Results 31 to 40 of about 34,146 (223)
Functional divergence drives the prevalence of low‐abundance species in bat assemblages
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecological communities are structured by a few common species, while most occur at low abundance. Understanding the drivers of this widespread pattern raises fundamental questions about community assembly rules and is important for applied ecology for identifying ...
Andrés F. Ramírez‐Mejía +3 more
wiley +1 more source
Neotropical IchthyologyOdontostilbe pulchra, previously considered species inquirenda in Cheirodontinae and doubtfully assigned from the río Orinoco basin, is redescribed with the rediscovery of two syntypes. Originally described to the Island of Trinidad, O.
Cristina M. Bührnheim +1 more
doaj +1 more source
A geography of illicit crops (coca leaf) and armed conflict in Colombia [PDF]
, 2004 Colombia is currently the world’s largest producer of coca leaf and the principal producer of opium poppies in the Americas; the plants are the basic raw materials used to produce cocaine and heroin.
Díaz, Ana María, Sánchez, Fabio
core
Journal of Fish Biology, EarlyView.Abstract Understanding complex migration patterns, including drivers of partial migration and habitat use, is challenging but essential for conservation, as it determines a species' adaptative capacity in the face of environmental change and anthropogenic threats.
Alexandre Peressin +6 more
wiley +1 more source
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
doaj +5 more sources
First record of Amatitlania nigrofasciata (Günther, 1867) (Cichliformes: Cichlidae) as introduced species in natural freshwaters of Colombia [PDF]
Check List, 2016 Amatitlania nigrofasciata is a small freshwater fish species native to Central America. Is a popular ornamental fish that has been traded and cultivated for the aquarium industry, introduced into temperate and tropical regions across the world.
Guido Herrera-R +2 more
doaj +3 more sources
Journal of Fish Biology, EarlyView.Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis +7 more
wiley +1 more source
Neotropical IchthyologyThe arowanas, fishes of Gondwanan origin, are represented in South America by the genus Osteoglossum. All species were initially reported as being exclusive to the Amazon region, with O. ferreirai restricted to the Negro River basin and O. bicirrhosum to
Maria Doris Escobar L. +4 more
doaj +1 more source
Cephalopod Resources of Venezuela [PDF]
, 1989 The cephalopod resources of Venezuela are reviewed, based on previous literature and observations from commercial catches. The history of the squid and octopus fishery in the major fishing grounds is presented along with information on the catches and ...
Arocha, Freddy
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Journal of Fish Biology, EarlyView.Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva +4 more
wiley +1 more source