Results 11 to 20 of about 80,440 (223)
Osmoxylon-like fossils from early Eocene South America: West Gondwana-Malesia connections in Araliaceae. [PDF]
Abstract Premise Araliaceae comprise a moderately diverse, predominantly tropical angiosperm family with a limited fossil record. Gondwanan history of Araliaceae is hypothesized in the literature, but no fossils have previously been reported from the former supercontinent.
Wilf P.
europepmc +2 more sources
The taxonomic status of Farlowella colombiensis Retzer & Page 1997 with comments on species of the F. acus species group (Loricariidae: Loricariinae). [PDF]
Abstract The genus Farlowella has been historically challenging, in part due to the difficulty in defining diagnostic characters for defining and identifying the species. Farlowella colombiensis is one such example, whose diagnostic characters are based on caudal‐fin colour pattern, ventral pattern of body cover and anatomical details of the head, such
Melo-Ortiz OE +4 more
europepmc +2 more sources
In Puerto Rico, a tropical archipelago in a region characterized by complex socio‐economic and environmental change, ecological knowledge of the local insect fauna is scarce. Greater emphasis on ecological monitoring of model insect groups like Lepidoptera could provide insight into the effects of global change on tropical biodiversity and contribute ...
Caitlin N. Terry +3 more
wiley +1 more source
The nestlings of many Neotropical bird species suffer from Philornis (Diptera: Muscidae) ectoparasitism. Although nestlings are typically considered the intended targets, recent work indicates that Philornis infest adult birds more frequently than previously appreciated, yet few studies have concurrently surveyed nestlings and adults for Philornis in ...
Joshua B. LaPergola
wiley +1 more source
The Art of Assemblage at La Venta
How might the meaning of monumental sculpture be ephemeral? At La Venta, objects from greenstone figurines to massive basalt sculptures were recycled, reworked, and moved around the landscape, their new configurations and associations creating new kinds of meaning and enabling new kinds of ritual interaction.
Claudia Brittenham
wiley +1 more source
Abstract Human activities are an increasing threat to Neotropical freshwater ecosystems, with the potential extinction of thousands of aquatic species. Despite this, knowledge about the effectiveness of protected area networks in protecting aquatic insects in this biogeographical region is very limited.
Yoandri S. Megna +2 more
wiley +1 more source
Mycorrhizal science outreach: Scope of action and available resources in the face of global change
Mycorrhizal associations are acknowledged as key components of global ecosystem functioning. This is especially relevant in the context of global change, since they contribute to the amelioration of adverse soil conditions and play crucial roles in agriculture.
Patricia Silva‐Flores +14 more
wiley +1 more source
Macraucheniidae y Proterotheriidae (Mammalia, Litopterna) de Quebrada Fiera (Oligoceno tardío), Mendoza, Argentina [PDF]
In this contribution we present new specimens of Litopterna recovered during the last decade in Quebrada Fiera (Mendoza Province, Argentina), whose fossiliferous sediments, currently recognized as the base of Agua de la Piedra Formation, are assignable ...
Cerdeño Serrano, Maria Esperanza +2 more
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Leones de piedra romanos de Las Cabezas de San Juan (Sevilla): a propósito de un nuevo ejemplar identificado [PDF]
Se estudian esculturas romanas de leones de piedra de época republicana procedentes de Las Cabezas de San Juan y de Lebrija (Sevilla), a propósito de la identificación de un nuevo ejemplar conservado en el Museo Arqueológico de Osuna y en el marco de la ...
Beltrán Fortes, José
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Detalles de los libros de notas de Niels Fock y sus hallazgos
En 1958 el antropólogo Niels Fock del Museo Nacional de Dinamarca, emprendió una travesía por la zona chaqueña argentina, entre las provincias de Salta, Chaco y Formosa, donde hizo un estudio de las comarcas indígenas de los matacos.
Svend Aage Buus
doaj +1 more source

