Results 81 to 90 of about 14,765 (206)
Semina: Ciências Agrárias, 2001 The authors describe a case of acute intoxication by bracken fern ( Pteridium aquilinum) in a cattle herd raised in the city of Reserva, Parana State. A total of 25 animals died due to intoxication caused by the ingestion of large amounts of the toxic ...
Alexandre Amorim Monteiro +5 more
doaj +1 more source
Journal of Vegetation Science, Volume 37, Issue 1, January/February 2026.Shifting grazing regimes alter grasslands, however the relative roles of species turnover versus intraspecific variation (ITV) underpinning trait change are poorly understood. Using a 20‐year grazing experiment in the Scottish uplands,we found that grazing‐driven functional change in grass communities are primarily driven by ITV rather than species ...
Susan E. Eshelman +5 more
wiley +1 more source
Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 3., description of dollecting sites, the vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda [PDF]
, 1993 During the BRYOTROP-Expedition in 1991, 71 collecting sites could be visited. These are situated in the Kahuzi-Biega-National Park/Zaire, the Nyungwe Forest and the Virunga volcanoes/Rwanda.
Fischer, Eberhard
core
Pesquisa Veterinária Brasileira, 2009 Este experimento foi delineado para investigar os seguintes pontos em relação à intoxicação aguda por samambaia (Pteridium aquilinum) em bovinos: 1) a intensidade da trombocitopenia em diferentes momentos da intoxicação e sua relação com possíveis ...
Bruno L. Anjos +5 more
doaj +1 more source
HoehneaForam estudados os esporos de onze espécies de pteridófitas pertencentes à família Dennstaedtiaceae do Parque Estadual das Fontes do Ipiranga. A família está representada na área por cinco gêneros: Histiopteris, Hypolepis, Lindsaea, Pteridium e Saccoloma.
Luciano Mauricio Esteves +1 more
doaj +1 more source
Soil compaction and vegetation cover in a Scots pine stand at the Mediterranean rangelands [PDF]
, 2011 Right development of ROOT SYSTEMS is essential to ensure seedling survival in the initial stages of natural regeneration processes. Soil compaction determines this development both because of its influence on soil Tª & moisture dynamics and for its ...
Aroca Fernández, Mª José +3 more
core +1 more source
Pteridium aquilinum: o que sabemos e o que ainda falta saber
Bioscience Journal, 2010 A samambaia Pteridium aquilinum encontra-se amplamente distribuída no planeta, sendo considerada um problema ambiental, além de representar perigo para a saúde tanto de animais quanto da espécie humana.
Natália Satchiko Hojo-Souza +2 more
doaj
Vegetation and floristics of Warra National Park and Wattleridge, Northern Tablelands, NSW [PDF]
, 2013 The vegetation of Warra National Park (29° 29’S, 151° 56’E; 2041 ha in area) and Wattleridge (29°31’S, 151°54’E; 648 ha in area), located approximately 35 km southeast of Glen Innes and 5 km west of Mount Mitchell, within the Guyra and Severn Shires in ...
Hunter, John T.
core
Pesquisa Veterinária Brasileira, 2012 Com o objetivo de esclarecer a questão da sobrevida de bovinos afetados por Hematúria Enzoótica, quando transferidos para áreas livres de Pteridium arachnoideum, o estudo foi realizado em duas partes: a) aplicação de questionário versando sobre os ...
Alexandre Galvão +5 more
doaj +1 more source
Semina: Ciências Agrárias, 2005 Enzootic hematuria is a cronic disease of cows clinically characterized by intermittent hematuria that can be caused by bracken fern (Pteridium aquilinum) and the papilomatosis virus.
Itacir Eloi Sandini +6 more
doaj +1 more source