Results 21 to 30 of about 1,034,857 (272)
The flowerpiercers interactions with a community of high Andean plants
Avian Research, 2021 Background Flowerpiercers (Diglossa) are traditionally considered as “parasites” of the pollination processes, as they can access the nectar without entering in contact with the reproductive structures of the plants.
Jairo Andrés Cuta-Pineda +2 more
doaj +1 more source
Revista Mexicana de Ciencias Forestales, 2019 El control biológico es uno de los métodos de manejo de plagas compatibles con el ambiente, ofrece beneficios a la economía de los agricultores, protección al ambiente y a la salud de los consumidores.
María de Lourdes Pacheco Hernández +2 more
semanticscholar +1 more source
Song divergence indicates an unclear relationship between the Neotropical and Nearctic Horned Larks
Avian Research, 2021 Background Some studies have indicated that the Horned Larks (Eremophila alpestris) should be considered as a species complex. Recently it split into four species or clades and seven subclades based on genetic, morphological, and biogeographic data ...
Jimmy Alexander Vargas-Puentes +2 more
doaj +1 more source
Selfies of imperial cormorants (Phalacrocorax atriceps): What is happening underwater? [PDF]
, 2015 During the last few years, the development of animal-borne still cameras and video recorders has enabled researchers to observe what a wild animal sees in the field.
Gómez Laich, Agustina Marta +3 more
core +2 more sources
Population biology of the sea star Anasterias minuta (Forcipulatida: Asteriidae) threatened by anthropogenic activities in rocky intertidal shores of San Matías Gulf, Patagonia, Argentina [PDF]
, 2017 In Patagonian coastal areas, intertidal benthic communities are exposed to extreme physical conditions. The interaction between harsh environment and anthropogenic pressure can generate changes in population biology of marine invertebrates, like density ...
Arribas, Lorena Pilar +3 more
core +1 more source
Revista Eletrônica Científica da UERGS, 2019 A resenha trata sobre as principais discussões existentes no livro organizado por Rebecca Neaera Abers, professora do Instituto de Ciência Política da Universidade de Brasília, e que tratam sobre a gestão de recursos hídricos no Brasil a partir de um ...
Hildelano Delanusse Theodoro
semanticscholar +1 more source
PLAGUICIDAS ORGANOCLORADOS EN ORGANISMOS COSTEROS Y MARINOS DE LOS LITORALES MEXICANOS: UNA REVISIÓN
Revista Internacional de Contaminación Ambiental, 2018 Se presentan las tendencias de los plaguicidas organoclorados (POC) en organismos costeros de Mexico, principalmente los estudiados en el Golfo de Mexico durante aproximadamente 20 anos.
Guadalupe Ponce-Vélez, A. V. Botello
semanticscholar +1 more source
Plasma Biochemistries and Morphometric Indices of Body Condition in Imperial Cormorant (Phalacrocorax atriceps) Chicks [PDF]
, 2017 Plasma biochemistries provide a complementary method for assessing physiological and nutritional status of free-ranging wild birds. Triglycerides, total protein and alkaline phosphatase were determined in 110 free-living Imperial Cormorant (Phalacrocorax
Gallo, Luciana +3 more
core +1 more source
Anales del Jardín Botánico de Madrid, 2011 Flow cytometry analysis has been widely applied in the determination of nuclear DNA content and ploidy level in many organisms. Despite being the most appropriate method for DNA content measurement, flow cytometry also presents some limitations. A fairly
Eduardo Cires +5 more
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Organismos autónomos constitucionales
Derecho Público Iberoamericano, 2023 El presente trabajo tiene por objetivo exponer y analizar algunas materias relativas a los organismos autónomos constitucionales. En concreto, se revisarán las principales definiciones elaboradas por la doctrina y la jurisprudencia constitucional con la finalidad de desentrañar el núcleo esencial de dicha autonomía, los fundamentos argüidos para ...
openaire +1 more source