Results 111 to 120 of about 50,085 (225)
APLICAÇÃO DE GOAL PROGRAMMING EM UM PROBLEMA FLORESTAL [PDF]
Ciência Florestal, 2002 Este trabalho tem por objetivo aplicar uma das técnicas de programação multiobjetivo (goal programming) em um problema florestal brasileiro mediante de um estudo de caso realizado na Fazenda Santa Cândida, em General Carneiro, Paraná.
Fabiane de Oliveira +2 more
doaj
A checklist of the bryophytes of Distrito Federal (Brasília, Brazil) [PDF]
, 2005 The Distrito Federal, one of the most important centers of plant endemism in central Brazil, is located in the center of Brazil, with an area of 5,814 km2 at coordinates 15o30’ S, 16o03’W. Cerrado vegetation covers the region.
Câmara, Paulo Eduardo Aguiar Saraiva +2 more
core
Journal of Fish Biology, EarlyView.Abstract Genomic resources, new microsatellite markers and a novel observation of a fractal pattern in the genetic population structure are presented for curimba, Prochilodus lineatus, a freshwater migratory model species of South America. Our main goals were to investigate the presence of mixed fish stocks and the effects of damming‐induced ...
Gabriel M. Yazbeck +5 more
wiley +1 more source
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
Amazonian drought of 2023: Environmental conditions relevant to fishes
Journal of Fish Biology, EarlyView.Abstract This paper provides a platform for the following studies within this Special Issue. ‘Ecophysiology of fishes in the two great tributaries of the Amazon in the Anthropocene’. It documents the water quality conditions and accompanying zooplankton community structure and biomass relative to fish health in the Rio Negro and Rio Solimões during the
Ora E. Johannsson +10 more
wiley +1 more source
Trepadeiras: florística da Estação Ecológica do Caiuá e chave de identificação vegetativa para espécies do Norte do Estado do Paraná=Climbers: flora of the Caiuá Ecological Station and an identification key for the vegetative species of Northern Paraná State [PDF]
Acta Scientiarum: Biological Sciences, 2012 As trepadeiras são plantas com alta representatividade nas florestas tropicais e de grande importância ecológica, apontadas como um dos fatores básicos que diferencia florestas tropicais de temperadas.
Ana Odete Santos Vieira +1 more
doaj
Journal of Fish Biology, EarlyView.Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda +6 more
wiley +1 more source
Acaciapollenites acaciae sp. nov., una nueva políade de mimosoidea del neógeno, en la Cuenca del Colorado, Argentina [PDF]
, 2006 Fossil mimosoid polyads have been recently recovered from Neogene deposits in the Colorado Basin, Argentina, and the new species Acaciapollenites acaciae sp. nov.
Caccavari, Marta Alicia +1 more
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Journal of Fish Biology, EarlyView.Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
Lucas S. de Medeiros +6 more
wiley +1 more source