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Šukytė T, Juozaitytė-Ngugu E, Švažas S, Butkauskas D, Prakas P. The Genetic Identification of Numerous Apicomplexan Sarcocystis Species in Intestines of Common Buzzard ( Buteo buteo). Animals (Basel) 2024; 14:2391. [PMID: 39199925 PMCID: PMC11350845 DOI: 10.3390/ani14162391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/15/2024] [Accepted: 08/15/2024] [Indexed: 09/01/2024] Open
Abstract
The common Buzzard (Buteo buteo) was previously shown to transmit two Sarcocystis species (S. glareoli and S. microti) forming cysts in the brains of rodents. Due to a lack of research, the richness of Sarcocystis species spread by these birds of prey is expected to be much higher. A total of 30 samples of the small intestine of the Common Buzzard were collected in Lithuania and subjected to Sarcocystis species identification based on nested PCR of 28S rRNA and ITS1, following the sequencing of amplified DNA fragments. Six known Sarcocystis spp., S. cornixi, S. glareoli, S. halieti, S. kutkienae, S. turdusi, and S. wobeseri, along with three genetically distinct species (Sarcocystis sp. Rod3, Sarcocystis sp. Rod4, and Sarcocystis sp. Rod5), were identified. Phylogenetically, these three potentially new species clustered with Sarcocystis spp. characterised by a rodents-birds life cycle. Sarcocystis spp. employing rodents and birds as their intermediate hosts were detected in 66.7% and 50.0% of samples, respectively. These findings are consistent with the diet preferences of Common Buzzards. Notably, co-infections with two or more species were observed in a half of the samples. Altogether, the obtained results indicate that the Common Buzzard could serve as definitive host of various Sarcocystis species.
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Affiliation(s)
| | | | | | | | - Petras Prakas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (T.Š.); (E.J.-N.); (S.Š.); (D.B.)
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Hammami I, Timoumi O, Larbi I, Rekik S, Maghzaoua D, Gharbi M. First report of Sarcocystis falcatula in naturally infected Razorbill auks (Alca torda) collected in Tunisian Mediterranean Sea shores. Parasitol Res 2024; 123:193. [PMID: 38656629 DOI: 10.1007/s00436-024-08214-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 04/16/2024] [Indexed: 04/26/2024]
Abstract
Sarcocystis spp. are apicomplexan cyst-forming parasites that can infect numerous vertebrates, including birds. Sarcosporidiosis infection was investigated in three muscles (breast, right and left thigh muscle) and one organ (heart) of four Razorbill auks (Alca torda) stranded between November and December 2022 on the shores of the Mediterranean Sea in Nabeul and Bizerte governorates, Northern Tunisia. Two of the four tested A. torda were PCR positive for 18S rRNA Sarcocystis spp. gene. Among the examined 16 muscles/organs, only one breast and one right thigh were Sarcocystis spp. PCR-positive (12.5% ± 8.3, 2/16). Our results showed a relatively high molecular prevalence of Sarcocystis spp. in Razorbill auks (A. torda). Sarcocystis spp. sequence described in the present study (GenBank number: OR516818) showed 99.56-100% identity to Sarcocystis falcatula. In conclusion, our results confirmed the infection of Razorbill auks (A. torda) by S. falcatula. Further research is needed on different migratory seabirds' species in order to identify other Sarcocystis species.
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Affiliation(s)
- Ines Hammami
- Laboratory of Parasitologie, National School of Veterinary Medicine of Sidi Thabet, Univ. Manouba, Institution de la Recherche et de l'Enseignement Supérieur Agricoles, 2020, Sidi Thabet, Tunisia.
