Carvalho-Junior, O. de O., D’Aquino, C. de A., & Sabbagh Junior, A. A. (2024). Application of Emergy Accounting Techniques to Demonstrate the Contributions of Natural Energy Sources to the Sustainability of the Araranguá River Estuary (SSRN Scholarly Paper 4905989). https://doi.org/10.2139/ssrn.4905989

Carvalho Junior, O., Birolo, A., Schmidt, A., Tosatti, M., & Bacci, E. (2024). O dilema entre MONA e APA: O caso da Lagoa do Peri. Revista Internacional de Ciências, 14(1), 23–37. https://doi.org/10.12957/ric.2024.79514

Carvalho Junior, O. (2024). Global and regional physical processes in the surface of the Indian Ocean: Processos físicos globais e regionais na superfície do Oceano Índico. Concilium, 24(5), Artigo 5. https://doi.org/10.53660/CLM-3068-24E30

Carvalho Junior, O. (2024). Lontra longicaudis as an environmental bioindicator: A lontra longicaudis como bioindicador ambiental. Concilium, 24(1), Artigo 1. https://doi.org/10.53660/CLM-2740-24B08

Haddout, S., Priya, K. L., Casila, J. C. C., Hoguane, A. M., Ljubenkov, I., Israelsson, P. H., Kantamaneni, K., Junior, O. C., Kurniawan, T. A., Rathnayake, U., Khajenoori, L., Esteban, M. D., Zhang, J., Hait, S., Soeprobowati, T. R., & Tümerkan, E. T. A. (2024). Estuarine Management and Technologies: A way forward for estuarine research. Estuarine Management and Technologies, 1(1), Artigo 1. https://doi.org/10.3897/emt.1.116778

Carvalho Junior, O. de O., Birolo, A. B., & Tosatti, M. A. (2023). Analysis of the impact caused by tourism in Lagoinha do Leste Municipal Park, Santa Catarina Island, Brazil. Brazilian Journal of Development, 9(12), 31553–31567. https://doi.org/10.34117/bjdv9n12-066

Espírito Augusti, B., Rahal, S. C., da Silva, J. P., Vac, M. H., Teixeira, R. H. F., da Costa, A. L. M., da Silva Gomes, M., Novais, J., Carvalho Junior, O., & Mamprim, M. J. (2023). Sonographic features of abdominal organs in healthy captive Neotropical otters (Lontra longicaudis). Anatomia, Histologia, Embryologia, 53(1), e13009. https://doi.org/10.1111/ahe.13009

Carvalho Junior, O. de O., Silva, C. J., Castrillon, S. I., & Brown, M. (2023). Analysis of the economic and environmental sustainability of the municipality of Cáceres-Pantanal, MT, Brazil: Análise da sustentabilidade econômica e ambiental do município de Cáceres-Pantanal, MT, Brasil. Concilium, 23(20), Article 20. https://doi.org/10.53660/CLM-2335-23R43

Barbosa, P. M. L., Esteves, P. S., & Carvalho Junior, O. (2023). Anatomical Study of the Conus Medullaris in the Neotropical River Otter (Lontra longicaudis). IUCN Otter Spec. Group Bull., 40(2), 109–115. https://iucnosgbull.org/Volume40/Barbosa_et_al_2023.html

Carvalho Junior, O. de O., & Birolo, A. B. (2023). A mudança climática e os desafios na educação oceânica. Brazilian Journal of Development, 9(05), 15099–15115. https://doi.org/10.34117/bjdv9n5-043 

Carvalho-Junior, O. de O., Schmidt, A., Tosatti, M. A., Birolo, A. B., Bacci, E. B., Fernandes, M. J. P., & Junior, A. A. S. (2023). The coemergence of the neotropical otter in the constructed reality of UHE Caconde. Research, Society and Development, 12(5), Article 5. https://doi.org/10.33448/rsd-v12i5.41109 

Carvalho Junior, O. de O. (2023). Water Masses at the Surface of the Indian Ocean. European Journal of Environment and Earth Sciences, 4(2), Article 2. https://doi.org/10.24018/ejgeo.2023.4.2.389 

Carvalho Junior, O. de O., Birolo, A. B., & Sperb, R. M. (2023). Análise da categorização e ocupação humana da Lagoa do Peri, ilha de Santa Catarina, Brasil. Uma proposta de zoneamento. Brazilian Journal of Development, 9(3), 9280–9295. https://doi.org/10.34117/bjdv9n3-029

