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Wyświetlanie 1-15 z 18
Tytuł:
Voltage stability in low voltage microgrids in aspects of active and reactive power demand
Autorzy:
Parol, M.
Rokicki, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/140350.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
distributed generation
microgrids
voltage stability
voltage stability margin
indexes
Opis:
Low voltage microgrids are autonomous subsystems, in which generation, storage and power and electrical energy consumption appear. In the paper the main attention has been paid to the voltage stability issue in low voltage microgrid for different variants of its operation. In the introduction a notion of microgrid has been presented, and also the issue of influence of active and reactive power balance on node voltage level has been described. Then description of voltage stability issue has been presented. The conditions of voltage stability and indicators used to determine voltage stability margin in the microgrid have been described. Description of the low voltage test microgrid, as well as research methodology along with definition of considered variants of its operation have been presented further. The results of exemplary calculations carried out for the daily changes in node load of the active and reactive power, i.e. the voltage and the voltage stability margin indexes in nodes have been presented. Furthermore, the changes of voltage stability margin indexes depending on the variant of the microgrid operation have been presented. Summary and formulation of conclusions related to the issue of voltage stability in microgrids have been included at the end of the paper.
Źródło:
Archives of Electrical Engineering; 2016, 65, 1; 19-32
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards optimal operation control in rural low voltage microgrids
Autorzy:
Parol, M.
Rokicki, Ł.
Parol, R.
Powiązania:
https://bibliotekanauki.pl/articles/200413.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
microgrids
centralized control
distributed control
rural areas
Opis:
The paper raises the issue of controlling rural low voltage microgrids in an optimal manner. The impact of different criterion functions, related to the amount of energy exchanged with the distribution system operator network, the level of active power losses, the amount of energy generated by different energy sources and the value of financial performance measures regarding the microgrid operation, on the choice of operating points for devices suggested by the optimization algorithm has been analyzed. Both island and synchronous microgrid operation modes are being considered. We propose two variants of the optimization procedure: the first one is based on the particle swarm optimization algorithm and centralized control logic, and the second one takes advantage of the decentralized approach and Monte Carlo methods. A comparison of the simulation results for two sample rural microgrids, obtained for different objective functions, microgrid operation modes and optimization procedure variants, with the use of prepared algorithm implementations, has been provided. The results show that the proper choice of an objective function can have a crucial impact on the optimization algorithm’s behavior, the choice of operating points and, as a consequence, on microgrid behavior as well. The choice of the proper form of the objective function is the responsibility of the person in charge of both the microgrid itself and its operation. This paper can contribute towards making correct decisions in this area. Generally, slightly better results have been achieved for the centralized control mode of operation. Nevertheless, the results also suggest that in many cases the approach based on distributed logic can return results that are better or sufficiently close to the ones provided by the centralized and more sophisticated approach.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2019, 67, 4; 799-812
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effective approach to distributed optimal operation control in rural low voltage microgrids
Autorzy:
Parol, M.
Kapler, P.
Marzecki, J.
Parol, R.
Połecki, M.
Rokicki, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/201003.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
microgrids
optimal operation
distributed control
rural areas
Opis:
The paper raises the issue of optimizing the control of the rural low voltage microgrids. Microgrids can operate in a synchronous mode with grids of distribution system operators and in an island mode. We can distinguish two control strategies in microgrids: one approach based on centralized control logic, which is usually used, and another on decentralized control logic. In this paper we decided to present the approach based on the distributed control, combining the efforts of the distributed cooperative control and modified Monte Carlo optimization method. Special attention has been paid to the impact of the order of processing particular devices’ groups on results of optimization calculations. Moreover, different scenarios of behavior of the microgrid control system with respect to the communication loss have been also presented. The influence of the issue of continuity of communication between particular devices’ groups on the possibility of carrying out the optimization process has been investigated. Additionally, characteristics of power loads and generation of electricity from small renewable energy appearing in rural areas have been described and the sensitivity of the optimization algorithm to the changes of demanded power values and changes of values of power generated by renewable energy sources has been studied. We analyzed different objective functions which can be can be used as an optimization goal both in synchronous and island operation modes of microgrid. We decided to intensively test our approach on a sample rural LV microgrid, which is typical in the countryside. The observed results of the tests have been presented and analyzed in detail. Generally, results achieved with the use of proposed distributed control are the same as with the use of centralized control. We think that the approach based on distributed control is promising for practical applications, because of its advantages.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 661-678
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The occurrence of the nematodes Anisakis simplex pathogenic to man in pike-perch from the Vistula Lagoon, Poland
Autorzy:
Rolbiecki, L
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/837309.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
Polska
Vistula Lagoon
nematode
Anisakis simplex
occurrence
pike perch
animal disease
Opis:
Of the 400 pike-perches examined, 12% were infected with L3 Anisakis simplex. The infected fish were over 45 cm long. The hypothesis submitted was that the pike-perches may constitute the source of infection in accidental hosts, i.e. in man.