| | - Oumayma Timoumi
- Laboratory of Parasitologie, National School of Veterinary Medicine of Sidi Thabet, Univ. Manouba, Institution de la Recherche et de l'Enseignement Supérieur Agricoles, 2020, Sidi Thabet, Tunisia
| | - Imen Larbi
- Laboratory of Epidemiology and Veterinary Microbiology, LR 11 IPT 03, Institut Pasteur de Tunis, Universite de Tunis El Manar (UTM), Tunis, Tunisia
| | - Syrine Rekik
- Laboratory of Parasitologie, National School of Veterinary Medicine of Sidi Thabet, Univ. Manouba, Institution de la Recherche et de l'Enseignement Supérieur Agricoles, 2020, Sidi Thabet, Tunisia
| | - Dhekra Maghzaoua
- Laboratory of Parasitologie, National School of Veterinary Medicine of Sidi Thabet, Univ. Manouba, Institution de la Recherche et de l'Enseignement Supérieur Agricoles, 2020, Sidi Thabet, Tunisia
| | - Mohamed Gharbi
- Laboratory of Parasitologie, National School of Veterinary Medicine of Sidi Thabet, Univ. Manouba, Institution de la Recherche et de l'Enseignement Supérieur Agricoles, 2020, Sidi Thabet, Tunisia
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Prakas P, Estruch J, Velarde R, Ilgūnas M, Šneideris D, Nicolás-Francisco O, Marco I, Calero-Bernal R. First report of Sarcocystis halieti (Apicomplexa) in bearded vulture (Gypaetus barbatus). Vet Res Commun 2024; 48:541-546. [PMID: 37556068 PMCID: PMC10811024 DOI: 10.1007/s11259-023-10191-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
At least three Sarcocystis species (S. falcatula, S. halieti and S. wobeseri-like) have been detected infecting raptorial birds. By histopathology and PCR-sequencing of the ITS1 marker, S. halieti was detected in a bearded vulture (Gypaetus barbatus) and a black kite (Milvus migrans) from the Catalonia region in North Spain. The 241 bp-long sequences obtained from the Sarcocystis organisms detected in both raptors showed 97.5-99.6% and 97.9-100% similarity with those of previously identified S. halieti; also, the phylogenetic trees generated placed the identified sequences together with other sequences of S. halieti available in GenBank. In sum, the description of the bearded vulture as a new intermediate host for S. halieti adds new insights on the complex epidemiology of the genus involving avian hosts.
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Affiliation(s)
- Petras Prakas
- Nature Research Centre, Akademijos 2, Vilnius, 08412, Lithuania
| | - Josep Estruch
- Wildlife Ecology and Health group (WE&H) and Servei d'Ecopatologia de Fauna Salvatge (SEFaS), Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, 08193, Spain
| | - Roser Velarde
- Wildlife Ecology and Health group (WE&H) and Servei d'Ecopatologia de Fauna Salvatge (SEFaS), Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, 08193, Spain
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, Vilnius, 08412, Lithuania
| | | | - Olga Nicolás-Francisco
- Forestal Catalana, Ministry of Climate Action, Food and Rural Agenda (Government of Catalonia), Lleida, 25595, Spain
| | - Ignasi Marco
- Wildlife Conservation Medicine group (WildCoM), Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, 08193, Spain
| | - Rafael Calero-Bernal
- Department of Animal Health, Faculty of Veterinary, SALUVET, Complutense University of Madrid, Madrid, 28040, Spain.
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Šukytė T, Butkauskas D, Juozaitytė-Ngugu E, Švažas S, Prakas P. Molecular Confirmation of Accipiter Birds of Prey as Definitive Hosts of Numerous Sarcocystis Species, including Sarcocystis sp., Closely Related to Pathogenic S. calchasi. Pathogens 2023; 12:752. [PMID: 37375442 DOI: 10.3390/pathogens12060752] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/16/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The present study aimed to test intestinal scrapings of the Northern Goshawk (Accipiter gentilis) and the Eurasian Sparrowhawk (Accipiter nisus) from Lithuania for S. calchasi and other Sarcocystis species characterised by bird-bird life cycles. The protozoan parasite Sarcocystis calchasi can cause respiratory and neurological diseases in a variety of birds; however, the distribution of this parasite is not well-examined. Sarcocystis species were identified with nested PCR and sequencing of the partial ITS1 region. Sporocysts and/or sporulated oocysts of Sarcocystis spp. were observed in 16 (100%) Northern Goshawks and 9 (56.3%) Eurasian Sparrowhawks. Four species, S. columbae, S. halieti, S. turdusi, and S. wobeseri, were confirmed in the Eurasian Sparrowhawk. Apart from the latter four species, S. calchasi, S. cornixi, S. kutkienae, and S. lari were established in the Northern Goshawk. A higher prevalence of Sarcocystis spp. and species richness in Northern Goshawks is associated with the differences in the diet of two examined Accipiter species. This study is the first report of S. calchasi in Lithuania. Furthermore, the genetically distinct species Sarcocystis spp. 23LTAcc, which is most closely related to S. calchasi, was found in three Northern Goshawks.