Birolo, A. B., Bacci, E. B., Leão, C. F., & Carvalho Junior, O. de O. (2022). Flag species as a tool in education and social mobilization for biodiversity conservation. IOSR Journal of Research & Method in Education, 12(6), 05–17. https://doi.org/10.9790/7388-1206050517

Carvalho Junior, O. de O. (2022). Presence of the Neotropical Otter in the Cubatão do Sul River, Santa Catarina, Brazil. 9(11). https://ijaers.com/detail/presence-of-the-neotropical-otter-in-the-cubat-o-do-sul-river-santa-catarina-brazil/ 

Carvalho-Junior, O. de O. (2022). Role of Ocean-Atmosphere Interface in Annual and Semiannual SST Cycles in the Indian Ocean. Earth Sciences Research Journal, 26(3), Article 3. https://doi.org/10.15446/esrj.v26n3.101477 

Birolo, A. B., & Carvalho Junior, O. de O. (2022). Agenda 2030 e a carta da terra como ferramenta para a educação ambiental e mobilização social: Agenda 2030 and the earth charter as a tool for environmental education and social mobilization. Brazilian Journal of Development, 8(11), Article 11. https://doi.org/10.34117/bjdv8n11-268

Carvalho-Junior, O. de O., Birolo, A. B., Tosatti, M. A., Esteves, P. dos S., Bacci, E., & Santos, G. de A. dos. (2022). The reality built in the reproduction of Lontra longicaudis in captivity: A realidade construída na reprodução de Lontra longicaudis em cativeiro. Brazilian Journal of Animal and Environmental Research, 5(3), Article 3. https://doi.org/10.34188/bjaerv5n3-064 

Carvalho Junior, O., Birolo, A., Sabbagh, A., & Schmidt, A. (2022). Giant Otters (Pteronura brasiliensis) at the Aquidauana River. IUCN Otter Spec. Group Bull., 39(3), 147–157. https://www.iucnosgbull.org/Volume39/Junior_et_al_2022.html 

Carvalho-Junior, O. de O., Tosatti, M. A., Barbosa, P. M., Schmidt, A., Esteves, P. dos S., & Birolo, A. B. (2022). Neotropical otter population strengthening in the wild / Reforço populacional de lontra neotropical na natureza. Brazilian Journal of Animal and Environmental Research, 5(2), 2540–2552. https://doi.org/10.34188/bjaerv5n2-088

Carvalho-Junior, O. de O. (2022). Salinity in the Surface of the Indian Ocean. Marine Science, 10(1), 1–8. https://doi.org/10.5923/j.ms.20221001.01 

Carvalho Junior, O. (2022). Upwellings along the Coasts of Somalia and Arabia. London Journal Press, 22(1), 29–38. https://journalspress.com/LJRS_Volume22/Upwellings-along-the-Coasts-of-Somalia-and%20-Arabia.pdf

Carvalho Junior, O. de O., & Schmidt, A. D. (2022). A comparative study of neotropical otter shelters for three different environments. International Journal of Current Research, 14(3), 20959–20960. https://doi.org/10.24941/ijcr.43166.03.2022

Carvalho Junior, O. de O. (2022). Mastofauna em fragmentos florestais da Ilha de São Francisco do Sul, Santa Catarina, Brasil / Mastofauna in forest fragments of São Francisco do Sul Island, Santa Catarina, Brazil. Brazilian Journal of Animal and Environmental Research, 5(1), 1237–1254. https://doi.org/10.34188/bjaerv5n1-095

CARVALHO JUNIOR, O. DE O.; BIROLO, A. B. Behavior of neotropical otter, Lontra longicaudis (Olfers, 1818) (Carnivora, Mustelidae) in captivity / Comportamento da lontra neotropical, Lontra longicaudis (Olfers, 1818) (Carnivora, Mustelidae) em cativeiro. Brazilian Journal of Animal and Environmental Research, v. 5, n. 1, p. 637–648, 11 fev. 2022. 

CARVALHO JUNIOR, O. DE O. A importância do clima no desenvolvimento econômico sustentável / The importance of climate in sustainable economic development. BRAZILIAN APPLIED SCIENCE REVIEW, v. 6, n. 1, p. 257–280, 24 fev. 2022. 