Źródło:
Annals of Parasitology; 2000, 46, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Colonization of the round goby, Neogobius melanostomus [Gobiidae] by parasites in the new environment of the Gulf of Gdansk [Southern Baltic]
Autorzy:
Rokicki, J
Rolbiecki, L.
Powiązania:
https://bibliotekanauki.pl/articles/838628.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Gobiidae
new environment
Baltic Sea
Gdansk Gulf
Neogobius melanostomus
round goby
colonization
Opis:
The round goby (Neogobius melanostomus) is a non-indigenous species in the Baltic Sea, introduced to its waters (the Gulf of Gdańsk) from the Black, Azov, and Caspian Seas. For this reason, an attempt was made to determine the species' parasitic fauna in its new environment. Within 1994-2000, a total of 201 round goby specimens caught in the Gulf of Gdańsk were examined. The parasites found represented protozoans (Trichodina domerguei domerguei), digencans (Diplostomum spp. metacercariae), cestodes (Bothriocephalus scorpii, plerocercoids), nematodes (Hysterothylacium aduncum L₃, L₄, and adults), and canthocephalans (Echinorhynchus gadi and Pomphorhynchus laevis). The parasitic species found are common in the Gulf of Gdańsk. It should be emphasized that, since the round goby has only recently appeared in the Gulf, the parasitic fauna of this fish is not yet complete.
Źródło:
Annals of Parasitology; 2002, 48, 2
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The occurrence of the nematodes Anisakis simplex pathogenic to man in pike-perch from the Vistula Lagoon, Poland
Autorzy:
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/2148590.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
Polska
Vistula Lagoon
nematode
Anisakis simplex
occurrence
pike perch
animal disease
Opis:
Of the 400 pike-perches examined, 12% were infected with L3 Anisakis simplex. The infected fish were over 45 cm long. The hypothesis submitted was that the pike-perches may constitute the source of infection in accidental hosts, i.e. in man.
Źródło:
Wiadomości Parazytologiczne; 2000, 46, 3; 397-402
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parasite fauna of the eel, Anguilla anguilla [Linnaeus, 1758], from the Polish part of the Vistula Lagoon
Autorzy:
Rolbiecki, L
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/838588.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
eel
Anguilla anguilla
Polska
Nematoda
Vistula Lagoon
Ciliophora
Acanthocephala
Copepoda
parasite
Cestoda
Hirudinea
parasitology
condition coefficient
Opis:
Introduction. Eel is one of the most valuable commercial fish species of the Vistula Lagoon. For this reason its infection by non-indigenous species of parasites is the subject of the interest of sciencists. Material and methods. A total of 90 eel specimens caught in the Polish part of the Vistula Lagoon were examined over the period of May-August 2005. The fish were subjected to standard procedures of parasitological examination and parasite identification. The fish were divided into two length classes: smaller and larger than 50 cm. To assess the effects of parasites on fish condition, the Fulton coefficient, expressed with the formula: WF = G · L⁻³ x 100, was calculated. Results. The fish were found to be hosts to 17 parasite taxa. The Ciliophora were represented by Trichodinella epizootica (Raabe, 1950); the Myxozoa by Myxidium giardi Cépede, 1906; the Digenea by Bunodera luciopercae (Müller, 1784), Deropristis inflata (Molin, 1859), Diplostomum spp., and Ichthyocotylurus platycephalus (Creplin, 1852); the Cestoda by Bothriocephalus claviceps (Goeze, 1782), Proteocephalus macrocephalus (Creplin, 1815), and Proteocephalus sp.; the Nematoda by