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Affiliation(s)
- Tautvilė Šukytė
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | | | | | - Saulius Švažas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | - Petras Prakas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
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Máca O, González-Solís D. White-tailed eagle (Haliaeetus albicilla) as the definitive host of Sarcocystis lutrae in the Czech Republic. Front Vet Sci 2022; 9:981829. [PMID: 36061107 PMCID: PMC9435999 DOI: 10.3389/fvets.2022.981829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/22/2022] [Indexed: 11/17/2022] Open
Abstract
The white-tailed eagle, Haliaeetus albicilla, has been involved in the life cycle of several Sarcocystis species as the intermediate and definitive host. To date, it has been supposed that the eagle might play the role as the definitive host for S. Lutrae, and, herein, we tried to elucidate it based on morphometric and molecular analyses. One out of two eagles harbored oocysts (17.0−17.4 × 11.3–11.9 μm) and sporocysts (11.3–12.3 × 8.3–9.3 μm) in the intestinal mucosa, whose sequences at 18S rRNA, 28S rRNA, ITS1, and cox1 showed similar identity (97.64–100%) to published sequences of S. lutrae from other hosts. The presence of sporulated oocysts in the lamina propria of villi confirms that S. lutrae truly infects the white-tailed eagle. The white-tailed eagle is confirmed as the definitive host of S. lutrae in the Czech Republic.
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Affiliation(s)
- Ondřej Máca
- Department of Pathology and Parasitology, State Veterinary Institute Prague, Prague, Czechia
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czechia
| | - David González-Solís
- Department of Systematics and Aquatic Ecology, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, Mexico
- *Correspondence: David González-Solís
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Sato AP, da Silva TCE, de Pontes TP, Sanches AWD, Prakas P, Locatelli-Dittrich R. Molecular characterization of Sarcocystis spp. in seabirds from southern Brazil. Parasitol Int 2022; 90:102595. [PMID: 35552005 DOI: 10.1016/j.parint.2022.102595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 04/28/2022] [Accepted: 05/02/2022] [Indexed: 11/28/2022]
Abstract
Sarcocystis spp. are cyst forming apicomplexan parasites that infect many vertebrates including birds. Sarcocystis spp. infection was investigated in tissue samples (pectoral muscles, heart, and brain) of 47 dead seabirds collected from the coastline of Santa Catarina State SC - Brazil, between August 2019 and March 2020. A portion of each tissue was fixed in 10% buffered formalin for histopathologic analysis while DNA was extracted from another portion and screened using nested-PCR targeting ITS1. Based on molecular analysis, Sarcocystis spp. were identified in 15/47 (31.9%) seabirds of five species, kelp gull (Larus dominicanus), manx shearwater (Puffinus puffinus), neotropic cormorant (Phalacrocorax brasilianus), brown booby (Sula leucogaster) and great skua (Stercorarius skua). Microscopically visible sarcocysts were observed only in the pectoral muscle of four seabirds 8.5% (4/47), while in one brown booby, sarcocysts were seen in both pectoral and cardiac muscles. Two types of sarcocysts, thin walled (≤1 μm) and thick-walled (≥ 2 μm) were identified. Based on ITS1 sequence comparison, S. halieti, S. falcatula and three not yet described Sarcocystis spp. were detected. Phylogenetically, S. falcatula isolates were classified as two distinct clusters. This is the first confirmation of S. halieti in seabird's species in South America and S. falcatula in birds of the order Charadriiformes. Further molecular studies are needed to understand the epidemiology of the Sarcocystis spp. infection and its impact on the health of seabirds.
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Affiliation(s)
- Ana Paula Sato
- Department of Veterinary Medicine, Federal University of Paraná, Rua dos Funcionários 1540, CEP 80035-050, Curitiba, Paraná, Brazil.
| | - Tiffany Christiny Emmerich da Silva
- Santos Basin Beach Monitoring Project (PMP-BS), Seabird Rehabilitation Laboratory, University of Vale do Itajaí, Rua Maria Emília da Costa, CEP: 88-385-00090, Armação, Penha, Santa Catarina, Brazil
| | - Thamires Pires de Pontes
- Santos Basin Beach Monitoring Project (PMP-BS), Seabird Rehabilitation Laboratory, University of Vale do Itajaí, Rua Maria Emília da Costa, CEP: 88-385-00090, Armação, Penha, Santa Catarina, Brazil
| | | | - Petras Prakas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | - Rosangela Locatelli-Dittrich
- Department of Veterinary Medicine, Federal University of Paraná, Rua dos Funcionários 1540, CEP 80035-050, Curitiba, Paraná, Brazil.
