Background
2008-11 - Post-Doctoral Fellow, University of British Columbia, Canada
2007-08 - Lecturer (Zoology), Centro Regional Universitário de Espírito Santo do Pinhal, Brazil
2004-07 - Ph.D. in Ecology, Universidade Estadual de Campinas, Brazil
2005-05 - Visiting Scholar, University of California at San Diego, USA
2002-04 - M.Sc. in Ecology, Universidade Estadual de Campinas, Brazil
1998-01 - B.Sc. in Biology, Universidade Estadual de Campinas, Brazil
Research
I am generally interested in migration and movement ecology of fishes and how biotic and abiotic factors influence their survival and reproduction. Past research covered a broad variety of taxa and topics. Currently, I am working in the HydroNet Project under supervision of Dr. Steven Cooke and Dr. Michael Power (University of Waterloo). My research will focus on modelling the entrainment risk of fish (bull trout and burbot) in hydropower reservoirs. More specifically, we will use a telemetry system based on cellphone CDMA technology to study the fine-scale movement of acoustically tagged adult bull trout and burbot in the forebay of the Mica Dam (Kinbasket Reservoir, BC). The fine-scale movement data of these fish will be integrated with modeled intake-induced flow data to investigate how bull trout and burbot behave in relation to the flow field and determine the biotic and abiotic factors associated with entrainment under different turbine operations. The outcomes of this study will help develop operational guidelines to reduce entrainment risk of adult bull trout and burbot in hydropower reservoirs.
Publications
Pires, M. M., Martins, E. G., Araújo, M. S. and dos Reis, S. F. Between-individual variation drives the seasonal dynamics in the trophic niche of a Neotropical marsupial. Austral Ecology, in press
Rodrigues-Motta, M., Pinheiro, H. P., Martins, E. G., Araújo, M. S. and dos Reis, S. F. Multivariate models for correlated count data. Journal of Applied Statistics, accepted pending minor revision.
Nguyen, V.M., E.G. Martins, D. Robichaud, G.D. Raby, M.R. Donaldson, A.G. Lotto, W.G. Willmore, D.A. Patterson, A.P. Farrell, S.G. Hinch, and S.J. Cooke. Disentangling the roles of air exposure, gillnet injury, and facilitated recovery on the post-capture and release mortality and behavior of adult migratory sockeye salmon (Oncorhynchus nerka) in freshwater. Physiological and Biochemical Zoology, in press. (focused issue on conservation physiology)
Requena, G. S., Buzatto, B. A., Martins, E. G. & Machado, G. 2012. Living hungry but long: paternal care decreases foraging activity but increases caring-male survival in a Neotropical arachnid. PLoS ONE 7, e46701.
Martins, E. G., Hinch, S. G., Cooke, S. J. & Patterson, D. A. 2012. Climate effects on growth, phenology, and survival of sockeye salmon (Oncorhynchus nerka): a synthesis of the current state of knowledge and future research directions. Reviews in Fish Biology and Fisheries, 22, 887-914
Johnson, J. E., Patterson, D. A., Martins, E. G., Cooke, S. J. & Hinch S. G. 2012. Quantitative methods for analyzing cumulative effects on fish migration success: a review. Journal of Fish Biology, 81, 600-631.
Martins, E. G., Hinch, S. G., Patterson, D. A., Hague, M. J., Cooke, S. J., Miller, K. M., Robichaud, D., English, K. K. & Farrell, A. P. 2012. High river temperature reduces survival of sockeye salmon (Oncorhynchus nerka) approaching spawning grounds and exacerbates female mortality. Canadian Journal of Fisheries and Aquatic Sciences, 69, 330-342.
Drenner, S. M., Clark, T. D., Whitney, C. K., Martins, E. G., Cooke, S. J. & Hinch, S. G. 2012. A synthesis of tagging studies examining the behaviour and survival of anadromous salmonids in marine environments. PLoS ONE, 7, e31311.
Jeffries, K. M., Hinch, S. G., Martins, E. G., Clark, T. D., Lotto, A. G., Patterson, D. A., Cooke, S. J., Farrell, A. P. & Miller, K. M. 2012. Sex and proximity to reproductive maturity influence survival, final maturation, and blood physiology of Pacific salmon when exposed to high temperature during a simulated migration. Physiological and Biochemical Zoology, 85, 62-73.
Hinch, S. G. & Martins, E. G. 2011. A review of potential climate change effects on survival of Fraser River sockeye salmon and an analysis of interannual trends in en route loss and pre-spawn mortality. Cohen Commission Technical Reports, 9, 134pp.Vancouver, B.C. www.cohencommission.ca
Martins, E. G., Hinch, S. G., Patterson, D. A., Hague, M. J., Cooke, S. J., Miller, K. M., Lapointe, M. F., English, K. K. & Farrel, A. P. 2011. Effects of river temperature and climate warming on stock-specific survival of adult migrating Fraser River sockeye salmon (Oncorhynchus nerka). Global Change Biology, 17, 99-114.
