Results 41 to 50 of about 26,492 (206)
Seasonal dietary niche contraction in coexisting Neotropical frugivorous bats (Stenodermatinae)
Biotropica, Volume 52, Issue 4, Page 749-757, July 2020., 2020 Abstract Tropical dry forests are characterized by punctuated seasonal precipitation patterns that drive primary production and the availability of fruits, seeds, flowers, and insects throughout the year. In environments in which the quantity and quality of food resources varies seasonally, consumers should adjust their foraging behavior to maximize ...
Jeremy Ryan Shipley, Cornelia W. Twining
wiley +1 more source
Intersecciones en antropología, 2020 Se presentan los resultados obtenidos a partir del análisis de isótopos estables (δ13Ccol y δ15N) y de los microrrestos vegetales hallados en el cálculo dental de 43 individuos adultos (28 masculinos – 15 femeninos) y un individuo juvenil (masculino ...
Adana Melisa Tavarone +2 more
semanticscholar +1 more source
Intersecciones en antropología, 2020 Este trabajo aborda las estrategias de caza y pastoreo de camélidos llevadas a cabo por las sociedades agropastoriles que habitaron el oeste tinogasteño (Catamarca) entre los siglos IV a.C. y XVI d.C. a partir del análisis de isótopos estables.
Juan Pablo Miyano
semanticscholar +1 more source
Isótopos das águas brasileiras para o desenvolvimento
Revista Brasileira de História da CiênciaEste trabalho apresenta os itinerários de cientistas do Centro de Energia Nuclear na Agricultura (Cena) e suas pesquisas sobre as águas do Nordeste e da Amazônia entre 1960 e 1970 e, de forma mais ampla, apresenta a hidrologia isotópica transnacional ...
André Secchieri Bailão
semanticscholar +1 more source
Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]
, 2010 ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by
core
Revista Ambiente & Água, 2014 Os principais aspectos do comportamento dinâmico fluvial das cargas dissolvida e particulada de uma microbacia de drenagem reflorestada com eucaliptos em Angatuba (SP) foram avaliados durante dois eventos chuvosos de 28 e 25 mm, respectivamente antes e ...
Diego Vendramini +2 more
doaj +1 more source
Ecuador es Calidad, 2020 El objetivo del estudio fue evaluar la fertilización nitro genada en la producción de rosas, a través del uso del isótopo nitrógeno 15 como trazador.
Emilio Basantes +4 more
doaj +1 more source
Isótopos Estables de Carbono y Nitrógeno y Cromatografía gaseosa en cerámica arqueológica del Nordeste de la Provincia de Chubut (Patagonia Argentina) [PDF]
, 2014 El registro arqueológico del nordeste de la provincia del Chubut (costa marina y valle inferior del río Chubut) señala que el área estuvo ocupada desde por lo menos siete mil años atrás por cazadores recolectores que explotaron la costa, el río y las ...
Constenla, Diana Teresita +2 more
core +2 more sources
, 2020 The results of the isotopic analyses performed on human remains from the Chalcolithic necropolis of Los Millares are presented in this paper. These are contextualized chronologically by a series of radiocarbon dates and, a review of the graves’ relative ...
Fernando Molina +9 more
semanticscholar +1 more source
Nuclear imaging with radiolabeled monoclonal antibodies: old applications with new aproaches
Nucleus, 2020 In the beginning, radionuclide-labeled monoclonal antibodies were widely employed for the study of various diseases, mainly oncological, by immunoscintigraphy. They were gradually replaced by molecules with better performance such as peptides and 18F-FDG.
Anaís Prats Capote +3 more
doaj