Buscar
Mostrando ítems 1-10 de 241
Top-down and bottom-up regulation of planktonic communities in a warm temperate wetland
(Oxford University Press, 2010-02)
This field experimental study simultaneously analysed the effects of predation (top-down) and nutrients (bottom-up) on planktonic communities (phytoplankton, zooplankton, heterotrophic nanoflagellates and ciliates) in a ...
Mammal defaunation as surrogate of trophic cascades in a biodiversity hotspot
(2013-07-01)
Preserving large tracts of natural habitats is essential to maintain biodiversity. Nevertheless, even large areas may still suffer from less visible impacts such as loss of ecological processes. Because mapping ecological ...
Mammal defaunation as surrogate of trophic cascades in a biodiversity hotspot
(2013-07-01)
Preserving large tracts of natural habitats is essential to maintain biodiversity. Nevertheless, even large areas may still suffer from less visible impacts such as loss of ecological processes. Because mapping ecological ...
Cascading top-down effects on estuarine intertidal meiofaunal and algal assemblages
(Elsevier Science, 2013-06)
Interactions between organisms are important determinants of species distributions and abundances. Due to the high complexity of interactions between species in natural systems, the outcome of a given interaction can affect ...
The world’s southernmost cougars in Patagonia and the southern Andes
(University of Chicago Press, 2009)
Pumas of the far south are treated separately from those elsewhere in South America because conditions in the south differ markedly from those across most of the rest of the continent. In some ways, the story of these pumas ...
O papel da determinação descendente no julgamento moral ou regulação top-down das emoções moraisThe role of downward determination in moral judgment or top-down regulation of moral emotions
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Filosofia, 2019)
Local spatial distribution of stream macroalgae – does gastropod activity matters?
(2021-12-01)
The effects of gastropod Biomphalaria sp. on the benthic algae community (micro and macroalgae) were experimentally studied in an unshaded artificial stream. Using artificial substrates, two treatments were tested: with ...