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Máca O, González-Solís D. Role of three bird species in the life cycle of two Sarcocystis spp. (Apicomplexa, Sarcocystidae) in the Czech Republic. Int J Parasitol Parasites Wildl 2022; 17:133-137. [PMID: 35070681 PMCID: PMC8761862 DOI: 10.1016/j.ijppaw.2022.01.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 11/22/2022]
Abstract
Birds are one of the groups involved in the development of Sarcocystis Lankester (1882), serving either as intermediate or definitive hosts. The white-tailed sea eagle Haliaeetus albicilla (Linnaeus, 1758), red kite Milvus milvus (Linnaeus, 1758) (both Accipitriformes) and common starlings Sturnus vulgaris Linnaeus, 1758 (Passeriformes) were examined to elucidate their participation in the development of Sarcocystis, as well as to determine the specific identity of the parasites based on morphological and especially molecular analyses. In 2020-2021, one white-tailed eagle, one red kite and five common starlings were parasitologically examined for the presence of Sarcocystis using flotation centrifugation coprological method and by wet mounts of intestinal mucosa scrapings and/or muscle samples. Positive samples were processed by light microscopy, histologically and followed molecularly at four genetic markers (18S rRNA, 28S rRNA, ITS1 and cox1). The white-tailed eagle harboured oocysts/sporocysts of S. arctica Gjerde et Schulze, 2014 in the intestinal mucosa, while the intestinal mucosa of the red kite and breasts and leg muscles of one common starling were positive to S. halieti Gjerde, Vikøren et Hamnes, 2018. Sequences from eagle shared 99.6-100% identity with each other and S. arctica in the red fox (V. vulpes Linnaeus, 1758) from the Czech Republic. Sequences from the common starling and red kite shared 100% identity with each other and with S. halieti in the great cormorant (P. carbo [Linnaeus, 1758]) from Lithuania and H. albicilla from Norway. The white-tailed sea eagle might act as definitive host of S. arctica, whereas the common starling and red kite represent intermediate and potential definitive hosts, respectively, for S. halieti.
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Affiliation(s)
- Ondřej Máca
- Department of Pathology and Parasitology, State Veterinary Institute Prague, Sídlištní 136/24, 165 03, Prague 6, Czech Republic
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague Suchdol, Czech Republic
| | - David González-Solís
- Department of Systematics and Aquatic Ecology, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, Mexico
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Juozaitytė-Ngugu E, Švažas S, Šneideris D, Rudaitytė-Lukošienė E, Butkauskas D, Prakas P. The Role of Birds of the Family Corvidae in Transmitting Sarcocystis Protozoan Parasites. Animals (Basel) 2021; 11:ani11113258. [PMID: 34827989 PMCID: PMC8614389 DOI: 10.3390/ani11113258] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Members of the genus Sarcocystis are protozoan parasites that infect mammals, birds, and reptiles. Sarcocystis spp. have an obligatory two-host prey-predator life cycle. Sarcocysts form in the muscles and central nervous system of the intermediate host, while oocysts and sporocysts develop in the small intestine of the definitive host. There is a lack of studies on omnivorous birds of family Corvidae as potential definitive hosts of Sarcocystis spp. Until now, only S. ovalis has been confirmed to be transmitted via corvids. In the current study, 91 small intestine samples from six corvid species from Lithuania were examined for the presence of Sarcocystis spp. that use birds, carnivorous mammals, and cervids as intermediate hosts. Oocysts of Sarcocystis spp. were observed in 43 samples (47.3%) using a light microscope. Based on molecular methods, 11 Sarcocystis spp., (S. columbae, S. cornixi, S. halieti, S. kutkienae, S. lari, S. turdusi, S. wobeseri, S. arctica, S. lutrae, S. ovalis, and S. oviformis) were identified. These results indicate that corvids may transmit some species of Sarcocystis that use birds and mammals as intermediate hosts. Abstract Members of the family Corvidae are ecologically flexible omnivorous birds, particularly adaptive to urban habitats, and living in proximity to humans; these birds may serve as definitive hosts (DH) for Sarcocystis spp., but research about this is lacking. In the present study, intestinal samples from 91 corvids collected in Lithuania were molecularly tested by species-specific PCR targeting the ITS1 and cox1 genes and subsequently sequenced for the presence of Sarcocystis spp. Under a light microscope, oocysts of Sarcocystis spp. were observed in 43 samples (47.3%), while molecular methods, detected Sarcocystis spp. in 77 birds (84.6%). Eleven Sarcocystis spp. (S. columbae, S. cornixi, potentially pathogenic S. halieti, S. kutkienae, S. lari, S. turdusi, S. wobeseri, S. arctica, S. lutrae, S. ovalis, and S. oviformis) were identified in the intestinal samples from six corvid species from Lithuania. Infections with multiple Sarcocystis spp. were detected in 79.2% of the infected corvid birds. Three of the identified Sarcocystis spp. use corvids as intermediate hosts (IH); therefore, corvids may serve as IH and DH of the same Sarcocystis species. Based on molecular results and on corvid diet, omnivorous corvids may play an important role in transmitting Sarcocystis spp.
