Results 41 to 50 of about 2,369 (175)
Patterns of Style, Diversity, and Similarity in Middle Orinoco Rock Art Assemblages
Arts, 2019 The area encompassed by the Orinoco river basin is home to some of the largest and most diverse rock art sites in lowland South America. In this paper, we aim to formally describe the spatial distribution and stylistic attributes of rock engravings and ...
Philip Riris, José Oliver
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Papers in Palaeontology, Volume 12, Issue 4, July/August 2026.Abstract Freshwater fishes from the northwestern Colombian Andes are reported from the Pliocene Sincelejo and Ware formations. A total of 10 taxa have been identified, involving two orders, five families and nine genera. Characters from dental morphology, fin spines and cranial bones are provided as taxonomic tools for the study of fossil fishes.
Gustavo A. Ballen +6 more
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Journal of Advances in Modeling Earth Systems, Volume 18, Issue 7, July 2026.Abstract Land use change driven by human activities has significant environmental consequences that can vary significantly at local scales. However, global coupled human‐Earth system models usually project land use changes at resolutions that are too coarse to provide insights at finer resolutions that are commensurate to climate models and assessing ...
Angelo Gurgel +7 more
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El salvaje y la retórica colonial en El Orinoco ilustrado (1741) de José Gumilla S. J.
Fronteras de la Historia, 2006 Este artículo constituye una aproximación hermenéutica a la obra El Orinoco ilustrado, escrita por el jesuita José Gumilla y publicada por primera vez en 1741.
Carlos del Cairo, Esteban Rozo Pabón
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Journal of Biogeography, Volume 53, Issue 7, July 2026.ABSTRACT Aim South American endemic ants play a central role in terrestrial ecosystems but remain poorly integrated into continent‐scale conservation assessments. Their distributions and community composition have likely been shaped by past climatic dynamics and persistent refugia.
Facundo Alvarez +6 more
wiley +1 more source
, 2004 Published as part of Jonathan W. Armbruster, 2004, Pseudancistrus sidereus, a new species from southern Venezuela (Siluriformes: Loricariidae) with a redescription of Pseudancistrus., pp.
openaire +2 more sources
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 6, June 2026.ABSTRACT The family Narcinidae has a cosmopolitan distribution; however, its systematic composition and phylogenetic position within Torpediniformes remain poorly understood. This study evaluates the evolutionary and biogeographic history of the family Narcinidae and investigates its distribution patterns using molecular systematics.
Luis Fernando da Silva Rodrigues‐Filho +7 more
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Biota Colombiana, 2009 We compiled a preliminary list of insects for the Orinoco basin based on the Entomological Collection of the Alexander von Humboldt Institute (IAvH). Our review expanded the information for four orders of insects (Coleoptera, Dictyoptera, Hemiptera and ...
Irina T. Morales-Castaño +1 more
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Geological processes shaping freshwater biodiversity: a synthesis of global evidence
Biological Reviews, Volume 101, Issue 3, Page 1568-1581, June 2026.ABSTRACT Recent genomic data highlight the key roles of geological processes in shaping the diversification and biogeography of freshwater lineages. Specifically, physical processes such as tectonic uplift, erosion, glaciation, lake formation, and sea‐level fluctuation contribute extensively to the evolution of biotic diversity within and among ...
Jonathan M. Waters +3 more
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Nitrogen management challenges in major watersheds of South America
Environmental Research Letters, 2015 Urbanization and land use changes alter the nitrogen (N) cycle, with critical consequences for continental freshwater resources, coastal zones, and human health.
Mercedes M C Bustamante +7 more
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