Pires, M. M., Martins, E. G., Cruz, L. D., Fernandes, F. R., Clemente-Carvalho, R. B. G., Silva, M. N. F. & dos Reis, S. F. (2010) Young didelphid consumption by Micoureus paraguayanus (Didelphimorphia: Didelphidae) in southeastern Brazil. Mastozoología Neotropical, 17, 183-187.
Pires, M. M., Martins, E. G., Silva, M. N. F. & dos Reis, S. F. 2010. Gracilinanus microtarsus. Mammalian Species, 851, 33-40.
Araújo, M. S., Martins, E. G., Cruz, L. D., Fernandes, F. R., Linhares, A. X., dos Reis, S. F. & Guimarães Jr., P. R. 2010. Nested diets: a novel pattern of individual-level resource use. Oikos, 119, 81-88.
Fernandes, F. R., Cruz, L. D., Martins, E. G. & dos Reis, S. F. 2010. Growth and home range size of the gracile mouse opossum Gracilinanus microtarsus (Marsupialia: Didelphidae) in Brazilian cerrado. Journal of Tropical Ecology, 26, 185-192.
Martins, E. G., Araújo, M. S., Bonato, V. & dos Reis, S. F. 2008. Sex and season affect individual-level diet variation in the Neotropical marsupial Gracilinanus microtarsus (Didelphidae). Biotropica, 40, 132-135.
Da-Silva, C. Q., Gomes, A. E., Martins, E. G., Bonato, V. & dos Reis, S. F. 2008. A Bayesian change-point model for describing partial semelparity of a Neotropical didelphid marsupial. Revista Brasileira de Biometria, 26, 31-44.
Bonato, V, Martins, E. G., Machado, G., da-Silva, C. Q., & dos Reis, S. F. 2008. Ecology of the armadillos Cabassous unicinctus and Euphractus sexcinctus (Cingulata: Dasypodidae) in a Brazilian cerrado. Journal of Mammalogy, 89, 168-174.
Osses, F., Martins, E. G., & Machado, G. 2008. Oviposition site selection by the bromeliad-dweller harvestman Bourguyia hamata (Arachnida: Opiliones). Journal of Ethology, 26, 233-241.
Silva, C. Q., Martins, E. G., Bonato V. & dos Reis, S. F. 2008. Bayesian capture-recapture analysis: an application in modeling semelparity of a Neotropical didelphid marsupial. Communications in Statistics-Simulation and Computation, 37, 816-828.
Clemente-Carvalho, R. B., Monteiro, L. R., Bonato, V., Rocha, H. S., Pereira G. R., Oliveira, D. F., Lopes, R. T., C. F. B. Haddad, Martins, E. G. & dos Reis, S. F. 2008. Geographic variation in cranial shape in the pumpkin toadlet (Brachycephalus ephippium): a geometric analysis. Journal of Herpetology, 42, 176-185.
Buzatto, B. A., Requena, G. S., Martins, E. G. & Machado, G. 2007. Effects of maternal care on the lifetime reproductive success of females in a Neotropical harvestman. Journal of Animal Ecology, 76, 937-945.
Osses, F., Martins, E. G. & Romero, G. Q. 2007. Association of the stilt bug Jalysus ossesae (Heteroptera: Berytidae) with myrmecophytic plants of the genus Maieta (Melastomataceae) in an upland forest area in central Amazon, Brazil. Proceedings of the Entomological Society of Washington, 109, 331-337.
Martins, E. G., Bonato, V., da-Silva, C. Q. & dos Reis, S. F. 2006. Partial semelparity in the Neotropical didelphid marsupial Gracilinanus microtarsus. Journal of Mammalogy, 87, 915-920.
Martins, E. G., Bonato, V., da-Silva, C. Q. & dos Reis, S. F. 2006. Seasonality in reproduction, age structure and density of the gracile mouse opossum Gracilinanus microtarsus (Marsupialia: Didelphidae) in a Brazilian cerrado. Journal of Tropical Ecology, 22, 461-468.
Martins, E. G., Bonato, V., Pinheiro, A. & dos Reis, S. F. 2006. Variation in the food-niche width of Gracilinanus microtarsus (Didelphimorphia: Didelphidae) in a cerrado remnant in south-eastern Brazil. Mammalian Biology, 71, 304-308.
Martins, E. G., Bonato, V., Pinheiro, H. P. & dos Reis, S. F. 2006. Diet of the gracile mouse opossum (Gracilinanus microtarsus) (Didelphimorphia: Didelphidae) in a Brazilian cerrado: patterns of food consumption and intrapopulation variation. Journal of Zoology (London),269, 21-28.
Martins, E. G. & Bonato, V. 2004. On the diet of Gracilinanus microtarsus (Marsupialia, Didelphidae) in an Atlantic Rainforest fragment in southeastern Brazil. Mammalian Biology, 69, 58-60.
Martins, E. G., Bonato, V., Machado, G., Rocha, L. S. & Pinto-da-Rocha, R. 2004. Description and ecology of a new sun spider (Arachnida: Solifugae) from the Brazilian cerrado. Journal of Natural History,38, 2361-2375.
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