh
fetrhyologiea rise m eream sesyarim (TOWSEND a 2003) pedacth'y.
2nbir hetengesy, ensue harshness, lew wacabiie, envionment ge
od biogooata ie area ave dct bohm

1. Produits. Rihress seems ea bs sect “eae Wa the range of av lle
esoiness ad wo i te supply rs of tae vescsrer FTDWPSEND ee ah 2604), The
erst contusion ef game wea abt cones rgaroms fx Aazonian forest
streams supp’ ace rnge uf uLee hones ul alecthonos sores ARR. A
TZ 2000; RNODPEL. tk WAI KLR. 2007, Asie he Se tha ths supply Feo
thecesesouteos is Evite arp 1 bone sundtaive shes ake ths ated
(WOWE-MSCONSFL. 192s

> gbiat eterogonsty. Facinermental Eetrogecitypovidon rete watt of
‘wisntishils aod metectaalce rane plcee co hide Fern peor we (LOWE:
MeCONNIT 1995: TORSEND ol 0031 wide aay of Iain (open ste
andy or ny bolls fllsn tusks. sebaguaie 100, se nck sal vara
surent spe tol lope and de cic asset it Anos ve ideally
site fr the deselopet of ney opal He populeticas (EH RNILIM de COX:
FFLNABDES 203; FORSFII Wet a, 200).

os
8. yvismient:Harhmes Lsskems sacioomentl eesons senunnly pant
lai. f= pei gunna soon veh rece sees cline tC
SENT otal. SOD) Dia the Fp of alsin vena h La Atco,
Tse los pl ang low eofcoraton of dssived soli, wich may toda pire
Paobrivty, de aos Sen Te es sh specosvrhuess IKNOBPEL. 19%, WL:
NeCONMEL 1975},

4, Clinitic variabiliy, Uspsediaite i sake ctimise changes ray eer
species rsnoss 3y tinting poption hchn “helt tamying caps. tdncog
iner sos: eompeizan sna sh possi al enazetive exsheion F1OWSEND 3
2063), Wasc ivel shungee i La Avene. though si aml enpesiac ae
rele Ute” plage seutng a il amr a sehr tl sms
srt reaoure aay 1st lls tr ll ewe writen of he Toe hlages
AGIRNHEDS COX FERNANDES 2

S bevioninal je. Polengod ceohtonay ime a eorematy Ie een
Siggsse wo Teter deeming high eacies 1 rien (LOL-MECONNEL. (975
HOWSEND ctal. 200), else ster al hei smite Bae al ser
seclmoizy bistros thar seimentisn atc wn Aamo, beats sey haw
‘sited proc te beg fe Sades VAT. Ab ALAMLIDA VAL 1963, ilnugh
"a eaosa i ota Mackscte stom sonar acne piso suds lee
ers low it usin the ic ichbjofauna uf Basare eor,

Blogeogtphis are. arge biegcoctaphic any sr hee igh sunt of wes
to lips f taba, tg mes st imagens and spevition by of
sper se, 0: both (YERESLND eta, 20038 HIABITS ef al 20031, Tie marin
forest is & surtss am uf vealy FO0G.10 ke, ot wish at “ses ANDO ke
somespond ts sro ne aqui fete {COL DING ot 2124, Ths eorilen mb
wf streams, canals snd seumps tepressnr aw een and eterna Tar
ssloniarson e62 dve~ifcaton of fk psi,

The seanetin x1 hese Fctrs Ful. a whi ie preoly on uf te ganze
stems with ho igen. rane of ih apes per ane nthe wl. Our sare Bs
lawleined the Fnqurtace uF masnizing tae mecetey evetape hy using rlp2
fang actin, saline across scasone.cowuing# we EGS ferns tad
Fane er fish activity ad eollectng very soir mvidual, Ths high munber of
resident apcies Srl Fr La fanosa gps thal fra le cision re ek
ele indopendsn of tw aye pulse af the nie ver ne cnn esitced
ae moa inpevtntecuogisal Fated in Anuse-sin hale ser,

Acknowledges

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