Anguillicola crassus Kuwahara, Niimi et Itagaki, 1974, Camallanus lacustris (Zoega, 1776), C. truncatus (Rudolphi, 1814), and Hysterothylacium aduncum (Rudolphi, 1802); the Acanthocephala by Acanthocephalus lucii (Müller, 1776) and Corynosoma strumosum (Rudolphi, 1802); the Hirudinea by Piscicola geometra (Linnaeus, 1761); and the Copepoda by Ergasilus sieboldi Nordmann, 1832. All fishes were infected, and the mean intensity of all parasites was 4.8 inds. The nematode Anguillicola crassus was the most frequent parasite (67.8%, 4.2 inds), represented by all developmental stages, but mostly by adult specimens. The fish condition coefficient was somewhat higher in the eel larger than 50 cm (0.1746) than in those smaller than 50 cm (0.1734); in addition, only Anguillicola crassus-free fish showed a higher condition coefficient (0.1861), compared to the infected specimens (0.1715).
Źródło:
Annals of Parasitology; 2006, 52, 2
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parasite fauna of the eel, Anguilla anguilla [Linnaeus, 1758], from the Polish part of the Vistula Lagoon
Autorzy:
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/2144332.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
eel
Anguilla anguilla
Polska
Nematoda
Vistula Lagoon
Ciliophora
Acanthocephala
Copepoda
parasite
Cestoda
Hirudinea
parasitology
condition coefficient
Opis:
Introduction. Eel is one of the most valuable commercial fish species of the Vistula Lagoon. For this reason its infection by non-indigenous species of parasites is the subject of the interest of sciencists. Material and methods. A total of 90 eel specimens caught in the Polish part of the Vistula Lagoon were examined over the period of May-August 2005. The fish were subjected to standard procedures of parasitological examination and parasite identification. The fish were divided into two length classes: smaller and larger than 50 cm. To assess the effects of parasites on fish condition, the Fulton coefficient, expressed with the formula: WF = G · L⁻³ x 100, was calculated. Results. The fish were found to be hosts to 17 parasite taxa. The Ciliophora were represented by Trichodinella epizootica (Raabe, 1950); the Myxozoa by Myxidium giardi Cépede, 1906; the Digenea by Bunodera luciopercae (Müller, 1784), Deropristis inflata (Molin, 1859), Diplostomum spp., and Ichthyocotylurus platycephalus (Creplin, 1852); the Cestoda by Bothriocephalus claviceps (Goeze, 1782), Proteocephalus macrocephalus (Creplin, 1815), and Proteocephalus sp.; the Nematoda by Anguillicola crassus Kuwahara, Niimi et Itagaki, 1974, Camallanus lacustris (Zoega, 1776), C. truncatus (Rudolphi, 1814), and Hysterothylacium aduncum (Rudolphi, 1802); the Acanthocephala by Acanthocephalus lucii (Müller, 1776) and Corynosoma strumosum (Rudolphi, 1802); the Hirudinea by Piscicola geometra (Linnaeus, 1761); and the Copepoda by Ergasilus sieboldi Nordmann, 1832. All fishes were infected, and the mean intensity of all parasites was 4.8 inds. The nematode Anguillicola crassus was the most frequent parasite (67.8%, 4.2 inds), represented by all developmental stages, but mostly by adult specimens. The fish condition coefficient was somewhat higher in the eel larger than 50 cm (0.1746) than in those smaller than 50 cm (0.1734); in addition, only Anguillicola crassus-free fish showed a higher condition coefficient (0.1861), compared to the infected specimens (0.1715).
Źródło:
Wiadomości Parazytologiczne; 2006, 52, 2; 115-119
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Colonization of the round goby, Neogobius melanostomus [Gobiidae] by parasites in the new environment of the Gulf of Gdansk [Southern Baltic]
Autorzy:
Rokicki, J.