CARVALHO-JUNIOR, O. Chlorophyll Distribution and Variability at the Surface of the Indian Ocean. Journal of Research in Environmental and Earth Sciences, v. 8, n. 3, p. 01–10, 2022. 

CARVALHO JUNIOR, O. DE O.; BIROLO, A. B. Sustentabilidade econômica e ambiental do agronegócio regional no sul do Brasil / Economic and environmental sustainability of regional agribusiness in southern Brazil. Brazilian Journal of Development, v. 8, n. 1, p. 5430–5447, 20 jan. 2022.

CARVALHO JUNIOR, Oldemar; BIROLO, Alesandra Bez. Evaluation of Giant and Neotropical Otter as environmental assets in Conservation Tourism based on emergy analysis. Journal of Sustainable Tourism and Entrepreneurship, v. 2, n. 4, p. 253–265, 2021. Disponível em: <https://goodwoodpub.com/index.php/JoSTE/article/view/814>. Acesso em: 16 mar. 2022.

CARVALHO JUNIOR, O. DE O.; DESAI, M. Conservation tourism as a strategy to promote the conservation of biodiversity among BRICS countries. Revista Brasileira de Ecoturismo, v. 14, n. 3, p. 351–367, 1 ago. 2021. 

Barbosa, P.M.L., Esteves, P.S., Santos, A.L. and Carvalho Junior, O. (2021). Vascularization of the Aortic Arch in Neotropical Otter (Lontra longicaudis, Olfers 1818). IUCN Otter Spec. Group Bull. 38 (3): 173 -182

Carvalho Junior, O., Barbosa, P.M.L. and Birolo, A.B. (2021). Status of Conservation of Lontra longicaudis (Olfers, 1818) (Carnivora: Mustelidae) on Santa Catarina Island. IUCN Otter Spec. Group Bull. 38 (4): 186 - 201

Carrasco, TS; Botta, S; Machado, R; Simõs-Lopes, SL; Carvalho-Junior, O; . Ott, PH; Colares, EP; Secchi, ER. 2019. Isotopic niche of the Neotropical otter, Lontra longicaudis (Carnivora, Mustelidae), in different coastal aquatic systems in southern Brazil. Hydrobiologia, https://doi.org/10.1007/s10750-019-3931-x. 

Carvalho Jr. O. & A. B. Birolo. 2019. Conservation Tourism for the Sustainability of Coastal Areas. Case Study: Otter Project. Revista Costas, 1(1): 87-106. doi: 10.26359/costas.0105.

Carvalho Junior, O.; Silva, Carolina; Pereira, W.; Fonseca, V.C.; Birolo, A.B. (2017) Environmental accounting of natural capital and ecosystem services for the Aquidauana River, Southern Pantanal, Brazil. Wulfenia, 24(9).

Carvalho Junior, O. (2016). Emery analysis of the Peri Lake system and the role of the neotropical otter. IJRRAS 29 (1): 31 - 54.

Verdin De Andrade, B, Sandri Avila, T, Carvalho-Junior, O and Ana Bricarello, P (2015). First Record of Amblyomma ovale (Koch, 1844) (Acari: Ixodidae) parasitizing Lontra longicaudis (Olfers, 1818) (Carnivora: Mustelidae) in Santa Catarina Island, Florianópolis, Sc, Brazil. IUCN Otter Spec. Group Bull. 32 (1): 33 - 39

Marmontel, M., Calvimontes U., J. and Carvalho Jr, O. (2015) Rediscovery of Pteronura brasiliensis in the Amanã Sustainable Development Reserve, Amazonas, Brazil. Latin American Journal of Aquatic Mammals 10(2): 147-151. http://dx.doi.org/10.5597/lajam00207

CARVALHO JUNIOR, O., L.C.P. Macedo-Soares, BIROLO, A. B., SNYDER, T. A Comparative Diet Analysis of the Neotropical Otter in Santa Catarina Island, Brazil. IUCN Otter Specialist Group Bulletin. , v.30, p.67 - 67, 2013. 

Rodrigues, L. A. R, Leuchtenberger, C., Kasper, C.B., Carvalho Junior, O. & Fonseca da Silva, V.C.. 2013. .Avaliação do risco de extinção da Lontra neotropical Lontra longicaudis (Olfers, 1818) no Brasil. Biodiversidade Brasileira, 3(1), 216-227.

