Results 41 to 50 of about 266,937 (211)

Importantes características de chuva para a conservação do solo e da água no município de São Manuel (SP)

open access: yes, 2003
Mathematical models for soil erosion prediction are of unquestionable validity for planning the use of agricultural soils. The Universal Soil Loss Equation (USLE) is an example of such models and estimates the expected annual mean losses of soil in a ...
D. Moreti   +3 more
semanticscholar   +1 more source

DINÂMICA DE CARBONO DO SOLO EM UNIDADE DE CONSERVAÇÃO DO CERRADO BRASILEIRO SOB DIFERENTES FITOFISIONOMIAS

open access: yesRevista Gestão & Sustentabilidade Ambiental, 2018
O efeito estufa é um mecanismo natural de aquecimento da atmosfera responsável por manter a temperatura média do planeta em níveis adequados para a vida.
Tancio Gutier Ailan Costa   +6 more
semanticscholar   +1 more source

Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos   +3 more
wiley   +1 more source

II Curso sobre a biologia do solo na agricultura. [PDF]

open access: yes, 2011
Nitogênio. Fixação de nitrogênio atmosférico na simbiose Rhizobium- leguminosas. Nodulação das leguminosas. Fatores do solo. Fatores climáticos. Fixação de nitrogênio em gramíneas. Microrganismos do solo e aproveitamento de fósforo pelas plantas. O papel
ALMEIDA, D. L. de   +4 more
core   +1 more source

Deciphering the complex life cycle and partial migration of an ecological engineer and critical Neotropical fishery species, Prochilodus costatus

open access: yesJournal 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

Perdas de solo e água em períodos de anomalias climáticas: "El Niño" e "La Niña" no sul do Brasil

open access: yesRevista Brasileira de Ciência do Solo, 2002
O Sul do Brasil tem seu clima influenciado por anomalias climáticas denominadas "El Niño" e "La Niña". Durante o "El Niño", verifica-se precipitação pluvial em volume superior ao normal.
T. J. C. Amado   +2 more
doaj   +1 more source

Restoration age, distance from reference ecosystems, and host plant feeding guilds shape the diversity of frugivorous butterflies in ecological restoration areas in the Atlantic Forest

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction The fragmentation of the Atlantic Forest has caused severe biodiversity loss. In Paraná State, more than 96% of the original vegetation, predominantly semideciduous seasonal forest, has been degraded. Ecological restoration is a key strategy to reverse this scenario, aiming to recover environmental conditions equivalent to the ...
Julia Sebben   +4 more
wiley   +1 more source

Stochastic modeling: temperature forecast for the city of Pelotas/RS/Brazil = Modelagem estocástica: previsão das temperaturas para a localidade de Pelotas/RS/Brasil.

open access: yesAgro@mbiente On-line, 2014
- The knowledge of temperature from the agronomic viewpoint is important for the growth and development of plants as well as for agricultural production.
Rita de Cássia Fraga Damé   +4 more
doaj  

Stable Isotope Analysis (δ13C and δ15N) of Baleen Plates Reveals Feeding Patterns in Stranded Humpback Whales (Megaptera novaeangliae) Along the Brazilian Coast

open access: yesMarine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT Humpback whales (Megaptera novaeangliae) from breeding stock A migrate annually between Antarctic feeding grounds (~65° S) and Brazilian breeding areas (~17° S). Traditionally considered to fast during migration, recent feeding observations and increased strandings along southeastern Brazil (~23° S) raise questions about possible shifts in ...
Daniel Fonseca Zappa   +8 more
wiley   +1 more source

Informações técnicas para a cultura de trigo na região do Brasil Central: safras 2005 e 2006. [PDF]

open access: yes, 2011
Planejamento da lavoura; Região tritícola do Brasil Central; Cultivares; Qualidade industrial; Época de semeadura; Práticas culturais; Manejo e conservação de solo; Calagem e adubação; Irrigação; Doenças; Controle de pragas.bitstream/CNPAF/22998/1 ...
REUNIÃO DA COMISSÃO CENTRO BRASILEIRA DE PESQUISA DE TRIGO, 13., 2004, Goiânia.
core  

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