RESEARCHER PROFILE
Hernán Ortega
← Back to National University of San Marcos
H
National University of San Marcos
Hernán Ortega works in Fish biology, ecology, and behavior, Fish Biology and Ecology Studies, Fish Ecology and Management Studies, Ichthyology and Marine Biology, Scarabaeidae Beetle Taxonomy and Biogeography. Recorded institutional associations include National University of San Marcos, Museo de Historia Natural.
202Publications
2,020Citations
20H-index
Inclusion identifies researchers whose recorded research contributions may inform their university’s understanding of its research community. It does not rank individual research quality or establish current employment.
Selected research works
Up to 100 highly cited works; DOI links open the original research. Counts reflect the collected record, not real-time citation totals.
Fragmentation of Andes-to-Amazon connectivity by hydropower dams
2018 · 363 citationsUnexpected fish diversity gradients in the Amazon basin
2019 · 208 citationsA database of freshwater fish species of the Amazon Basin
2020 · 180 citationsAnnotated checklist of the freshwater fishes of Peru
1986 · 103 citationsThe combined effects of climate change and river fragmentation on the distribution of Andean Amazon fishes
2020 · 99 citationsFreshwater fish diversity hotspots for conservation priorities in the Amazon Basin
2020 · 98 citationsLateral migration of fish between an oxbow lake and an Amazonian headwater river
2011 · 89 citationsRevealing Hidden Diversity of the Underestimated Neotropical Ichthyofauna: DNA Barcoding in the Recently Described Genus Megaleporinus (Characiformes: Anostomidae)
2017 · 73 citationsEffects of the freshwater aquarium trade on wild fish populations in differentially‐fished areas of the Peruvian Amazon
2006 · 64 citationsAquatic Biodiversity in the Amazon: Habitat Specialization and Geographic Isolation Promote Species Richness
2011 · 61 citationsOpinion Paper: how vulnerable are Amazonian freshwater fishes to ongoing climate change?
2015 · 61 citationsElectrical signalling of dominance in a wild population of electric fish
2010 · 48 citationsAssessing conservation priorities of endemic freshwater fishes in the Tropical Andes region
2018 · 42 citationsThe Introduction of Nonnative Fishes into Freshwater Systems of Peru
2007 · 37 citationsFreshwater fishes and aquatic habitats in Peru: Current knowledge and conservation
2008 · 35 citationsFishes of three bolivian rivers: diversity, distribution and conservation
2010 · 28 citationsThe representativeness of protected areas for Amazonian fish diversity under climate change
2021 · 23 citationsIntergeneric phylogenetic relationships in catfishes of the Loricariinae (Siluriformes: Loricariidae), with the description of Fonchiiloricaria nanodon: a new genus and species from Peru
2011 · 22 citationsFloodplain forests drive fruit-eating fish diversity at the Amazon Basin-scale
2025 · 21 citationsEvaluating the influence of environmental variables on fish assemblages along Tropical Andes: considerations from ecology to conservation
2021 · 20 citationsThe catfishes of the neotropical family Helogenidae (Ostariophysi:Siluroidei)
1986 · 19 citationsChecklist of freshwater fishes from Loreto, Peru
2021 · 19 citationsTrichogenes longipinnis, novo gênero e espécie de Trichomycterinae do sudeste do Brasil (Pisces, Siluriformes)
1982 · 18 citationsLista anotada de los peces de aguas continentales del Perú: Estado actual del conocimiento, distribución, usos y aspectos de conservación
2010 · 18 citationsA new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the río Ucayali drainage, Sierra del Divisor, Peru
2007 · 16 citations