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Cormorant pellets as a tool for the knowledge of parasite-intermediate host associations and nematode diversity in the environment

L. Garbin
L. Garbin
, 
J. I. Diaz
J. I. Diaz
, 
A. Morgenthaler
A. Morgenthaler
, 
A. Millones
A. Millones
, 
L. Kuba
L. Kuba
, 
D. Fuchs
D. Fuchs
 and 
G.T. Navone
G.T. Navone
   | Nov 06, 2019
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Published Online: Nov 06, 2019
Page range: 296 - 302
Received: Dec 11, 2018
Accepted: Jul 24, 2019
DOI: https://doi.org/10.2478/helm-2019-0027
Keywords
© 2019 L. Garbin, J. I. Diaz, A. Morgenthaler, A. Millones, L. Kuba, D. Fuchs, G.T. Navone, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Fig. 1

Sampling sites of Phalacrocorax atriceps pellets at Punta León, Chubut coast, and Phalacrocorax gaimardii at Isla Elena, Ría Deseado, Santa Cruz Province, Argentina.
Sampling sites of Phalacrocorax atriceps pellets at Punta León, Chubut coast, and Phalacrocorax gaimardii at Isla Elena, Ría Deseado, Santa Cruz Province, Argentina.

Fig. 2

Results of Correspondence Analysis (CA) revealing the larvae-prey associations in pellets of Phalacrocorax atriceps from Punta León, Chubut coast, Argentina. Contr: Contracaecum sp. L3; Anisk: Anisakis sp. L3; Pseud: Pseudoterranova sp. L3; Terran: Terranova sp. L3; En: Engraulis anchoita; Od: Odontesthes sp.; Ra: Raneya brasiliensis; Tr: Triathalassothia argentina; Ri: Ribeiroclinus eigenmanni; Pt: Patagonotothen sp.; Ag: Agonopsis chiloensis; Au: Austrolycus laticinctus; Pa: Paralichthys sp.; Pe: Percophis brasiliensis; Et: Enteroctopus megalocyathus; Oc: Octopus tehuelchus; Os: Ostracoda; Ga: Gammaridae; At: Atlantopandalus sp.; Co: Coenophthalmus tridentatus; Eu: Eunice sp.; Po: Polynoidae; Af: Aphrodita sp.
Results of Correspondence Analysis (CA) revealing the larvae-prey associations in pellets of Phalacrocorax atriceps from Punta León, Chubut coast, Argentina. Contr: Contracaecum sp. L3; Anisk: Anisakis sp. L3; Pseud: Pseudoterranova sp. L3; Terran: Terranova sp. L3; En: Engraulis anchoita; Od: Odontesthes sp.; Ra: Raneya brasiliensis; Tr: Triathalassothia argentina; Ri: Ribeiroclinus eigenmanni; Pt: Patagonotothen sp.; Ag: Agonopsis chiloensis; Au: Austrolycus laticinctus; Pa: Paralichthys sp.; Pe: Percophis brasiliensis; Et: Enteroctopus megalocyathus; Oc: Octopus tehuelchus; Os: Ostracoda; Ga: Gammaridae; At: Atlantopandalus sp.; Co: Coenophthalmus tridentatus; Eu: Eunice sp.; Po: Polynoidae; Af: Aphrodita sp.

Fig. 3

Results of Correspondence Analysis (CA) revealing the parasite-pray associations in pellets of Phalacrocorax gaimardii from Isla Elena, Cruz Province, Argentina. Contr: Contracaecum sp. L3; Hyster: Hysterothylacium sp. L3; Sp: Sprattus fueguensis; Rg; Ramnogster arcuata; Od: Odontesthes sp.; Pt: Patagonotothen sp.; Lg: Loligo gahi; Lo: Loligo sp.; Ne: Nereididae.
Results of Correspondence Analysis (CA) revealing the parasite-pray associations in pellets of Phalacrocorax gaimardii from Isla Elena, Cruz Province, Argentina. Contr: Contracaecum sp. L3; Hyster: Hysterothylacium sp. L3; Sp: Sprattus fueguensis; Rg; Ramnogster arcuata; Od: Odontesthes sp.; Pt: Patagonotothen sp.; Lg: Loligo gahi; Lo: Loligo sp.; Ne: Nereididae.

Occurrence of prey items in pellets of the Imperial shag Phalacrocorax atriceps from Punta León, Chubut province coast, Argentina.

TaxaSpeciesOcurrence (%)
OphididaeRaneya brasiliensis75.31
Genypterus blacodes1.23
BatrachoididaeTriathalassothia argentina65.43
ClinidaeRibeiroclinus eigenmanni50.62
NototheniidaePatagonotothen sp.19.75
EngraulidaeEngraulis anchoita24.92
AgonidaeAgonopsis chiloensis12.35
PinguipedidaePinguipes brasilianus10.28
Pseudopercis sp.12.35
CheilodactylidaeNemadactylus bergi6.17
SerranidaeAcanthistius brasilianus4.94
ZoarcidaeAustrolycus laticinctus3.70
ParalichthyidaeParalichthys sp.4.02
Xystreurys rasile2.47
PercophidaePercophis brasiliensis2.43
AtherinopsidaeOdontesthes sp.10.48
MerlucciidaeMerluccius hubbsi5.23
TriglidaePrionotus sp.1.28
MyxinidaeMyxine sp.1.25
RajidaeRaja sp.1.2
OctopodidaeEnteroctopus megalocyathus22.22
Octopus tehuelchus19.75
BivalviaHeterodonta9.88
ProsobranchiaTegula sp.8.64
OstracodaOstracoda8.64
AmphipodaGammaridae2.47
AnomuraPachicheles chubutensis2.47
CarideaAtlantopandalus sp.4.94
Nauticaris sp.1.29
Chorismus sp.1.26
Campylonotus sp.1.23
Betaeus sp.1.21
Pterygosquilla sp.1.19
BrachiuraCoenophthalmus tridentatus4.93
SolenoceridaePleoticus muelleri1.23
PolychaetaEunice sp.12.35
Polyonidae6.17
Aphrodita sp.3.70

Occurrence of prey items in pellets of the Red-legged cormorant Phalacrocorax gaimardi from Isla Elena, Ría Deseado, Santa Cruz province coast, Argentina.

TaxaSpeciesOcurrence (%)
ClupeidaeSprattus fueguensis32.86
Ramnogster arcuata14.29
NototheniidaePatagonotothen sp.2.86
PinguipedidaePinguipes brasilianus1.43
AtherinopsidaeOdontesthes sp.10.68
ZoarcidaeZoarcid1.43
LoliginidaeLoligo gahi8.57
Loligo sp.12.86
CrustaceaEurypodius latreilli4.29
NereididaeNereidid4.23
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