Rolbiecki, L.
Powiązania:
https://bibliotekanauki.pl/articles/2147696.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Gobiidae
new environment
Baltic Sea
Gdansk Gulf
Neogobius melanostomus
round goby
colonization
Opis:
The round goby (Neogobius melanostomus) is a non-indigenous species in the Baltic Sea, introduced to its waters (the Gulf of Gdańsk) from the Black, Azov, and Caspian Seas. For this reason, an attempt was made to determine the species' parasitic fauna in its new environment. Within 1994-2000, a total of 201 round goby specimens caught in the Gulf of Gdańsk were examined. The parasites found represented protozoans (Trichodina domerguei domerguei), digencans (Diplostomum spp. metacercariae), cestodes (Bothriocephalus scorpii, plerocercoids), nematodes (Hysterothylacium aduncum L₃, L₄, and adults), and canthocephalans (Echinorhynchus gadi and Pomphorhynchus laevis). The parasitic species found are common in the Gulf of Gdańsk. It should be emphasized that, since the round goby has only recently appeared in the Gulf, the parasitic fauna of this fish is not yet complete.
Źródło:
Wiadomości Parazytologiczne; 2002, 48, 2; 197-200
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stickleback as a potential paratenic host in the Anisakis simplex life cycle in the Baltic Sea: results of experimental infection
CIERNIK JAKO POTENCJALNY ŻYWICIEL PARATENICZNY W CYKLU ŻYCIOWYM ANISAKIS SIMPLEX W BAŁTYKU NA PODSTAWIE EKSPERYMENTALNEGO ZARAŻENIA
Autorzy:
Rolbiecki, L.
Janc, A.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/2148094.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
infection prevalence
paratenic host
life cycle
nematode
Baltic Sea
Gdansk Gulf
experimental infection
Anisakis simplex
host
stickleback
Opis:
Anisakis simplex stage 3 larvae found in herring were used to experimentally infect 155 sticklebacks and 6 nine-spined sticklebacks, caught in the Gdynia marina (Gulf of Gdańsk). The larvae were observed in the fish body cavity as early as 24 h after infection, only the sticklebacks being affected. Altogether, 50 live and 2 dead larvae were found in the stickleback body cavity. The infection prevalence and mean intensity were 13.6% and 2.4 larvae, respectively, from 1 to 8 larvae per fish being recorded. It is concluded that the stickleback may serve as a paratenic host for Anisakis simplex.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 3; 257-262
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Helminth communities of European eels Anguilla anguilla [Linnaeus, 1758] from the Vistula Lagoon and Puck Bay, Poland
Autorzy:
Bystydzieńska, Z.
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/2146385.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
community
Anguilla anguilla
Polska
Vistula Lagoon
Puck Bay
helminth
European eel
Opis:
Within 2001-2002 a total of 621 eel Anguilla anguilla (L., 1758) (488 from the Vistula Lagoon and 133 from the Puck Bay) were examined. Fifteen parasite taxa were recovered: Pseudodactylogyrus anguillae (Yin et Sproston, 1948), Brachyphallus crenatus (Rudolphi, 1802), Deropristis inflata (Molin, 1859), Diplostomum spp., Bothriocephalus claviceps (Goeze, 1782), Proteocephalus macrocephalus (Creplin, 1825), Anguillicola crassus (Kuwahara, Niimi et Itagaki, 1974), Camallanus lacustris (Zoega, 1776), Cystidicola farionis Fischer, 1798, Hysterothylacium aduncum (Rudolphi, 1802), Raphidascaris acus (Bloch, 1779), Acanthocephalus anguillae (Müller, 1780), A. lucii (Müller, 1776), Echinorhynchus gadi Müller, 1776, and Pomphorhynchus laevis (Müller, 1776), representing Monogenea, Digenea, Cestoda, Nematoda, and Acanthocephala, respectively. Ten of these taxa occurred in the Vistula Lagoon, while fourteen were noted in the, Puck Bay. P. anguillae, Diplostomum spp., C. lacustris, C. farionis and P. laevis were not found in the lagoon eels, while B. crenatus did not occur in the bay. Anguillicola crassus was the most frequently found parasite (Vistula Lagoon: prevalence 75%, mean intensity 6.9 specimens; Puck Bay: 74.4%, and 8.3 specimens, respectively). Pseudodactylogyrus anguillae was recorded for the first time in the Puck Bay.