CARVALHO JUNIOR, O., SPERB, R. A bacia catarinense do Rio Uruguai e o turismo de conservação como ferramenta ao desenvolvimento sustentável regional. Revista Brasileira de Ecoturismo. , v.5, p.67 - 86, 2012.

CARVALHO JUNIOR, O., FILLIPINI, A., SALVADOR, C. Distribution of Neotropical Otter, Lontra longicaudis (Olfers, 1818) (Mustelidae) in Coastal Islands Of Santa Catarina, Southern Brazil. IUCN Otter Specialist Group Bulletin. , v.29, p.95 - 108, 2012.

CARVALHO JUNIOR, O., Macedo-Soares, L.C.P., BIROLO, Alesandra Bez. Annual and Interannual Food Habits Variability of a Neotropical Otter (Lontra longicaudis) Population in Conceição Lagoon, South of Brazil. IUCN Otter Specialist Group Bulletin. , v.27, p.24 - 32, 2010.

CARVALHO JUNIOR, O., Birolo, A.B., Macedo-Soares, L.C.P. Ecological Aspects of Neotropical Otter (Lontra longicaudis) in Peri Lagoon, South Brazil. IUCN Otter Specialist Group Bulletin. , v.27, p.105 - 115, 2010.

IABRUDE, Alex Sneider, CARVALHO JUNIOR, O., BIROLO, Alesandra Bez. Descrição de tocas e análise da dieta alimentar de Lontra longicaudis na Praia da Lagoinha do Leste, Ilha de Santa Catarina, Brasil. Caminhos (Rio do Sul). , v.1, p.97 - 109, 2009.

CARVALHO JUNIOR, O., CAVALARI JUNIOR, S. W., BIROLO, Alesandra Bez Estruturas de apoio náutico. Uma análise preliminar voltada ao planejamento e gestão: Um estudo de caso. Biotemas (UFSC). , v.22, p.147 - 154, 2009.

CARVALHO JUNIOR, O. Sistema de Informação Geográfico (SIG) como ferramenta auxiliar para o planejamento e gestão do turismo na Bacia Hidrográfica do Rio Itajaí (Santa Catarina). Caderno Virtual de Turismo (UFRJ). , v.9, p.63 - 87, 2009.

CARVALHO JUNIOR, O. Application of remote sensing techniques to the determination of bathymetry in coastal lagoons. Revista de Estudos Ambientais (Cessou em 2007. Cont. ISSN 1983-1501 Revista de Estudos Ambientais (Online)). , v.10, p.40 - 48, 2008.

CARVALHO JUNIOR, O. Aplicação da técnica de analise harmonica na analise da variabilidade climática global. Caminhos (UFMG). , v.1, p.7 - 25, 2006. 

CARVALHO JUNIOR, O., BROERING, Viviane. Análise preliminar da aplicabilidade do ecoturismo no municipio de Alfredo Wagner, estado de Santa Catarina, Brasil. Caminhos (Rio do Sul). , v.1, p.213 - 240, 2004.

CARVALHO JUNIOR, O., BANEVICIUS, N M S, MAFRA, Evandro O. Distribution and characterization of environments used by otters in the coastal region of Santa Catarina state, Brasil. Journal of Coastal Research. , v.SI 39, p.1087 - 1089, 2004.

CARVALHO JUNIOR, O., SCHMIDT, A. D. Ecotourism as a tool for the conservation of endangered species in the coastal region of Santa Catarina, Brazil. Journal of Coastal Research. , v.SI 39, p.959 - 961, 2004.

FILAGRANA, Marcos, CARVALHO JUNIOR, O. Levantamento e caracterização das práticas sustentáveis dos índios Xokleng da  terra  indígena Ibirama -  La Klano. Caminhos (Rio do Sul). , v.1, p.195 - 212, 2004.

CARVALHO JUNIOR, O., BYE, J. The First Recorded Successful Cross-Backstairs Passage Swim. South Australian Geographical Journal. , v.95, p.70 - 74, 1996.

CARVALHO JUNIOR, O. Preliminary study of the dynamic processes in the north and south bay of Santa Catarina Island, Brazil, using Landsat satellite imagery. Coastal Zone Canada'94, Cooperation in the Coastal Zone: Conference Proceedings. , v.3, p.1020 - 1037, 1994.