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Prakas P, Bea A, Juozaitytė-Ngugu E, Olano I, Villanúa D, Švažas S, Butkauskas D. Molecular identification of Sarcocystis halieti in the muscles of two species of birds of prey from Spain. Parasit Vectors 2021; 14:414. [PMID: 34407877 PMCID: PMC8375183 DOI: 10.1186/s13071-021-04921-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/03/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Members of the genus Sarcocystis are protozoan parasites characterized by a prey-predator two-host life-cycle. Sarcocysts are formed in the muscles or central nervous system of the intermediate host (IH), while sporocysts develop in the small intestine of the definitive host (DH). Various birds of prey have been confirmed to be DH for Sarcocystis spp. Three Sarcocystis species, S. wobeseri, S. halieti and S. falcatula, have been identified in the muscles of birds of prey, of which the latter are known to be pathogenic and can cause encephalitis in various birds. The aim of this study was to identify Sarcocystis spp. in the muscles of birds of prey from Spain. METHODS Between 2019 and 2020, muscle tissue samples taken from 59 birds of prey admitted to the Wildlife Recovery Centre in Ilundain (Navarra, Spain) were examined for the presence of Sarcocystis spp. Sarcocysts in fresh squashed samples were morphologically characterized under the light microscope (LM). Sarcocystis spp. were identified by means of 28S ribosomal RNA and internal transcribed spacer 1 sequence analysis. RESULTS Microscopic examination of squashed tissue samples stained with methylene blue revealed the presence of sarcocysts in three of the 59 (5.1%) birds examined. Only one sarcocyst type was observed under the LM. Sarcocysts were thread-like (1050-2160 × 130-158 μm) and had a thin (0.7-1.4 μm) and smooth cyst wall. Septa divided the cysts into compartments filled with banana-shaped (5.9 × 1.7 μm) bradyzoites. On the basis of DNA sequence results, S. halieti was identified in the western marsh harrier (Circus aeruginosus) and the black kite (Milvus migrans) for the first time. Sarcocysts of S. halieti were shorter and wider compared to those observed in the great cormorant (Phalacrocorax carbo) and the herring gull (Larus argentatus). According to current knowledge, S. halieti may infect birds belonging to four different orders: Suliformes, Charadriiformes, Strigiformes and Accipitriformes. CONCLUSIONS This is the first report of S. halieti in the western marsh harrier and the black kite as IH. So far, little research has been conducted on birds of prey as IH for Sarcocystis spp. These results indicate that further studies combining morphological, histopathological, and molecular methods are required.
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Affiliation(s)
- Petras Prakas
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania.
| | - Antonio Bea
- Ekos Estudios Ambientales S.L.U., Donostia Etorbidea 2, Bajo 2, 20160, Lasarte, Spain
| | | | - Iñaki Olano
- Ekos Estudios Ambientales S.L.U., Donostia Etorbidea 2, Bajo 2, 20160, Lasarte, Spain
| | - Diego Villanúa
- Navarra Environmental Management GAN-NIK, Calle Padre Adoain 219, 31015, Pamplona, Spain
| | - Saulius Švažas
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania
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