Źródło:
Wiadomości Parazytologiczne; 2005, 51, 2; 145-150
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Notes on the parasites of European grayling, Thymallus thymallus (L.) (Actenopterygii: Salmonidae), from selected rivers in Poland
Autorzy:
Kulikowski, M.
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/5957.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
fish
European grayling
Thymallus thymallus
Actinopterygii
Salmonidae
river
Polska
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Connection between parasite fauna of wild grayling Thymallus thymallus [L.] and farmed fish
Autorzy:
Rokicki, J.
Kulikowski, M.
Rolbiecki, L.
Powiązania:
https://bibliotekanauki.pl/articles/839999.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
Reda River
Acanthocephala
Protozoa
Leba River
Digenea
parasite
Thymallus thymallus
Cestoda
wild grayling
farmed fish
metacercaria
Radunia River
grayling
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stickleback as a potential paratenic host in the Anisakis simplex life cycle in the Baltic Sea: results of experimental infection
Autorzy:
Rolbiecki, L
Janc, A.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/840619.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
infection prevalence
paratenic host
life cycle
nematode
Baltic Sea
Gdansk Gulf
experimental infection
Anisakis simplex
host
stickleback
Opis:
Anisakis simplex stage 3 larvae found in herring were used to experimentally infect 155 sticklebacks and 6 nine-spined sticklebacks, caught in the Gdynia marina (Gulf of Gdańsk). The larvae were observed in the fish body cavity as early as 24 h after infection, only the sticklebacks being affected. Altogether, 50 live and 2 dead larvae were found in the stickleback body cavity. The infection prevalence and mean intensity were 13.6% and 2.4 larvae, respectively, from 1 to 8 larvae per fish being recorded. It is concluded that the stickleback may serve as a paratenic host for Anisakis simplex.
Źródło:
Annals of Parasitology; 2001, 47, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Digenean fauna of the great cormorant Phalacrocorax carbo sinensis [Blumenbach, 1798] in the brackish waters of the Vistula Lagoon and the Gulf of Gdansk [Poland]
Autorzy:
Kanarek, G
Sitko, J.
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/840722.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Polska
parasitic fauna
Vistula Lagoon
Gdansk Gulf
Phalacrocorax carbo sinensis
brackish water
great cormorant
Digenea
Opis:
The great cormorant Phalacrocorax carbo sinensis (Blumenbach, 1798) is one of the most important birds in the Vistula Lagoon and the Gulf of Gdańsk area. As a typical piscivore the bird plays a significant part in life cycles of parasites in aquatic ecosystems. Within January 2000-June 2001, a complete helminthological examination was performed on great cormorants collected in the nesting area at Kąty Rybackie on the Vistula Spit (80 specimens) and in the Vistula Lagoon (10 specimens). The infection prevalence mean intensity, and intensity range were 92.2%, 376.5, and 1-4524, respectively. The presence of 9 digenean species (Paryphostomum radiatum (Dujardin, 1845), Petasiger exaeretits Dietz, 1909, P. phalacroracis (Yamaguti, 1939), Mesorchis pseudoechinatus (Olsson, 1876), Metorchis xanthosomus (Creplin, 1846), Cryptocotyle concavum (Creplin, 1825), Hysteromorpha triloba (Rudolphi, 1819), Tylodelphys clavata (Nordmann, 1832), and Holostephanus dubinini Vojtek et Vojtkova, 1968) was recorded, P. phalacrocoracis being the most common parasile (prevalence 92.2%, mean intensity 323.8). Tylodelphys clavata proved a parasite new for the great cormorant moreover the records of P. phalacrocoracis, H. triloba, and H. dubinini are the first in Poland, while C. concavinn and M. pseudoechinatus were for the first time recorded in the great cormorant in Poland.
Źródło:
Annals of Parasitology; 2003, 49, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
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